# INTEGRAL AD SCIENCE HLDNG CO COM

INTEGRAL AD SCIENCE HLDNG CO COM is a security (CUSIP 45828L108) tracked across SEC portfolio filings. 5 institutional managers reported $699K on Form 13F as of 2026-03-31; 1 registered fund positions totaling $-24K via N-PORT as of 2022-09-30.

## Summary

- Issuer: INTEGRAL AD SCIENCE HLDNG CO
- Class: COM
- CUSIP: 45828L108
- Asset category: EC
- 13F holders: 5
- 13F value: $699K
- 13F period: 2026-03-31
- N-PORT fund positions: 1
- N-PORT value: $-24K
- N-PORT report: 2022-09-30

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Washington Harbour Partners LP](https://search.stillhousedata.com/firm/309915) | ARLINGTON, VA | $569K | 68,520 |
| Corton Capital Inc. | Carrying Place, A6 | $129K | 12,720 |
| HUNTINGTON NATIONAL BANK | COLUMBUS, OH | $10 | 1 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |
| DV EQUITIES, LLC | CHICAGO, IL | — | — |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| Weiss Strategic Interval Fund | Weiss Strategic Interval Fund | $-24K | -0.46% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/45828L108.md)
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