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 |
|---|---|---|---|---|---|
| Citigroup Inc | 29,469 | $424.1K | 0.00% | +13,660+86.4% | Added |
| HSBC Holdings PLC | 27,602 | $400.6K | 0.00% | +27,602 | New |
| MetLife Investment Management | 25,797 | $371.2K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 25,116 | $361.4K | 0.00% | +1,281+5.4% | Added |
| Robeco Institutional Asset Management B.V. | 24,628 | $354.4K | 0.00% | −18,060−42.3% | Reduced |
| American International Group, Inc. | 24,136 | $347.3K | 0.00% | +233+1.0% | Added |
| Bank of Montreal | 23,058 | $340.1K | 0.00% | −200−0.9% | Reduced |
| Truist Financial Corp | 22,872 | $329.1K | 0.00% | +4,676+25.7% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 21,900 | $315.1K | 0.00% | +17,000+346.9% | Added |
| Victory Capital Management Inc | 21,469 | $308.9K | 0.00% | −22,911−51.6% | Reduced |
| Fifth Third Bancorp | 21,444 | $308.6K | 0.00% | +5,515+34.6% | Added |
| Aquatic Capital Management LLC | 20,500 | $295.0K | 0.01% | +8,400+69.4% | Added |
| Schonfeld Strategic Advisors LLC | 20,500 | $295.0K | 0.00% | −13,800−40.2% | Reduced |
| Petrus Trust Company, LTA | 20,064 | $288.7K | 0.03% | 00.0% | Unchanged |
| Legato Capital Management LLC | 19,720 | $283.8K | 0.04% | +19,720 | New |
| Janus Henderson Group PLC | 19,681 | $283.3K | 0.00% | −33−0.2% | Reduced |
| Franklin Resources Inc | 18,031 | $259.5K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 17,543 | $252.4K | 0.00% | +3,724+26.9% | Added |
| Bayesian Capital Management, LP | 17,300 | $248.9K | 0.03% | +5,700+49.1% | Added |
| Fox Run Management, L.L.C. | 17,243 | $248.1K | 0.06% | +17,243 | New |
| Susquehanna International Group, LLP | 16,864 | $242.7K | 0.00% | −216,312−92.8% | Reduced |
| Verition Fund Management LLC | 16,704 | $240.4K | 0.00% | +16,704 | New |
| New York State Common Retirement Fund | 16,313 | $234.7K | 0.00% | +132+0.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 16,238 | $233.7K | 0.02% | −32,592−66.7% | Reduced |
| Prelude Capital Management, LLC | 16,145 | $232.3K | 0.02% | −7,515−31.8% | Reduced |
| Royal Bank of Canada | 16,148 | $232.0K | 0.00% | +9,990+162.2% | Added |
| Osterweis Capital Management Inc | 15,850 | $228.1K | 0.01% | 00.0% | Unchanged |
| TownSquare Capital, LLC | 15,398 | $221.6K | 0.00% | −7,264−32.1% | Reduced |
| Arizona State Retirement System | 15,327 | $220.6K | 0.00% | −112−0.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 14,901 | $214.4K | 0.00% | +14,901 | New |
| Richelieu Gestion PLC | 14,446 | $208.0K | 0.19% | 00.0% | Unchanged |
| M&T Bank Corp | 14,430 | $207.3K | 0.00% | +770+5.6% | Added |
| State Board of Administration of Florida Retirement System | 13,670 | $196.7K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,148 | $189.2K | 0.00% | −788−5.7% | Reduced |
| Price T Rowe Associates Inc | 12,337 | $178.0K | 0.00% | +1,550+14.4% | Added |
| Vontobel Holding Ltd. | 12,200 | $175.6K | 0.00% | +12,200 | New |
| Mariner, LLC | 12,170 | $175.1K | 0.00% | +12,170 | New |
| American Trust | 11,646 | $167.6K | 0.01% | −1,682−12.6% | Reduced |
| Virtu Financial LLC | 11,569 | $166.0K | 0.01% | +11,569 | New |
| Pinnacle Wealth Planning Services, Inc. | 11,508 | $165.6K | 0.03% | 00.0% | Unchanged |
| Simplex Trading, LLC | 11,070 | $159.0K | 0.00% | +2,542+29.8% | Added |
| Tower Research Capital LLC (TRC) | 10,216 | $147.0K | 0.00% | +8,311+436.3% | Added |
| EntryPoint Capital, LLC | 7,804 | $112.3K | 0.11% | +7,804 | New |
| Amalgamated Bank | 6,888 | $99.0K | 0.00% | −63−0.9% | Reduced |
| Covestor Ltd | 6,887 | $99.0K | 0.07% | +2,458+55.5% | Added |
| FMR LLC | 5,378 | $77.4K | 0.00% | +1,459+37.2% | Added |
| DekaBank Deutsche Girozentrale | 5,161 | $75.0K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 5,161 | $74.0K | 0.00% | −9,480−64.7% | Reduced |
| Ameritas Investment Partners, Inc. | 4,800 | $69.1K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,847 | $41.0K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 2,023 | $29.1K | 0.00% | −28−1.4% | Reduced |
| Advisor Group Holdings, Inc. | 1,878 | $27.0K | 0.00% | −674−26.4% | Reduced |
| Quadrant Capital Group LLC | 1,509 | $21.7K | 0.00% | +470+45.2% | Added |
| Coppell Advisory Solutions LLC | 1,498 | $21.6K | 0.00% | +1,498 | New |
| Signaturefd, LLC | 1,218 | $17.5K | 0.00% | −90−6.9% | Reduced |
| The PNC Financial Services Group, Inc. | 867 | $12.5K | 0.00% | −23−2.6% | Reduced |
| Parallel Advisors, LLC | 778 | $11.2K | 0.00% | +11+1.4% | Added |
| Comerica Bank | 520 | $7.47K | 0.00% | +17+3.4% | Added |
| Macroview Investment Management LLC | 516 | $7.43K | 0.01% | +516 | New |
| US Bancorp | 507 | $7.30K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 496 | $7.14K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 399 | $5.74K | 0.00% | +164+69.8% | Added |
| Quest Partners LLC | 223 | $3.21K | 0.00% | +223 | New |
| Global Retirement Partners, LLC | 210 | $3.06K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 199 | $3.00K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 100 | $1.44K | 0.00% | +65+185.7% | Added |
| Nisa Investment Advisors, LLC | 77 | $1.11K | 0.00% | −1,310−94.4% | Reduced |
| Private Wealth Management Group, LLC | 50 | $720 | 0.00% | +50 | New |
| GAMMA Investing LLC | 49 | $713 | 0.00% | +49 | New |
| Allworth Financial LP | 39 | $562 | 0.00% | −10−20.4% | Reduced |
| JFS Wealth Advisors, LLC | 25 | $360 | 0.00% | +22+733.3% | Added |
| SJS Investment Consulting Inc. | 7 | $101 | 0.00% | +1+16.7% | Added |
| DiNuzzo Private Wealth, Inc. | 6 | $87 | 0.00% | +6 | New |
| 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 |