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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 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
148
Holders Change
-8
Holders Change %
-5.13%
% 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
31
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 %
Ameriprise
26
Ameriprise
Minnesota
$2.08M +$2.08M +167,498 New
Two Sigma Investments
27
Two Sigma Investments
New York
$1.94M +$1.94M +156,027 New
AI
28
Acuitas Investments
Washington
$1.82M +$1.82M +146,492 New
Deutsche Bank
29
Deutsche Bank
Germany
$1.78M -$243K -19,515 -12%
Mirae Asset Global ETFs Holdings
30
Mirae Asset Global ETFs Holdings
Hong Kong
$1.76M +$33K +2,654 +2%
Morgan Stanley
31
Morgan Stanley
New York
$1.75M -$2.71M -217,713 -61%
American Century Companies
32
American Century Companies
Missouri
$1.71M -$1.19M -96,047 -41%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$1.65M +$148K +11,876 +10%
PH
34
Pinnacle Holdings
Oklahoma
$1.6M +$188K +15,089 +13%
Barclays
35
Barclays
United Kingdom
$1.52M +$243K +19,521 +19%
UBS AM
36
UBS AM
Illinois
$1.49M +$487K +39,154 +49%
UBS Group
37
UBS Group
Switzerland
$1.48M +$822K +66,081 +125%
AG
38
Algert Global
California
$1.36M +$696K +55,911 +105%
Victory Capital Management
39
Victory Capital Management
Texas
$1.31M +$152K +12,253 +13%
LFS
40
Leibman Financial Services
Nebraska
$1.3M +$516K +41,499 +66%
Bank of America
41
Bank of America
North Carolina
$1.29M +$815K +65,537 +170%
Walleye Capital
42
Walleye Capital
New York
$1.09M +$1.04M +83,776 +1,991%
Invesco
43
Invesco
Georgia
$1.02M +$92.9K +7,468 +10%
DIS
44
Diversified Investment Strategies
Louisiana
$995K +$995K +80,000 New
ACA
45
Apis Capital Advisors
New York
$964K +$964K +77,500 New
Connor, Clark & Lunn Investment Management (CC&L)
46
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$949K +$461K +37,067 +95%
Swiss National Bank
47
Swiss National Bank
Switzerland
$911K -$33.6K -2,700 -4%
Wells Fargo
48
Wells Fargo
California
$861K +$105K +8,479 +14%
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$819K +$72.5K +5,828 +10%
State of Wisconsin Investment Board
50
State of Wisconsin Investment Board
Wisconsin
$773K +$773K +62,165 New
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