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PubMatic

150 hedge funds and large institutions have $229M invested in PubMatic in 2025 Q3 according to their latest regulatory filings, with 28 funds opening new positions, 48 increasing their positions, 48 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding

Funds holding:

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

0% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 48

29% less capital invested

Capital invested by funds: $322M → $229M (-$93.2M)

Holders
150
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$6.55M
Puts
$3.73M
Net Calls
Net Calls Change

Top Buyers

1 +$4.37M
2 +$2.51M
3 +$2.25M
4
SST
S Squared Technology
New York
+$2.16M
5
Two Sigma Investments
Two Sigma Investments
New York
+$1.9M

Top Sellers

1 -$4.44M
2 -$1.67M
3 -$1.53M
4
ACA
Apis Capital Advisors
New York
-$964K
5
Vanguard Group
Vanguard Group
Pennsylvania
-$929K
Name Holding Trade Value Shares
Change
Change in
Stake
Citigroup
101
Citigroup
New York
$52.5K
Zurich Cantonal Bank
102
Zurich Cantonal Bank
Switzerland
$48.5K
Mirae Asset Global Investments
103
Mirae Asset Global Investments
South Korea
$43.6K
AIP
104
Ameritas Investment Partners
Nebraska
$35.3K
TRCT
105
Tower Research Capital (TRC)
New York
$33.3K
QT
106
Quantbot Technologies
New York
$25.2K
SCM
107
Sterling Capital Management
North Carolina
$23.8K
Fidelity Investments
108
Fidelity Investments
Massachusetts
$23.4K
CIAM
109
Caitong International Asset Management
Hong Kong
$21K
FCMT
110
Founders Capital Management (Texas)
Texas
$16.6K
US Bancorp
111
US Bancorp
Minnesota
$14K
AB
112
Amalgamated Bank
New York
$12K
Jones Financial Companies
113
Jones Financial Companies
Missouri
$11.5K
SOADOR
114
State of Alaska Department of Revenue
Alaska
$10K
AAP
115
Arax Advisory Partners
Colorado
$9.5K
BCV
116
Banque Cantonale Vaudoise
Switzerland
$8K
SS
117
SBI Securities
Japan
$7.34K
Osaic Holdings
118
Osaic Holdings
Arizona
$6.04K
ATC
119
Adirondack Trust Company
New York
$4.54K
Nisa Investment Advisors
120
Nisa Investment Advisors
Missouri
$4.54K
NFSG
121
Newbridge Financial Services Group
Florida
$4.14K
S
122
SignatureFD
Georgia
$4.04K
QCG
123
Quadrant Capital Group
Ohio
$3.92K
GI
124
GAMMA Investing
California
$3.84K
ASN
125
Advisory Services Network
Georgia
$3.59K