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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
KPP
126
Kings Path Partners
Texas
$334K +$49.9K +3,110 +18%
SOW
127
State of Wyoming
Wyoming
$325K +$201K +12,516 +163%
Comerica Bank
128
Comerica Bank
Texas
$309K +$3.14K +196 +1%
Zurich Cantonal Bank
129
Zurich Cantonal Bank
Switzerland
$304K – – –
TRSOTSOK
130
Teachers Retirement System of the State of Kentucky
Kentucky
$289K – – –
IQI
131
Integrated Quantitative Investments
Washington
$267K -$238K -14,840 -47%
MSRPS
132
Maryland State Retirement & Pension System
Maryland
$265K – – –
AB
133
Amalgamated Bank
New York
$258K – – –
ASRS
134
Arizona State Retirement System
Arizona
$252K +$5.77K +360 +2%
HCA
135
Harbor Capital Advisors
Illinois
$244K +$19.1K +1,189 +8%
COPPSERS
136
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$235K +$17.8K +1,109 +8%
New York State Common Retirement Fund
137
New York State Common Retirement Fund
New York
$233K – – –
CC
138
Corton Capital
Ontario, Canada
$218K +$218K +13,565 New
Natixis Advisors
139
Natixis Advisors
Massachusetts
$211K -$90.7K -5,657 -30%
OPERF
140
Oregon Public Employees Retirement Fund
Oregon
$209K +$1.6K +100 +0.8%
ET
141
Entropy Technologies
New York
$206K +$205K +12,779 New
QCM
142
Quantinno Capital Management
New York
$205K +$204K +12,715 New
Carson Wealth (CWM LLC)
143
Carson Wealth (CWM LLC)
Nebraska
$198K +$98.3K +6,130 +100%
PCM
144
Polymer Capital Management
New York
$196K +$196K +12,196 New
ProShare Advisors
145
ProShare Advisors
Maryland
$196K -$8.63K -538 -4%
PA
146
PharVision Advisers
Florida
$196K +$195K +12,185 New
Lazard Asset Management
147
Lazard Asset Management
New York
$193K +$133K +8,318 +225%
Wealth Enhancement Advisory Services
148
Wealth Enhancement Advisory Services
Minnesota
$190K +$185K +11,517 New
PFSRSONJ
149
Police & Firemen's Retirement System of New Jersey
New Jersey
$189K – – –
SC
150
Syon Capital
California
$189K -$962 -60 -0.5%
4 5
6
7 8

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.