INTEGRAL AD SCIENCE HOLDING CORP. - IASGBX
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Feb 12, 2026 | SCHEDULE 13G/A | Glazer Capital, LLC | 4.16% | 6,981,827 | View |
| Feb 12, 2026 | SCHEDULE 13G/A | Paul J. Glazer | 4.16% | 6,981,827 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | Vista Equity Partners Fund VI, L.P. | 0.0% | 0 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | Vista Equity Partners Fund VI-A, L.P. | 0.0% | 0 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | VEPF VI FAF, L.P. | 0.0% | 0 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | Vista Equity Partners Fund VI GP, L.P. | 0.0% | 0 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | VEPF VI GP. Ltd. | 0.0% | 0 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | VEPF Management, L.P. | 0.0% | 0 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | Vista Equity Partners Management, LLC | 0.0% | 0 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | VEP Group, LLC | 0.0% | 0 | View |
| Dec 29, 2025 | SCHEDULE 13G/A | Robert F. Smith | 0.0% | 0 | View |
| Dec 23, 2025 | SCHEDULE 13G/A | Atlas Venture Fund VIII, L.P. | 0.0% | 0 | View |
| Dec 23, 2025 | SCHEDULE 13G/A | Atlas Venture Associates VIII, L.P. | 0.0% | 0 | View |
| Dec 23, 2025 | SCHEDULE 13G/A | Atlas Venture Associates VIII, Inc. | 0.0% | 0 | View |
| Dec 09, 2025 | SCHEDULE 13G | Glazer Capital, LLC | 6.32% | 10,602,032 | View |
| Dec 09, 2025 | SCHEDULE 13G | Paul J. Glazer | 6.32% | 10,602,032 | View |
| Nov 13, 2025 | SCHEDULE 13G/A | SUNRIVER MANAGEMENT LLC | 4.3% | 7,120,157 | View |
| Nov 13, 2025 | SCHEDULE 13G/A | RANDOLPH WILLETT COOK | 4.3% | 7,120,157 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.