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 2022
Institutional positions in Integral Ad Science Holding Corp. as of Dec 31, 2022. 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
- 107
- +4 vs. Q3 2022
- Shares held
- 148.1M
- −853.0K (−0.6%) vs. Q3 2022
- Total value
- $1.30B
- +$222.8M (+20.6%) vs. Q3 2022
- New holders
- 21
- 42 more added
- Sold out
- 17
- 32 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Indaba Capital Management, L.P. | 2,385,840 | $21.0M | 4.06% | −41,962−1.7% | Reduced |
| BlackRock Inc. | 2,482,925 | $21.8M | 0.00% | +218,673+9.7% | Added |
| TimesSquare Capital Management, LLC | 2,751,689 | $24.2M | 0.34% | −293,950−9.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 3,008,800 | $26.4M | 0.22% | −393,725−11.6% | Reduced |
| Vanguard Group Inc | 4,762,519 | $41.9M | 0.00% | +9,754+0.2% | Added |
| Atlas Venture Advisors, Inc. | 22,722,771 | $199.7M | 68.90% | 00.0% | Unchanged |
| Vista Equity Partners Management, LLC | 94,380,001 | $829.6M | 12.70% | 00.0% | Unchanged |
| Southpoint Capital Advisors LP | 0 | $0 | 0.00% | −1,515,600−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −347,840−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −219,904−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −74,600−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −64,358−100.0% | Sold out |
| 1623 Capital LLC | 0 | $0 | 0.00% | −58,231−100.0% | Sold out |
| Tocqueville Asset Management L.P. | 0 | $0 | 0.00% | −48,000−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −28,635−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −28,235−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −25,901−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −20,766−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −13,498−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −10,784−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Umb Bank N A | 0 | $0 | 0.00% | −121−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −193−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Jefferies Group LLC | – | – | – | – | Not filed |