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 2021
Institutional positions in Integral Ad Science Holding Corp. as of Dec 31, 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
- 80
- +11 vs. Q3 2021
- Shares held
- 153.4M
- +8.29M (+5.7%) vs. Q3 2021
- Total value
- $3.41B
- +$413.2M (+13.8%) vs. Q3 2021
- New holders
- 23
- 34 more added
- Sold out
- 12
- 15 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vista Equity Partners Management, LLC | 94,380,001 | $2.10B | 16.01% | +10.0% | Added |
| Atlas Venture Advisors, Inc. | 22,722,771 | $504.7M | 70.13% | +10.0% | Added |
| Sapphire Ventures, L.L.C. | 8,876,555 | $197.1M | 17.88% | −1,209,480−12.0% | Reduced |
| August Capital Management VI, L.L.C. | 6,285,864 | $139.6M | 94.02% | +6,285,864 | New |
| Shelter Haven Capital Management, L.P. | 3,134,350 | $69.6M | 19.82% | −252,656−7.5% | Reduced |
| TimesSquare Capital Management, LLC | 2,474,389 | $55.0M | 0.49% | +499,379+25.3% | Added |
| Lord, Abbett & Co. LLC | 2,339,783 | $52.0M | 0.12% | +2,339,783 | New |
| Vanguard Group Inc | 1,916,830 | $42.6M | 0.00% | +53,954+2.9% | Added |
| Indaba Capital Management, L.P. | 1,188,298 | $26.4M | 2.83% | −288,165−19.5% | Reduced |
| Price T Rowe Associates Inc | 1,177,300 | $26.1M | 0.00% | −25,984−2.2% | Reduced |
| FMR LLC | 1,105,928 | $24.6M | 0.00% | −6,346−0.6% | Reduced |
| BlackRock Inc. | 1,089,910 | $24.2M | 0.00% | −26,952−2.4% | Reduced |
| Frontier Capital Management Co LLC | 827,015 | $18.4M | 0.15% | +398,419+93.0% | Added |
| Stony Point Capital LLC | 575,608 | $12.8M | 2.39% | +163,610+39.7% | Added |
| Clearbridge Investments, LLC | 565,857 | $12.6M | 0.01% | +565,857 | New |
| Schonfeld Strategic Advisors LLC | 488,900 | $10.9M | 0.11% | −217,400−30.8% | Reduced |
| Geode Capital Management, LLC | 387,477 | $8.61M | 0.00% | +56,007+16.9% | Added |
| G2 Investment Partners Management LLC | 373,297 | $8.29M | 1.43% | +348,297+1,393.2% | Added |
| State Street Corp | 283,665 | $6.30M | 0.00% | +104,711+58.5% | Added |
| Lisanti Capital Growth, LLC | 270,785 | $6.01M | 0.87% | +60,335+28.7% | Added |
| Adage Capital Partners GP, L.L.C. | 250,000 | $5.55M | 0.01% | +122,332+95.8% | Added |
| Blackstone Group Inc. | 200,000 | $4.44M | 0.01% | −50,000−20.0% | Reduced |
| Calamos Advisors LLC | 170,538 | $3.79M | 0.02% | +93,197+120.5% | Added |
| Millennium Management LLC | 164,876 | $3.66M | 0.00% | −70,149−29.8% | Reduced |
| Bank of Montreal | 144,841 | $3.33M | 0.00% | +54,226+59.8% | Added |
| Ghisallo Capital Management LLC | 150,000 | $3.33M | 0.17% | −122,000−44.9% | Reduced |
| Northern Trust Corp | 149,069 | $3.31M | 0.00% | −980−0.7% | Reduced |
| Bank of America Corp | 144,256 | $3.20M | 0.00% | +59,689+70.6% | Added |
| Thames Capital Management LLC | 135,851 | $3.02M | 0.58% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 132,984 | $2.95M | 0.00% | +122,060+1,117.4% | Added |
| Russell Investments Group, Ltd. | 113,444 | $2.52M | 0.00% | +59,729+111.2% | Added |
| Charles Schwab Investment Management Inc | 112,749 | $2.50M | 0.00% | +2,781+2.5% | Added |
| Nuveen Asset Management, LLC | 86,821 | $1.70M | 0.00% | +3,292+3.9% | Added |
| Liontrust Investment Partners LLP | 75,000 | $1.67M | 0.02% | +5,000+7.1% | Added |
| PDT Partners, LLC | 64,399 | $1.43M | 0.11% | +64,399 | New |
| Goldman Sachs Group Inc | 61,471 | $1.36M | 0.00% | +2,783+4.7% | Added |
| EFG Asset Management (North America) Corp. | 55,089 | $1.22M | 0.16% | +55,089 | New |
| Bank of New York Mellon Corp | 50,335 | $1.12M | 0.00% | +8,522+20.4% | Added |
| SEI Investments Co | 49,939 | $1.11M | 0.00% | +49,939 | New |
| Laurion Capital Management LP | 46,600 | $1.03M | 0.02% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 42,877 | $952.0K | 0.00% | +2,377+5.9% | Added |
| Jane Street Group, LLC | 36,102 | $802.0K | 0.00% | +36,102 | New |
| Morgan Stanley | 33,362 | $740.0K | 0.00% | +21,745+187.2% | Added |
| Engineers Gate Manager LP | 32,700 | $726.0K | 0.03% | +5,798+21.6% | Added |
| JPMorgan Chase & Co | 30,904 | $686.0K | 0.00% | +24,650+394.1% | Added |
| Renaissance Technologies LLC | 30,219 | $671.0K | 0.00% | +30,219 | New |
| Prudential Financial Inc | 29,170 | $648.0K | 0.00% | +29,170 | New |
| TownSquare Capital, LLC | 25,788 | $573.0K | 0.01% | +14,061+119.9% | Added |
| 1623 Capital LLC | 22,441 | $498.0K | 0.19% | +22,441 | New |
| Panagora Asset Management Inc | 20,618 | $458.0K | 0.00% | +20,618 | New |
| Zeno Research, LLC | 20,461 | $454.0K | 0.44% | +20,461 | New |
| Wellington Management Group LLP | 20,132 | $447.0K | 0.00% | +20,132 | New |
| Pentwater Capital Management LP | 20,000 | $444.0K | 0.01% | −47,300−70.3% | Reduced |
| Stifel Financial Corp | 18,546 | $412.0K | 0.00% | −9,135−33.0% | Reduced |
| Rhumbline Advisers | 15,544 | $345.0K | 0.00% | +1,299+9.1% | Added |
| New York State Common Retirement Fund | 13,644 | $303.0K | 0.00% | +7,644+127.4% | Added |
| LPL Financial LLC | 12,658 | $281.0K | 0.00% | +12,658 | New |
| Manufacturers Life Insurance Company, The | 11,492 | $255.0K | 0.00% | +11,492 | New |
| American Trust | 11,422 | $254.0K | 0.02% | +11,422 | New |
| Susquehanna International Group, LLP | 10,973 | $244.0K | 0.00% | +10,973 | New |
| Wells Fargo & Company | 10,715 | $238.0K | 0.00% | +9,922+1,251.2% | Added |
| Spouting Rock Asset Management, LLC | 10,583 | $235.0K | 0.18% | +10,583 | New |
| Deutsche Bank AG | 10,308 | $229.0K | 0.00% | +546+5.6% | Added |
| American International Group, Inc. | 9,211 | $205.0K | 0.00% | −81−0.9% | Reduced |
| California State Teachers Retirement System | 9,173 | $204.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 7,262 | $161.0K | 0.00% | +7,262 | New |
| Tower Research Capital LLC (TRC) | 7,128 | $159.0K | 0.00% | +6,570+1,177.4% | Added |
| MetLife Investment Management | 6,925 | $153.8K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 5,239 | $116.4K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 4,458 | $99.0K | 0.00% | +2,520+130.0% | Added |
| Royal Bank of Canada | 3,917 | $87.0K | 0.00% | +2,421+161.8% | Added |
| STRS Ohio | 3,900 | $86.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,540 | $34.0K | 0.00% | −58,206−97.4% | Reduced |
| Ameritas Investment Partners, Inc. | 1,301 | $29.0K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 1,138 | $25.0K | 0.00% | +1,138 | New |
| Leonteq Securities AG | 1,058 | $23.5K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 611 | $13.0K | 0.00% | +243+66.0% | Added |
| US Bancorp | 232 | $5.00K | 0.00% | +232 | New |
| TCI Wealth Advisors, Inc. | 193 | $4.00K | 0.00% | +193 | New |
| Captrust Financial Advisors | 64 | $1.00K | 0.00% | +64 | New |
| Invesco Ltd. | 0 | $0 | 0.00% | −679,617−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −96,269−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −94,745−100.0% | Sold out |
| Rokos Capital Management LLP | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −51,531−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −29,513−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −11,331−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −11,219−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −8,158−100.0% | Sold out |
| Arkadios Wealth Advisors | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| First Mercantile Trust Co | – | – | – | – | Not filed |