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Zscaler, Inc
(NASDAQ:ZS) 

ZS stock logo

Zscaler, Inc. operates as a cloud security company worldwide. The company provides Zscaler Internet Access solution that provides users, servers, operational technology, internet of things, and device secure access to externally managed applications, including software-as-a-service (SaaS) applicatio...

Founded: 2008
IPO Price: $27.5 (Mar 16, 2018)
Full Time Employees: 5,962 (Jul 2023)
CEO: Jay Chaudhry  
Sector: Technology
Industry: Software-Infrastructure
Information TechnologyCybersecuritySaaS
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At a glance:
  • Cloud Security Demand Tailwinds Continue: Zscaler is positioned to benefit from secular growth in cloud adoption, zero trust networking, and enterprise security modernization as organizations shift away from legacy perimeter-based tools.
  • Platform Expansion and Upsell Opportunities: The company’s broader platform approach (e.g., ZIA/ZPA and adjacent offerings) supports cross-sell and upsell within existing accounts, potentially increasing customer lifetime value and net retention.
  • Profitability and Cash Flow Discipline in Focus: Investors often monitor Zscaler’s progress on operating leverage, margin expansion, and free cash flow generation as it balances growth investments with efficiency initiatives.
  • Competitive Landscape Remains Intense: Zscaler competes with large diversified security vendors and other cloud-native players; execution on innovation, performance, and go-to-market is critical to defend share and pricing.
  • Key Watch Items: Large Deals, Federal/Enterprise Cycles, and Guidance: Near-term sentiment can be influenced by sales cycle duration, large contract timing, billings/remaining performance obligations trends, and management guidance updates.
Bull Thesis:
  • Market Leadership in Zero Trust and SASE: Zscaler is a recognized leader in the rapidly expanding Zero Trust Network Access (ZTNA) and Secure Access Service Edge (SASE) markets. The company is well-positioned to capitalize on the ongoing enterprise shift to cloud-first architectures and hybrid work models, which necessitate modern security solutions.
  • Cloud-Native Architecture Advantage: Unlike many legacy security vendors, Zscaler's platform was built from the ground up for the cloud. This cloud-native architecture offers superior scalability, performance, and security efficacy, providing a significant competitive advantage for large enterprises seeking to consolidate and modernize their security stack.
  • Expanding Product Portfolio and Total Addressable Market (TAM): Zscaler continues to innovate and expand its offerings beyond its core ZIA (Internet Access) and ZPA (Private Access) services. New products like ZDX (Digital Experience), Zscaler for Workloads, and IoT/OT security significantly increase its cross-selling opportunities and total addressable market, driving future growth.
  • Strong Recurring Revenue and High Customer Retention: The company's subscription-based business model ensures predictable and recurring revenue streams. Zscaler consistently reports high gross retention rates, indicating strong customer satisfaction and the sticky nature of its platform, which is critical for long-term revenue stability.
Bear Thesis:
  • Intense Competition and Potential Pricing Pressure: Zscaler operates in a highly competitive cybersecurity market. It faces strong competition from established network security vendors (e.g., Palo Alto Networks, Fortinet, Cisco) and emerging SASE pure-plays (e.g., Netskope, Cato Networks), which could lead to pricing pressure and impact market share.
  • High Valuation and Path to Sustainable GAAP Profitability: Despite recent market adjustments, Zscaler's valuation remains a point of concern for some investors, especially when considering the company's often negative GAAP net income. The long path to sustainable GAAP profitability, driven by high R&D and sales & marketing expenses, is under scrutiny.
  • Significant Stock-Based Compensation (SBC) and Share Dilution: High levels of stock-based compensation are a notable expense for Zscaler, impacting GAAP earnings and leading to ongoing share dilution. This can be a concern for long-term shareholder value, as it dilutes ownership for existing investors.
  • Macroeconomic Headwinds and Enterprise Spending Slowdown: A challenging macroeconomic environment, characterized by inflation and rising interest rates, could lead to tighter IT budgets and longer sales cycles for large enterprise deals. This could potentially impact Zscaler's revenue growth trajectory and ability to close new business.
Main Competitors:
  • Palo Alto Networks ($PANW) (Prisma Access, Prisma Cloud), Palo Alto Networks competes with its comprehensive SASE platform, Prisma Access, which directly rivals Zscaler's ZIA and ZPA by offering secure web gateway, firewall-as-a-service, and ZTNA capabilities from the cloud. They also compete in cloud workload protection with Prisma Cloud.
  • Fortinet ($FTNT) (FortiSASE, FortiGate, FortiClient), Fortinet competes with its FortiSASE offering, which integrates secure web gateway, firewall-as-a-service, and ZTNA, aiming to provide a unified cloud-delivered security solution similar to Zscaler's. They leverage their strong on-premise firewall base to extend into cloud security.
  • Netskope (Netskope Security Cloud), Netskope is a direct competitor, offering a comprehensive Security Service Edge (SSE) platform that includes secure web gateway, CASB, DLP, and ZTNA. They challenge Zscaler's ZIA and ZPA offerings with a similar cloud-native architecture and focus on data protection and threat prevention.
  • Cisco Systems ($CSCO) (Cisco Secure Access, Umbrella, Duo), Cisco competes with its Cisco Secure Access SASE platform, which integrates secure web gateway (via Umbrella), firewall, and ZTNA (via Duo and other components). Cisco leverages its vast enterprise customer base and networking expertise to offer integrated security solutions that challenge Zscaler's cloud-native approach.
Moat:
Zscaler operates in a highly competitive and rapidly evolving cloud security market, primarily focused on Security Service Edge (SSE) and Zero Trust Network Access (ZTNA). Its main competitive advantages (moat) include its truly cloud-native architecture, a globally distributed network of security enforcement points (Zero Trust Exchange), and a patented proxy-based inspection engine that allows for full SSL/TLS decryption at scale without performance degradation. Competitors range from traditional network security giants like Palo Alto Networks, Fortinet, and Cisco, who are adapting their offerings to SASE, to pure-play cloud security vendors like Netskope. The key battlegrounds are the breadth and depth of security services, performance, ease of integration, and the ability to deliver a unified, cloud-delivered security platform that replaces legacy perimeter-based security.
Income Statements:
Quarterly
Annual
    Unit: USD2026-01-31 2025-10-31 2025-07-31 2025-04-30 2025-01-31 2024-10-31 2024-07-31 2024-04-30 2024-01-31 2023-10-31 2023-07-31 2023-04-30 2023-01-31 2022-10-31 2022-07-31 2022-04-30 2022-01-31 2021-10-31 2021-07-31 2021-04-30 2021-01-31 2020-10-31 2020-07-31 2020-04-30 2020-01-31 2019-10-31 2019-07-31 2019-04-30 2019-01-31 2018-10-31 2018-07-31 2018-04-30 
                                    
      revenue
    		815,751,000 788,112,000 719,226,000 678,034,000 647,900,000 627,955,000 592,868,000 553,201,000 524,999,000 496,703,000 455,006,000 418,800,000 387,598,000 355,548,000 318,059,000 286,807,000 255,563,000 230,517,000 197,074,000 176,404,000 157,044,000 142,578,000 125,887,000 110,524,000 101,268,000 93,590,000 86,108,000 79,128,000 74,302,000 63,298,000 56,174,000 49,163,000 
      yoy
    		25.91% 25.50% 21.31% 22.57% 23.41% 26.42% 30.30% 32.09% 35.45% 39.70% 43.06% 46.02% 51.66% 54.24% 61.39% 62.59% 62.73% 61.68% 56.55% 59.61% 55.08% 52.34% 46.20% 39.68% 36.29% 47.86% 53.29% 60.95%     
      qoq
    		3.51% 9.58% 6.08% 4.65% 3.18% 5.92% 7.17% 5.37% 5.70% 9.16% 8.65% 8.05% 9.01% 11.79% 10.90% 12.23% 10.87% 16.97% 11.72% 12.33% 10.15% 13.26% 13.90% 9.14% 8.20% 8.69% 8.82% 6.50% 17.38% 12.68% 14.26%  
      cost of revenue
    		191,260,000 184,753,000 172,240,000 155,978,000 148,498,000 141,462,000 130,205,000 118,331,000 117,199,000 111,394,000 102,682,000 95,849,000 87,604,000 76,697,000 68,308,000 64,022,000 57,783,000 52,169,000 45,478,000 38,977,000 34,135,000 31,727,000 31,358,000 24,579,000 20,238,000 19,558,000 17,339,000 14,960,000 15,271,000 12,099,000 11,501,000 9,424,000 
      gross profit
    		624,491,000 603,359,000 546,986,000 522,056,000 499,402,000 486,493,000 462,663,000 434,870,000 407,800,000 385,309,000 352,324,000 322,951,000 299,994,000 278,851,000 249,751,000 222,785,000 197,780,000 178,348,000 151,596,000 137,427,000 122,909,000 110,851,000 94,529,000 85,945,000 81,030,000 74,032,000 68,769,000 64,168,000 59,031,000 51,199,000 44,673,000 39,739,000 
      yoy
    		25.05% 24.02% 18.23% 20.05% 22.46% 26.26% 31.32% 34.66% 35.94% 38.18% 41.07% 44.96% 51.68% 56.35% 64.75% 62.11% 60.92% 60.89% 60.37% 59.90% 51.68% 49.73% 37.46% 33.94% 37.27% 44.60% 53.94% 61.47%     
      qoq
    		3.50% 10.31% 4.78% 4.54% 2.65% 5.15% 6.39% 6.64% 5.84% 9.36% 9.10% 7.65% 7.58% 11.65% 12.10% 12.64% 10.90% 17.65% 10.31% 11.81% 10.88% 17.27% 9.99% 6.07% 9.45% 7.65% 7.17% 8.70% 15.30% 14.61% 12.42%  
      gross margin %
    		76.55% 76.56% 76.05% 77.00% 77.08% 77.47% 78.04% 78.61% 77.68% 77.57% 77.43% 77.11% 77.40% 78.43% 78.52% 77.68% 77.39% 77.37% 76.92% 77.90% 78.26% 77.75% 75.09% 77.76% 80.02% 79.10% 79.86% 81.09% 79.45% 80.89% 79.53% 80.83% 
      operating expenses:
    		                                
      sales and marketing
    		368,946,000 373,562,000 330,594,000 314,605,000 307,872,000 306,087,000 294,200,000 262,447,000 276,481,000 267,111,000 252,810,000 236,273,000 235,945,000 228,836,000 214,228,000 192,132,000 175,073,000 153,786,000 136,385,000 115,730,000 110,403,000 96,889,000 89,222,000 67,727,000 61,621,000 59,411,000 49,317,000 45,295,000 38,756,000 36,545,000 32,479,000 29,892,000 
      research and development
    		229,137,000 200,498,000 177,606,000 169,765,000 170,860,000 154,254,000 139,150,000 124,958,000 122,181,000 113,539,000 96,387,000 92,637,000 85,765,000 74,946,000 78,150,000 76,578,000 69,195,000 65,216,000 56,180,000 40,952,000 41,751,000 35,770,000 32,785,000 24,117,000 20,706,000 20,271,000 17,213,000 16,499,000 15,071,000 13,186,000 11,480,000 9,907,000 
      general and administrative
    		78,181,000 65,661,000 71,028,000 63,097,000 60,810,000 56,819,000 56,263,000 50,478,000 54,595,000 50,716,000 46,380,000 43,486,000 43,522,000 44,156,000 39,902,000 40,672,000 37,444,000 33,717,000 26,428,000 24,595,000 24,653,000 20,859,000 17,409,000 14,615,000 28,983,000 12,625,000 10,170,000 15,911,000 10,386,000 10,131,000 8,638,000 8,964,000 
      total operating expenses
    		676,264,000 639,721,000 579,228,000 547,467,000 539,542,000 517,160,000 489,613,000 437,883,000 453,257,000 431,366,000 396,876,000 378,697,000 365,232,000 347,938,000 332,280,000 309,382,000 281,712,000 252,719,000 218,993,000 181,277,000 176,807,000 153,518,000 139,416,000 106,459,000 111,310,000 92,307,000 76,700,000 77,705,000 64,213,000 59,862,000 52,597,000 48,763,000 
      income from operations
    		-51,773,000 -36,362,000 -32,242,000 -25,411,000 -40,140,000 -30,667,000 -26,950,000 -3,013,000 -45,457,000 -46,057,000 -44,552,000 -55,746,000 -65,238,000 -69,087,000 -82,529,000 -86,597,000 -83,932,000 -74,371,000 -67,397,000 -43,850,000 -53,898,000 -42,667,000 -44,887,000 -20,514,000 -30,280,000 -18,275,000 -7,931,000 -13,537,000 -5,182,000 -8,663,000 -7,924,000 -9,024,000 
      yoy
    		28.98% 18.57% 19.64% 743.38% -11.70% -33.42% -39.51% -94.60% -30.32% -33.33% -46.02% -35.63% -22.27% -7.10% 22.45% 97.48% 55.72% 74.31% 50.15% 113.76% 78.00% 133.47% 465.97% 51.54% 484.33% 110.95% 0.09% 50.01%     
      qoq
    		42.38% 12.78% 26.88% -36.69% 30.89% 13.79% 794.46% -93.37% -1.30% 3.38% -20.08% -14.55% -5.57% -16.29% -4.70% 3.18% 12.86% 10.35% 53.70% -18.64% 26.32% -4.95% 118.81% -32.25% 65.69% 130.42% -41.41% 161.23% -40.18% 9.33% -12.19%  
      operating margin %
    		-6.35% -4.61% -4.48% -3.75% -6.20% -4.88% -4.55% -0.54% -8.66% -9.27% -9.79% -13.31% -16.83% -19.43% -25.95% -30.19% -32.84% -32.26% -34.20% -24.86% -34.32% -29.93% -35.66% -18.56% -29.90% -19.53% -9.21% -17.11% -6.97% -13.69% -14.11% -18.36% 
      interest income
    		33,893,000 33,154,000 33,175,000 31,263,000 30,878,000 30,048,000 27,233,000 27,570,000 28,385,000 25,942,000 21,351,000 18,577,000 12,669,000 7,865,000 2,607,000 949,000 557,000 473,000 524,000 593,000 755,000 940,000 1,072,000 1,528,000 1,855,000 2,022,000 2,135,000 2,081,000 1,924,000 1,590,000   
      interest expense
    		-4,221,000 -2,127,000 -2,074,000 -1,966,000 -2,339,000 -3,143,000 -3,604,000 -2,764,000 -3,605,000 -3,159,000 -2,494,000 -1,383,000 -1,333,000 -1,331,000 -14,458,000 -14,246,000 -14,040,000 -13,835,000 -13,634,000 -13,436,000 -13,245,000 -13,049,000           
      other income
    		803,000  -1,227,750 677,000 -4,936,000    172,000    141,000  -774,000 -2,001,000 -844,000 -589,000 329,000 71,000 518,000 268,000 -252,000 70,000 -13,000  -247,000 -144,000 250,000  -940,000 610,000 
      income before income taxes
    		-21,298,000 -8,374,000 -1,903,000 4,563,000 -16,537,000 -4,414,000 -5,104,000 20,866,000 -20,505,000 -24,486,000 -26,026,000 -39,361,000 -53,761,000 -63,416,000 -95,154,000 -101,895,000 -98,259,000 -88,322,000 -80,178,000 -56,622,000 -65,870,000 -54,508,000 -49,092,000 -18,916,000 -28,438,000 -16,282,000 -6,043,000 -11,600,000 -3,008,000 -7,261,000 -6,628,000 -8,414,000 
      provision for income taxes
    		13,014,000 3,241,000 15,675,000 8,688,000 -8,813,000 7,637,000 9,774,000 1,742,000 7,964,000 8,997,000 4,648,000 6,685,000 3,692,000 4,746,000 2,498,000 -490,000 2,161,000 2,479,000 845,000 1,837,000 1,671,000 498,000 457,000 421,000 716,000 794,000 -767,000 636,000 547,000 327,000 334,000 357,000 
      net income
    		-34,312,000 -11,615,000 -17,578,000 -4,125,000 -7,724,000 -12,051,000 -14,878,000 19,124,000 -28,469,000 -33,483,000 -30,674,000 -46,046,000 -57,453,000 -68,162,000 -97,652,000 -101,405,000 -100,420,000 -90,801,000 -81,023,000 -58,459,000 -67,541,000 -55,006,000 -49,549,000 -19,337,000 -29,154,000 -17,076,000 -5,276,000 -12,236,000 -3,555,000 -7,588,000 -6,962,000 -8,771,000 
      yoy
    		344.23% -3.62% 18.15% -121.57% -72.87% -64.01% -51.50% -141.53% -50.45% -50.88% -68.59% -54.59% -42.79% -24.93% 20.52% 73.46% 48.68% 65.07% 63.52% 202.32% 131.67% 222.12% 839.14% 58.03% 720.08% 125.04% -24.22% 39.51%     
      qoq
    		195.41% -33.92% 326.13% -46.60% -35.91% -19.00% -177.80% -167.17% -14.97% 9.16% -33.38% -19.85% -15.71% -30.20% -3.70% 0.98% 10.59% 12.07% 38.60% -13.45% 22.79% 11.01% 156.24% -33.67% 70.73% 223.65% -56.88% 244.19% -53.15% 8.99% -20.62%  
      net income margin %
    		-4.21% -1.47% -2.44% -0.61% -1.19% -1.92% -2.51% 3.46% -5.42% -6.74% -6.74% -10.99% -14.82% -19.17% -30.70% -35.36% -39.29% -39.39% -41.11% -33.14% -43.01% -38.58% -39.36% -17.50% -28.79% -18.25% -6.13% -15.46% -4.78% -11.99% -12.39% -17.84% 
      net income per share
    		-0.21 -0.07   -0.05 -0.08   -0.19 -0.23 -0.21 -0.32 -0.4 -0.48 -0.69 -0.72 -0.71 -0.65 -0.59 -0.43 -0.5 -0.41 -0.38 -0.15 -0.23 -0.13 -0.04 -0.1 -0.03 -0.06 0.1 -0.14 
      weighted-average shares used for eps calculation
    		159,683 158,596 154,404  153,672 152,557 149,586  148,951 147,625 144,942 145,354 144,511 143,476 140,895 141,422 140,515 139,296 135,654 136,385 135,024 133,452 129,323 129,682 128,408 127,548 123,566 124,672 122,741 120,587 63,881 73,818 
      other expense
    		 -3,039,000    -652,000 -1,783,000 -927,000  -1,212,000 -382,750 -809,000  -863,000            -29,000    -188,000   
      net income per share
    		-0.21 -0.07   -0.05 -0.08   -0.19 -0.23 -0.21 -0.32 -0.4 -0.48 -0.69 -0.72 -0.71 -0.65 -0.59 -0.43 -0.5 -0.41 -0.38 -0.15 -0.23 -0.13 -0.04 -0.1 -0.03 -0.06 0.1 -0.14 
      basic
    		  -0.04 -0.03   -0.073 0.13                         
      diluted
    		  -0.04 -0.03   -0.073 0.12                         
      weighted-average shares used for eps calculation
    		159,683 158,596 154,404  153,672 152,557 149,586  148,951 147,625 144,942 145,354 144,511 143,476 140,895 141,422 140,515 139,296 135,654 136,385 135,024 133,452 129,323 129,682 128,408 127,548 123,566 124,672 122,741 120,587 63,881 73,818 
      basic
    		   154,909    150,290                         
      diluted
    		   154,909    154,081                         
      restructuring and other charges
    		          1,299,000 6,301,000                     
      accretion of series c and d redeemable convertible preferred stock
    		                               -1,223,000 
      net loss attributable to common stockholders
    		                          -5,276,000 -12,236,000 -3,555,000 -7,588,000 -6,962,000 -9,994,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-01-31 2025-10-31 2025-07-31 2025-04-30 2025-01-31 2024-10-31 2024-07-31 2024-04-30 2024-01-31 2023-10-31 2023-07-31 2023-04-30 2023-01-31 2022-10-31 2022-07-31 2022-04-30 2022-01-31 2021-10-31 2021-07-31 2021-04-30 2021-01-31 2020-10-31 2020-07-31 2020-04-30 2020-01-31 2019-10-31 2019-07-31 2019-04-30 2019-01-31 2018-10-31 2018-07-31 2018-04-30 
                                      
        assets
      		                                
        current assets:
      		                                
        cash and cash equivalents
      		1,202,751,000 1,338,195,000 2,389,023,000 1,990,890,000 1,758,506,000 1,553,645,000 1,423,080,000 1,259,197,000 1,438,586,000 1,361,723,000 1,262,206,000 1,275,297,000 1,257,012,000 1,084,945,000 1,013,210,000 594,893,000 409,819,000 371,696,000 275,898,000 106,590,000 95,347,000 102,016,000 141,851,000 124,592,000 76,534,000 69,346,000 78,484,000 54,974,000 67,467,000 42,786,000 135,579,000 287,443,000 
        short-term investments
      		2,310,000,000 1,983,077,000 1,183,386,000 1,014,701,000 1,121,734,000 1,154,252,000 986,574,000 980,802,000 1,021,218,000 962,681,000 838,026,000 693,110,000 648,332,000 739,845,000 718,129,000 1,062,981,000 1,211,390,000 1,212,946,000 1,226,654,000 1,361,019,000 1,349,402,000 1,313,938,000 1,228,722,000 266,722,000 308,380,000 308,285,000 286,162,000 297,762,000 272,476,000 271,254,000 162,960,000  
        accounts receivable
      		551,820,000 530,487,000 992,181,000 615,787,000 514,314,000 424,573,000 736,529,000 506,284,000 479,611,000 366,843,000 582,636,000 376,339,000 358,614,000 268,718,000 399,745,000 272,092,000 269,449,000 172,028,000 257,109,000 164,923,000 170,412,000 105,942,000 147,584,000 105,583,000 94,784,000 70,482,000 93,341,000 71,151,000 75,470,000 49,228,000 61,611,000 40,215,000 
        deferred contract acquisition costs
      		188,696,000 182,563,000 180,819,000 165,752,000 156,079,000 152,475,000 148,873,000 135,095,000 125,591,000 119,417,000 115,827,000 103,896,000 96,105,000 90,004,000 86,210,000 75,897,000 69,025,000 62,067,000 57,373,000 44,541,000 39,902,000 35,589,000 32,240,000 26,316,000 23,527,000 22,060,000 21,219,000 19,391,000 18,058,000 16,387,000 16,136,000 13,753,000 
        prepaid expenses and other current assets
      		197,496,000 171,639,000 148,881,000 128,271,000 114,573,000 108,835,000 101,561,000 88,636,000 77,702,000 80,926,000 91,619,000 78,608,000 56,046,000 49,849,000 39,353,000 41,182,000 29,482,000 36,699,000 31,269,000 28,428,000 23,586,000 22,040,000 31,396,000 28,903,000 19,917,000 18,713,000 16,880,000 12,765,000 12,540,000 11,949,000 10,878,000 9,036,000 
        total current assets
      		4,450,763,000 4,205,961,000 4,894,290,000 3,915,401,000 3,665,206,000 3,393,780,000 3,396,617,000 2,970,014,000 3,142,708,000 2,891,590,000 2,890,314,000 2,527,250,000 2,416,109,000 2,233,361,000 2,256,647,000 2,047,045,000 1,989,165,000 1,855,436,000 1,848,303,000 1,705,501,000 1,678,649,000 1,579,525,000 1,581,793,000 552,116,000 523,142,000 488,886,000 496,086,000 456,043,000 446,011,000 391,604,000 387,164,000 350,447,000 
        property and equipment
      		544,623,000 542,255,000 543,377,000 498,896,000 422,315,000 409,005,000 383,121,000 330,646,000 294,495,000 265,592,000 242,355,000 222,801,000 200,468,000 183,425,000 160,633,000 141,692,000 121,195,000 112,999,000 108,576,000 106,812,000 90,527,000 83,976,000 75,734,000 63,297,000 52,355,000 48,361,000 41,046,000 31,976,000 25,762,000 24,132,000 19,765,000 20,441,000 
        operating lease right-of-use assets
      		138,333,000 127,457,000 89,772,000 71,351,000 83,703,000 84,091,000 89,758,000 92,473,000 87,804,000 77,137,000 70,671,000 68,526,000 69,848,000 76,199,000 72,357,000 45,185,000 42,837,000 44,153,000 44,339,000 49,727,000 45,942,000 45,586,000 36,119,000 35,128,000 32,142,000 32,585,000       
        deferred contract acquisition costs, noncurrent
      		330,608,000 322,556,000 328,722,000 298,133,000 284,286,000 286,656,000 296,525,000 268,079,000 255,883,000 253,386,000 259,407,000 232,304,000 219,046,000 211,468,000 210,792,000 181,402,000 165,480,000 154,036,000 149,657,000 107,927,000 95,044,000 83,690,000 77,675,000 58,024,000 50,523,000 48,366,000 48,566,000 44,714,000 42,543,000 39,591,000 39,774,000 32,755,000 
        acquired intangible assets
      		193,376,000 215,290,000 47,323,000 51,403,000 55,658,000 59,595,000 63,835,000 68,959,000 22,540,000 25,623,000 25,859,000 28,841,000 26,716,000 29,267,000 31,819,000 27,034,000 29,272,000 29,903,000 32,129,000 26,495,000 20,871,000 22,447,000 24,024,000 10,146,000 7,287,000 7,929,000 8,708,000      
        goodwill
      		1,001,401,000 994,463,000 417,730,000 417,730,000 417,730,000 417,029,000 417,029,000 417,029,000 92,415,000 92,415,000 89,192,000 89,192,000 78,547,000 78,547,000 78,547,000 59,823,000 59,823,000 58,977,000 58,977,000 53,291,000 30,059,000 30,059,000 30,059,000 13,350,000 7,479,000 7,479,000 7,479,000      
        other noncurrent assets
      		94,724,000 95,105,000 98,674,000 86,714,000 77,070,000 58,846,000 58,083,000 51,551,000 38,381,000 29,841,000 30,519,000 31,798,000 29,222,000 23,465,000 21,870,000 22,363,000 14,249,000 15,614,000 15,650,000 12,523,000 8,325,000 7,664,000 8,054,000 3,903,000 3,497,000 2,622,000 2,277,000 4,803,000 3,797,000 2,767,000 1,078,000 1,895,000 
        total assets
      		6,753,828,000 6,503,087,000 6,419,888,000 5,339,628,000 5,005,968,000 4,709,002,000 4,704,968,000 4,198,751,000 3,934,226,000 3,635,584,000 3,608,317,000 3,200,712,000 3,039,956,000 2,835,732,000 2,832,665,000 2,524,544,000 2,422,021,000 2,271,118,000 2,257,631,000 2,062,276,000 1,969,417,000 1,852,947,000 1,833,458,000 735,964,000 676,425,000 636,228,000 604,162,000 537,536,000 518,113,000 458,094,000 447,781,000 405,538,000 
        liabilities and stockholders’ equity
      		                                
        current liabilities:
      		                                
        accounts payable
      		29,031,000 48,400,000 46,906,000 54,609,000 24,600,000 25,368,000 23,309,000 28,030,000 17,137,000 23,234,000 18,481,000 24,783,000 33,632,000 29,717,000 26,154,000 15,234,000 13,499,000 14,961,000 12,547,000 20,172,000 13,170,000 7,663,000 5,233,000 9,392,000 2,675,000 3,784,000 6,208,000 3,585,000 3,459,000 4,573,000 4,895,000 4,944,000 
        accrued expenses and other current liabilities
      		100,264,000 107,510,000 93,984,000 84,666,000 90,626,000 83,384,000 91,708,000 82,639,000 68,217,000 70,950,000 64,975,000 51,209,000 43,547,000 60,229,000 46,496,000 43,160,000 31,096,000 22,859,000 22,908,000 16,622,000 14,208,000 13,871,000 16,361,000 14,366,000 13,606,000 12,003,000 12,810,000 11,815,000 13,934,000 14,925,000 12,313,000 13,767,000 
        accrued compensation
      		160,515,000 135,234,000 181,807,000 155,117,000 140,430,000 126,379,000 160,810,000 163,119,000 137,362,000 97,568,000 136,800,000 123,195,000 97,293,000 79,587,000 111,948,000 102,678,000 83,863,000 72,667,000 93,622,000 61,276,000 47,861,000 37,097,000 49,444,000 34,215,000 25,019,000 22,926,000 21,544,000 21,845,000 15,541,000 18,686,000 23,393,000 14,820,000 
        deferred revenue
      		1,983,569,000 1,946,191,000 2,054,417,000 1,677,895,000 1,595,780,000 1,533,080,000 1,643,919,000 1,376,676,000 1,316,416,000 1,244,528,000 1,281,143,000 1,058,901,000 1,000,359,000 913,104,000 923,749,000 731,904,000 687,919,000 584,325,000 571,286,000 445,835,000 406,184,000 340,035,000 337,263,000 274,726,000 251,221,000 218,191,000 221,387,000 183,622,000 176,326,000 144,472,000 140,670,000 111,035,000 
        operating lease liabilities
      		67,587,000 68,399,000 52,497,000 47,231,000 49,917,000 49,600,000 50,866,000 50,857,000 44,773,000 38,138,000 34,469,000 31,054,000 29,173,000 28,646,000 26,100,000 19,600,000 19,665,000 20,488,000 19,842,000 20,974,000 20,152,000 17,796,000 15,600,000 12,939,000 11,142,000 9,413,000       
        total current liabilities
      		2,340,966,000 2,305,734,000 2,429,611,000 3,168,399,000 3,048,866,000 2,963,610,000 3,112,887,000 1,701,321,000 1,583,905,000 1,474,418,000 1,535,868,000 1,289,142,000 1,204,004,000 1,111,283,000 1,134,447,000 912,576,000 836,042,000 715,300,000 720,205,000 564,879,000 501,575,000 416,462,000 423,901,000 345,638,000 303,663,000 266,317,000 261,949,000 221,562,000 210,232,000 183,905,000 182,832,000 147,191,000 
        convertible senior notes
      		1,702,718,000 1,699,871,000  1,148,881,000 1,147,513,000 1,145,799,000 1,142,275,000 1,137,687,000 1,141,011,000 1,134,026,000 1,134,159,000 1,140,840,000 1,140,516,000 1,139,542,000 968,674,000 954,578,000 940,692,000 927,014,000 913,538,000 900,263,000 887,186,000 874,359,000 861,615,000          
        deferred revenue, noncurrent
      		371,786,000 405,113,000 413,609,000 307,090,000 282,725,000 250,640,000 251,055,000 200,338,000 185,759,000 155,016,000 158,533,000 116,472,000 111,521,000 92,609,000 97,374,000 86,839,000 72,012,000 63,491,000 59,315,000 49,599,000 40,633,000 31,865,000 32,504,000 26,065,000 28,801,000 27,678,000 29,815,000 27,920,000 29,694,000 20,807,000 23,353,000 13,771,000 
        operating lease liabilities, noncurrent
      		94,083,000 65,771,000 43,352,000 32,703,000 40,912,000 41,938,000 44,824,000 46,897,000 47,906,000 43,606,000 41,917,000 42,884,000 46,233,000 51,065,000 50,948,000 31,028,000 29,280,000 30,534,000 31,225,000 35,472,000 33,829,000 35,266,000 28,023,000 27,909,000 23,300,000 24,825,000       
        other noncurrent liabilities
      		48,327,000 44,270,000 33,316,000 26,497,000 26,119,000 24,269,000 22,100,000 19,369,000 16,789,000 20,993,000 12,728,000 10,100,000 9,025,000 9,958,000 7,922,000 7,946,000 4,628,000 4,580,000 4,453,000 3,956,000 3,490,000 2,890,000 2,586,000 1,558,000 1,497,000 3,356,000 3,840,000 1,475,000 1,114,000 1,204,000 1,360,000 1,384,000 
        total liabilities
      		4,557,880,000 4,520,759,000 4,620,615,000 3,534,689,000 3,398,622,000 3,280,457,000 3,430,866,000 3,105,612,000 2,975,370,000 2,828,059,000 2,883,205,000 2,599,438,000 2,511,299,000 2,404,457,000 2,259,365,000 1,992,967,000 1,882,654,000 1,740,919,000 1,728,736,000 1,554,169,000 1,466,713,000 1,360,842,000 1,348,629,000 401,170,000 357,261,000 322,176,000 295,604,000 250,957,000 241,040,000 205,916,000 207,545,000 162,346,000 
        commitments and contingencies
      		                                
        stockholders’ equity
      		                                
        preferred stock; 0.001 par value...
      		                                
        common stock; 0.001 par value...
      		161,000 159,000 159,000 156,000 155,000 153,000 152,000 151,000 150,000 148,000 147,000 146,000 145,000 144,000 143,000 142,000 141,000 140,000 139,000 137,000 136,000 134,000 133,000 130,000 129,000 128,000 127,000 126,000 124,000 122,000 119,000 119,000 
        additional paid-in capital
      		3,416,085,000 3,175,453,000 2,980,591,000 2,960,521,000 2,797,350,000 2,593,010,000 2,426,819,000 2,241,865,000 2,114,041,000 1,949,189,000 1,816,915,000 1,660,930,000 1,547,203,000 1,425,156,000 1,590,885,000 1,450,139,000 1,341,346,000 1,225,224,000 1,131,006,000 1,027,888,000 964,214,000 886,815,000 823,804,000 623,859,000 589,229,000 555,019,000 532,618,000 505,531,000 483,951,000 455,761,000 438,392,000 434,250,000 
        accumulated other comprehensive income
      		15,187,000 7,889,000 8,081,000 16,242,000               -650,000 659,000 472,000 -267,000 463,000 827,000 491,000 436,000 268,000 101,000     
        accumulated deficit
      		-1,235,485,000 -1,201,173,000 -1,189,558,000 -1,171,980,000 -1,167,855,000 -1,160,131,000 -1,148,080,000 -1,133,202,000 -1,152,326,000 -1,123,857,000 -1,090,374,000 -1,059,700,000 -1,013,654,000 -956,201,000 -991,878,000 -894,226,000 -792,821,000 -692,401,000 -601,600,000 -520,577,000 -462,118,000 -394,577,000 -339,571,000 -290,022,000 -270,685,000 -241,531,000 -224,455,000 -219,179,000 -206,943,000 -203,388,000 -196,100,000 -189,138,000 
        total stockholders’ equity
      		2,195,948,000 1,982,328,000 1,799,273,000 1,804,939,000 1,607,346,000 1,428,545,000 1,274,102,000 1,093,139,000 958,856,000 807,525,000 725,112,000 601,274,000 528,657,000 431,275,000 573,300,000 531,577,000 539,367,000 530,199,000 528,895,000 508,107,000 502,704,000 492,105,000 484,829,000 334,794,000 319,164,000 314,052,000 308,558,000 286,579,000 277,073,000 252,178,000 240,236,000 243,192,000 
        total liabilities and stockholders’ equity
      		6,753,828,000 6,503,087,000 6,419,888,000 5,339,628,000 5,005,968,000 4,709,002,000 4,704,968,000 4,198,751,000 3,934,226,000 3,635,584,000 3,608,317,000 3,200,712,000 3,039,956,000 2,835,732,000 2,832,665,000 2,524,544,000 2,422,021,000 2,271,118,000 2,257,631,000 2,062,276,000 1,969,417,000 1,852,947,000 1,833,458,000 735,964,000 676,425,000 636,228,000 604,162,000 537,536,000 518,113,000 458,094,000   
        convertible senior notes, noncurrent
      		  1,700,727,000                              
        accumulated other comprehensive loss
      		    -22,304,000 -4,487,000 -4,789,000 -15,675,000 -3,009,000 -17,955,000 -1,576,000 -102,000 -5,037,000 -37,824,000 -25,850,000 -24,478,000 -9,299,000 -2,764,000           -59,000 -317,000 -124,000  
        notes receivable from stockholders
      		                              -2,051,000 -2,039,000 
        liability for early exercised unvested stock options
      		                           695,000     
        liability for early exercise of unvested stock options
      		                            972,000   2,625,000 
        liability for early exercised stock options
      		                             1,249,000 1,561,000  
        liabilities, redeemable convertible preferred stock and stockholders’ equity
      		                                
        redeemable convertible preferred stock
      		                                
        redeemable convertible preferred stock; 0.001 par value...
      		                                
        total liabilities, redeemable convertible preferred stock and stockholders’ equity
      		                              447,781,000 405,538,000 
                                      
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-01-31 2025-10-31 2025-07-31 2025-04-30 2025-01-31 2024-10-31 2024-07-31 2024-04-30 2024-01-31 2023-10-31 2023-07-31 2023-04-30 2023-01-31 2022-10-31 2022-07-31 2022-04-30 2022-01-31 2021-10-31 2021-07-31 2021-04-30 2021-01-31 2020-10-31 2020-07-31 2020-04-30 2020-01-31 2019-10-31 2019-07-31 2019-04-30 2019-01-31 2018-10-31 2018-07-31 
                                       
          cash flows from operating activities
        		                               
          net loss
        		-34,312,000 -11,615,000 -17,578,000 -4,125,000 -7,724,000 -12,051,000 -14,878,000 19,124,000 -28,469,000 -33,483,000 -30,674,000 -46,046,000 -57,453,000 -68,162,000 -97,652,000 -101,405,000 -100,420,000 -90,801,000 -81,023,000 -58,459,000 -67,541,000 -55,006,000 -49,549,000 -19,337,000 -29,154,000 -17,076,000 -5,276,000 -12,236,000 -3,555,000 -7,588,000 -6,962,000 
          adjustments to reconcile net loss to cash from operating activities:
        		                               
          depreciation and amortization expense
        		34,944,000 32,651,000 30,260,000 28,190,000 24,488,000 21,423,000 19,275,000 17,672,000 15,399,000 13,962,000 15,987,000 14,528,000 13,365,000 11,876,000 11,019,000 10,432,000 9,988,000 9,017,000 8,262,000 8,074,000 7,235,000 6,092,000 5,456,000 4,770,000 3,926,000 3,582,000 3,067,000 2,669,000 2,492,000 2,170,000 2,146,000 
          amortization expense of acquired intangible assets
        		11,114,000 8,633,000 4,080,000 4,255,000 4,245,000 4,240,000 5,124,000 3,381,000 3,083,000 3,036,000 2,982,000 2,975,000 2,551,000 2,552,000 2,315,000 2,238,000 2,231,000 2,226,000 2,066,000 1,576,000 1,576,000 1,577,000 1,322,000 641,000 642,000 779,000    95,000  
          amortization of deferred contract acquisition costs
        		49,551,000 48,082,000 44,811,000 42,308,000 40,123,000 39,068,000 35,428,000 33,207,000 31,393,000 30,111,000 27,350,000 25,315,000 23,728,000 22,325,000 19,738,000 17,755,000 16,126,000 14,912,000 11,981,000 10,454,000 9,445,000 8,678,000 7,249,000 6,248,000 5,890,000 5,535,000 5,146,000 4,724,000 4,457,000 4,324,000 3,827,000 
          amortization of debt issuance costs
        		2,040,000 2,038,000 1,346,000 984,000 982,000 981,000 980,000 979,000 978,000 977,000                      
          non-cash operating lease costs
        		20,311,000 18,445,000 15,102,000 16,331,000 15,908,000 15,657,000 14,532,000 13,280,000 11,730,000 9,903,000 8,892,000 8,332,000 7,880,000 7,108,000 6,638,000 6,577,000 6,380,000 6,031,000 5,839,000 5,656,000            
          stock-based compensation expense
        		216,553,000 188,593,000 172,654,000 159,401,000 172,117,000 157,178,000 144,870,000 113,236,000 140,432,000 129,138,000 122,104,000 107,819,000 109,738,000 105,173,000 114,817,000 105,854,000 98,988,000 89,903,000 79,997,000 59,973,000 61,380,000 57,185,000 51,383,000 27,770,000 23,866,000 18,376,000 12,335,000 13,275,000 13,227,000 7,586,000 4,118,000 
          accretion of investments purchased at a discount
        		-1,730,000 -1,905,000 -2,061,000 -3,752,000 -5,107,000 -5,003,000  -5,002,000 -6,383,000 -3,199,000                      
          unrealized losses on hedging transactions
        		-4,094,000 3,033,000 1,231,000 -3,898,000   -821,000 -1,267,000 1,277,000 1,564,000                      
          deferred income taxes
        		2,145,000 -3,698,000 3,490,000 -482,000 -17,545,000 186,000 136,000 -4,332,000 -1,394,000 -43,000 194,000 149,000 -56,000 65,000 -41,000 138,000 -436,000 -223,000 -904,000 -521,000 -461,000 -520,000 -617,000   -49,000      
          other
        		1,204,000 1,234,000 -72,000 -244,000 659,000 644,000 1,603,000 314,000 372,000 1,031,000 1,267,000 -607,000 -1,728,000 248,000 -254,000 354,000 308,000 -13,000 304,000 -56,000 30,000 29,000 16,000 57,000 25,000 223,000 40,000 42,000 519,000 -317,000 -148,000 
          changes in operating assets and liabilities, net of effects of business combinations:
        		                               
          accounts receivable
        		-21,330,000 482,861,000 -376,516,000 -101,537,000 -89,932,000 311,975,000 -231,366,000 -23,968,000 -112,708,000 215,082,000 -206,863,000 -17,795,000 -89,836,000 130,636,000 -127,887,000 -2,827,000 -97,549,000 84,927,000 -91,477,000 4,553,000 -66,315,000 41,634,000 -42,004,000 -10,786,000 -24,291,000 22,859,000 -22,190,000 4,319,000 -26,242,000 12,383,000 -21,398,000 
          deferred contract acquisition costs
        		-63,736,000 -43,660,000 -90,467,000 -65,828,000 -41,357,000 -32,801,000 -77,652,000 -54,907,000 -40,064,000 -27,680,000 -66,384,000 -46,364,000 -37,407,000 -26,795,000 -59,441,000 -40,549,000 -34,528,000 -23,985,000 -66,543,000 -27,976,000 -25,112,000 -18,042,000 -32,824,000 -16,538,000 -9,514,000 -6,176,000 -10,826,000 -8,228,000 -9,080,000 -4,392,000 -13,229,000 
          prepaid expenses, other current and noncurrent assets
        		-12,900,000 -17,322,000 -29,390,000 -38,000 -3,377,000 -8,767,000 -16,519,000 -26,112,000 1,311,000 1,349,000 -10,317,000 -21,805,000 -221,000 -7,579,000 67,000 -15,257,000 9,029,000 -4,126,000 -5,185,000 -4,925,000 -1,161,000 7,883,000 -215,000 -9,384,000 -1,510,000 -2,471,000      
          accounts payable
        		-19,175,000 -2,942,000 -11,415,000 28,849,000 -945,000 1,043,000 -3,356,000 9,932,000 -7,008,000 4,596,000 -4,337,000 -9,307,000 2,228,000 3,000,000 11,392,000 3,069,000 985,000 -1,088,000 1,030,000 1,794,000 4,551,000 76,000 -1,061,000 2,526,000 -565,000 -38,000 1,106,000 175,000 -18,000 -768,000 841,000 
          accrued expenses, other current and noncurrent liabilities
        		-2,157,000 8,409,000 12,213,000 4,448,000 -5,241,000 -6,240,000 28,909,000 8,627,000 1,161,000 4,859,000 11,953,000 8,962,000 2,272,000 3,627,000 3,227,000 5,121,000 5,221,000 -192,000 3,524,000 1,275,000 2,976,000 -1,243,000 1,632,000 1,903,000 -777,000 -466,000      
          accrued compensation
        		25,281,000 -54,816,000 26,690,000 14,687,000 14,051,000 -34,431,000 -2,309,000 12,254,000 39,794,000 -39,232,000 13,605,000 28,584,000 15,146,000 -32,797,000 9,270,000 18,815,000 11,196,000 -20,955,000 32,294,000 13,166,000 10,764,000 -12,347,000 15,229,000 9,196,000 2,093,000 1,382,000 -301,000 6,304,000 -3,145,000 -4,707,000 8,573,000 
          deferred revenue
        		4,051,000 -191,132,000 483,041,000 106,480,000 94,785,000 -111,254,000 317,960,000 69,877,000 102,631,000 -40,154,000 264,308,000 63,394,000 106,202,000 -15,340,000 202,584,000 59,001,000 112,213,000 17,381,000 134,011,000 49,530,000 76,751,000 2,133,000 68,436,000 20,761,000 34,153,000 -5,333,000 39,660,000 5,522,000 40,741,000 1,256,000 39,217,000 
          operating lease liabilities
        		-3,687,000 -18,609,000 -16,815,000 -14,948,000 -16,044,000 -14,202,000 -13,881,000 -12,881,000 -11,466,000 -11,011,000 -8,594,000 -8,683,000 -6,633,000 -8,287,000 -7,390,000 -7,242,000 -7,141,000 -5,890,000 -5,830,000 -6,976,000 -4,424,000 -4,821,000 -2,122,000 -293,000 -3,195,000 -1,994,000      
          net cash from operating activities
        		204,073,000 448,280,000 250,604,000 211,081,000 179,433,000 331,335,000 203,557,000 173,414,000 142,069,000 260,806,000 135,936,000 108,469,000 89,481,000 128,457,000 103,138,000 77,241,000 48,262,000 93,271,000 44,736,000 73,368,000 30,404,000 53,532,000 31,635,000 20,822,000 5,431,000 21,429,000 17,823,000 13,483,000 15,707,000 11,014,000 14,658,000 
          capital expenditures
        		-34,944,000 -34,984,000 -78,683,000 -91,618,000 -36,005,000 -39,454,000 -67,239,000 -50,288,000 -41,281,000 -36,088,000 -34,635,000 -34,583,000 -26,663,000 -32,843,000 -28,367,000 -33,496,000 -18,813,000 -9,904,000 -17,035,000 -17,587,000 -12,370,000 -11,305,000 -20,720,000 -11,717,000 -2,471,000 -12,012,000 -10,271,000 -8,901,000 -547,000 -5,770,000 -2,738,000 
          free cash flows
        		169,129,000 413,296,000 171,921,000 119,463,000 143,428,000 291,881,000 136,318,000 123,126,000 100,788,000 224,718,000 101,301,000 73,886,000 62,818,000 95,614,000 74,771,000 43,745,000 29,449,000 83,367,000 27,701,000 55,781,000 18,034,000 42,227,000 10,915,000 9,105,000 2,960,000 9,417,000 7,552,000 4,582,000 15,160,000 5,244,000 11,920,000 
          cash flows from investing activities
        		                               
          purchases of property, equipment and other assets
        		-17,755,000 -17,311,000 -60,046,000 -72,163,000 -15,018,000 -17,025,000 -49,384,000 -35,651,000 -30,894,000 -28,659,000 -27,070,000 -26,244,000 -18,681,000 -25,202,000 -21,250,000 -27,604,000 -13,988,000 -6,454,000 -13,950,000 -14,812,000 -10,499,000 -8,904,000 -18,279,000 -9,694,000        
          capitalized internal-use software
        		-17,189,000 -17,673,000 -18,637,000 -19,455,000 -20,987,000 -22,429,000 -17,855,000 -14,637,000 -10,387,000 -7,429,000 -7,565,000 -8,339,000 -7,982,000 -7,641,000 -7,117,000 -5,892,000 -4,825,000 -3,450,000 -3,085,000 -2,775,000 -1,871,000 -2,401,000 -2,441,000 -2,023,000 -2,471,000 -1,802,000 -1,449,000 -810,000 -547,000 -356,000 -349,000 
          payments for business acquisitions, net of cash acquired
        		0 -672,780,000 0 0   -12,921,000 -357,404,000 0 -4,377,000 0    -24,907,000 0   -11,110,000    -30,683,000    -10,609,000     
          purchase of strategic investments
        		  -38,000 0 -225,000 -561,000 0 0   -1,006,000 -1,000,000                    
          purchases of short-term investments
        		-505,081,000 -896,388,000 -393,993,000 -157,570,000 -298,770,000 -430,296,000 -287,043,000 -242,176,000 -385,867,000 -375,929,000 -323,904,000 -226,496,000 -303,488,000 -210,255,000 -34,833,000 -185,857,000 -311,414,000 -312,840,000 -91,008,000 -304,834,000 -244,975,000 -174,663,000 -1,052,865,000 -55,221,000 -59,133,000 -88,410,000 -62,862,000 -92,428,000 -42,467,000 -137,429,000  
          proceeds from maturities of short-term investments
        		149,210,000 93,593,000 225,132,000 270,890,000 336,352,000 268,651,000 293,015,000 244,566,000 340,838,000 253,849,000 153,683,000 161,365,000 400,705,000 186,096,000 379,595,000 325,868,000 306,734,000 322,677,000 222,473,000 278,929,000 207,233,000 76,582,000 80,560,000 83,212,000 59,217,000 66,796,000 60,355,000 67,758,000 42,270,000 29,333,000  
          proceeds from sale of short-term investments
        		31,910,000 8,348,000     0 45,060,000   25,447,000        0 10,999,000 0 11,500,000 7,008,000         
          net cash from investing activities
        		-360,913,000 -1,502,211,000 -247,582,000     -360,242,000 -86,205,000 -162,545,000 -180,415,000 -91,274,000 70,054,000 -57,702,000 291,488,000 106,515,000 -23,873,000 -67,000 103,120,000 -64,790,000 -50,112,000 -97,886,000 -1,018,700,000 21,440,000 -7,276,000 -33,626,000 -8,397,000 -34,394,000 -3,937,000 -115,346,000 -165,671,000 
          cash flows from financing activities
        		                               
          proceeds from issuance of common stock upon exercise of stock options
        		0 3,984,000 84,000 41,000 2,566,000 890,000 962,000 7,439,000 2,592,000 1,256,000 750,000 1,090,000 1,122,000 982,000 753,000 1,319,000 2,227,000 2,644,000 4,311,000 2,665,000 6,726,000 4,519,000 9,048,000 5,796,000 3,699,000 3,059,000 6,339,000 8,030,000 5,697,000 9,796,000 640,000 
          proceeds from issuance of common stock under the employee stock purchase plan
        		  41,219,000 0   33,591,000 0   30,853,000 0   23,140,000 0   17,141,000 0   9,999,000 0   7,745,000 0    
          payment of holdback amounts related to a business acquisition
        		                               
          payments for issuance costs related to the 2028 notes
        		0 -684,000                              
          purchases of capped calls related to the 2028 notes
        		0 -197,000                              
          net cash from financing activities
        		21,396,000 3,103,000 395,111,000 -399,000 24,910,000 890,000 34,514,000 7,439,000 20,999,000 1,256,000 31,388,000 1,090,000 12,532,000 980,000 23,691,000 1,318,000 13,734,000 2,594,000 21,452,000 2,665,000 13,039,000 4,519,000 1,004,324,000 5,796,000 9,033,000 3,059,000 14,084,000 8,030,000 12,821,000 11,449,000 -851,000 
          net increase in cash and cash equivalents
        		-135,444,000 -1,050,828,000 398,133,000 232,384,000 204,861,000 130,565,000 163,883,000 -179,389,000 76,863,000 99,517,000 -13,091,000 18,285,000 172,067,000 71,735,000 418,317,000 185,074,000 38,123,000 95,798,000             -151,864,000 
          cash and cash equivalents at beginning of period
        		0 2,389,023,000 0 0 0 1,423,080,000 0 0 0 1,262,206,000 0 0 0 1,013,210,000 0 0 0 275,898,000              
          cash and cash equivalents at end of period
        		-135,444,000 1,338,195,000 398,133,000 232,384,000 204,861,000 1,553,645,000 163,883,000 -179,389,000 76,863,000 1,361,723,000 -13,091,000 18,285,000 172,067,000 1,084,945,000 418,317,000 185,074,000 38,123,000 371,696,000              
          supplemental disclosure of cash flow information
        		                               
          cash paid for income taxes, net of tax refunds
        		12,268,000 12,391,000  934,000 7,502,000 9,399,000  7,920,000 6,223,000 5,286,000  3,574,000 5,000 3,003,000  140,000 1,298,000 2,479,000 564,000 1,101,000 983,000 1,496,000 787,000 265,000 663,000 810,000 270,000     
          cash paid for interest expense
        		   0    0    0    0                
          non-cash activities
        		                               
          operating lease right-of-use assets obtained in exchange for operating lease obligations, net of terminations
        		29,335,000 54,830,000  2,956,000 14,192,000 8,894,000  16,926,000 21,464,000 15,617,000  6,601,000 1,746,000 10,390,000  8,537,000 4,661,000 5,426,000 5,000 8,970,000 4,865,000 13,787,000 4,468,000 6,300,000        
          net change in purchased equipment included in accounts payable and accrued expenses
        		-1,402,000 -5,283,000  11,028,000 555,000 462,000  -21,000 1,641,000 489,000  281,000 1,247,000 1,592,000  -917,000 -2,393,000 2,906,000 -8,706,000 5,683,000 1,153,000 1,884,000 -2,932,000 3,231,000 108,000 -1,893,000 1,360,000 7,000 758,000 786,000  
          payment of deferred consideration related to business acquisitions
        		  -352,000            -200,000 0                
          proceeds from issuance of the 2028 notes
        		                               
          purchases of capped calls related to the 2028 convertible senior notes
        		                               
          payments for the settlement of the 2025 notes
        		                               
          net cash used by investing activities
        		    518,000 -201,660,000                          
          unrealized gains on hedging transactions
        		     3,689,000                          
          amortization of investments purchased at a premium
        		          -3,193,000 -1,956,000 -1,268,000 -165,000     3,115,000 3,154,000 2,841,000 2,605,000          
          net cash provided (used) by investing activities
        		                               
          changes in operating assets and liabilities, net of effects of business combinations
        		                               
          amortization of debt discount and issuance costs
        		          975,000 974,000 973,000 972,000 14,098,000 13,887,000 13,680,000 13,476,000 13,275,000 13,076,000 12,882,000 12,690,000          
          impairment of assets
        		                  0 0 0 416,000 0 430,000        
          changes in operating assets and liabilities
        		                               
          strategic investments
        		             -700,000                  
          amortization of investment premiums, net of accretion of purchase discounts
        		              638,000 1,280,000 1,991,000 2,671,000              
          changes in operating assets and liabilities, net of effects of business acquisitions
        		                               
          proceeds from issuance of convertible senior notes, net of issuance costs
        		                               
          purchases of capped calls related to convertible senior notes
        		                               
          supplemental disclosure of cash flow information:
        		                               
          payment of deferred consideration related to a business acquisition
        		                 -50,000 0 0            
          acquired intangible assets
        		                          0 0 0 -1,480,000  
          purchases of strategic investments
        		                               
          payments of offering costs related to initial public offering
        		                          0 0    
          repurchases of unvested common stock
        		                          0 0 0 -22,000 -721,000 
          repayments of notes receivable from stockholders
        		                          0 0 0 1,905,000 0 
          vesting of early exercised common stock options
        		                  0 0   70,000 131,000 131,000 131,000 139,000 277,000 277,000 290,000 343,000 
          net change in deferred offering costs accrued
        		                          0 0    
          investments in privately held companies
        		                               
          net increase in cash, cash equivalents and restricted cash
        		                      17,259,000    23,510,000     
          cash, cash equivalents and restricted cash at beginning of period
        		                   0 0 141,851,000 0 0 0 78,484,000 0 0 0 136,147,000  
          cash, cash equivalents and restricted cash at end of period
        		                   11,243,000 -6,669,000 102,016,000 17,259,000 48,058,000 7,188,000 69,346,000 23,510,000 -12,881,000 24,591,000 43,264,000  
          interest paid
        		                   0            
          reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:
        		                               
          cash and cash equivalents
        		                   11,243,000 -6,669,000 102,016,000 17,259,000 48,058,000 7,188,000 69,346,000 23,510,000 -12,493,000 24,681,000 42,786,000  
          restricted cash, current and noncurrent
        		                               
          total cash, cash equivalents and restricted cash
        		                   11,243,000 -6,669,000 102,016,000 17,259,000 48,058,000 7,188,000 69,346,000 23,510,000 -12,881,000 24,591,000 43,264,000  
          changes in operating assets and liabilities:
        		                               
          net decrease in cash, cash equivalents and restricted cash
        		                    -6,669,000 -39,835,000   7,188,000 -9,138,000   24,591,000 -92,883,000  
          noncash operating lease costs
        		                     4,513,000 3,906,000 3,434,000        
          noncash activities
        		                               
          changes in operating assets and liabilities, net of effects of business acquisitions:
        		                               
          investment in a privately held company
        		                               
          proceeds from initial public offering, net of underwriting discounts and commissions
        		                              0 
          proceeds from issuance of common stock related to early exercised stock options
        		                              0 
          accretion of series c and d redeemable convertible preferred stock
        		                              0 
          repurchases of unvested common stock by cancellation of indebtedness
        		                               
          conversion of redeemable convertible preferred stock to common stock
        		                              0 
          restricted cash, current
        		                            -90,000 186,000  
          accretion of purchased discounts, net of amortization of investment premiums
        		                       -21,000 -142,000 -300,000 -479,000     
          restricted cash, current and non-current
        		                               
          restricted cash, non-current
        		                            0 292,000  
          amortization of operating lease right-of-use assets
        		                         2,596,000      
          purchases of property and equipment
        		                         -10,210,000    -5,414,000 -2,389,000 
          noncash activities:
        		                               
          operating lease right-of-use assets obtained in exchange for operating lease obligations
        		                         18,237,000      
          purchases of property, equipment and other
        		                          -8,822,000 -8,091,000    
          supplemental disclosure of noncash investing and financing activities:
        		                               
          reconciliation of cash, cash equivalents and restricted cash within the consolidated balance sheets to the amounts shown in the statements of cash flows above:
        		                               
          amortization of acquired intangible assets
        		                           166,000    
          changes in operating assets and liabilities, net of effects of acquisitions:
        		                               
          prepaid expenses and other assets
        		                           -583,000 -1,640,000 -1,138,000 -1,727,000 
          accrued expenses and other liabilities
        		                           -2,089,000 -1,068,000 2,110,000 -600,000 
          reconciliation of cash, cash equivalents and restricted cash within the condensed consolidated balance sheets to the amounts shown in the statements of cash flows above:
        		                               
          accretion of purchase discounts, net of amortization of investment premiums
        		                               
          cash paid for income taxes
        		                            604,000 517,000 262,000 
          payments of costs related to initial public offering
        		                             -230,000 -770,000 
          net change in deferred offering costs, accrued but not paid
        		                             -230,000 -522,000 
          change in restricted cash
        		                               
          proceeds from issuance of preferred stock, net of issuance costs
        		                               
          cash and cash equivalents, beginning of period
        		                              0 
          cash and cash equivalents, end of period
        		                              -151,864,000 
          net change in purchases of equipment, accrued but not paid
        		                               
          issuance of notes receivable related to early exercised stock options
        		                               
          capitalized leasehold improvements paid directly by landlord
        		                               
          net change in equipment included in accounts payable and accrued expenses