QuinStreet
QNST
205 hedge funds and large institutions have $821M invested in QuinStreet in 2025 Q2 according to their latest regulatory filings, with 37 funds opening new positions, 101 increasing their positions, 40 reducing their positions, and 41 closing their positions.
363% more call options, than puts
Call options by funds: $2.69M | Put options by funds: $581K
153% more repeat investments, than reductions
Existing positions increased: 101 | Existing positions reduced: 40
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
10% less first-time investments, than exits
New positions opened: 37 | Existing positions closed: 41
2.11% less ownership
Funds ownership: 92.36% → 90.25% (-2.1%)
2% less funds holding
Funds holding: 210 → 205 (-5)
12% less capital invested
Capital invested by funds: $930M → $821M (-$110M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$10.8M |
| 2 |
D.E. Shaw & Co
New York
|
+$7.01M |
| 3 |
CSS
Cubist Systematic Strategies
Stamford,
Connecticut
|
+$5.53M |
| 4 |
TI
Trexquant Investment
Stamford,
Connecticut
|
+$5.5M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
+$5.46M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$56.5M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
-$13.9M |
| 3 |
PCM
Portolan Capital Management
Boston,
Massachusetts
|
-$13.9M |
| 4 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$9.15M |
| 5 |
NCGI
Next Century Growth Investors
Plymouth,
Minnesota
|
-$7.47M |
QNST Hedge Fund Activity: Q2 2025 in Review
205 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in QuinStreet (QNST) for Q2 2025, worth a combined $821M — down 12% from $930M a quarter earlier.
Sellers outnumbered buyers: 41 funds closed out of QNST and 37 opened new positions — a net loss of 4 holders — while 40 trimmed existing stakes and 101 added.
The largest buyer was Millennium Management, adding an estimated $10.8M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $56.5M sold.
- 205 institutional investors held QuinStreet (QNST) as of Q2 2025, down from 210 in Q1 2025.
- Funds reported $821M of QuinStreet stock for Q2 2025, down 12% quarter-over-quarter.
- 37 funds opened new QuinStreet positions in Q2 2025 and 41 closed out, a net change of -4 holders.
- The largest QuinStreet buyer in Q2 2025 was Millennium Management, an estimated $10.8M added.
- The largest QuinStreet seller in Q2 2025 was Driehaus Capital Management, an estimated $56.5M sold.
Based on aggregated 13F filings for Q2 2025.