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PubMatic

154 hedge funds and large institutions have $236M invested in PubMatic in 2026 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 59 increasing their positions, 41 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

1.22% more ownership

Funds ownership: 72.46%73.68% (+1.2%)

4% less capital invested

Capital invested by funds: $245M → $236M (-$9.26M)

21% less call options, than puts

Call options by funds: $7.64M | Put options by funds: $9.72M

Holders
154
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$7.64M
Puts
$9.72M
Net Calls
Net Calls Change

Top Sellers

1 -$10.4M
2 -$6.35M
3 -$2.79M
4
Walleye Capital
Walleye Capital
New York
-$1.39M
5
Marshall Wace
Marshall Wace
United Kingdom
-$1.29M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
101
Fidelity Investments
Massachusetts
$74.1K
Legal & General Group
102
Legal & General Group
United Kingdom
$69.3K
VCM
103
Versant Capital Management
Arizona
$66.9K
SOW
104
State of Wyoming
Wyoming
$60.7K
Carson Wealth (CWM LLC)
105
Carson Wealth (CWM LLC)
Nebraska
$55.2K
Rockefeller Capital Management
106
Rockefeller Capital Management
New York
$41.2K
Citigroup
107
Citigroup
New York
$40.1K
GI
108
GAMMA Investing
California
$36K
Mirae Asset Global Investments
109
Mirae Asset Global Investments
South Korea
$34.1K
AIP
110
Ameritas Investment Partners
Nebraska
$25K
CIAM
111
Caitong International Asset Management
Hong Kong
$23K
California State Teachers Retirement System (CalSTRS)
112
California State Teachers Retirement System (CalSTRS)
California
$16.7K
Jones Financial Companies
113
Jones Financial Companies
Missouri
$16K
Nisa Investment Advisors
114
Nisa Investment Advisors
Missouri
$13K
TRCT
115
Tower Research Capital (TRC)
New York
$10.7K
SCM
116
Sterling Capital Management
North Carolina
$10.6K
SOADOR
117
State of Alaska Department of Revenue
Alaska
$10K
C
118
Covestor
United Kingdom
$8K
MPWT
119
MassMutual Private Wealth & Trust
Connecticut
$6.61K
UBS AM
120
UBS AM
Illinois
$6.19K
HI
121
Harbour Investments
Wisconsin
$5.32K
SS
122
SBI Securities
Japan
$5.15K
WWM
123
Western Wealth Management
Colorado
$4.91K
ATC
124
Adirondack Trust Company
New York
$4.49K
NFSG
125
Newbridge Financial Services Group
Florida
$4.09K