PUBM icon

PubMatic
PUBM

Overview Fund Activity

148 hedge funds and large institutions have $322M invested in PubMatic in 2025 Q2 according to their latest regulatory filings, with 24 funds opening new positions, 54 increasing their positions, 46 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
148
Holders Change
-9
Holders Change %
-5.73%
% of All Funds
1.98%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
24
Increased
54
Reduced
46
Closed
32
Calls
$6.93M
Puts
$4.37M
Net Calls
+$2.56M
Net Calls Change
+$759K

Top Buyers

1
Citadel Advisors
Citadel Advisors
Florida
+$4.61M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$3.18M
3
CP
CenterBook Partners
Connecticut
+$2.75M
4
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
+$2.68M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$2.13M

Top Sellers

1
Vanguard Group
Vanguard Group
Pennsylvania
-$9.98M
2
NC
Nixon Capital
Texas
-$5.75M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$2.91M
4
Morgan Stanley
Morgan Stanley
New York
-$2.71M
5
Pacer Advisors
Pacer Advisors
Pennsylvania
-$2.46M
Name Holding Trade Value Shares
Change 		Shares
Change %
Pacer Advisors
151
Pacer Advisors
Pennsylvania
– -$2.46M -268,637 Closed
CSS
152
Cubist Systematic Strategies
Connecticut
– -$974K -106,523 Closed
ECM
153
ExodusPoint Capital Management
New York
– -$829K -90,699 Closed
Janney Montgomery Scott
154
Janney Montgomery Scott
Pennsylvania
– -$379K -41,503 Closed
SEI Investments
155
SEI Investments
Pennsylvania
– -$377K -41,230 Closed
DFCM
156
Dark Forest Capital Management
Puerto Rico
– -$268K -29,356 Closed
JG
157
Jain Global
New York
– -$258K -28,248 Closed
CF
158
Corebridge Financial
Texas
– -$178K -19,473 Closed
Marshall Wace
159
Marshall Wace
United Kingdom
– -$175K -19,143 Closed
Man Group
160
Man Group
United Kingdom
– -$158K -17,288 Closed
MF
161
Magnetar Financial
Illinois
– -$148K -16,178 Closed
Squarepoint
162
Squarepoint
New York
– -$129K -14,076 Closed
SG Americas Securities
163
SG Americas Securities
New York
– -$100K -10,917 Closed
SOW
164
State of Wyoming
Wyoming
– -$82.4K -9,013 Closed
Group One Trading
165
Group One Trading
Illinois
– -$77.3K -8,460 Closed
AA
166
Ancora Advisors
Ohio
– -$18.3K -2,000 Closed
ACM
167
Aster Capital Management
United Arab Emirates
– -$20.2K -1,898 Closed
ZBNA
168
Zions Bancorporation, National Association
Utah
– -$3.6K -394 Closed
PPA
169
Painted Porch Advisors
California
– -$2.74K -300 Closed
CCM
170
Coldstream Capital Management
Washington
– -$2.41K -264 Closed
SW
171
SVB Wealth
Massachusetts
– -$1.18K -129 Closed
SIS
172
Strategic Investment Solutions
Illinois
– -$914 -100 Closed
BT
173
Banque Transatlantique
France
– -$845 -100 Closed
LFG
174
Larson Financial Group
Missouri
– -$905 -99 Closed
CA
175
CoreCap Advisors
Michigan
– -$841 -92 Closed
4 5 6
7
8