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, Q2 2025
Institutional positions in Integral Ad Science Holding Corp. as of Jun 30, 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
- 170
- −16 vs. Q1 2025
- Shares held
- 161.4M
- +2.40M (+1.5%) vs. Q1 2025
- Total value
- $1.34B
- +$59.6M (+4.7%) vs. Q1 2025
- New holders
- 36
- 72 more added
- Sold out
- 52
- 44 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vista Equity Partners Management, LLC | 65,010,001 | $540.2M | 55.60% | 00.0% | Unchanged |
| Atlas Venture Advisors, Inc. | 22,722,770 | $188.8M | 44.51% | 00.0% | Unchanged |
| Vanguard Group Inc | 9,255,897 | $76.9M | 0.00% | +165,668+1.8% | Added |
| Sunriver Management LLC | 8,822,914 | $73.3M | 7.86% | +656,140+8.0% | Added |
| BlackRock, Inc. | 6,667,605 | $55.4M | 0.00% | +663,535+11.1% | Added |
| Dimensional Fund Advisors LP | 5,406,393 | $44.9M | 0.01% | +966,646+21.8% | Added |
| P2 Capital Partners, LLC | 4,910,000 | $40.8M | 8.22% | +100,000+2.1% | Added |
| Rubric Capital Management LP | 2,971,951 | $24.7M | 0.40% | −194,998−6.2% | Reduced |
| Corvex Management LP | 2,618,000 | $21.8M | 0.92% | 00.0% | Unchanged |
| Clearbridge Investments, LLC | 2,325,232 | $19.3M | 0.02% | −185,284−7.4% | Reduced |
| Ararat Capital Management, LP | 2,156,154 | $17.9M | 8.13% | +566,320+35.6% | Added |
| Geode Capital Management, LLC | 1,915,385 | $15.9M | 0.00% | +26,503+1.4% | Added |
| Nuveen, LLC | 1,855,612 | $15.4M | 0.00% | +503,584+37.2% | Added |
| Alta Fox Capital Management, LLC | 1,800,090 | $15.0M | 4.07% | +586,037+48.3% | Added |
| Standard Life Aberdeen plc | 1,764,731 | $14.7M | 0.02% | −230,249−11.5% | Reduced |
| CenterBook Partners LP | 1,716,602 | $14.3M | 0.79% | +1,064,722+163.3% | Added |
| State Street Corp | 1,609,128 | $13.4M | 0.00% | +46,396+3.0% | Added |
| Invenomic Capital Management LP | 1,580,066 | $13.1M | 0.75% | −69,917−4.2% | Reduced |
| Ameriprise Financial Inc | 1,254,049 | $10.4M | 0.00% | +1,157,220+1,195.1% | Added |
| Jacobs Levy Equity Management, Inc | 1,035,774 | $8.61M | 0.03% | −342,485−24.8% | Reduced |
| Frontier Capital Management Co LLC | 822,643 | $6.84M | 0.06% | −144,813−15.0% | Reduced |
| Northern Trust Corp | 811,398 | $6.74M | 0.00% | +122,224+17.7% | Added |
| Monimus Capital Management, LP | 665,465 | $5.53M | 4.44% | +178,094+36.5% | Added |
| Bank of America Corp | 639,093 | $5.31M | 0.00% | +106,656+20.0% | Added |
| Charles Schwab Investment Management Inc | 616,114 | $5.12M | 0.00% | +27,219+4.6% | Added |
| Morgan Stanley | 555,330 | $4.61M | 0.00% | −30,239−5.2% | Reduced |
| Grizzlyrock Capital, LLC | 523,139 | $4.35M | 3.27% | +523,139 | New |
| Clearline Capital LP | 515,284 | $4.28M | 0.38% | +515,284 | New |
| Deutsche Bank AG | 492,825 | $4.10M | 0.00% | −32,871−6.3% | Reduced |
| Circumference Group LLC | 350,000 | $2.91M | 3.02% | +140,000+66.7% | Added |
| Goldman Sachs Group Inc | 320,420 | $2.66M | 0.00% | −68,673−17.6% | Reduced |
| Barclays PLC | 318,987 | $2.65M | 0.00% | +184,601+137.4% | Added |
| UBS Group AG | 304,539 | $2.53M | 0.00% | +149,209+96.1% | Added |
| Rice Hall James & Associates, LLC | 293,156 | $2.44M | 0.13% | +57,944+24.6% | Added |
| Bank of New York Mellon Corp | 292,037 | $2.43M | 0.00% | +958+0.3% | Added |
| Quinn Opportunity Partners LLC | 260,000 | $2.16M | 0.19% | +95,000+57.6% | Added |
| Renaissance Technologies LLC | 232,300 | $1.93M | 0.00% | −207,700−47.2% | Reduced |
| one8zero8, LLC | 209,425 | $1.74M | 0.41% | +22,375+12.0% | Added |
| UBS Asset Management Americas Inc | 195,579 | $1.63M | 0.00% | +75,879+63.4% | Added |
| Susquehanna International Group, LLP | 186,773 | $1.55M | 0.00% | +13,408+7.7% | Added |
| Qube Research & Technologies Ltd | 183,655 | $1.53M | 0.00% | −126,377−40.8% | Reduced |
| HRT Financial LP | 170,208 | $1.41M | 0.01% | +170,208 | New |
| Algert Global LLC | 164,250 | $1.36M | 0.03% | +164,250 | New |
| Swiss National Bank | 158,700 | $1.32M | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 153,446 | $1.28M | 0.00% | +115,796+307.6% | Added |
| Rhumbline Advisers | 145,235 | $1.21M | 0.00% | +43,572+42.9% | Added |
| American Century Companies Inc | 132,463 | $1.10M | 0.00% | +44,207+50.1% | Added |
| Invesco Ltd. | 132,129 | $1.10M | 0.00% | +32,197+32.2% | Added |
| Two Sigma Investments, LP | 119,500 | $993.0K | 0.00% | +119,500 | New |
| Man Group plc | 117,229 | $974.2K | 0.00% | +117,229 | New |
| Royal Bank of Canada | 112,096 | $932.0K | 0.00% | +56,155+100.4% | Added |
| Dana Investment Advisors, Inc. | 111,577 | $927.2K | 0.03% | +4,633+4.3% | Added |
| Verition Fund Management LLC | 110,535 | $918.5K | 0.01% | −42,028−27.5% | Reduced |
| OP Asset Management Ltd | 107,123 | $890.2K | 0.01% | +25,472+31.2% | Added |
| Janney Montgomery Scott LLC | 101,124 | $840.0K | 0.00% | +101,124 | New |
| Manatuck Hill Partners, LLC | 100,000 | $831.0K | 0.31% | +100,000 | New |
| Clune & Associates, Ltd. | 97,290 | $808.5K | 0.22% | +22,886+30.8% | Added |
| HSBC Holdings PLC | 97,212 | $801.9K | 0.00% | +76,858+377.6% | Added |
| AQR Capital Management LLC | 94,085 | $781.8K | 0.00% | +53,396+131.2% | Added |
| Jupiter Asset Management Ltd | 88,272 | $733.5K | 0.01% | +88,272 | New |
| Legal & General Group Plc | 88,135 | $732.4K | 0.00% | −612−0.7% | Reduced |
| JPMorgan Chase & Co | 79,024 | $656.7K | 0.00% | +11,145+16.4% | Added |
| Alliancebernstein L.P. | 76,580 | $636.4K | 0.00% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 75,983 | $631.4K | 0.01% | +75,983 | New |
| California State Teachers Retirement System | 74,874 | $622.2K | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 72,857 | $605.4K | 0.00% | −11,614−13.7% | Reduced |
| Bank of Montreal | 72,138 | $599.5K | 0.00% | +20,378+39.4% | Added |
| Canada Pension Plan Investment Board | 72,000 | $598.3K | 0.00% | 00.0% | Unchanged |
| First Trust Advisors LP | 70,600 | $586.7K | 0.00% | −45,659−39.3% | Reduced |
| State of Wisconsin Investment Board | 69,672 | $579.0K | 0.00% | +35,976+106.8% | Added |
| Washington Harbour Partners LP | 68,520 | $569.4K | 1.69% | −28,780−29.6% | Reduced |
| Wells Fargo & Company | 67,283 | $559.1K | 0.00% | +2,877+4.5% | Added |
| Quest Partners LLC | 66,270 | $550.7K | 0.05% | +54,783+476.9% | Added |
| Russell Investments Group, Ltd. | 65,589 | $545.0K | 0.00% | −26,839−29.0% | Reduced |
| Delphi Management Inc | 64,804 | $539.0K | 0.52% | +64,804 | New |
| Principal Financial Group Inc | 64,233 | $533.8K | 0.00% | +64,233 | New |
| Citadel Advisors LLC | 63,817 | $530.3K | 0.00% | −73,066−53.4% | Reduced |
| State Board of Administration of Florida Retirement System | 59,458 | $494.1K | 0.00% | +14,134+31.2% | Added |
| Raymond James Financial Inc | 59,310 | $492.9K | 0.00% | −8,863−13.0% | Reduced |
| Versor Investments LP | 56,100 | $466.2K | 0.08% | −7,500−11.8% | Reduced |
| SEI Investments Co | 55,127 | $458.1K | 0.00% | +55,127 | New |
| Jane Street Group, LLC | 54,633 | $454.0K | 0.00% | −191,796−77.8% | Reduced |
| Two Sigma Advisers, LP | 52,600 | $437.1K | 0.00% | +52,600 | New |
| Intech Investment Management LLC | 52,308 | $434.7K | 0.00% | −31,680−37.7% | Reduced |
| Readystate Asset Management LP | 50,685 | $421.2K | 0.02% | +50,685 | New |
| Voya Investment Management LLC | 47,096 | $391.4K | 0.00% | −185−0.4% | Reduced |
| Marshall Wace, LLP | 44,354 | $368.6K | 0.00% | −70,773−61.5% | Reduced |
| MetLife Investment Management | 44,048 | $366.0K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 43,831 | $364.2K | 0.00% | +16,346+59.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 42,263 | $351.2K | 0.00% | −1,063−2.5% | Reduced |
| Manufacturers Life Insurance Company, The | 41,678 | $346.3K | 0.00% | +1,195+3.0% | Added |
| Squarepoint Ops LLC | 40,902 | $339.9K | 0.00% | +40,902 | New |
| Alps Advisors Inc | 40,770 | $338.8K | 0.00% | +1,580+4.0% | Added |
| Citigroup Inc | 38,499 | $319.9K | 0.00% | −23,304−37.7% | Reduced |
| Price T Rowe Associates Inc | 37,392 | $311.0K | 0.00% | +5,362+16.7% | Added |
| Pitcairn Co | 35,942 | $298.7K | 0.02% | +40+0.1% | Added |
| SG Americas Securities, LLC | 35,061 | $291.0K | 0.00% | +14,832+73.3% | Added |
| Janus Henderson Group PLC | 34,000 | $282.4K | 0.00% | −207,285−85.9% | Reduced |
| BNP Paribas Arbitrage, SA | 33,165 | $275.6K | 0.00% | +14,500+77.7% | Added |
| Federated Hermes, Inc. | 30,000 | $249.3K | 0.00% | +3,000+11.1% | Added |