QuinStreet, Inc. (QNST) ownership: Top institutional holder: BlackRock, Inc. ($126.71M). Insider activity: Net Buyer (11 buys, 9 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 10550030.00 | $126.71M | 2026-03-31 |
| VANGUARD GROUP INC | 4257710.00 | $61.18M | 2025-12-31 |
| Private Capital Management, LLC | 4415402.00 | $53.03M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2419282.00 | $29.06M | 2026-03-31 |
| STATE STREET CORP | 2169083.00 | $26.05M | 2026-03-31 |
| AQR CAPITAL MANAGEMENT LLC | 2073318.00 | $24.90M | 2026-03-31 |
| GOLDMAN SACHS GROUP INC | 1604674.00 | $19.27M | 2026-03-31 |
| ROYCE & ASSOCIATES LP | 1574293.00 | $18.91M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-05-10 | |
| Buy | null | 2026-05-10 | |
| Sell | null | 2026-05-10 | |
| Buy | null | 2026-05-10 | |
| Sell | null | 2026-05-10 | |
| Buy | null | 2026-05-10 | |
| Buy | null | 2026-05-10 |
Back to QNST overview · QNST earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.