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, Q1 2024
Institutional positions in Integral Ad Science Holding Corp. as of Mar 31, 2024. 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
- 166
- −5 vs. Q4 2023
- Shares held
- 151.2M
- −187.2K (−0.1%) vs. Q4 2023
- Total value
- $1.51B
- −$671.1M (−30.8%) vs. Q4 2023
- New holders
- 35
- 66 more added
- Sold out
- 40
- 48 more reduced
2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Asset Management Americas Inc | 73,349 | $731.3K | 0.00% | 00.0% | Unchanged |
| Nebula Research & Development LLC | 73,906 | $736.8K | 0.16% | −14,163−16.1% | Reduced |
| Rhumbline Advisers | 75,552 | $753.2K | 0.00% | +15,086+24.9% | Added |
| Voloridge Investment Management, LLC | 75,573 | $753.5K | 0.00% | +30,817+68.9% | Added |
| Credit Suisse AG | 89,809 | $895.4K | 0.00% | +16,247+22.1% | Added |
| HarbourVest Partners LLC | 91,779 | $915.0K | 0.42% | 00.0% | Unchanged |
| Franklin Resources Inc | 99,662 | $993.6K | 0.00% | +81,631+452.7% | Added |
| Gratus Capital LLC | 110,040 | $1.10M | 0.05% | +110,040 | New |
| Ameriprise Financial Inc | 116,048 | $1.16M | 0.00% | −2,241−1.9% | Reduced |
| Russell Investments Group, Ltd. | 127,561 | $1.27M | 0.00% | −88,485−41.0% | Reduced |
| First Trust Advisors LP | 129,408 | $1.29M | 0.00% | +33,705+35.2% | Added |
| Swiss National Bank | 140,600 | $1.40M | 0.00% | +32,600+30.2% | Added |
| Boothbay Fund Management, LLC | 144,189 | $1.44M | 0.04% | +144,189 | New |
| UBS Group AG | 147,210 | $1.47M | 0.00% | +9,967+7.3% | Added |
| ExodusPoint Capital Management, LP | 154,080 | $1.54M | 0.02% | +98,999+179.7% | Added |
| J. Goldman & Co LP | 156,954 | $1.56M | 0.07% | +156,954 | New |
| Marshall Wace, LLP | 158,308 | $1.58M | 0.00% | +85,411+117.2% | Added |
| Janus Henderson Group PLC | 162,596 | $1.62M | 0.00% | +142,915+726.2% | Added |
| Renaissance Group LLC | 165,305 | $1.65M | 0.06% | +165,305 | New |
| Dark Forest Capital Management LP | 177,858 | $1.77M | 0.30% | +177,858 | New |
| Trexquant Investment LP | 180,987 | $1.80M | 0.04% | +180,987 | New |
| Herald Investment Management Ltd | 200,000 | $1.99M | 0.32% | +200,000 | New |
| Crestwood Capital Management, L.P. | 200,000 | $1.99M | 1.23% | +200,000 | New |
| Tudor Investment Corp Et Al | 209,864 | $2.09M | 0.03% | +172,212+457.4% | Added |
| Bank of New York Mellon Corp | 210,895 | $2.10M | 0.00% | +18,601+9.7% | Added |
| Two Sigma Investments, LP | 231,734 | $2.31M | 0.01% | −540,231−70.0% | Reduced |
| Allianz Asset Management GmbH | 235,334 | $2.35M | 0.00% | +27,212+13.1% | Added |
| B. Riley Asset Management, LLC | 239,078 | $2.38M | 0.95% | +239,078 | New |
| Barclays PLC | 243,061 | $2.42M | 0.00% | +53,288+28.1% | Added |
| Ghisallo Capital Management LLC | 250,000 | $2.49M | 0.28% | +166,341+198.8% | Added |
| Susquehanna International Group, LLP | 252,639 | $2.52M | 0.00% | +235,775+1,398.1% | Added |
| Goldman Sachs Group Inc | 301,470 | $3.01M | 0.00% | −2,438,541−89.0% | Reduced |
| Jupiter Asset Management Ltd | 326,677 | $3.26M | 0.03% | +326,677 | New |
| Scalar Gauge Management, LLC | 362,769 | $3.62M | 2.79% | +362,769 | New |
| JPMorgan Chase & Co | 366,574 | $3.65M | 0.00% | +88,634+31.9% | Added |
| Qube Research & Technologies Ltd | 377,867 | $3.77M | 0.01% | −7,342−1.9% | Reduced |
| Squarepoint Ops LLC | 397,765 | $3.97M | 0.02% | +324,399+442.2% | Added |
| Algert Global LLC | 418,874 | $4.18M | 0.16% | +213,101+103.6% | Added |
| Concentric Capital Strategies, LP | 434,348 | $4.33M | 0.28% | +434,348 | New |
| Deutsche Bank AG | 530,356 | $5.29M | 0.00% | +9,216+1.8% | Added |
| Bank of America Corp | 531,787 | $5.30M | 0.00% | +176,337+49.6% | Added |
| Charles Schwab Investment Management Inc | 533,999 | $5.32M | 0.00% | +44,181+9.0% | Added |
| Thrivent Financial for Lutherans | 585,326 | $5.83M | 0.01% | −39,037−6.3% | Reduced |
| Northern Trust Corp | 595,211 | $5.93M | 0.00% | +110,760+22.9% | Added |
| British Columbia Investment Management Corp | 617,500 | $6.16M | 0.04% | +115,000+22.9% | Added |
| Two Sigma Advisers, LP | 685,000 | $6.83M | 0.02% | −206,100−23.1% | Reduced |
| Morgan Stanley | 787,370 | $7.85M | 0.00% | −792,250−50.2% | Reduced |
| Frontier Capital Management Co LLC | 1,016,029 | $10.1M | 0.09% | +162,970+19.1% | Added |
| Citadel Advisors LLC | 1,035,085 | $10.3M | 0.01% | −189,439−15.5% | Reduced |
| Millennium Management LLC | 1,104,398 | $11.0M | 0.01% | −3,948,576−78.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,246,556 | $12.4M | 0.06% | +55,844+4.7% | Added |
| State Street Corp | 1,429,054 | $14.2M | 0.00% | +275,637+23.9% | Added |
| Aperture Investors, LLC | 1,590,456 | $15.9M | 2.03% | +506,376+46.7% | Added |
| Geode Capital Management, LLC | 1,594,585 | $15.9M | 0.00% | +253,426+18.9% | Added |
| Standard Life Aberdeen plc | 1,702,568 | $17.0M | 0.03% | −54,546−3.1% | Reduced |
| Nuveen Asset Management, LLC | 1,942,694 | $19.4M | 0.01% | +172,115+9.7% | Added |
| CenterBook Partners LP | 1,955,076 | $19.5M | 1.35% | +1,607,554+462.6% | Added |
| P2 Capital Partners, LLC | 2,680,000 | $26.7M | 3.16% | +1,905,600+246.1% | Added |
| TimesSquare Capital Management, LLC | 2,969,278 | $29.6M | 0.43% | +268,310+9.9% | Added |
| Dimensional Fund Advisors LP | 3,230,398 | $32.2M | 0.01% | +853,126+35.9% | Added |
| Clearbridge Investments, LLC | 3,906,652 | $38.9M | 0.03% | +412,044+11.8% | Added |
| BlackRock Inc. | 5,433,359 | $54.2M | 0.00% | +992,569+22.4% | Added |
| Sunriver Management LLC | 6,969,607 | $69.5M | 9.08% | +4,494,322+181.6% | Added |
| Vanguard Group Inc | 8,673,229 | $86.5M | 0.00% | +566,982+7.0% | Added |
| Atlas Venture Advisors, Inc. | 22,722,770 | $226.5M | 45.08% | 00.0% | Unchanged |
| Vista Equity Partners Management, LLC | 65,010,001 | $648.1M | 17.34% | −1,650,000−2.5% | Reduced |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −2,726,947−100.0% | Sold out |
| Engle Capital Management, L.P. | 0 | $0 | 0.00% | −945,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −385,647−100.0% | Sold out |
| Granite Investment Partners, LLC | 0 | $0 | 0.00% | −379,268−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| iA Global Asset Management Inc. | 0 | $0 | 0.00% | −255,730−100.0% | Sold out |
| Rokos Capital Management LLP | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −219,509−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 0 | $0 | 0.00% | −180,400−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −169,410−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −140,427−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −123,444−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −97,213−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −85,105−100.0% | Sold out |
| Chartwell Investment Partners, LLC | 0 | $0 | 0.00% | −85,094−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −79,000−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −79,757−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −69,536−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −61,300−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −44,875−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −39,555−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −38,964−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −35,080−100.0% | Sold out |
| Mach-1 Financial Group, Inc. | 0 | $0 | 0.00% | −35,028−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −24,628−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −22,872−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −21,900−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −20,500−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −20,500−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −19,720−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −17,300−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −16,238−100.0% | Sold out |
| TownSquare Capital, LLC | 0 | $0 | 0.00% | −15,398−100.0% | Sold out |