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 |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 368 | $8.00K | 0.00% | −132−26.4% | Reduced |
| Tower Research Capital LLC (TRC) | 558 | $12.0K | 0.00% | +558 | New |
| Wells Fargo & Company | 793 | $16.0K | 0.00% | +793 | New |
| Arkadios Wealth Advisors | 1,000 | $20.0K | 0.00% | +1,000 | New |
| Leonteq Securities AG | 1,058 | $21.8K | 0.00% | +1,058 | New |
| Ameritas Investment Partners, Inc. | 1,301 | $27.0K | 0.00% | +1,301 | New |
| Royal Bank of Canada | 1,496 | $31.0K | 0.00% | +1,496 | New |
| Citigroup Inc | 1,938 | $40.0K | 0.00% | +1,938 | New |
| STRS Ohio | 3,900 | $80.0K | 0.00% | +3,900 | New |
| Metropolitan Life Insurance Co | 5,239 | $108.1K | 0.00% | +5,239 | New |
| New York State Common Retirement Fund | 6,000 | $124.0K | 0.00% | +6,000 | New |
| JPMorgan Chase & Co | 6,254 | $129.0K | 0.00% | −93,746−93.7% | Reduced |
| MetLife Investment Management | 6,925 | $142.9K | 0.00% | +6,925 | New |
| SG Americas Securities, LLC | 8,158 | $168.0K | 0.00% | +8,158 | New |
| First Mercantile Trust Co | 8,709 | $180.0K | 0.02% | +8,709 | New |
| California State Teachers Retirement System | 9,173 | $189.0K | 0.00% | +9,173 | New |
| American International Group, Inc. | 9,292 | $192.0K | 0.00% | +9,292 | New |
| Deutsche Bank AG | 9,762 | $201.0K | 0.00% | +9,762 | New |
| D. E. Shaw & Co., Inc. | 10,924 | $225.0K | 0.00% | +10,924 | New |
| Acadian Asset Management LLC | 11,219 | $230.0K | 0.00% | +11,219 | New |
| Cubist Systematic Strategies, LLC | 11,331 | $234.0K | 0.00% | +11,331 | New |
| Morgan Stanley | 11,617 | $240.0K | 0.00% | −21,936−65.4% | Reduced |
| TownSquare Capital, LLC | 11,727 | $242.0K | 0.01% | +11,727 | New |
| Rhumbline Advisers | 14,245 | $294.0K | 0.00% | +14,245 | New |
| G2 Investment Partners Management LLC | 25,000 | $516.0K | 0.09% | +25,000 | New |
| Engineers Gate Manager LP | 26,902 | $555.0K | 0.03% | +26,902 | New |
| Stifel Financial Corp | 27,681 | $571.0K | 0.00% | +27,681 | New |
| ExodusPoint Capital Management, LP | 29,513 | $609.0K | 0.01% | −50,787−63.2% | Reduced |
| Teacher Retirement System of Texas | 40,000 | $825.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 40,500 | $836.0K | 0.01% | −20,000−33.1% | Reduced |
| Bank of New York Mellon Corp | 41,813 | $863.0K | 0.00% | +41,813 | New |
| Laurion Capital Management LP | 46,600 | $961.0K | 0.01% | −3,400−6.8% | Reduced |
| Woodline Partners LP | 51,531 | $1.06M | 0.02% | +16,528+47.2% | Added |
| Russell Investments Group, Ltd. | 53,715 | $1.11M | 0.00% | +53,715 | New |
| Goldman Sachs Group Inc | 58,688 | $1.21M | 0.00% | +2,388+4.2% | Added |
| Legal & General Group Plc | 59,746 | $1.23M | 0.00% | +39,746+198.7% | Added |
| Pentwater Capital Management LP | 67,300 | $1.39M | 0.02% | +23,389+53.3% | Added |
| Liontrust Investment Partners LLP | 70,000 | $1.44M | 0.02% | +70,000 | New |
| Rokos Capital Management LLP | 75,000 | $1.57M | 0.24% | −75,000−50.0% | Reduced |
| Calamos Advisors LLC | 77,341 | $1.60M | 0.01% | −48,196−38.4% | Reduced |
| Nuveen Asset Management, LLC | 83,529 | $1.72M | 0.00% | +83,529 | New |
| Bank of America Corp | 84,567 | $1.75M | 0.00% | +84,567 | New |
| Bank of Montreal | 90,615 | $1.94M | 0.00% | +90,615 | New |
| Citadel Advisors LLC | 94,745 | $1.96M | 0.00% | −419,292−81.6% | Reduced |
| Tudor Investment Corp Et Al | 96,269 | $1.99M | 0.04% | −102,264−51.5% | Reduced |
| Charles Schwab Investment Management Inc | 109,968 | $2.27M | 0.00% | +109,968 | New |
| Adage Capital Partners GP, L.L.C. | 127,668 | $2.63M | 0.01% | −572,332−81.8% | Reduced |
| Thames Capital Management LLC | 135,851 | $2.80M | 0.61% | +135,851 | 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 |
| State Street Corp | 178,954 | $3.69M | 0.00% | +178,954 | New |
| Lisanti Capital Growth, LLC | 210,450 | $4.34M | 0.64% | +210,450 | New |
| Millennium Management LLC | 235,025 | $4.85M | 0.01% | −177,432−43.0% | Reduced |
| Blackstone Group Inc. | 250,000 | $5.16M | 0.01% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 272,000 | $5.61M | 0.21% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 331,470 | $6.84M | 0.00% | +226,470+215.7% | Added |
| Stony Point Capital LLC | 411,998 | $8.50M | 2.33% | +11,998+3.0% | Added |
| Frontier Capital Management Co LLC | 428,596 | $8.84M | 0.07% | +28,596+7.1% | Added |
| Invesco Ltd. | 679,617 | $14.0M | 0.00% | +679,617 | New |
| Schonfeld Strategic Advisors LLC | 706,300 | $14.6M | 0.17% | +56,300+8.7% | Added |
| FMR LLC | 1,112,274 | $22.9M | 0.00% | +8,174+0.7% | Added |
| BlackRock Inc. | 1,116,862 | $23.0M | 0.00% | +866,862+346.7% | Added |
| Price T Rowe Associates Inc | 1,203,284 | $24.8M | 0.00% | +203,284+20.3% | Added |
| Indaba Capital Management, L.P. | 1,476,463 | $30.5M | 3.51% | +113,447+8.3% | Added |
| Vanguard Group Inc | 1,862,876 | $38.4M | 0.00% | +1,764,282+1,789.4% | Added |
| TimesSquare Capital Management, LLC | 1,975,010 | $40.7M | 0.36% | +525,010+36.2% | Added |
| Shelter Haven Capital Management, L.P. | 3,387,006 | $69.9M | 22.21% | +2,069,705+157.1% | Added |
| Sapphire Ventures, L.L.C. | 10,086,035 | $208.1M | 16.24% | 00.0% | Unchanged |
| Atlas Venture Advisors, Inc. | 22,722,770 | $468.8M | 55.51% | 00.0% | Unchanged |
| Vista Equity Partners Management, LLC | 94,380,000 | $1.95B | 18.81% | 00.0% | Unchanged |
| 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 |