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 |
|---|---|---|---|---|---|
| Captrust Financial Advisors | 64 | $1.00K | 0.00% | +64 | New |
| TCI Wealth Advisors, Inc. | 193 | $4.00K | 0.00% | +193 | New |
| US Bancorp | 232 | $5.00K | 0.00% | +232 | New |
| Advisor Group Holdings, Inc. | 611 | $13.0K | 0.00% | +243+66.0% | Added |
| Leonteq Securities AG | 1,058 | $23.5K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 1,138 | $25.0K | 0.00% | +1,138 | New |
| Ameritas Investment Partners, Inc. | 1,301 | $29.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,540 | $34.0K | 0.00% | −58,206−97.4% | Reduced |
| STRS Ohio | 3,900 | $86.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 3,917 | $87.0K | 0.00% | +2,421+161.8% | Added |
| Citigroup Inc | 4,458 | $99.0K | 0.00% | +2,520+130.0% | Added |
| Metropolitan Life Insurance Co | 5,239 | $116.4K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 6,925 | $153.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 7,128 | $159.0K | 0.00% | +6,570+1,177.4% | Added |
| UBS Group AG | 7,262 | $161.0K | 0.00% | +7,262 | New |
| California State Teachers Retirement System | 9,173 | $204.0K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 9,211 | $205.0K | 0.00% | −81−0.9% | Reduced |
| Deutsche Bank AG | 10,308 | $229.0K | 0.00% | +546+5.6% | Added |
| Spouting Rock Asset Management, LLC | 10,583 | $235.0K | 0.18% | +10,583 | New |
| Wells Fargo & Company | 10,715 | $238.0K | 0.00% | +9,922+1,251.2% | Added |
| Susquehanna International Group, LLP | 10,973 | $244.0K | 0.00% | +10,973 | New |
| American Trust | 11,422 | $254.0K | 0.02% | +11,422 | New |
| Manufacturers Life Insurance Company, The | 11,492 | $255.0K | 0.00% | +11,492 | New |
| LPL Financial LLC | 12,658 | $281.0K | 0.00% | +12,658 | New |
| New York State Common Retirement Fund | 13,644 | $303.0K | 0.00% | +7,644+127.4% | Added |
| Rhumbline Advisers | 15,544 | $345.0K | 0.00% | +1,299+9.1% | Added |
| Stifel Financial Corp | 18,546 | $412.0K | 0.00% | −9,135−33.0% | Reduced |
| Pentwater Capital Management LP | 20,000 | $444.0K | 0.01% | −47,300−70.3% | Reduced |
| Wellington Management Group LLP | 20,132 | $447.0K | 0.00% | +20,132 | New |
| Zeno Research, LLC | 20,461 | $454.0K | 0.44% | +20,461 | New |
| Panagora Asset Management Inc | 20,618 | $458.0K | 0.00% | +20,618 | New |
| 1623 Capital LLC | 22,441 | $498.0K | 0.19% | +22,441 | New |
| TownSquare Capital, LLC | 25,788 | $573.0K | 0.01% | +14,061+119.9% | Added |
| Prudential Financial Inc | 29,170 | $648.0K | 0.00% | +29,170 | New |
| Renaissance Technologies LLC | 30,219 | $671.0K | 0.00% | +30,219 | New |
| JPMorgan Chase & Co | 30,904 | $686.0K | 0.00% | +24,650+394.1% | Added |
| Engineers Gate Manager LP | 32,700 | $726.0K | 0.03% | +5,798+21.6% | Added |
| Morgan Stanley | 33,362 | $740.0K | 0.00% | +21,745+187.2% | Added |
| Jane Street Group, LLC | 36,102 | $802.0K | 0.00% | +36,102 | New |
| Squarepoint Ops LLC | 42,877 | $952.0K | 0.00% | +2,377+5.9% | Added |
| Laurion Capital Management LP | 46,600 | $1.03M | 0.02% | 00.0% | Unchanged |
| SEI Investments Co | 49,939 | $1.11M | 0.00% | +49,939 | New |
| Bank of New York Mellon Corp | 50,335 | $1.12M | 0.00% | +8,522+20.4% | Added |
| EFG Asset Management (North America) Corp. | 55,089 | $1.22M | 0.16% | +55,089 | New |
| Goldman Sachs Group Inc | 61,471 | $1.36M | 0.00% | +2,783+4.7% | Added |
| PDT Partners, LLC | 64,399 | $1.43M | 0.11% | +64,399 | New |
| Liontrust Investment Partners LLP | 75,000 | $1.67M | 0.02% | +5,000+7.1% | Added |
| Nuveen Asset Management, LLC | 86,821 | $1.70M | 0.00% | +3,292+3.9% | Added |
| Charles Schwab Investment Management Inc | 112,749 | $2.50M | 0.00% | +2,781+2.5% | Added |
| Russell Investments Group, Ltd. | 113,444 | $2.52M | 0.00% | +59,729+111.2% | Added |
| D. E. Shaw & Co., Inc. | 132,984 | $2.95M | 0.00% | +122,060+1,117.4% | Added |
| Thames Capital Management LLC | 135,851 | $3.02M | 0.58% | 00.0% | Unchanged |
| Bank of America Corp | 144,256 | $3.20M | 0.00% | +59,689+70.6% | Added |
| Northern Trust Corp | 149,069 | $3.31M | 0.00% | −980−0.7% | Reduced |
| Ghisallo Capital Management LLC | 150,000 | $3.33M | 0.17% | −122,000−44.9% | Reduced |
| Bank of Montreal | 144,841 | $3.33M | 0.00% | +54,226+59.8% | Added |
| Millennium Management LLC | 164,876 | $3.66M | 0.00% | −70,149−29.8% | Reduced |
| Calamos Advisors LLC | 170,538 | $3.79M | 0.02% | +93,197+120.5% | Added |
| Blackstone Group Inc. | 200,000 | $4.44M | 0.01% | −50,000−20.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 250,000 | $5.55M | 0.01% | +122,332+95.8% | Added |
| Lisanti Capital Growth, LLC | 270,785 | $6.01M | 0.87% | +60,335+28.7% | Added |
| State Street Corp | 283,665 | $6.30M | 0.00% | +104,711+58.5% | Added |
| G2 Investment Partners Management LLC | 373,297 | $8.29M | 1.43% | +348,297+1,393.2% | Added |
| Geode Capital Management, LLC | 387,477 | $8.61M | 0.00% | +56,007+16.9% | Added |
| Schonfeld Strategic Advisors LLC | 488,900 | $10.9M | 0.11% | −217,400−30.8% | Reduced |
| Clearbridge Investments, LLC | 565,857 | $12.6M | 0.01% | +565,857 | New |
| Stony Point Capital LLC | 575,608 | $12.8M | 2.39% | +163,610+39.7% | Added |
| Frontier Capital Management Co LLC | 827,015 | $18.4M | 0.15% | +398,419+93.0% | Added |
| BlackRock Inc. | 1,089,910 | $24.2M | 0.00% | −26,952−2.4% | Reduced |
| FMR LLC | 1,105,928 | $24.6M | 0.00% | −6,346−0.6% | Reduced |
| Price T Rowe Associates Inc | 1,177,300 | $26.1M | 0.00% | −25,984−2.2% | Reduced |
| Indaba Capital Management, L.P. | 1,188,298 | $26.4M | 2.83% | −288,165−19.5% | Reduced |
| Vanguard Group Inc | 1,916,830 | $42.6M | 0.00% | +53,954+2.9% | Added |
| Lord, Abbett & Co. LLC | 2,339,783 | $52.0M | 0.12% | +2,339,783 | New |
| TimesSquare Capital Management, LLC | 2,474,389 | $55.0M | 0.49% | +499,379+25.3% | Added |
| Shelter Haven Capital Management, L.P. | 3,134,350 | $69.6M | 19.82% | −252,656−7.5% | Reduced |
| August Capital Management VI, L.L.C. | 6,285,864 | $139.6M | 94.02% | +6,285,864 | New |
| Sapphire Ventures, L.L.C. | 8,876,555 | $197.1M | 17.88% | −1,209,480−12.0% | Reduced |
| Atlas Venture Advisors, Inc. | 22,722,771 | $504.7M | 70.13% | +10.0% | Added |
| Vista Equity Partners Management, LLC | 94,380,001 | $2.10B | 16.01% | +10.0% | Added |
| 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 |