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PubMatic
PUBM

Overview Fund Activity

156 hedge funds and large institutions have $238M invested in PubMatic in 2025 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 40 increasing their positions, 53 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
156
Holders Change
-4
Holders Change %
-2.5%
% of All Funds
2.12%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
37
Increased
40
Reduced
53
Closed
39
Calls
$3.74M
Puts
$1.94M
Net Calls
+$1.8M
Net Calls Change
+$5.41M

Top Buyers

1
GHC
Graham Holdings Company
Virginia
+$4.57M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$3.68M
3
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$3.46M
4
Pacer Advisors
Pacer Advisors
Pennsylvania
+$2.46M
5
Wellington Management Group
Wellington Management Group
Massachusetts
+$1.64M

Top Sellers

1
Vanguard Group
Vanguard Group
Pennsylvania
-$7.56M
2
State of Wisconsin Investment Board
State of Wisconsin Investment Board
Wisconsin
-$2.55M
3
HIM
Hillsdale Investment Management
Ontario, Canada
-$2.49M
4
Millennium Management
Millennium Management
New York
-$2.18M
5
EAM
EFG Asset Management
Oregon
-$1.96M
Name Holding Trade Value Shares
Change 		Shares
Change %
NFSG
126
Newbridge Financial Services Group
Florida
$4.57K – – –
ZBNA
127
Zions Bancorporation, National Association
Utah
$3.6K +$3.6K +394 New
Comerica Bank
128
Comerica Bank
Texas
$3.08K +$37 +4 +1%
FFO
129
Fortitude Family Office
Arizona
$3.07K – – –
National Bank of Canada
130
National Bank of Canada
Quebec, Canada
$3.03K -$18 -2 -0.6%
GI
131
GAMMA Investing
California
$2.8K +$2.69K +294 +2,450%
PA
132
Parallel Advisors
California
$2.74K -$786 -86 -22%
PPA
133
Painted Porch Advisors
California
$2.74K +$2.74K +300 New
CCM
134
Coldstream Capital Management
Washington
$2.41K +$2.41K +264 New
SAM
135
Smartleaf Asset Management
Massachusetts
$2.32K +$2.32K +250 New
AF
136
Allworth Financial
California
$1.75K +$769 +78 +78%
SW
137
SVB Wealth
Massachusetts
$1.18K +$1.18K +129 New
MSG
138
Main Street Group
Virginia
$914 -$978 -107 -52%
SIS
139
Strategic Investment Solutions
Illinois
$914 – – –
LFG
140
Larson Financial Group
Missouri
$905 +$905 +99 New
CA
141
CoreCap Advisors
Michigan
$841 +$841 +92 New
S
142
SignatureFD
Georgia
$722 +$722 +79 New
QCG
143
Quadrant Capital Group
Ohio
$704 +$704 +77 New
BIA
144
Bell Investment Advisors
California
$485 +$485 +53 New
Northwestern Mutual Wealth Management
145
Northwestern Mutual Wealth Management
Wisconsin
$457 – – –
LC
146
Lindbrook Capital
California
$420 +$420 +46 New
SCM
147
Sterling Capital Management
North Carolina
$393 – – –
EWA
148
EverSource Wealth Advisors
Alabama
$375 +$201 +22 +116%
RIL
149
Rothschild Investment LLC
Illinois
$366 -$320 -35 -47%
PFBT
150
Parkside Financial Bank & Trust
Missouri
$320 +$320 +35 New
4 5
6
7 8