Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in QNST held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 10.6M | $126.7M | -1.1% | 18.365% | 0.00% |
| 2 | Private Capital Management, LLC | 4.4M | $53.0M | +5.8% | 7.686% | 5.29% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $29.1M | β | 4.211% | 0.00% |
| 4 | STATE STREET CORP | 2.2M | $26.1M | +6.4% | 3.776% | 0.00% |
| 5 | AQR CAPITAL MANAGEMENT LLC | 2.1M | $24.9M | +114.3% | 3.609% | 0.01% |
| 6 | GOLDMAN SACHS GROUP INC | 1.6M | $19.3M | +0.6% | 2.793% | 0.00% |
| 7 | ROYCE & ASSOCIATES LP | 1.6M | $18.9M | +15.7% | 2.740% | 0.19% |
| 8 | LAZARD ASSET MANAGEMENT LLC | 1.4M | $17.3M | +618.9% | 2.509% | 0.03% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $16.5M | +2.5% | 2.386% | 0.00% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | $16.0M | β | 2.321% | 0.00% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 1.2M | $14.4M | +2.0% | 2.090% | 0.00% |
| 12 | JACOBS ASSET MANAGEMENT, LLC | 1.1M | $13.6M | +21.6% | 1.975% | 8.15% |
| 13 | JACOBS LEVY EQUITY MANAGEMENT, INC | 947K | $11.4M | +36.6% | 1.648% | 0.05% |
| 14 | Nuveen, LLC | 936K | $11.2M | -1.9% | 1.630% | 0.00% |
| 15 | MORGAN STANLEY | 893K | $10.7M | +2.9% | 1.554% | 0.00% |
| 16 | D. E. Shaw & Co., Inc. | 892K | $10.7M | -31.1% | 1.553% | 0.01% |
| 17 | NewEdge Wealth, LLC | 889K | $10.7M | -26.4% | 1.548% | 0.14% |
| 18 | Qube Research & Technologies Ltd | 830K | $10.0M | -28.6% | 1.445% | 0.01% |
| 19 | NORTHERN TRUST CORP | 628K | $7.5M | +3.5% | 1.093% | 0.00% |
| 20 | Assenagon Asset Management S.A. | 577K | $6.9M | -64.7% | 1.005% | 0.01% |
| 21 | BNP PARIBAS ARBITRAGE, SA | 548K | $6.6M | -10.1% | 0.953% | 0.00% |
| 22 | BALYASNY ASSET MANAGEMENT LLC | 538K | $6.5M | -40.2% | 0.937% | 0.02% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 530K | $6.4M | +2.5% | 0.923% | 0.00% |
| 24 | Mill Road Capital Management LLC | 519K | $6.2M | 0.0% | 0.903% | 3.27% |
| 25 | HEARTLAND ADVISORS INC | 500K | $6.0M | β | 0.870% | 0.31% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in QNST β a direct measure of their conviction.
Filings activity in QNST during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new QNST position in Q1 2026
Institutions that fully closed their QNST position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 215 | +2.4% | 85.85% | 16.05 pp | $609M | 16% |
| Q4 2025 | 210 | +2.4% | 101.90% | 6.55 pp | $722M | 6.0% |
| Q3 2025 | 205 | +0.5% | 108.45% | 5.31 pp | $769M | 4.7% |
| Q2 2025 | 204 | 1.9% | 113.76% | 12.30 pp | $806M | 9.8% |
| Q1 2025 | 208 | +4.0% | 126.06% | 39.89 pp | $894M | 24% |
| Q4 2024 | 200 | +18% | 165.95% | +36.08 pp | $1.18B | +28% |
| Q3 2024 | 169 | +5.0% | 129.87% | +16.34 pp | $921M | +14% |
| Q2 2024 | 161 | β | 113.53% | β | $805M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying QNST stock.
Based on Q1 2026 13F filings, institutional ownership of QuinStreet, Inc. stands at 85.9%, held across 215 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of QNST, with approximately 10,550,030 shares worth $0.13B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of QNST.
Our composite Smart Money Score for QNST is 28 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
42 institutions opened new positions in QNST during Q1 2026, while 37 fully exited. 61 added to existing positions and 112 trimmed.
QNST institutional ownership fell by 16.05 percentage points quarter-over-quarter, with a net change of +5 holders.
The top 10 institutions account for 57.1% of all reported 13F value in QNST, and the top 25 account for 79.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
QuinStreet, Inc. (QNST) Institutional Ownership