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Penumbra

410 hedge funds and large institutions have $9.19B invested in Penumbra in 2025 Q3 according to their latest regulatory filings, with 52 funds opening new positions, 132 increasing their positions, 171 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more funds holding in top 10

Funds holding in top 10:

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

8% less funds holding

Funds holding: 446410 (-36)

23% less repeat investments, than reductions

Existing positions increased: 132 | Existing positions reduced: 171

35% less first-time investments, than exits

New positions opened: 52 | Existing positions closed: 80

Holders
410
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$81.4M
Puts
$23.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Fund Management (CFM)
101
Capital Fund Management (CFM)
France
$7.02M
Primecap Management
102
Primecap Management
California
$6.93M
Mariner
103
Mariner
Kansas
$6.82M
LNWWM
104
Laird Norton Wetherby Wealth Management
California
$6.47M
SFI
105
Susquehanna Fundamental Investments
Pennsylvania
$5.59M
SO
106
STRS Ohio
Ohio
$5.52M
MIM
107
MetLife Investment Management
New Jersey
$5.52M
QCM
108
Quantinno Capital Management
New York
$5.37M
TAM
109
Trillium Asset Management
Massachusetts
$5.3M
Canada Pension Plan Investment Board
110
Canada Pension Plan Investment Board
Ontario, Canada
$5.29M
RPAM
111
Rhenman & Partners Asset Management
Sweden
$5.19M
WTA
112
Washington Trust Advisors
Massachusetts
$5.16M
EAM
113
EFG Asset Management
Oregon
$5.12M
EOJOAM
114
E. Ohman J:or Asset Management
Sweden
$5.02M
AB
115
Amalgamated Bank
New York
$4.92M
Two Sigma Investments
116
Two Sigma Investments
New York
$4.78M
MOACM
117
Mutual of America Capital Management
New York
$4.56M
Bank of Montreal
118
Bank of Montreal
Ontario, Canada
$4.36M
Treasurer of the State of North Carolina
119
Treasurer of the State of North Carolina
North Carolina
$4.26M
PFSRSONJ
120
Police & Firemen's Retirement System of New Jersey
New Jersey
$4.19M
Acadian Asset Management
121
Acadian Asset Management
Massachusetts
$3.96M
GAM
122
Gotham Asset Management
New York
$3.83M
SPS
123
Susquehanna Portfolio Strategies
Pennsylvania
$3.64M
Walleye Capital
124
Walleye Capital
New York
$3.52M
CB
125
Commerce Bank
Missouri
$3.5M