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 2025
Institutional positions in Integral Ad Science Holding Corp. as of Mar 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
- Institutional holders
- 187
- +23 vs. Q4 2024
- Shares held
- 159.0M
- +3.86M (+2.5%) vs. Q4 2024
- Total value
- $1.28B
- −$338.1M (−20.9%) vs. Q4 2024
- New holders
- 50
- 54 more added
- Sold out
- 27
- 61 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Highland Capital Management Fund Advisors, L.P. | 0 | $0 | 0.00% | −53,661−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −40,172−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −38,079−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −37,083−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −31,417−100.0% | Sold out |
| Harvest Management LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −28,040−100.0% | Sold out |
| Stoneridge Investment Partners LLC | 0 | $0 | 0.00% | −27,808−100.0% | Sold out |
| Osterweis Capital Management Inc | 0 | $0 | 0.00% | −14,285−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −14,012−100.0% | Sold out |
| ClearAlpha Technologies LP | 0 | $0 | 0.00% | −13,670−100.0% | Sold out |
| American Trust | 0 | $0 | 0.00% | −11,559−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −11,059−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −10,400−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |