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 2025
Institutional positions in Integral Ad Science Holding Corp. as of Sep 30, 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
- Institutional holders
- 171
- +3 vs. Q2 2025
- Shares held
- 162.3M
- +1.01M (+0.6%) vs. Q2 2025
- Total value
- $1.65B
- +$310.3M (+23.1%) vs. Q2 2025
- New holders
- 47
- 55 more added
- Sold out
- 44
- 48 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vista Equity Partners Management, LLC | 65,010,001 | $661.2M | 55.63% | 00.0% | Unchanged |
| Atlas Venture Advisors, Inc. | 22,722,770 | $231.1M | 52.79% | 00.0% | Unchanged |
| Vanguard Group Inc | 9,043,380 | $92.0M | 0.00% | −212,517−2.3% | Reduced |
| Sunriver Management LLC | 7,120,157 | $72.4M | 7.87% | −1,702,757−19.3% | Reduced |
| BlackRock, Inc. | 6,757,261 | $68.7M | 0.00% | +89,656+1.3% | Added |
| Dimensional Fund Advisors LP | 5,949,164 | $60.5M | 0.01% | +542,771+10.0% | Added |
| P2 Capital Partners, LLC | 4,830,805 | $49.1M | 10.09% | −79,195−1.6% | Reduced |
| Omni Event Management Ltd | 3,000,000 | $30.5M | 3.52% | +3,000,000 | New |
| Highland Capital Management Fund Advisors, L.P. | 2,683,061 | $27.3M | 2.43% | +2,683,061 | New |
| Glazer Capital, LLC | 2,096,797 | $21.3M | 0.72% | +2,096,797 | New |
| Vivaldi Asset Management, LLC | 2,088,796 | $21.2M | 1.37% | +2,088,796 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 1,990,000 | $20.2M | 0.32% | +1,990,000 | New |
| Geode Capital Management, LLC | 1,964,293 | $20.0M | 0.00% | +48,908+2.6% | Added |
| Verition Fund Management LLC | 1,948,970 | $19.8M | 0.11% | +1,838,435+1,663.2% | Added |
| State Street Corp | 1,643,118 | $16.7M | 0.00% | +33,990+2.1% | Added |
| Bank of America Corp | 1,394,507 | $14.2M | 0.00% | +755,414+118.2% | Added |
| Nuveen, LLC | 1,369,706 | $13.9M | 0.00% | −485,906−26.2% | Reduced |
| Balyasny Asset Management LLC | 1,166,530 | $11.9M | 0.02% | +1,166,530 | New |
| Water Island Capital LLC | 1,071,160 | $10.9M | 1.56% | +1,071,160 | New |
| Polar Asset Management Partners Inc. | 1,000,000 | $10.2M | 0.21% | +1,000,000 | New |
| CNH Partners LLC | 991,705 | $10.1M | 0.26% | +991,705 | New |
| Northern Trust Corp | 805,536 | $8.19M | 0.00% | −5,862−0.7% | Reduced |
| Dana Investment Advisors, Inc. | 793,740 | $8.07M | 0.24% | +682,163+611.4% | Added |
| Goldman Sachs Group Inc | 767,555 | $7.81M | 0.00% | +447,135+139.5% | Added |
| Ararat Capital Management, LP | 668,407 | $6.80M | 3.64% | −1,487,747−69.0% | Reduced |
| Alpine Associates Management Inc. | 641,140 | $6.52M | 0.40% | +641,140 | New |
| Charles Schwab Investment Management Inc | 637,495 | $6.48M | 0.00% | +21,381+3.5% | Added |
| Pacer Advisors, Inc. | 582,510 | $5.92M | 0.02% | +582,510 | New |
| UBS Group AG | 574,116 | $5.84M | 0.00% | +269,577+88.5% | Added |
| CenterBook Partners LP | 536,066 | $5.45M | 0.27% | −1,180,536−68.8% | Reduced |
| Qube Research & Technologies Ltd | 521,420 | $5.30M | 0.01% | +337,765+183.9% | Added |
| Morgan Stanley | 491,740 | $5.00M | 0.00% | −63,590−11.5% | Reduced |
| Barclays PLC | 477,908 | $4.86M | 0.00% | +158,921+49.8% | Added |
| Monimus Capital Management, LP | 464,110 | $4.72M | 3.51% | −201,355−30.3% | Reduced |
| Circumference Group LLC | 450,000 | $4.58M | 5.37% | +100,000+28.6% | Added |
| Clearline Capital LP | 419,221 | $4.26M | 0.37% | −96,063−18.6% | Reduced |
| Gabelli Funds LLC | 383,797 | $3.90M | 0.03% | +383,797 | New |
| Susquehanna International Group, LLP | 375,113 | $3.81M | 0.01% | +188,340+100.8% | Added |
| Gabelli & Co Investment Advisers, Inc. | 350,600 | $3.57M | 0.57% | +350,600 | New |
| Standard Life Aberdeen plc | 335,915 | $3.42M | 0.01% | −1,428,816−81.0% | Reduced |
| Millennium Management LLC | 333,892 | $3.40M | 0.00% | +333,892 | New |
| Bank of New York Mellon Corp | 297,019 | $3.02M | 0.00% | +4,982+1.7% | Added |
| SG Americas Securities, LLC | 273,467 | $2.78M | 0.01% | +238,406+680.0% | Added |
| Carmignac Gestion | 266,001 | $2.71M | 0.04% | +266,001 | New |
| Alliancebernstein L.P. | 257,920 | $2.62M | 0.00% | +181,340+236.8% | Added |
| JPMorgan Chase & Co | 244,469 | $2.49M | 0.00% | +165,445+209.4% | Added |
| Rice Hall James & Associates, LLC | 199,103 | $2.02M | 0.11% | −94,053−32.1% | Reduced |
| American Century Companies Inc | 173,871 | $1.77M | 0.00% | +41,408+31.3% | Added |
| Jane Street Group, LLC | 160,128 | $1.63M | 0.00% | +105,495+193.1% | Added |
| Invesco Ltd. | 159,611 | $1.62M | 0.00% | +27,482+20.8% | Added |
| Swiss National Bank | 158,700 | $1.61M | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 151,888 | $1.54M | 0.00% | +57,803+61.4% | Added |
| Victory Capital Management Inc | 147,573 | $1.50M | 0.00% | −5,873−3.8% | Reduced |
| First Trust Advisors LP | 146,573 | $1.49M | 0.00% | +75,973+107.6% | Added |
| Susquehanna Portfolio Strategies, LLC | 114,124 | $1.16M | 0.02% | +38,141+50.2% | Added |
| Rhumbline Advisers | 107,551 | $1.09M | 0.00% | −37,684−25.9% | Reduced |
| Janney Montgomery Scott LLC | 101,960 | $1.04M | 0.00% | +836+0.8% | Added |
| Quinn Opportunity Partners LLC | 100,000 | $1.02M | 0.07% | −160,000−61.5% | Reduced |
| UBS Asset Management Americas Inc | 96,703 | $983.5K | 0.00% | −98,876−50.6% | Reduced |
| Ameriprise Financial Inc | 89,214 | $907.3K | 0.00% | −1,164,835−92.9% | Reduced |
| Legal & General Group Plc | 88,135 | $896.3K | 0.00% | 00.0% | Unchanged |
| OP Asset Management Ltd | 83,815 | $852.4K | 0.01% | −23,308−21.8% | Reduced |
| Clune & Associates, Ltd. | 78,540 | $798.8K | 0.20% | −18,750−19.3% | Reduced |
| HSBC Holdings PLC | 78,117 | $794.8K | 0.00% | −19,095−19.6% | Reduced |
| Envestnet Asset Management Inc | 75,705 | $769.9K | 0.00% | +2,848+3.9% | Added |
| California State Teachers Retirement System | 74,877 | $761.5K | 0.00% | +30.0% | Added |
| Deutsche Bank AG | 72,477 | $737.1K | 0.00% | −420,348−85.3% | Reduced |
| Canada Pension Plan Investment Board | 72,000 | $732.2K | 0.00% | 00.0% | Unchanged |
| Morningstar Investment Management LLC | 71,712 | $729.0K | 0.03% | +71,712 | New |
| Wells Fargo & Company | 70,410 | $716.1K | 0.00% | +3,127+4.6% | Added |
| State of Wisconsin Investment Board | 69,672 | $708.6K | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 66,810 | $679.5K | 0.00% | +66,810 | New |
| Grizzlyrock Capital, LLC | 61,250 | $622.9K | 0.48% | −461,889−88.3% | Reduced |
| CastleKnight Management LP | 60,300 | $613.3K | 0.03% | +40,202+200.0% | Added |
| Two Sigma Investments, LP | 59,664 | $606.8K | 0.00% | −59,836−50.1% | Reduced |
| Principal Financial Group Inc | 54,443 | $553.7K | 0.00% | −9,790−15.2% | Reduced |
| Alps Advisors Inc | 54,280 | $552.0K | 0.00% | +13,510+33.1% | Added |
| Fifth Lane Capital, LP | 50,000 | $508.5K | 0.51% | +50,000 | New |
| LSV Asset Management | 48,500 | $493.0K | 0.00% | +48,500 | New |
| Walleye Capital LLC | 48,127 | $489.5K | 0.00% | +48,127 | New |
| Omers Administration Corp | 47,800 | $486.1K | 0.00% | +47,800 | New |
| Ronald Blue Trust, Inc. | 45,461 | $462.3K | 0.01% | +1,630+3.7% | Added |
| MetLife Investment Management | 44,048 | $448.0K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 43,393 | $441.3K | 0.01% | +43,393 | New |
| Virtu Financial LLC | 42,274 | $430.0K | 0.02% | +42,274 | New |
| ProShare Advisors LLC | 40,786 | $414.8K | 0.00% | +25,155+160.9% | Added |
| Quest Partners LLC | 40,513 | $412.0K | 0.03% | −25,757−38.9% | Reduced |
| Manufacturers Life Insurance Company, The | 40,047 | $407.3K | 0.00% | −1,631−3.9% | Reduced |
| Price T Rowe Associates Inc | 39,935 | $407.0K | 0.00% | +2,543+6.8% | Added |
| Prelude Capital Management, LLC | 39,985 | $406.6K | 0.03% | +11,776+41.7% | Added |
| Jain Global LLC | 36,500 | $371.2K | 0.00% | +36,500 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 35,795 | $364.0K | 0.00% | −6,468−15.3% | Reduced |
| Intech Investment Management LLC | 35,560 | $361.6K | 0.00% | −16,748−32.0% | Reduced |
| Teacher Retirement System of Texas | 34,919 | $355.1K | 0.00% | +21,294+156.3% | Added |
| Janus Henderson Group PLC | 34,000 | $345.9K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 33,858 | $344.0K | 0.00% | −78,238−69.8% | Reduced |
| LPL Financial LLC | 30,135 | $306.5K | 0.00% | +2,957+10.9% | Added |
| SEI Investments Co | 29,344 | $298.4K | 0.00% | −25,783−46.8% | Reduced |
| BNP Paribas Arbitrage, SA | 27,716 | $281.9K | 0.00% | −5,449−16.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,000 | $254.3K | 0.00% | +25,000 | New |