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 |
|---|---|---|---|---|---|
| KLP Kapitalforvaltning AS | 24,600 | $256.8K | 0.00% | +24,600 | New |
| LPL Financial LLC | 23,845 | $248.9K | 0.00% | +729+3.2% | Added |
| US Bancorp | 23,776 | $248.2K | 0.00% | −12,000−33.5% | Reduced |
| Arizona State Retirement System | 23,404 | $244.3K | 0.00% | +2,601+12.5% | Added |
| ProShare Advisors LLC | 20,556 | $214.6K | 0.00% | +6,900+50.5% | Added |
| Federated Hermes, Inc. | 20,000 | $208.8K | 0.00% | −2,500−11.1% | Reduced |
| New York State Common Retirement Fund | 19,968 | $208.5K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 18,000 | $187.9K | 0.00% | +1,000+5.9% | Added |
| Cornerstone Investment Partners, LLC | 17,941 | $187.3K | 0.01% | +17,941 | New |
| Royal Bank of Canada | 17,502 | $182.0K | 0.00% | +8,729+99.5% | Added |
| XTX Topco Ltd | 16,509 | $172.4K | 0.01% | +16,509 | New |
| Handelsbanken Fonder AB | 15,500 | $162.0K | 0.00% | +15,500 | New |
| Police & Firemen's Retirement System of New Jersey | 14,716 | $153.6K | 0.00% | +14,716 | New |
| Prelude Capital Management, LLC | 14,693 | $153.4K | 0.01% | +14,693 | New |
| Osterweis Capital Management Inc | 14,285 | $149.1K | 0.01% | 00.0% | Unchanged |
| PEAK6 LLC | 14,012 | $146.3K | 0.01% | +14,012 | New |
| ClearAlpha Technologies LP | 13,670 | $142.7K | 0.12% | +13,670 | New |
| Versor Investments LP | 13,400 | $139.9K | 0.02% | −3,100−18.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,148 | $137.3K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 12,800 | $133.6K | 0.00% | 00.0% | Unchanged |
| Sherbrooke Park Advisers LLC | 12,604 | $131.6K | 0.04% | +12,604 | New |
| American Trust | 11,559 | $120.7K | 0.01% | −486−4.0% | Reduced |
| BNP Paribas Arbitrage, SA | 11,488 | $119.9K | 0.00% | +11,488 | New |
| Creative Planning | 11,059 | $115.5K | 0.00% | +11,059 | New |
| Two Sigma Advisers, LP | 10,400 | $108.6K | 0.00% | −22,000−67.9% | Reduced |
| Ameritas Investment Partners, Inc. | 6,724 | $70.2K | 0.00% | 00.0% | Unchanged |
| Alta Fox Capital Management, LLC | 5,800 | $60.6K | 0.02% | +5,800 | New |
| FMR LLC | 5,405 | $56.4K | 0.00% | −51−0.9% | Reduced |
| State of Wyoming | 4,903 | $51.2K | 0.01% | +4,903 | New |
| Proequities, Inc. | 2,525 | $25.4K | 0.00% | −20−0.8% | Reduced |
| Lindbrook Capital, LLC | 2,408 | $25.1K | 0.00% | −65−2.6% | Reduced |
| CWM, LLC | 2,276 | $24.0K | 0.00% | −1,849−44.8% | Reduced |
| Amalgamated Bank | 2,276 | $24.0K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 2,052 | $21.4K | 0.00% | +1,820+784.5% | Added |
| Nisa Investment Advisors, LLC | 1,633 | $17.0K | 0.00% | +45+2.8% | Added |
| Tower Research Capital LLC (TRC) | 1,392 | $14.5K | 0.00% | −5,534−79.9% | Reduced |
| Comerica Bank | 1,254 | $13.1K | 0.00% | −29−2.3% | Reduced |
| Simplex Trading, LLC | 1,151 | $12.0K | 0.00% | −235−17.0% | Reduced |
| Quadrant Capital Group LLC | 941 | $9.82K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 922 | $9.63K | 0.00% | +756+455.4% | Added |
| Parallel Advisors, LLC | 544 | $5.68K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 518 | $5.41K | 0.00% | −413−44.4% | Reduced |
| GAMMA Investing LLC | 512 | $5.34K | 0.00% | +39+8.2% | Added |
| Advisor Group Holdings, Inc. | 351 | $3.66K | 0.00% | −880−71.5% | Reduced |
| IFP Advisors, Inc | 299 | $3.14K | 0.00% | −1−0.3% | Reduced |
| Smartleaf Asset Management LLC | 276 | $2.86K | 0.00% | +215+352.5% | Added |
| Trust Co of Vermont | 207 | $2.16K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 204 | $2.13K | 0.00% | −666−76.6% | Reduced |
| CIBC Private Wealth Group, LLC | 180 | $1.84K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 115 | $1.16K | 0.00% | +50+76.9% | Added |
| SBI Securities Co., Ltd. | 105 | $1.10K | 0.00% | +105 | New |
| Farther Finance Advisors, LLC | 86 | $898 | 0.00% | −25−22.5% | Reduced |
| Rothschild Investment LLC | 85 | $887 | 0.00% | −20−19.0% | Reduced |
| Fifth Third Bancorp | 52 | $543 | 0.00% | −36−40.9% | Reduced |
| Private Wealth Management Group, LLC | 50 | $522 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 34 | $355 | 0.00% | +34 | New |
| Northwestern Mutual Wealth Management Co | 27 | $282 | 0.00% | −7−20.6% | Reduced |
| SJS Investment Consulting Inc. | 6 | $63 | 0.00% | −4−40.0% | Reduced |
| JFS Wealth Advisors, LLC | 2 | $21 | 0.00% | −24−92.3% | Reduced |
| Global Financial Private Client, LLC | 2 | $21 | 0.00% | +2 | New |
| DiNuzzo Private Wealth, Inc. | 1 | $11 | 0.00% | −4−80.0% | Reduced |
| Huntington National Bank | 1 | $10 | 0.00% | 00.0% | Unchanged |
| Parkworth Wealth Management, Inc. | 1 | $10 | 0.00% | +1 | New |
| Hemington Wealth Management | 11 | $0 | 0.00% | +4+57.1% | Added |
| Covestor Ltd | 10 | $0 | 0.00% | +1+11.1% | Added |
| Crestwood Capital Management, L.P. | 0 | $0 | 0.00% | −650,738−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −262,188−100.0% | Sold out |
| Washington Harbour Partners LP | 0 | $0 | 0.00% | −161,300−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −158,043−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −137,755−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −116,939−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −77,513−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −68,919−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −60,985−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −56,562−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −49,918−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −46,675−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −43,470−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −38,722−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −34,461−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −34,303−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −30,443−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −26,900−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −23,864−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −23,500−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −21,179−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −20,376−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −16,839−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −16,623−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −16,089−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −15,734−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −14,871−100.0% | Sold out |
| Dakota Wealth Management | 0 | $0 | 0.00% | −11,511−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −11,508−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −9,772−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −6,320−100.0% | Sold out |
| Antipodes Partners Ltd | 0 | $0 | 0.00% | −5,023−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −4,200−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −3,828−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −1,846−100.0% | Sold out |