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 |
|---|---|---|---|---|---|
| State of Wisconsin Investment Board | 69,672 | $579.0K | 0.00% | +35,976+106.8% | Added |
| First Trust Advisors LP | 70,600 | $586.7K | 0.00% | −45,659−39.3% | Reduced |
| Canada Pension Plan Investment Board | 72,000 | $598.3K | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 72,138 | $599.5K | 0.00% | +20,378+39.4% | Added |
| Envestnet Asset Management Inc | 72,857 | $605.4K | 0.00% | −11,614−13.7% | Reduced |
| California State Teachers Retirement System | 74,874 | $622.2K | 0.00% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 75,983 | $631.4K | 0.01% | +75,983 | New |
| Alliancebernstein L.P. | 76,580 | $636.4K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 79,024 | $656.7K | 0.00% | +11,145+16.4% | Added |
| Legal & General Group Plc | 88,135 | $732.4K | 0.00% | −612−0.7% | Reduced |
| Jupiter Asset Management Ltd | 88,272 | $733.5K | 0.01% | +88,272 | New |
| AQR Capital Management LLC | 94,085 | $781.8K | 0.00% | +53,396+131.2% | Added |
| HSBC Holdings PLC | 97,212 | $801.9K | 0.00% | +76,858+377.6% | Added |
| Clune & Associates, Ltd. | 97,290 | $808.5K | 0.22% | +22,886+30.8% | Added |
| Manatuck Hill Partners, LLC | 100,000 | $831.0K | 0.31% | +100,000 | New |
| Janney Montgomery Scott LLC | 101,124 | $840.0K | 0.00% | +101,124 | New |
| OP Asset Management Ltd | 107,123 | $890.2K | 0.01% | +25,472+31.2% | Added |
| Verition Fund Management LLC | 110,535 | $918.5K | 0.01% | −42,028−27.5% | Reduced |
| Dana Investment Advisors, Inc. | 111,577 | $927.2K | 0.03% | +4,633+4.3% | Added |
| Royal Bank of Canada | 112,096 | $932.0K | 0.00% | +56,155+100.4% | Added |
| Man Group plc | 117,229 | $974.2K | 0.00% | +117,229 | New |
| Two Sigma Investments, LP | 119,500 | $993.0K | 0.00% | +119,500 | New |
| Invesco Ltd. | 132,129 | $1.10M | 0.00% | +32,197+32.2% | Added |
| American Century Companies Inc | 132,463 | $1.10M | 0.00% | +44,207+50.1% | Added |
| Rhumbline Advisers | 145,235 | $1.21M | 0.00% | +43,572+42.9% | Added |
| Victory Capital Management Inc | 153,446 | $1.28M | 0.00% | +115,796+307.6% | Added |
| Swiss National Bank | 158,700 | $1.32M | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 164,250 | $1.36M | 0.03% | +164,250 | New |
| HRT Financial LP | 170,208 | $1.41M | 0.01% | +170,208 | New |
| Qube Research & Technologies Ltd | 183,655 | $1.53M | 0.00% | −126,377−40.8% | Reduced |
| Susquehanna International Group, LLP | 186,773 | $1.55M | 0.00% | +13,408+7.7% | Added |
| UBS Asset Management Americas Inc | 195,579 | $1.63M | 0.00% | +75,879+63.4% | Added |
| one8zero8, LLC | 209,425 | $1.74M | 0.41% | +22,375+12.0% | Added |
| Renaissance Technologies LLC | 232,300 | $1.93M | 0.00% | −207,700−47.2% | Reduced |
| Quinn Opportunity Partners LLC | 260,000 | $2.16M | 0.19% | +95,000+57.6% | Added |
| Bank of New York Mellon Corp | 292,037 | $2.43M | 0.00% | +958+0.3% | Added |
| Rice Hall James & Associates, LLC | 293,156 | $2.44M | 0.13% | +57,944+24.6% | Added |
| UBS Group AG | 304,539 | $2.53M | 0.00% | +149,209+96.1% | Added |
| Barclays PLC | 318,987 | $2.65M | 0.00% | +184,601+137.4% | Added |
| Goldman Sachs Group Inc | 320,420 | $2.66M | 0.00% | −68,673−17.6% | Reduced |
| Circumference Group LLC | 350,000 | $2.91M | 3.02% | +140,000+66.7% | Added |
| Deutsche Bank AG | 492,825 | $4.10M | 0.00% | −32,871−6.3% | Reduced |
| Clearline Capital LP | 515,284 | $4.28M | 0.38% | +515,284 | New |
| Grizzlyrock Capital, LLC | 523,139 | $4.35M | 3.27% | +523,139 | New |
| Morgan Stanley | 555,330 | $4.61M | 0.00% | −30,239−5.2% | Reduced |
| Charles Schwab Investment Management Inc | 616,114 | $5.12M | 0.00% | +27,219+4.6% | Added |
| Bank of America Corp | 639,093 | $5.31M | 0.00% | +106,656+20.0% | Added |
| Monimus Capital Management, LP | 665,465 | $5.53M | 4.44% | +178,094+36.5% | Added |
| Northern Trust Corp | 811,398 | $6.74M | 0.00% | +122,224+17.7% | Added |
| Frontier Capital Management Co LLC | 822,643 | $6.84M | 0.06% | −144,813−15.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,035,774 | $8.61M | 0.03% | −342,485−24.8% | Reduced |
| Ameriprise Financial Inc | 1,254,049 | $10.4M | 0.00% | +1,157,220+1,195.1% | Added |
| Invenomic Capital Management LP | 1,580,066 | $13.1M | 0.75% | −69,917−4.2% | Reduced |
| State Street Corp | 1,609,128 | $13.4M | 0.00% | +46,396+3.0% | Added |
| CenterBook Partners LP | 1,716,602 | $14.3M | 0.79% | +1,064,722+163.3% | Added |
| Standard Life Aberdeen plc | 1,764,731 | $14.7M | 0.02% | −230,249−11.5% | Reduced |
| Alta Fox Capital Management, LLC | 1,800,090 | $15.0M | 4.07% | +586,037+48.3% | Added |
| Nuveen, LLC | 1,855,612 | $15.4M | 0.00% | +503,584+37.2% | Added |
| Geode Capital Management, LLC | 1,915,385 | $15.9M | 0.00% | +26,503+1.4% | Added |
| Ararat Capital Management, LP | 2,156,154 | $17.9M | 8.13% | +566,320+35.6% | Added |
| Clearbridge Investments, LLC | 2,325,232 | $19.3M | 0.02% | −185,284−7.4% | Reduced |
| Corvex Management LP | 2,618,000 | $21.8M | 0.92% | 00.0% | Unchanged |
| Rubric Capital Management LP | 2,971,951 | $24.7M | 0.40% | −194,998−6.2% | Reduced |
| P2 Capital Partners, LLC | 4,910,000 | $40.8M | 8.22% | +100,000+2.1% | Added |
| Dimensional Fund Advisors LP | 5,406,393 | $44.9M | 0.01% | +966,646+21.8% | Added |
| BlackRock, Inc. | 6,667,605 | $55.4M | 0.00% | +663,535+11.1% | Added |
| Sunriver Management LLC | 8,822,914 | $73.3M | 7.86% | +656,140+8.0% | Added |
| Vanguard Group Inc | 9,255,897 | $76.9M | 0.00% | +165,668+1.8% | Added |
| Atlas Venture Advisors, Inc. | 22,722,770 | $188.8M | 44.51% | 00.0% | Unchanged |
| Vista Equity Partners Management, LLC | 65,010,001 | $540.2M | 55.60% | 00.0% | Unchanged |
| TimesSquare Capital Management, LLC | 0 | $0 | 0.00% | −1,719,863−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −923,168−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −496,400−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −406,770−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −246,590−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −225,000−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −167,575−100.0% | Sold out |
| Inflection Point Investments LLP | 0 | $0 | 0.00% | −156,899−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −134,922−100.0% | Sold out |
| Essex Investment Management Co LLC | 0 | $0 | 0.00% | −128,408−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −107,327−100.0% | Sold out |
| Tejara Capital Ltd | 0 | $0 | 0.00% | −99,854−100.0% | Sold out |
| Semanteon Capital Management, LP | 0 | $0 | 0.00% | −94,662−100.0% | Sold out |
| B. Riley Asset Management, LLC | 0 | $0 | 0.00% | −83,930−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −79,423−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −76,373−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −76,155−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −74,787−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −58,100−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −58,002−100.0% | Sold out |
| Repertoire Partners LP | 0 | $0 | 0.00% | −49,301−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −47,687−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −38,239−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −35,758−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −35,029−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −17,467−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −16,497−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −16,196−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −15,720−100.0% | Sold out |