QuinStreet
QNST
213 hedge funds and large institutions have $758M invested in QuinStreet in 2025 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 79 increasing their positions, 84 reducing their positions, and 25 closing their positions.
32% more first-time investments, than exits
New positions opened: 33 | Existing positions closed: 25
3.07% more ownership
Funds ownership: 89.91% → 92.98% (+3.1%)
2% more funds holding
Funds holding: 209 → 213 (+4)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
6% less repeat investments, than reductions
Existing positions increased: 79 | Existing positions reduced: 84
5% less capital invested
Capital invested by funds: $798M → $758M (-$40.1M)
76% less call options, than puts
Call options by funds: $483K | Put options by funds: $2.04M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Balyasny Asset Management
Chicago,
Illinois
|
+$13M |
| 2 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$7.16M |
| 3 |
Goldman Sachs
New York
|
+$6.81M |
| 4 |
D.E. Shaw & Co
New York
|
+$6.19M |
| 5 |
JAM
Jacobs Asset Management
New York
|
+$4.09M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$17.1M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$5.26M |
| 3 |
TI
Trexquant Investment
Stamford,
Connecticut
|
-$3.37M |
| 4 |
First Eagle Investment Management
New York
|
-$3.04M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$2.98M |
QNST Hedge Fund Activity: Q4 2025 in Review
213 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in QuinStreet (QNST) for Q4 2025, worth a combined $758M — down 5% from $798M a quarter earlier.
Buyers outnumbered sellers: 33 funds opened new QNST positions and 25 closed out — a net gain of 8 holders — while 79 added to existing stakes and 84 trimmed.
The largest buyer was Balyasny Asset Management, opening a new position worth an estimated $13M. The largest seller was Millennium Management, cutting an estimated $17.1M.
- 213 institutional investors held QuinStreet (QNST) as of Q4 2025, up from 209 in Q3 2025.
- Funds reported $758M of QuinStreet stock for Q4 2025, down 5% quarter-over-quarter.
- 33 funds opened new QuinStreet positions in Q4 2025 and 25 closed out, a net change of +8 holders.
- The largest QuinStreet buyer in Q4 2025 was Balyasny Asset Management, an estimated $13M added.
- The largest QuinStreet seller in Q4 2025 was Millennium Management, an estimated $17.1M sold.
Based on aggregated 13F filings for Q4 2025.