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, Q4 2023
Institutional positions in Integral Ad Science Holding Corp. as of Dec 31, 2023. 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
- 173
- +9 vs. Q3 2023
- Shares held
- 152.1M
- +1.77M (+1.2%) vs. Q3 2023
- Total value
- $2.19B
- +$397.1M (+22.2%) vs. Q3 2023
- New holders
- 30
- 76 more added
- Sold out
- 21
- 47 more reduced
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 72,897 | $1.05M | 0.00% | −205,535−73.8% | Reduced |
| UBS Asset Management Americas Inc | 73,349 | $1.06M | 0.00% | +49,595+208.8% | Added |
| Squarepoint Ops LLC | 73,366 | $1.06M | 0.00% | +27,063+58.4% | Added |
| Credit Suisse AG | 73,562 | $1.06M | 0.00% | +1,216+1.7% | Added |
| Invesco Ltd. | 75,270 | $1.08M | 0.00% | −8,274−9.9% | Reduced |
| Engineers Gate Manager LP | 79,757 | $1.15M | 0.03% | +26,671+50.2% | Added |
| National Bank of Canada | 79,000 | $1.17M | 0.00% | +79,000 | New |
| PDT Partners, LLC | 82,388 | $1.19M | 0.13% | +56,747+221.3% | Added |
| Ghisallo Capital Management LLC | 83,659 | $1.20M | 0.12% | +83,659 | New |
| Chartwell Investment Partners, LLC | 85,094 | $1.22M | 0.04% | −11,518−11.9% | Reduced |
| D. E. Shaw & Co., Inc. | 85,105 | $1.22M | 0.00% | −252,013−74.8% | Reduced |
| Nebula Research & Development LLC | 88,069 | $1.27M | 0.38% | +63,748+262.1% | Added |
| HarbourVest Partners LLC | 91,779 | $1.32M | 0.44% | 00.0% | Unchanged |
| First Trust Advisors LP | 95,703 | $1.38M | 0.00% | +95,703 | New |
| Arrowstreet Capital, Limited Partnership | 97,213 | $1.40M | 0.00% | −21,716−18.3% | Reduced |
| Swiss National Bank | 108,000 | $1.55M | 0.00% | −11,200−9.4% | Reduced |
| Ameriprise Financial Inc | 118,289 | $1.70M | 0.00% | +22,458+23.4% | Added |
| Jump Financial, LLC | 123,444 | $1.78M | 0.06% | +22,738+22.6% | Added |
| UBS Group AG | 137,243 | $1.97M | 0.00% | −10,333−7.0% | Reduced |
| Occudo Quantitative Strategies LP | 140,427 | $2.02M | 0.27% | +95,413+212.0% | Added |
| Canada Pension Plan Investment Board | 165,000 | $2.37M | 0.00% | +165,000 | New |
| Lisanti Capital Growth, LLC | 169,410 | $2.44M | 0.58% | +169,410 | New |
| Jane Street Group, LLC | 171,802 | $2.47M | 0.00% | +155,318+942.2% | Added |
| Voya Investment Management LLC | 177,053 | $2.55M | 0.00% | +138,282+356.7% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 180,400 | $2.60M | 1.09% | 00.0% | Unchanged |
| Barclays PLC | 189,773 | $2.73M | 0.00% | +136,235+254.5% | Added |
| Bank of New York Mellon Corp | 192,294 | $2.77M | 0.00% | +20,939+12.2% | Added |
| Norges Bank | 200,000 | $2.88M | 0.00% | −31,300−13.5% | Reduced |
| Algert Global LLC | 205,773 | $2.96M | 0.12% | +110,784+116.6% | Added |
| Allianz Asset Management GmbH | 208,122 | $2.99M | 0.01% | +76,034+57.6% | Added |
| Russell Investments Group, Ltd. | 216,046 | $3.11M | 0.01% | −29,144−11.9% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 219,509 | $3.16M | 0.01% | +219,509 | New |
| Rokos Capital Management LLP | 250,000 | $3.60M | 0.11% | +250,000 | New |
| iA Global Asset Management Inc. | 255,730 | $3.68M | 0.09% | +23,310+10.0% | Added |
| JPMorgan Chase & Co | 277,940 | $4.00M | 0.00% | −39,591−12.5% | Reduced |
| HBK Investments L P | 300,000 | $4.32M | 0.10% | +300,000 | New |
| Man Group plc | 333,029 | $4.79M | 0.01% | – | – |
| CenterBook Partners LP | 347,522 | $5.00M | 0.61% | −107,473−23.6% | Reduced |
| Bank of America Corp | 355,450 | $5.11M | 0.00% | +28,606+8.8% | Added |
| Granite Investment Partners, LLC | 379,268 | $5.46M | 0.21% | +137,676+57.0% | Added |
| Qube Research & Technologies Ltd | 385,209 | $5.54M | 0.01% | −81,377−17.4% | Reduced |
| Cubist Systematic Strategies, LLC | 385,647 | $5.55M | 0.07% | +185,755+92.9% | Added |
| Renaissance Technologies LLC | 478,700 | $6.89M | 0.01% | −188,400−28.2% | Reduced |
| Northern Trust Corp | 484,451 | $6.97M | 0.00% | +18,830+4.0% | Added |
| Charles Schwab Investment Management Inc | 489,818 | $7.05M | 0.00% | +91,396+22.9% | Added |
| British Columbia Investment Management Corp | 502,500 | $7.23M | 0.06% | +42,500+9.2% | Added |
| Deutsche Bank AG | 521,140 | $7.50M | 0.00% | +498,270+2,178.7% | Added |
| Thrivent Financial for Lutherans | 624,363 | $8.98M | 0.02% | +418,317+203.0% | Added |
| Putnam Investments LLC | 635,442 | $9.14M | 0.01% | +200,890+46.2% | Added |
| Two Sigma Investments, LP | 771,965 | $11.1M | 0.03% | +163,588+26.9% | Added |
| P2 Capital Partners, LLC | 774,400 | $11.1M | 1.23% | +774,400 | New |
| Frontier Capital Management Co LLC | 853,059 | $12.3M | 0.12% | +1,143+0.1% | Added |
| Two Sigma Advisers, LP | 891,100 | $12.8M | 0.03% | +87,800+10.9% | Added |
| Engle Capital Management, L.P. | 945,000 | $13.6M | 4.76% | −455,000−32.5% | Reduced |
| Aperture Investors, LLC | 1,084,080 | $15.6M | 2.75% | −129,034−10.6% | Reduced |
| State Street Corp | 1,153,417 | $16.6M | 0.00% | +267,027+30.1% | Added |
| Jacobs Levy Equity Management, Inc | 1,190,712 | $17.1M | 0.09% | +23,320+2.0% | Added |
| Citadel Advisors LLC | 1,224,524 | $17.6M | 0.02% | +301,490+32.7% | Added |
| Geode Capital Management, LLC | 1,341,159 | $19.3M | 0.00% | +176,222+15.1% | Added |
| Morgan Stanley | 1,579,620 | $22.7M | 0.00% | +523,993+49.6% | Added |
| Standard Life Aberdeen plc | 1,757,114 | $25.3M | 0.05% | +1,757,114 | New |
| Nuveen Asset Management, LLC | 1,770,579 | $25.5M | 0.01% | +411,425+30.3% | Added |
| Dimensional Fund Advisors LP | 2,377,272 | $34.2M | 0.01% | +222,614+10.3% | Added |
| Sunriver Management LLC | 2,475,285 | $35.6M | 5.58% | −1,295,045−34.3% | Reduced |
| TimesSquare Capital Management, LLC | 2,700,968 | $38.9M | 0.57% | +214,220+8.6% | Added |
| Lord, Abbett & Co. LLC | 2,726,947 | $39.2M | 0.14% | +87,708+3.3% | Added |
| Goldman Sachs Group Inc | 2,740,011 | $39.4M | 0.01% | +2,351,414+605.1% | Added |
| Clearbridge Investments, LLC | 3,494,608 | $50.3M | 0.04% | +214,693+6.5% | Added |
| BlackRock Inc. | 4,440,790 | $63.9M | 0.00% | +481,630+12.2% | Added |
| Millennium Management LLC | 5,052,974 | $72.7M | 0.07% | +4,753,774+1,588.8% | Added |
| Vanguard Group Inc | 8,106,247 | $116.6M | 0.00% | +780,469+10.7% | Added |
| Atlas Venture Advisors, Inc. | 22,722,770 | $327.0M | 57.48% | 00.0% | Unchanged |
| Vista Equity Partners Management, LLC | 66,660,001 | $959.2M | 23.43% | −11,000,000−14.2% | Reduced |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −433,855−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −190,084−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −186,840−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −126,711−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −82,500−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −73,695−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −66,200−100.0% | Sold out |
| G2 Investment Partners Management LLC | 0 | $0 | 0.00% | −65,000−100.0% | Sold out |
| Advisory Research Inc | 0 | $0 | 0.00% | −60,602−100.0% | Sold out |
| Financial Engines Advisors L.L.C. | 0 | $0 | 0.00% | −58,509−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −24,987−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −24,146−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −16,525−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −13,262−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −11,800−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −10,228−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −8,360−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −1,150−100.0% | Sold out |
| L2 Asset Management, LLC | 0 | $0 | 0.00% | −11,963−100.0% | Sold out |
| Baker Avenue Asset Management, LP | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Crewe Advisors LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |