Who owns QUINSTREET, INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of QNST from SEC Form 13F filings across 215 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 215 institutions disclosed 53.0M shares of QUINSTREET, INC worth $778.7M — about 92.8% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
215
13F holders
$778.7M
value, 2026 filers
92.8%
of shares outstanding (53.0M sh)
31
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of QNST's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 11.0M | $160.8M | 0.0% | 19.2% | +4.0% |
| 2 | Private Capital Management, LLC | 4.7M | $68.8M | 6.1% | 8.2% | +6.4% |
| 3 | AQR CAPITAL MANAGEMENT LLC | 2.5M | $36.9M | 0.0% | 4.4% | +21.6% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $35.6M | 0.0% | 4.3% | +0.6% |
| 5 | STATE STREET CORP | 2.2M | $32.9M | 0.0% | 3.9% | +3.7% |
| 6 | GOLDMAN SACHS GROUP INC | 2.0M | $29.7M | 0.0% | 3.5% | +26.4% |
| 7 | ROYCE & ASSOCIATES LP | 1.7M | $25.2M | 0.2% | 3% | +9.1% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $21.2M | 0.0% | 2.5% | +5.7% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 1.4M | $20.4M | 0.0% | 2.4% | +15.8% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | $19.2M | 0.0% | 2.3% | -1.7% |
| 11 | LAZARD ASSET MANAGEMENT LLC | 1.2M | $17.6M | 0.0% | 2.1% | -16.4% |
| 12 | JACOBS LEVY EQUITY MANAGEMENT, INC | 1.1M | $16.8M | 0.1% | 2% | +21.3% |
| 13 | JACOBS ASSET MANAGEMENT, LLC | 950,000 | $13.9M | 8.8% | 1.7% | -16.2% |
| 14 | MILLENNIUM MANAGEMENT LLC | 927,602 | $13.6M | 0.0% | 1.6% | +4101.3% |
| 15 | NewEdge Wealth, LLC | 829,840 | $12.2M | 0.1% | 1.5% | -6.7% |
| 16 | Nuveen, LLC | 759,053 | $11.1M | 0.0% | 1.3% | -18.9% |
| 17 | MORGAN STANLEY | 698,685 | $10.2M | 0.0% | 1.2% | -21.7% |
| 18 | THOMPSON SIEGEL & WALMSLEY LLC | 673,016 | $9.9M | 0.2% | 1.2% | +14.6% |
| 19 | NORTHERN TRUST CORP | 644,482 | $9.4M | 0.0% | 1.1% | +2.7% |
| 20 | HEARTLAND ADVISORS INC | 600,000 | $8.8M | 0.4% | 1% | +20.0% |
| 21 | D. E. Shaw & Co., Inc. | 586,231 | $8.6M | 0.0% | 1% | -34.3% |
| 22 | BNP PARIBAS FINANCIAL MARKETS | 576,043 | $8.4M | 0.0% | 1% | +5.2% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 560,585 | $8.2M | 0.0% | 1% | +5.8% |
| 24 | Mill Road Capital Management LLC | 518,879 | $7.6M | 3.8% | 0.9% | 0.0% |
| 25 | ALGERT GLOBAL LLC | 500,476 | $7.3M | 0.1% | 0.9% | +96.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.