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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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
205
Holders Change
-5
Holders Change %
-2.38%
% of All Funds
2.7%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
37
Increased
101
Reduced
40
Closed
41
Calls
$2.69M
Puts
$581K
Net Calls
+$2.11M
Net Calls Change
-$2.69M

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$10.8M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$7.01M
3
CSS
Cubist Systematic Strategies
Connecticut
+$5.53M
4
TI
Trexquant Investment
Connecticut
+$5.5M
5
Tudor Investment Corp
Tudor Investment Corp
Connecticut
+$5.46M

Top Sellers

Rank Fund Capital Flow
1
DCM
Driehaus Capital Management
Illinois
-$56.5M
2
American Century Companies
American Century Companies
Missouri
-$13.9M
3
PCM
Portolan Capital Management
Massachusetts
-$13.9M
4
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
-$9.15M
5
NCGI
Next Century Growth Investors
Minnesota
-$7.47M
Name Holding Trade Value Shares
Change 		Change in
Stake
M1FG
226
Mach-1 Financial Group
Arkansas
– -$289K -16,204 Closed
B
227
Bailard
California
– -$252K -14,100 Closed
LCM
228
Legato Capital Management
California
– -$235K -13,150 Closed
AGM
229
Alpine Global Management
New York
– -$227K -12,721 Closed
CWM
230
CIBC World Markets
New York
– -$213K -11,948 Closed
JSAM
231
J. Safra Asset Management
New York
– -$190K -10,653 Closed
FRA
232
Frank Rimerman Advisors
California
– -$190K -10,625 Closed
MWM
233
Maridea Wealth Management
New York
– -$187K -10,480 Closed
KI
234
Kapitalo Investimentos
Brazil
– -$184K -10,323 Closed
KBC Group
235
KBC Group
Belgium
– -$64K -3,562 Closed
CCM
236
Coldstream Capital Management
Washington
– -$38K -2,129 Closed
Macquarie Group
237
Macquarie Group
Australia
– -$31K -1,735 Closed
SSG
238
Summit Securities Group
New York
– -$25.4K -1,426 Closed
MA
239
MCF Advisors
Kentucky
– -$9.28K -520 Closed
QCG
240
Quadrant Capital Group
Ohio
– -$3.94K -221 Closed
Federated Hermes
241
Federated Hermes
Pennsylvania
– -$2.1K -118 Closed
GWM
242
Geneos Wealth Management
Colorado
– -$1.36K -38 Closed
PS
243
Principal Securities
Iowa
– -$738 -32 Closed
PFBT
244
Parkside Financial Bank & Trust
Missouri
– -$446 -25 Closed
SC
245
Stephens Consulting
Michigan
– -$357 -20 Closed
WCM
246
WealthTrak Capital Management
Virginia
– -$90 -5 Closed
6 7 8 9
10

QNST Hedge Fund Activity: Q2 2025 in Review

205 of the 7,595 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.