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, Q3 2021
Institutional positions in Integral Ad Science Holding Corp. as of Sep 30, 2021. 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
- 70
- 0 vs. Q2 2021
- Shares held
- 145.1M
- +1.17M (+0.8%) vs. Q2 2021
- Total value
- $2.99B
- +$32.1M (+1.1%) vs. Q2 2021
- New holders
- 35
- 16 more added
- Sold out
- 35
- 12 more reduced
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vista Equity Partners Management, LLC | 94,380,000 | $1.95B | 18.81% | 00.0% | Unchanged |
| Atlas Venture Advisors, Inc. | 22,722,770 | $468.8M | 55.51% | 00.0% | Unchanged |
| Sapphire Ventures, L.L.C. | 10,086,035 | $208.1M | 16.24% | 00.0% | Unchanged |
| Shelter Haven Capital Management, L.P. | 3,387,006 | $69.9M | 22.21% | +2,069,705+157.1% | Added |
| TimesSquare Capital Management, LLC | 1,975,010 | $40.7M | 0.36% | +525,010+36.2% | Added |
| Vanguard Group Inc | 1,862,876 | $38.4M | 0.00% | +1,764,282+1,789.4% | Added |
| Indaba Capital Management, L.P. | 1,476,463 | $30.5M | 3.51% | +113,447+8.3% | Added |
| Price T Rowe Associates Inc | 1,203,284 | $24.8M | 0.00% | +203,284+20.3% | Added |
| BlackRock Inc. | 1,116,862 | $23.0M | 0.00% | +866,862+346.7% | Added |
| FMR LLC | 1,112,274 | $22.9M | 0.00% | +8,174+0.7% | Added |
| Schonfeld Strategic Advisors LLC | 706,300 | $14.6M | 0.17% | +56,300+8.7% | Added |
| Invesco Ltd. | 679,617 | $14.0M | 0.00% | +679,617 | New |
| Frontier Capital Management Co LLC | 428,596 | $8.84M | 0.07% | +28,596+7.1% | Added |
| Stony Point Capital LLC | 411,998 | $8.50M | 2.33% | +11,998+3.0% | Added |
| Geode Capital Management, LLC | 331,470 | $6.84M | 0.00% | +226,470+215.7% | Added |
| Ghisallo Capital Management LLC | 272,000 | $5.61M | 0.21% | 00.0% | Unchanged |
| Blackstone Group Inc. | 250,000 | $5.16M | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 235,025 | $4.85M | 0.01% | −177,432−43.0% | Reduced |
| Lisanti Capital Growth, LLC | 210,450 | $4.34M | 0.64% | +210,450 | New |
| State Street Corp | 178,954 | $3.69M | 0.00% | +178,954 | New |
| Caas Capital Management LP | 150,000 | $3.10M | 0.23% | 00.0% | Unchanged |
| Northern Trust Corp | 150,049 | $3.10M | 0.00% | +121,855+432.2% | Added |
| Thames Capital Management LLC | 135,851 | $2.80M | 0.61% | +135,851 | New |
| Adage Capital Partners GP, L.L.C. | 127,668 | $2.63M | 0.01% | −572,332−81.8% | Reduced |
| Charles Schwab Investment Management Inc | 109,968 | $2.27M | 0.00% | +109,968 | New |
| Tudor Investment Corp Et Al | 96,269 | $1.99M | 0.04% | −102,264−51.5% | Reduced |
| Citadel Advisors LLC | 94,745 | $1.96M | 0.00% | −419,292−81.6% | Reduced |
| Bank of Montreal | 90,615 | $1.94M | 0.00% | +90,615 | New |
| Bank of America Corp | 84,567 | $1.75M | 0.00% | +84,567 | New |
| Nuveen Asset Management, LLC | 83,529 | $1.72M | 0.00% | +83,529 | New |
| Calamos Advisors LLC | 77,341 | $1.60M | 0.01% | −48,196−38.4% | Reduced |
| Rokos Capital Management LLP | 75,000 | $1.57M | 0.24% | −75,000−50.0% | Reduced |
| Liontrust Investment Partners LLP | 70,000 | $1.44M | 0.02% | +70,000 | New |
| Pentwater Capital Management LP | 67,300 | $1.39M | 0.02% | +23,389+53.3% | Added |
| Legal & General Group Plc | 59,746 | $1.23M | 0.00% | +39,746+198.7% | Added |
| Goldman Sachs Group Inc | 58,688 | $1.21M | 0.00% | +2,388+4.2% | Added |
| Russell Investments Group, Ltd. | 53,715 | $1.11M | 0.00% | +53,715 | New |
| Woodline Partners LP | 51,531 | $1.06M | 0.02% | +16,528+47.2% | Added |
| Laurion Capital Management LP | 46,600 | $961.0K | 0.01% | −3,400−6.8% | Reduced |
| Bank of New York Mellon Corp | 41,813 | $863.0K | 0.00% | +41,813 | New |
| Squarepoint Ops LLC | 40,500 | $836.0K | 0.01% | −20,000−33.1% | Reduced |
| Teacher Retirement System of Texas | 40,000 | $825.0K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 29,513 | $609.0K | 0.01% | −50,787−63.2% | Reduced |
| Stifel Financial Corp | 27,681 | $571.0K | 0.00% | +27,681 | New |
| Engineers Gate Manager LP | 26,902 | $555.0K | 0.03% | +26,902 | New |
| G2 Investment Partners Management LLC | 25,000 | $516.0K | 0.09% | +25,000 | New |
| Rhumbline Advisers | 14,245 | $294.0K | 0.00% | +14,245 | New |
| TownSquare Capital, LLC | 11,727 | $242.0K | 0.01% | +11,727 | New |
| Morgan Stanley | 11,617 | $240.0K | 0.00% | −21,936−65.4% | Reduced |
| Cubist Systematic Strategies, LLC | 11,331 | $234.0K | 0.00% | +11,331 | New |
| Acadian Asset Management LLC | 11,219 | $230.0K | 0.00% | +11,219 | New |
| D. E. Shaw & Co., Inc. | 10,924 | $225.0K | 0.00% | +10,924 | New |
| Deutsche Bank AG | 9,762 | $201.0K | 0.00% | +9,762 | New |
| American International Group, Inc. | 9,292 | $192.0K | 0.00% | +9,292 | New |
| California State Teachers Retirement System | 9,173 | $189.0K | 0.00% | +9,173 | New |
| First Mercantile Trust Co | 8,709 | $180.0K | 0.02% | +8,709 | New |
| SG Americas Securities, LLC | 8,158 | $168.0K | 0.00% | +8,158 | New |
| MetLife Investment Management | 6,925 | $142.9K | 0.00% | +6,925 | New |
| JPMorgan Chase & Co | 6,254 | $129.0K | 0.00% | −93,746−93.7% | Reduced |
| New York State Common Retirement Fund | 6,000 | $124.0K | 0.00% | +6,000 | New |
| Metropolitan Life Insurance Co | 5,239 | $108.1K | 0.00% | +5,239 | New |
| STRS Ohio | 3,900 | $80.0K | 0.00% | +3,900 | New |
| Citigroup Inc | 1,938 | $40.0K | 0.00% | +1,938 | New |
| Royal Bank of Canada | 1,496 | $31.0K | 0.00% | +1,496 | New |
| Ameritas Investment Partners, Inc. | 1,301 | $27.0K | 0.00% | +1,301 | New |
| Leonteq Securities AG | 1,058 | $21.8K | 0.00% | +1,058 | New |
| Arkadios Wealth Advisors | 1,000 | $20.0K | 0.00% | +1,000 | New |
| Wells Fargo & Company | 793 | $16.0K | 0.00% | +793 | New |
| Tower Research Capital LLC (TRC) | 558 | $12.0K | 0.00% | +558 | New |
| Advisor Group Holdings, Inc. | 368 | $8.00K | 0.00% | −132−26.4% | Reduced |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −668,260−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −606,305−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −603,903−100.0% | Sold out |
| Ion Asset Management Ltd. | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Islet Management, LP | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −350,000−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −235,700−100.0% | Sold out |
| TCW Group Inc | 0 | $0 | 0.00% | −230,000−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −220,000−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Element Capital Management LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −145,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Hound Partners, LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −38,772−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −30,319−100.0% | Sold out |
| American Financial Group Inc | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Symmetry Investments LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Waratah Capital Advisors Ltd. | 0 | $0 | 0.00% | −15,145−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| BlueCrest Capital Management Ltd | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |