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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
Janus Henderson Group
76
Janus Henderson Group
United Kingdom
$184K
FFP
77
FourThought Financial Partners
Florida
$183K
PCM
78
Prelude Capital Management
New York
$176K
IIM
79
INTECH Investment Management
Florida
$175K
Group One Trading
80
Group One Trading
Illinois
$172K
SG Americas Securities
81
SG Americas Securities
New York
$161K
SPA
82
Sherbrooke Park Advisers
New York
$160K
AP
83
Antipodes Partners
Australia
$158K
Cetera Investment Advisers
84
Cetera Investment Advisers
Illinois
$155K
QCM
85
Quantinno Capital Management
New York
$152K
ACM
86
Aquatic Capital Management
Illinois
$131K
DC
87
Diametric Capital
Massachusetts
$131K
Creative Planning
88
Creative Planning
Kansas
$125K
JRP
89
Jasper Ridge Partners
California
$124K
DT
90
Diversified Trust
Tennessee
$122K
Manulife (Manufacturers Life Insurance)
91
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$118K
PFSRSONJ
92
Police & Firemen's Retirement System of New Jersey
New Jersey
$103K
State Board of Administration of Florida Retirement System
93
State Board of Administration of Florida Retirement System
Florida
$103K
GS
94
GWN Securities
Florida
$99.8K
Verition Fund Management
95
Verition Fund Management
Connecticut
$99.5K
New York State Common Retirement Fund
96
New York State Common Retirement Fund
New York
$97.3K
CC
97
Corton Capital
Ontario, Canada
$94.1K
ASRS
98
Arizona State Retirement System
Arizona
$93.6K
BNP Paribas Financial Markets
99
BNP Paribas Financial Markets
France
$73.5K
KK
100
KLP Kapitalforvaltning
Norway
$59.6K