Institutional Ownership
Integral Ad Science Hldng Co
CUSIP 45828L108COMIASQ1 2026
13D / 13G Filings
14
Schedule 13D/13G on record
Beneficial Filers
6
Distinct reporting persons
Largest Stake
37.9%
Max % of class reported
Institutional Holders
1
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
14 filings · latest Feb 12, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 12, 2026 | Glazer Capital, LLC | 13G/A | 4.2% | 6.98M | SEC |
| 2 | Dec 29, 2025 | Vista Equity Partners Fund Vi, L.P. | 13G/A | 11.0% | 9 | SEC |
| 3 | Dec 23, 2025 | Atlas Venture Fund Viii, L.P. | 13G/A | — | 232.0K | SEC |
| 4 | Dec 9, 2025 | Glazer Capital, LLC | 13G | 6.3% | 10.60M | SEC |
| 5 | Nov 13, 2025 | Sunriver Management LLC | 13G/A | 4.3% | 71.20T | SEC |
| 6 | Aug 13, 2025 | Sunriver Management LLC | 13G | 5.3% | 88.23T | SEC |
| 7 | Nov 14, 2024 | Vista Equity Partners Fund Vi, L.P. | 13G/A | 24.7% | 40.22M | SEC |
| 8 | Feb 13, 2024 | Vista Equity Partners Fund Vi, L.P. | 13G/A | 26.1% | 41.24M | SEC |
| 9 | Feb 13, 2024 | Vanguard Group Inc | 13G | 5.1% | 8.11M | SEC |
| 10 | Feb 10, 2023 | Sapphire Ventures, L.L.C. | 13G/A | — | — | SEC |
4 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Integral Ad Science Hldng Co.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Huntington National Bank | 1 | $10 |