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 2025
Institutional positions in Integral Ad Science Holding Corp. as of Dec 31, 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
IAS is no longer listed, and 13F filings after Q3 2025 list far fewer holders. See Q3 2025
- Institutional holders
- 2
- −168 vs. Q3 2025
- Shares held
- 330
- −162.3M (−100.0%) vs. Q3 2025
- Total value
- $3.41K
- −$1.65B (−100.0%) vs. Q3 2025
- New holders
- 0
- 1 more added
- Sold out
- 168
- 1 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −27,716−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| KLP Kapitalforvaltning AS | 0 | $0 | 0.00% | −24,600−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −24,502−100.0% | Sold out |
| Arizona State Retirement System | 0 | $0 | 0.00% | −24,415−100.0% | Sold out |
| Pitcairn Co | 0 | $0 | 0.00% | −24,272−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −23,507−100.0% | Sold out |
| Police & Firemen's Retirement System of New Jersey | 0 | $0 | 0.00% | −22,650−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −21,530−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −19,968−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −18,477−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −17,114−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −16,865−100.0% | Sold out |
| Intrust Bank NA | 0 | $0 | 0.00% | −16,668−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −16,070−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −15,429−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −14,876−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −14,438−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −14,277−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −13,670−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −13,290−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −13,148−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −12,766−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −12,226−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −12,127−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −11,800−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −11,305−100.0% | Sold out |
| Quantinno Capital Management LP | 0 | $0 | 0.00% | −10,635−100.0% | Sold out |
| Gamco Investors, Inc. Et Al | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| PenderFund Capital Management Ltd. | 0 | $0 | 0.00% | −9,100−100.0% | Sold out |
| Longfellow Investment Management Co LLC | 0 | $0 | 0.00% | −7,384−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −6,379−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −6,369−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −5,904−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −4,943−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −4,543−100.0% | Sold out |
| State of Alaska, Department of Revenue | 0 | $0 | 0.00% | −4,436−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −3,726−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −2,519−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −1,854−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −1,412−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −1,402−100.0% | Sold out |
| Umb Bank N A | 0 | $0 | 0.00% | −1,177−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −922−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −621−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −581−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −457−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −427−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −398−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −384−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −342−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −338−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −297−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −287−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −256−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −183−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −171−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −137−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −69−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Corton Capital Inc. | – | – | – | – | Not filed |