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PubMatic
PUBM

Overview Fund Activity

147 hedge funds and large institutions have $319M invested in PubMatic in 2025 Q2 according to their latest regulatory filings, with 24 funds opening new positions, 53 increasing their positions, 46 reducing their positions, and 32 closing their positions.

Holders
147
Holders Change
-10
Holders Change %
-6.37%
% of All Funds
1.97%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
24
Increased
53
Reduced
46
Closed
32
Calls
$6.36M
Puts
$3.51M
Net Calls
+$2.85M
Net Calls Change
+$1.05M

Top Buyers

1
Citadel Advisors
1
Citadel Advisors
Florida
$6.19M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$16.6M
3
CP
3
CenterBook Partners
Connecticut
$2.75M
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$10.9M
5
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$7.81M

Top Sellers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$32.5M
2
NC
2
Nixon Capital
Texas
$0
3
Qube Research & Technologies (QRT)
3
Qube Research & Technologies (QRT)
United Kingdom
$404K
4
Morgan Stanley
4
Morgan Stanley
New York
$1.75M
5
Pacer Advisors
5
Pacer Advisors
Pennsylvania
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Janus Henderson Group
76
Janus Henderson Group
United Kingdom
$276K 22,198 – –
Creative Planning
77
Creative Planning
Kansas
$269K 21,611 +21,611 New
Wolverine Trading
78
Wolverine Trading
Illinois
$260K 22,296 +22,296 New
DC
79
Diametric Capital
Massachusetts
$255K 20,499 +20,499 New
QCM
80
Quantinno Capital Management
New York
$236K 18,987 +4,186 +28%
Citigroup
81
Citigroup
New York
$234K 18,791 -14,194 -43%
Millennium Management
82
Millennium Management
New York
$233K 18,721 -104,003 -85%
CC
83
Corton Capital
Ontario, Canada
$210K 16,884 +6,884 +69%
Cetera Investment Advisers
84
Cetera Investment Advisers
Illinois
$208K 16,718 -2,318 -12%
Manulife (Manufacturers Life Insurance)
85
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$193K 15,525 +630 +4%
JRP
86
Jasper Ridge Partners
California
$187K 15,032 – –
GCM
87
Graham Capital Management
Connecticut
$175K 14,079 -42,852 -75%
US Bancorp
88
US Bancorp
Minnesota
$174K 14,013 -723 -5%
GS
89
GWN Securities
Florida
$165K 13,252 +13,252 New
DT
90
Diversified Trust
Tennessee
$162K 13,005 +68 +0.5%
State Board of Administration of Florida Retirement System
91
State Board of Administration of Florida Retirement System
Florida
$155K 12,430 – –
HT
92
Headlands Technologies
Illinois
$150K 12,043 +4,478 +59%
VOYA Investment Management
93
VOYA Investment Management
Georgia
$150K 12,029 -957 -7%
New York State Common Retirement Fund
94
New York State Common Retirement Fund
New York
$146K 11,752 – –
Verition Fund Management
95
Verition Fund Management
Connecticut
$146K 11,723 -47,907 -80%
ASRS
96
Arizona State Retirement System
Arizona
$139K 11,180 -32 -0.3%
A
97
AlphaQuest
New York
$137K 11,046 -2,779 -20%
AAS
98
Avantax Advisory Services
Texas
$126K 10,144 -1,706 -14%
CC
99
Centiva Capital
New York
$124K 10,000 -13,125 -57%
ICM
100
Intrepid Capital Management
Florida
$124K 10,000 – –
2 3
4
5 6