Integral Ad Science Holding Corp.
IASDelisted Dec 23, 2025- Industry
- Services-Computer Programming, Data Processing, Etc.
- SEC CIK
- 0001842718
Integral Ad Science Holding Corp. was delisted on Dec 23, 2025; its insiders filed their last Form 4 on Dec 29, 2025; 171 institutions reported holding it in 13F filings for Q3 2025, worth $1.65B in total; Soros Fund Management was the only superinvestor holding it.
13F holders, Q2 2021
Institutional positions in Integral Ad Science Holding Corp. as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 70
- +70 vs. Q1 2021
- Shares held
- 143.9M
- +143.9M vs. Q1 2021
- Total value
- $2.96B
- +$2.96B vs. Q1 2021
- New holders
- 70
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IAS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $10 |
| Q1 2026 | 1 | $10 |
| Q4 2025 | 2 | $3.41K |
| Q3 2025 | 171 | $1.65B |
| Q2 2025 | 170 | $1.34B |
| Q1 2025 | 187 | $1.28B |
| Q4 2024 | 165 | $1.64B |
| Q3 2024 | 172 | $1.68B |
| Q2 2024 | 156 | $1.52B |
| Q1 2024 | 166 | $1.51B |
| Q4 2023 | 173 | $2.19B |
| Q3 2023 | 164 | $1.79B |
| Q2 2023 | 168 | $2.71B |
| Q1 2023 | 116 | $2.14B |
| Q4 2022 | 107 | $1.30B |
| Q3 2022 | 104 | $1.08B |
| Q2 2022 | 93 | $1.49B |
| Q1 2022 | 92 | $2.05B |
| Q4 2021 | 80 | $3.41B |
| Q3 2021 | 70 | $2.99B |
| Q2 2021 | 70 | $2.96B |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vista Equity Partners Management, LLC | 94,380,000 | $1.94B | 21.09% | +94,380,000 | New |
| Atlas Venture Advisors, Inc. | 22,722,770 | $467.6M | 48.54% | +22,722,770 | New |
| Sapphire Ventures, L.L.C. | 10,086,035 | $207.6M | 17.98% | +10,086,035 | New |
| TimesSquare Capital Management, LLC | 1,450,000 | $29.8M | 0.24% | +1,450,000 | New |
| Indaba Capital Management, L.P. | 1,363,016 | $28.1M | 3.03% | +1,363,016 | New |
| Shelter Haven Capital Management, L.P. | 1,317,301 | $27.1M | 9.69% | +1,317,301 | New |
| FMR LLC | 1,104,100 | $22.7M | 0.00% | +1,104,100 | New |
| Price T Rowe Associates Inc | 1,000,000 | $20.6M | 0.00% | +1,000,000 | New |
| Adage Capital Partners GP, L.L.C. | 700,000 | $14.4M | 0.03% | +700,000 | New |
| Driehaus Capital Management LLC | 668,260 | $13.8M | 0.18% | +668,260 | New |
| Schonfeld Strategic Advisors LLC | 650,000 | $13.4M | 0.15% | +650,000 | New |
| Wellington Management Group LLP | 606,305 | $12.5M | 0.00% | +606,305 | New |
| Polar Asset Management Partners Inc. | 603,903 | $12.4M | 0.15% | +603,903 | New |
| Citadel Advisors LLC | 514,037 | $10.6M | 0.01% | +514,037 | New |
| Ion Asset Management Ltd. | 500,000 | $10.3M | 1.27% | +500,000 | New |
| Millennium Management LLC | 412,457 | $8.49M | 0.01% | +412,457 | New |
| Frontier Capital Management Co LLC | 400,000 | $8.23M | 0.06% | +400,000 | New |
| Islet Management, LP | 400,000 | $8.23M | 0.43% | +400,000 | New |
| Stony Point Capital LLC | 400,000 | $8.23M | 2.15% | +400,000 | New |
| Alyeska Investment Group, L.P. | 350,000 | $7.20M | 0.08% | +350,000 | New |
| Ghisallo Capital Management LLC | 272,000 | $5.60M | 0.21% | +272,000 | New |
| BlackRock Inc. | 250,000 | $5.15M | 0.00% | +250,000 | New |
| Blackstone Group Inc. | 250,000 | $5.14M | 0.01% | +250,000 | New |
| Davidson Kempner Capital Management LP | 235,700 | $4.87M | 0.04% | +235,700 | New |
| TCW Group Inc | 230,000 | $4.73M | 0.04% | +230,000 | New |
| Federated Hermes, Inc. | 220,000 | $4.53M | 0.01% | +220,000 | New |
| Norges Bank | 200,000 | $4.12M | 0.00% | +200,000 | New |
| Tudor Investment Corp Et Al | 198,533 | $4.09M | 0.08% | +198,533 | New |
| Marshall Wace North America L.P. | 150,000 | $3.09M | 0.01% | +150,000 | New |
| Element Capital Management LLC | 150,000 | $3.09M | 0.49% | +150,000 | New |
| Caas Capital Management LP | 150,000 | $3.09M | 0.16% | +150,000 | New |
| Brookfield Asset Management Inc. | 145,000 | $2.98M | 0.01% | +145,000 | New |
| Rokos Capital Management LLP | 150,000 | $2.70M | 0.14% | +150,000 | New |
| Walleye Capital LLC | 130,000 | $2.67M | 0.10% | +130,000 | New |
| Calamos Advisors LLC | 125,537 | $2.58M | 0.01% | +125,537 | New |
| JPMorgan Chase & Co | 100,000 | $2.06M | 0.00% | +100,000 | New |
| Point72 Asset Management, L.P. | 100,000 | $2.06M | 0.01% | +100,000 | New |
| Vanguard Group Inc | 98,594 | $2.03M | 0.00% | +98,594 | New |
| Geode Capital Management, LLC | 105,000 | $1.96M | 0.00% | +105,000 | New |
| ExodusPoint Capital Management, LP | 80,300 | $1.65M | 0.03% | +80,300 | New |
| Monashee Investment Management LLC | 80,000 | $1.65M | 0.20% | +80,000 | New |
| LMR Partners LLP | 75,000 | $1.54M | 0.02% | +75,000 | New |
| Squarepoint Ops LLC | 60,500 | $1.25M | 0.01% | +60,500 | New |
| Goldman Sachs Group Inc | 56,300 | $1.16M | 0.00% | +56,300 | New |
| Laurion Capital Management LP | 50,000 | $1.03M | 0.02% | +50,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 50,000 | $1.03M | 0.00% | +50,000 | New |
| Pentwater Capital Management LP | 43,911 | $904.0K | 0.01% | +43,911 | New |
| Teacher Retirement System of Texas | 40,000 | $823.0K | 0.00% | +40,000 | New |
| Balyasny Asset Management LLC | 40,000 | $823.0K | 0.00% | +40,000 | New |
| Hound Partners, LLC | 40,000 | $823.0K | 0.04% | +40,000 | New |
| Voloridge Investment Management, LLC | 40,000 | $823.0K | 0.01% | +40,000 | New |
| Zimmer Partners, LP | 40,000 | $823.0K | 0.01% | +40,000 | New |
| Jane Street Group, LLC | 38,772 | $798.0K | 0.00% | +38,772 | New |
| Woodline Partners LP | 35,003 | $720.0K | 0.01% | +35,003 | New |
| Morgan Stanley | 33,553 | $690.0K | 0.00% | +33,553 | New |
| Landscape Capital Management, L.L.C. | 30,319 | $624.0K | 0.08% | +30,319 | New |
| Northern Trust Corp | 28,194 | $580.0K | 0.00% | +28,194 | New |
| Legal & General Group Plc | 20,000 | $421.0K | 0.00% | +20,000 | New |
| American Financial Group Inc | 20,000 | $412.0K | 0.11% | +20,000 | New |
| Symmetry Investments LP | 20,000 | $412.0K | 0.12% | +20,000 | New |
| Waratah Capital Advisors Ltd. | 15,145 | $312.0K | 0.02% | +15,145 | New |
| Hudson Bay Capital Management LP | 15,000 | $309.0K | 0.00% | +15,000 | New |
| Boothbay Fund Management, LLC | 15,000 | $309.0K | 0.01% | +15,000 | New |
| BlueCrest Capital Management Ltd | 15,000 | $309.0K | 0.01% | +15,000 | New |
| Qube Research & Technologies Ltd | 14,600 | $300.0K | 0.00% | +14,600 | New |
| Maven Securities LTD | 13,889 | $286.0K | 0.03% | +13,889 | New |
| Centiva Capital, LP | 10,555 | $217.0K | 0.02% | +10,555 | New |
| Washington Harbour Partners LP | 10,000 | $206.0K | 0.03% | +10,000 | New |
| Ovata Capital Management Ltd | 1,000 | $21.0K | 0.01% | +1,000 | New |
| Advisor Group Holdings, Inc. | 500 | $10.0K | 0.00% | +500 | New |