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 |
|---|---|---|---|---|---|
| Vista Equity Partners Management, LLC | 65,010,001 | $648.1M | 17.34% | −1,650,000−2.5% | Reduced |
| Atlas Venture Advisors, Inc. | 22,722,770 | $226.5M | 45.08% | 00.0% | Unchanged |
| Vanguard Group Inc | 8,673,229 | $86.5M | 0.00% | +566,982+7.0% | Added |
| Sunriver Management LLC | 6,969,607 | $69.5M | 9.08% | +4,494,322+181.6% | Added |
| BlackRock Inc. | 5,433,359 | $54.2M | 0.00% | +992,569+22.4% | Added |
| Clearbridge Investments, LLC | 3,906,652 | $38.9M | 0.03% | +412,044+11.8% | Added |
| Dimensional Fund Advisors LP | 3,230,398 | $32.2M | 0.01% | +853,126+35.9% | Added |
| TimesSquare Capital Management, LLC | 2,969,278 | $29.6M | 0.43% | +268,310+9.9% | Added |
| P2 Capital Partners, LLC | 2,680,000 | $26.7M | 3.16% | +1,905,600+246.1% | Added |
| CenterBook Partners LP | 1,955,076 | $19.5M | 1.35% | +1,607,554+462.6% | Added |
| Nuveen Asset Management, LLC | 1,942,694 | $19.4M | 0.01% | +172,115+9.7% | Added |
| Standard Life Aberdeen plc | 1,702,568 | $17.0M | 0.03% | −54,546−3.1% | Reduced |
| Geode Capital Management, LLC | 1,594,585 | $15.9M | 0.00% | +253,426+18.9% | Added |
| Aperture Investors, LLC | 1,590,456 | $15.9M | 2.03% | +506,376+46.7% | Added |
| State Street Corp | 1,429,054 | $14.2M | 0.00% | +275,637+23.9% | Added |
| Jacobs Levy Equity Management, Inc | 1,246,556 | $12.4M | 0.06% | +55,844+4.7% | Added |
| Millennium Management LLC | 1,104,398 | $11.0M | 0.01% | −3,948,576−78.1% | Reduced |
| Citadel Advisors LLC | 1,035,085 | $10.3M | 0.01% | −189,439−15.5% | Reduced |
| Frontier Capital Management Co LLC | 1,016,029 | $10.1M | 0.09% | +162,970+19.1% | Added |
| Morgan Stanley | 787,370 | $7.85M | 0.00% | −792,250−50.2% | Reduced |
| Two Sigma Advisers, LP | 685,000 | $6.83M | 0.02% | −206,100−23.1% | Reduced |
| British Columbia Investment Management Corp | 617,500 | $6.16M | 0.04% | +115,000+22.9% | Added |
| Northern Trust Corp | 595,211 | $5.93M | 0.00% | +110,760+22.9% | Added |
| Thrivent Financial for Lutherans | 585,326 | $5.83M | 0.01% | −39,037−6.3% | Reduced |
| Charles Schwab Investment Management Inc | 533,999 | $5.32M | 0.00% | +44,181+9.0% | Added |
| Bank of America Corp | 531,787 | $5.30M | 0.00% | +176,337+49.6% | Added |
| Deutsche Bank AG | 530,356 | $5.29M | 0.00% | +9,216+1.8% | Added |
| Concentric Capital Strategies, LP | 434,348 | $4.33M | 0.28% | +434,348 | New |
| Algert Global LLC | 418,874 | $4.18M | 0.16% | +213,101+103.6% | Added |
| Squarepoint Ops LLC | 397,765 | $3.97M | 0.02% | +324,399+442.2% | Added |
| Qube Research & Technologies Ltd | 377,867 | $3.77M | 0.01% | −7,342−1.9% | Reduced |
| JPMorgan Chase & Co | 366,574 | $3.65M | 0.00% | +88,634+31.9% | Added |
| Scalar Gauge Management, LLC | 362,769 | $3.62M | 2.79% | +362,769 | New |
| Jupiter Asset Management Ltd | 326,677 | $3.26M | 0.03% | +326,677 | New |
| Goldman Sachs Group Inc | 301,470 | $3.01M | 0.00% | −2,438,541−89.0% | Reduced |
| Susquehanna International Group, LLP | 252,639 | $2.52M | 0.00% | +235,775+1,398.1% | Added |
| Ghisallo Capital Management LLC | 250,000 | $2.49M | 0.28% | +166,341+198.8% | Added |
| Barclays PLC | 243,061 | $2.42M | 0.00% | +53,288+28.1% | Added |
| B. Riley Asset Management, LLC | 239,078 | $2.38M | 0.95% | +239,078 | New |
| Allianz Asset Management GmbH | 235,334 | $2.35M | 0.00% | +27,212+13.1% | Added |
| Two Sigma Investments, LP | 231,734 | $2.31M | 0.01% | −540,231−70.0% | Reduced |
| Bank of New York Mellon Corp | 210,895 | $2.10M | 0.00% | +18,601+9.7% | Added |
| Tudor Investment Corp Et Al | 209,864 | $2.09M | 0.03% | +172,212+457.4% | Added |
| Crestwood Capital Management, L.P. | 200,000 | $1.99M | 1.23% | +200,000 | New |
| Herald Investment Management Ltd | 200,000 | $1.99M | 0.32% | +200,000 | New |
| Trexquant Investment LP | 180,987 | $1.80M | 0.04% | +180,987 | New |
| Dark Forest Capital Management LP | 177,858 | $1.77M | 0.30% | +177,858 | New |
| Renaissance Group LLC | 165,305 | $1.65M | 0.06% | +165,305 | New |
| Janus Henderson Group PLC | 162,596 | $1.62M | 0.00% | +142,915+726.2% | Added |
| Marshall Wace, LLP | 158,308 | $1.58M | 0.00% | +85,411+117.2% | Added |
| J. Goldman & Co LP | 156,954 | $1.56M | 0.07% | +156,954 | New |
| ExodusPoint Capital Management, LP | 154,080 | $1.54M | 0.02% | +98,999+179.7% | Added |
| UBS Group AG | 147,210 | $1.47M | 0.00% | +9,967+7.3% | Added |
| Boothbay Fund Management, LLC | 144,189 | $1.44M | 0.04% | +144,189 | New |
| Swiss National Bank | 140,600 | $1.40M | 0.00% | +32,600+30.2% | Added |
| First Trust Advisors LP | 129,408 | $1.29M | 0.00% | +33,705+35.2% | Added |
| Russell Investments Group, Ltd. | 127,561 | $1.27M | 0.00% | −88,485−41.0% | Reduced |
| Ameriprise Financial Inc | 116,048 | $1.16M | 0.00% | −2,241−1.9% | Reduced |
| Gratus Capital LLC | 110,040 | $1.10M | 0.05% | +110,040 | New |
| Franklin Resources Inc | 99,662 | $993.6K | 0.00% | +81,631+452.7% | Added |
| HarbourVest Partners LLC | 91,779 | $915.0K | 0.42% | 00.0% | Unchanged |
| Credit Suisse AG | 89,809 | $895.4K | 0.00% | +16,247+22.1% | Added |
| Voloridge Investment Management, LLC | 75,573 | $753.5K | 0.00% | +30,817+68.9% | Added |
| Rhumbline Advisers | 75,552 | $753.2K | 0.00% | +15,086+24.9% | Added |
| Nebula Research & Development LLC | 73,906 | $736.8K | 0.16% | −14,163−16.1% | Reduced |
| UBS Asset Management Americas Inc | 73,349 | $731.3K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 72,988 | $727.7K | 0.00% | +40,343+123.6% | Added |
| Canada Pension Plan Investment Board | 72,000 | $717.8K | 0.00% | −93,000−56.4% | Reduced |
| California State Teachers Retirement System | 70,832 | $706.2K | 0.00% | +13,997+24.6% | Added |
| Formula Growth Ltd | 70,000 | $697.9K | 0.22% | +70,000 | New |
| Man Group plc | 68,790 | $685.8K | 0.00% | −264,239−79.3% | Reduced |
| Legal & General Group Plc | 67,368 | $671.6K | 0.00% | +14,890+28.4% | Added |
| Renaissance Technologies LLC | 64,800 | $646.0K | 0.00% | −413,900−86.5% | Reduced |
| Kodai Capital Management LP | 64,456 | $642.6K | 0.02% | +64,456 | New |
| Raymond James & Associates | 59,422 | $592.4K | 0.00% | +18,887+46.6% | Added |
| STRS Ohio | 59,400 | $592.0K | 0.00% | +21,600+57.1% | Added |
| III Capital Management | 59,327 | $591.5K | 0.03% | +59,327 | New |
| PDT Partners, LLC | 58,194 | $580.2K | 0.05% | −24,194−29.4% | Reduced |
| Bank of Montreal | 55,927 | $563.7K | 0.00% | +32,869+142.5% | Added |
| Principal Financial Group Inc | 55,919 | $557.5K | 0.00% | +38,376+218.8% | Added |
| Jane Street Group, LLC | 53,107 | $529.5K | 0.00% | −118,695−69.1% | Reduced |
| Alliancebernstein L.P. | 51,000 | $508.5K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 50,862 | $507.1K | 0.01% | −21,115−29.3% | Reduced |
| Envestnet Asset Management Inc | 47,407 | $472.6K | 0.00% | −4,392−8.5% | Reduced |
| Senvest Management, LLC | 46,840 | $467.0K | 0.02% | +46,840 | New |
| Atom Investors LP | 46,026 | $458.9K | 0.06% | +46,026 | New |
| Quantbot Technologies LP | 42,826 | $427.0K | 0.02% | −16,448−27.7% | Reduced |
| Invesco Ltd. | 42,742 | $426.1K | 0.00% | −32,528−43.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 30,568 | $410.5K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 39,281 | $392.0K | 0.03% | +39,281 | New |
| Prelude Capital Management, LLC | 38,124 | $380.1K | 0.03% | +21,979+136.1% | Added |
| HSBC Holdings PLC | 37,754 | $376.4K | 0.00% | +10,152+36.8% | Added |
| Voya Investment Management LLC | 36,838 | $367.3K | 0.00% | −140,215−79.2% | Reduced |
| MetLife Investment Management | 35,334 | $352.3K | 0.00% | +9,537+37.0% | Added |
| Pearl River Capital, LLC | 35,310 | $352.0K | 0.06% | +35,310 | New |
| American International Group, Inc. | 33,228 | $331.3K | 0.00% | +9,092+37.7% | Added |
| Capstone Investment Advisors, LLC | 32,713 | $326.1K | 0.01% | +32,713 | New |
| Manufacturers Life Insurance Company, The | 32,064 | $319.7K | 0.00% | +6,948+27.7% | Added |
| Sherbrooke Park Advisers LLC | 31,047 | $309.5K | 0.06% | +31,047 | New |
| Dynamic Technology Lab Private Ltd | 30,832 | $308.0K | 0.03% | −20,420−39.8% | Reduced |