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, Q1 2025
Institutional positions in Integral Ad Science Holding Corp. as of Mar 31, 2025. 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
- 187
- +23 vs. Q4 2024
- Shares held
- 159.0M
- +3.86M (+2.5%) vs. Q4 2024
- Total value
- $1.28B
- −$338.1M (−20.9%) vs. Q4 2024
- New holders
- 50
- 54 more added
- Sold out
- 27
- 61 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Victory Capital Management Inc | 37,650 | $303.5K | 0.00% | +4,770+14.5% | Added |
| Pitcairn Co | 35,902 | $289.4K | 0.02% | +35,902 | New |
| Corebridge Financial, Inc. | 35,758 | $288.2K | 0.00% | −530−1.5% | Reduced |
| Caxton Associates LLP | 35,029 | $282.3K | 0.01% | +35,029 | New |
| State of Wisconsin Investment Board | 33,696 | $271.6K | 0.00% | −694−2.0% | Reduced |
| Price T Rowe Associates Inc | 32,030 | $259.0K | 0.00% | +4,033+14.4% | Added |
| Sherbrooke Park Advisers LLC | 30,814 | $248.4K | 0.12% | +18,210+144.5% | Added |
| Prelude Capital Management, LLC | 28,027 | $225.9K | 0.02% | +13,334+90.8% | Added |
| EP Wealth Advisors, LLC | 27,681 | $223.1K | 0.00% | +27,681 | New |
| Ronald Blue Trust, Inc. | 27,485 | $221.5K | 0.00% | +27,485 | New |
| Federated Hermes, Inc. | 27,000 | $217.6K | 0.00% | +7,000+35.0% | Added |
| Centiva Capital, LP | 25,000 | $201.5K | 0.01% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 24,600 | $198.3K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 23,798 | $191.8K | 0.00% | +22+0.1% | Added |
| Arizona State Retirement System | 23,310 | $187.9K | 0.00% | −94−0.4% | Reduced |
| LPL Financial LLC | 23,250 | $187.4K | 0.00% | −595−2.5% | Reduced |
| HSBC Holdings PLC | 20,354 | $165.1K | 0.00% | +20,354 | New |
| SG Americas Securities, LLC | 20,229 | $163.0K | 0.00% | −10,461−34.1% | Reduced |
| New York State Common Retirement Fund | 19,968 | $160.9K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 18,665 | $150.4K | 0.00% | +7,177+62.5% | Added |
| Marex Group plc | 18,000 | $145.1K | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 17,678 | $142.5K | 0.00% | −91,514−83.8% | Reduced |
| Diametric Capital, LP | 17,467 | $140.8K | 0.17% | +17,467 | New |
| Cornerstone Investment Partners, LLC | 16,497 | $133.0K | 0.01% | −1,444−8.0% | Reduced |
| CIBC World Markets Corp | 16,196 | $130.5K | 0.00% | +16,196 | New |
| ProShare Advisors LLC | 15,801 | $127.4K | 0.00% | −4,755−23.1% | Reduced |
| Aquatic Capital Management LLC | 15,720 | $126.7K | 0.00% | +15,720 | New |
| Handelsbanken Fonder AB | 15,500 | $125.0K | 0.00% | 00.0% | Unchanged |
| Corton Capital Inc. | 15,147 | $122.1K | 0.40% | +15,147 | New |
| Zuckerman Investment Group, LLC | 15,000 | $120.9K | 0.01% | +15,000 | New |
| XTX Topco Ltd | 14,845 | $119.7K | 0.01% | −1,664−10.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 14,716 | $118.6K | 0.00% | 00.0% | Unchanged |
| Point72 (DIFC) Ltd | 14,447 | $116.4K | 0.01% | +14,447 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,148 | $106.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 11,886 | $95.8K | 0.00% | +11,886 | New |
| Quest Partners LLC | 11,487 | $92.6K | 0.01% | +11,487 | New |
| Public Employees Retirement System of Ohio | 11,121 | $89.6K | 0.00% | −1,679−13.1% | Reduced |
| Virtu Financial LLC | 10,733 | $87.0K | 0.00% | +10,733 | New |
| Ameritas Investment Partners, Inc. | 6,724 | $54.2K | 0.00% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 5,161 | $51.0K | 0.00% | +5,161 | New |
| State of Wyoming | 5,433 | $43.8K | 0.01% | +530+10.8% | Added |
| FMR LLC | 4,799 | $38.7K | 0.00% | −606−11.2% | Reduced |
| Tower Research Capital LLC (TRC) | 4,296 | $34.6K | 0.00% | +2,904+208.6% | Added |
| Amalgamated Bank | 2,519 | $20.0K | 0.00% | +243+10.7% | Added |
| Lindbrook Capital, LLC | 2,423 | $19.5K | 0.00% | +15+0.6% | Added |
| The PNC Financial Services Group, Inc. | 2,360 | $19.0K | 0.00% | +2,156+1,056.9% | Added |
| NBC Securities, Inc. | 1,854 | $14.0K | 0.00% | +1,854 | New |
| Nisa Investment Advisors, LLC | 1,377 | $11.1K | 0.00% | −256−15.7% | Reduced |
| Umb Bank N A | 1,216 | $9.80K | 0.00% | +1,216 | New |
| Sterling Capital Management LLC | 1,121 | $9.04K | 0.00% | −931−45.4% | Reduced |
| Huntington National Bank | 942 | $7.59K | 0.00% | +941+94,100.0% | Added |
| Point72 Hong Kong Ltd | 795 | $6.41K | 0.00% | +795 | New |
| Comerica Bank | 627 | $5.05K | 0.00% | −627−50.0% | Reduced |
| CWM, LLC | 669 | $5.00K | 0.00% | −1,607−70.6% | Reduced |
| Aster Capital Management (DIFC) Ltd | 470 | $4.94K | 0.00% | +470 | New |
| Quarry LP | 580 | $4.67K | 0.00% | +580 | New |
| Parallel Advisors, LLC | 566 | $4.56K | 0.00% | +22+4.0% | Added |
| Coldstream Capital Management Inc | 532 | $4.29K | 0.00% | +532 | New |
| Simplex Trading, LLC | 497 | $4.00K | 0.00% | −654−56.8% | Reduced |
| GAMMA Investing LLC | 411 | $3.31K | 0.00% | −101−19.7% | Reduced |
| Signaturefd, LLC | 393 | $3.17K | 0.00% | −125−24.1% | Reduced |
| Advisor Group Holdings, Inc. | 352 | $2.84K | 0.00% | +1+0.3% | Added |
| IFP Advisors, Inc | 299 | $2.43K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 275 | $2.27K | 0.00% | −1−0.4% | Reduced |
| Versant Capital Management, Inc | 233 | $1.88K | 0.00% | −689−74.7% | Reduced |
| Trust Co of Vermont | 207 | $1.67K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 180 | $1.19K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 135 | $1.09K | 0.00% | +50+58.8% | Added |
| First Horizon Advisors, Inc. | 130 | $1.05K | 0.00% | +130 | New |
| Northwestern Mutual Wealth Management Co | 93 | $750 | 0.00% | +66+244.4% | Added |
| Farther Finance Advisors, LLC | 85 | $686 | 0.00% | −1−1.2% | Reduced |
| Quadrant Capital Group LLC | 83 | $669 | 0.00% | −858−91.2% | Reduced |
| SBI Securities Co., Ltd. | 83 | $669 | 0.00% | −22−21.0% | Reduced |
| Private Wealth Management Group, LLC | 50 | $403 | 0.00% | 00.0% | Unchanged |
| Asset Dedication, LLC | 50 | $403 | 0.00% | +50 | New |
| JFS Wealth Advisors, LLC | 36 | $291 | 0.00% | +34+1,700.0% | Added |
| Skopos Labs, Inc. | 34 | $275 | 0.00% | +34 | New |
| Fifth Third Bancorp | 27 | $218 | 0.00% | −25−48.1% | Reduced |
| SJS Investment Consulting Inc. | 18 | $146 | 0.00% | +12+200.0% | Added |
| EverSource Wealth Advisors, LLC | 15 | $121 | 0.00% | −19−55.9% | Reduced |
| Allworth Financial LP | 13 | $90 | 0.00% | −102−88.7% | Reduced |
| Global Financial Private Client, LLC | 4 | $32 | 0.00% | +2+100.0% | Added |
| DiNuzzo Private Wealth, Inc. | 1 | $9 | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 1 | $9 | 0.00% | +1 | New |
| Parkworth Wealth Management, Inc. | 1 | $8 | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 14 | $0 | 0.00% | +3+27.3% | Added |
| Covestor Ltd | 10 | $0 | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 0 | $0 | 0.00% | −2,525−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −3,979,205−100.0% | Sold out |
| Clearline Capital LP | 0 | $0 | 0.00% | −378,252−100.0% | Sold out |
| Renaissance Group LLC | 0 | $0 | 0.00% | −208,963−100.0% | Sold out |
| Herald Investment Management Ltd | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Horrell Capital Management, Inc. | 0 | $0 | 0.00% | −190,000−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −117,707−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −82,779−100.0% | Sold out |
| Militia Capital Partners, LP | 0 | $0 | 0.00% | −78,000−100.0% | Sold out |
| Eisler Capital Management Ltd. | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Nine Masts Capital Ltd | 0 | $0 | 0.00% | −64,291−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −61,000−100.0% | Sold out |