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, Q4 2024
Institutional positions in Integral Ad Science Holding Corp. as of Dec 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
- 165
- −4 vs. Q3 2024
- Shares held
- 157.1M
- +1.86M (+1.2%) vs. Q3 2024
- Total value
- $1.64B
- −$38.0M (−2.3%) vs. Q3 2024
- New holders
- 38
- 53 more added
- Sold out
- 42
- 57 more reduced
3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vista Equity Partners Management, LLC | 65,010,001 | $678.7M | 40.44% | 00.0% | Unchanged |
| Atlas Venture Advisors, Inc. | 22,722,770 | $237.2M | 51.19% | 00.0% | Unchanged |
| Vanguard Group Inc | 9,048,546 | $94.5M | 0.00% | +205,562+2.3% | Added |
| Sunriver Management LLC | 7,291,034 | $76.1M | 9.11% | −350,432−4.6% | Reduced |
| BlackRock, Inc. | 6,039,473 | $63.1M | 0.00% | +34,084+0.6% | Added |
| P2 Capital Partners, LLC | 4,810,000 | $50.2M | 8.53% | −2,544,317−34.6% | Reduced |
| Alyeska Investment Group, L.P. | 3,979,205 | $41.5M | 0.16% | +3,979,205 | New |
| Dimensional Fund Advisors LP | 3,789,996 | $39.6M | 0.01% | +580,323+18.1% | Added |
| Clearbridge Investments, LLC | 2,729,420 | $28.5M | 0.02% | −187,007−6.4% | Reduced |
| Ararat Capital Management, LP | 2,281,912 | $23.8M | 9.51% | +269,346+13.4% | Added |
| TimesSquare Capital Management, LLC | 2,000,173 | $20.9M | 0.30% | −772,267−27.9% | Reduced |
| Rubric Capital Management LP | 1,973,870 | $20.6M | 0.37% | +1,973,870 | New |
| Nuveen Asset Management, LLC | 1,920,523 | $20.1M | 0.01% | +15,432+0.8% | Added |
| Geode Capital Management, LLC | 1,848,738 | $19.3M | 0.00% | +14,079+0.8% | Added |
| Standard Life Aberdeen plc | 1,770,827 | $18.5M | 0.03% | −376,829−17.5% | Reduced |
| State Street Corp | 1,590,057 | $16.6M | 0.00% | +15,424+1.0% | Added |
| Jacobs Levy Equity Management, Inc | 1,421,237 | $14.8M | 0.05% | −252,981−15.1% | Reduced |
| Ameriprise Financial Inc | 1,102,299 | $11.5M | 0.00% | −35,642−3.1% | Reduced |
| CenterBook Partners LP | 1,019,044 | $10.6M | 0.64% | +118,719+13.2% | Added |
| Frontier Capital Management Co LLC | 997,511 | $10.4M | 0.10% | −1,827−0.2% | Reduced |
| Invenomic Capital Management LP | 895,061 | $9.34M | 0.53% | +309,752+52.9% | Added |
| Citadel Advisors LLC | 706,343 | $7.37M | 0.01% | −353,886−33.4% | Reduced |
| Northern Trust Corp | 677,204 | $7.07M | 0.00% | +67,038+11.0% | Added |
| Charles Schwab Investment Management Inc | 603,848 | $6.30M | 0.00% | +7,941+1.3% | Added |
| Morgan Stanley | 577,732 | $6.03M | 0.00% | −324,687−36.0% | Reduced |
| Deutsche Bank AG | 531,664 | $5.55M | 0.00% | −16,577−3.0% | Reduced |
| Goldman Sachs Group Inc | 438,591 | $4.58M | 0.00% | +109,888+33.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 401,000 | $4.19M | 0.01% | +401,000 | New |
| Clearline Capital LP | 378,252 | $3.95M | 0.52% | +378,252 | New |
| UBS Group AG | 342,078 | $3.57M | 0.00% | +83,630+32.4% | Added |
| Bank of America Corp | 339,367 | $3.54M | 0.00% | −24,632−6.8% | Reduced |
| Atom Investors LP | 317,544 | $3.32M | 0.41% | −20,608−6.1% | Reduced |
| Rice Hall James & Associates, LLC | 314,129 | $3.28M | 0.18% | +148,082+89.2% | Added |
| Repertoire Partners LP | 284,707 | $2.97M | 6.41% | +129,707+83.7% | Added |
| JPMorgan Chase & Co | 266,327 | $2.78M | 0.00% | −451,201−62.9% | Reduced |
| Bank of New York Mellon Corp | 251,091 | $2.62M | 0.00% | +29,145+13.1% | Added |
| Janus Henderson Group PLC | 242,559 | $2.53M | 0.00% | −116,811−32.5% | Reduced |
| B. Riley Asset Management, LLC | 229,137 | $2.39M | 2.26% | −34,097−13.0% | Reduced |
| Renaissance Group LLC | 208,963 | $2.18M | 0.09% | +13,884+7.1% | Added |
| Renaissance Technologies LLC | 207,600 | $2.17M | 0.00% | +3,400+1.7% | Added |
| PDT Partners, LLC | 202,032 | $2.11M | 0.19% | −81,181−28.7% | Reduced |
| Herald Investment Management Ltd | 200,000 | $2.09M | 0.34% | 00.0% | Unchanged |
| Monimus Capital Management, LP | 193,482 | $2.02M | 1.90% | +193,482 | New |
| Horrell Capital Management, Inc. | 190,000 | $1.98M | 0.58% | +40,000+26.7% | Added |
| Circumference Group LLC | 190,000 | $1.98M | 1.85% | +40,000+26.7% | Added |
| Schonfeld Strategic Advisors LLC | 186,352 | $1.95M | 0.01% | +186,352 | New |
| First Trust Advisors LP | 171,378 | $1.79M | 0.00% | +128,056+295.6% | Added |
| one8zero8, LLC | 163,050 | $1.70M | 0.37% | +163,050 | New |
| Swiss National Bank | 158,700 | $1.66M | 0.00% | +18,100+12.9% | Added |
| UBS Asset Management Americas Inc | 155,010 | $1.62M | 0.00% | +46,395+42.7% | Added |
| Vestcor Inc | 150,000 | $1.57M | 0.05% | +150,000 | New |
| Barclays PLC | 142,137 | $1.48M | 0.00% | +14,404+11.3% | Added |
| Essex Investment Management Co LLC | 129,301 | $1.35M | 0.24% | −19,155−12.9% | Reduced |
| Boothbay Fund Management, LLC | 117,707 | $1.23M | 0.04% | −58,027−33.0% | Reduced |
| Franklin Resources Inc | 109,192 | $1.14M | 0.00% | −1,257−1.1% | Reduced |
| Qube Research & Technologies Ltd | 107,945 | $1.13M | 0.00% | −40,687−27.4% | Reduced |
| Rhumbline Advisers | 107,450 | $1.12M | 0.00% | −1,275−1.2% | Reduced |
| Clune & Associates, Ltd. | 99,324 | $1.04M | 0.34% | +99,324 | New |
| Russell Investments Group, Ltd. | 94,143 | $982.9K | 0.00% | −29,928−24.1% | Reduced |
| Susquehanna International Group, LLP | 87,966 | $918.4K | 0.00% | −2,877−3.2% | Reduced |
| Wells Fargo & Company | 85,089 | $888.3K | 0.00% | +7,587+9.8% | Added |
| Legal & General Group Plc | 83,857 | $875.5K | 0.00% | +13,945+19.9% | Added |
| State Board of Administration of Florida Retirement System | 82,976 | $866.3K | 0.00% | +2,212+2.7% | Added |
| Algert Global LLC | 82,779 | $864.2K | 0.02% | −314,792−79.2% | Reduced |
| Quinn Opportunity Partners LLC | 80,000 | $835.2K | 0.06% | +80,000 | New |
| Militia Capital Partners, LP | 78,000 | $814.3K | 0.38% | +78,000 | New |
| Raymond James Financial Inc | 77,314 | $807.2K | 0.00% | +77,314 | New |
| Alliancebernstein L.P. | 76,580 | $799.5K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 74,874 | $781.7K | 0.00% | +6,564+9.6% | Added |
| Canada Pension Plan Investment Board | 72,000 | $751.7K | 0.00% | 00.0% | Unchanged |
| Eisler Capital Management Ltd. | 70,000 | $740.3K | 0.02% | +70,000 | New |
| Citigroup Inc | 66,526 | $694.5K | 0.00% | +13,402+25.2% | Added |
| Nine Masts Capital Ltd | 64,291 | $671.2K | 0.12% | +64,291 | New |
| Millennium Management LLC | 64,124 | $669.5K | 0.00% | +64,124 | New |
| Jennison Associates LLC | 63,538 | $663.3K | 0.00% | +2,046+3.3% | Added |
| Cantor Fitzgerald, L. P. | 61,000 | $636.8K | 0.02% | +61,000 | New |
| Tejara Capital Ltd | 60,000 | $626.4K | 0.41% | +60,000 | New |
| Highland Capital Management Fund Advisors, L.P. | 53,661 | $560.2K | 0.07% | +53,661 | New |
| AQR Capital Management LLC | 53,445 | $558.0K | 0.00% | −115,273−68.3% | Reduced |
| Invesco Ltd. | 50,544 | $527.7K | 0.00% | +7,229+16.7% | Added |
| Intech Investment Management LLC | 49,444 | $516.2K | 0.01% | +30,994+168.0% | Added |
| MetLife Investment Management | 44,921 | $469.0K | 0.00% | +4,123+10.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 41,519 | $433.5K | 0.00% | +1,832+4.6% | Added |
| Colony Group, LLC | 40,172 | $419.4K | 0.00% | −19,828−33.0% | Reduced |
| Legato Capital Management LLC | 38,725 | $404.3K | 0.05% | −12,163−23.9% | Reduced |
| Voya Investment Management LLC | 38,520 | $402.1K | 0.00% | −5,155−11.8% | Reduced |
| LMR Partners LLP | 38,079 | $397.5K | 0.01% | +38,079 | New |
| EntryPoint Capital, LLC | 37,083 | $387.1K | 0.16% | +37,083 | New |
| Manufacturers Life Insurance Company, The | 36,633 | $382.4K | 0.00% | −1,047−2.8% | Reduced |
| Corebridge Financial, Inc. | 36,288 | $378.8K | 0.00% | −2,352−6.1% | Reduced |
| State of Wisconsin Investment Board | 34,390 | $359.0K | 0.00% | +23,813+225.1% | Added |
| Victory Capital Management Inc | 32,880 | $343.3K | 0.00% | +2,695+8.9% | Added |
| Envestnet Asset Management Inc | 31,807 | $332.1K | 0.00% | +2,188+7.4% | Added |
| Thrivent Financial for Lutherans | 31,417 | $328.0K | 0.00% | −242,582−88.5% | Reduced |
| SG Americas Securities, LLC | 30,690 | $320.0K | 0.00% | −7,040−18.7% | Reduced |
| Harvest Management LLC | 30,000 | $313.2K | 0.16% | +30,000 | New |
| Price T Rowe Associates Inc | 27,997 | $293.0K | 0.00% | +4,099+17.2% | Added |
| Oppenheimer & Co Inc | 28,040 | $292.7K | 0.00% | +2,069+8.0% | Added |
| Stoneridge Investment Partners LLC | 27,808 | $290.0K | 0.10% | +16,208+139.7% | Added |
| Centiva Capital, LP | 25,000 | $261.0K | 0.01% | −11,881−32.2% | Reduced |