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 2025
Institutional positions in Integral Ad Science Holding Corp. as of Dec 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
IAS is no longer listed, and 13F filings after Q3 2025 list far fewer holders. See Q3 2025
- Institutional holders
- 2
- −168 vs. Q3 2025
- Shares held
- 330
- −162.3M (−100.0%) vs. Q3 2025
- Total value
- $3.41K
- −$1.65B (−100.0%) vs. Q3 2025
- New holders
- 0
- 1 more added
- Sold out
- 168
- 1 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 329 | $3.40K | 0.00% | +10+3.1% | Added |
| Huntington National Bank | 1 | $10 | 0.00% | −861−99.9% | Reduced |
| Vista Equity Partners Management, LLC | 0 | $0 | 0.00% | −65,010,001−100.0% | Sold out |
| Atlas Venture Advisors, Inc. | 0 | $0 | 0.00% | −22,722,770−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −9,043,380−100.0% | Sold out |
| Sunriver Management LLC | 0 | $0 | 0.00% | −7,120,157−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −6,757,261−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −5,949,164−100.0% | Sold out |
| P2 Capital Partners, LLC | 0 | $0 | 0.00% | −4,830,805−100.0% | Sold out |
| Omni Event Management Ltd | 0 | $0 | 0.00% | −3,000,000−100.0% | Sold out |
| Highland Capital Management Fund Advisors, L.P. | 0 | $0 | 0.00% | −2,683,061−100.0% | Sold out |
| Glazer Capital, LLC | 0 | $0 | 0.00% | −2,096,797−100.0% | Sold out |
| Vivaldi Asset Management, LLC | 0 | $0 | 0.00% | −2,088,796−100.0% | Sold out |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 0 | $0 | 0.00% | −1,990,000−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −1,964,293−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −1,948,970−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −1,643,118−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −1,394,507−100.0% | Sold out |
| Nuveen, LLC | 0 | $0 | 0.00% | −1,369,706−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −1,166,530−100.0% | Sold out |
| Water Island Capital LLC | 0 | $0 | 0.00% | −1,071,160−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −1,000,000−100.0% | Sold out |
| CNH Partners LLC | 0 | $0 | 0.00% | −991,705−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −805,536−100.0% | Sold out |
| Dana Investment Advisors, Inc. | 0 | $0 | 0.00% | −793,740−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −767,555−100.0% | Sold out |
| Ararat Capital Management, LP | 0 | $0 | 0.00% | −668,407−100.0% | Sold out |
| Alpine Associates Management Inc. | 0 | $0 | 0.00% | −641,140−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −637,495−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −582,510−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −574,116−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −536,066−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −521,420−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −491,740−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −477,908−100.0% | Sold out |
| Monimus Capital Management, LP | 0 | $0 | 0.00% | −464,110−100.0% | Sold out |
| Circumference Group LLC | 0 | $0 | 0.00% | −450,000−100.0% | Sold out |
| Clearline Capital LP | 0 | $0 | 0.00% | −419,221−100.0% | Sold out |
| Gabelli Funds LLC | 0 | $0 | 0.00% | −383,797−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −375,113−100.0% | Sold out |
| Gabelli & Co Investment Advisers, Inc. | 0 | $0 | 0.00% | −350,600−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −335,915−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −333,892−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −297,019−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −273,467−100.0% | Sold out |
| Carmignac Gestion | 0 | $0 | 0.00% | −266,001−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −257,920−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −244,469−100.0% | Sold out |
| Rice Hall James & Associates, LLC | 0 | $0 | 0.00% | −199,103−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −173,871−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −160,128−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −159,611−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −158,700−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −151,888−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −147,573−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −146,573−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −114,124−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −107,551−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −101,960−100.0% | Sold out |
| Quinn Opportunity Partners LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −96,703−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −89,214−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −88,135−100.0% | Sold out |
| OP Asset Management Ltd | 0 | $0 | 0.00% | −83,815−100.0% | Sold out |
| Clune & Associates, Ltd. | 0 | $0 | 0.00% | −78,540−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −78,117−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −75,705−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −74,877−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −72,477−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −72,000−100.0% | Sold out |
| Morningstar Investment Management LLC | 0 | $0 | 0.00% | −71,712−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −70,410−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −69,672−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −66,810−100.0% | Sold out |
| Grizzlyrock Capital, LLC | 0 | $0 | 0.00% | −61,250−100.0% | Sold out |
| CastleKnight Management LP | 0 | $0 | 0.00% | −60,300−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −59,664−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −54,443−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −54,280−100.0% | Sold out |
| Fifth Lane Capital, LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| LSV Asset Management | 0 | $0 | 0.00% | −48,500−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −48,127−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −47,800−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −45,461−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −44,048−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −43,393−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −42,274−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −40,786−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −40,513−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −40,047−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −39,935−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −39,985−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −36,500−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −35,795−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −35,560−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −34,919−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −34,000−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −33,858−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −30,135−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −29,344−100.0% | Sold out |