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Penumbra

480 hedge funds and large institutions have $11.1B invested in Penumbra in 2026 Q1 according to their latest regulatory filings, with 131 funds opening new positions, 148 increasing their positions, 140 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

3% less capital invested

Capital invested by funds: $11.4B → $11.1B (-$330M)

7.72% less ownership

Funds ownership: 93.95%86.23% (-7.7%)

42% less call options, than puts

Call options by funds: $68.9M | Put options by funds: $118M

Holders
480
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$68.9M
Puts
$118M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
WCMNY
76
Westchester Capital Management (New York)
New York
$25.2M
First Trust Advisors
77
First Trust Advisors
Illinois
$24.7M
Man Group
78
Man Group
United Kingdom
$24.5M
Swiss National Bank
79
Swiss National Bank
Switzerland
$24.2M
CWG
80
C WorldWide Group
Denmark
$23.6M
CAM
81
Carret Asset Management
New York
$23.6M
SPS
82
Susquehanna Portfolio Strategies
Pennsylvania
$23.1M
American Century Companies
83
American Century Companies
Missouri
$23M
NC
84
NZS Capital
Colorado
$22.7M
Verition Fund Management
85
Verition Fund Management
Connecticut
$22.3M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
86
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$22.3M
Calamos Advisors
87
Calamos Advisors
Illinois
$22M
Legal & General Group
88
Legal & General Group
United Kingdom
$20.1M
California Public Employees Retirement System
89
California Public Employees Retirement System
California
$19.8M
TAL
90
TIG Advisors LLC
New York
$19.7M
Two Sigma Investments
91
Two Sigma Investments
New York
$19.1M
SC
92
Sculptor Capital
New York
$18.7M
GF
93
Gabelli Funds
New York
$18.6M
IG
94
ING Group
Netherlands
$18.3M
Victory Capital Management
95
Victory Capital Management
Texas
$17.3M
GCIA
96
Gabelli & Co Investment Advisers
New York
$17M
NCM
97
Nearwater Capital Markets
Ireland
$16.4M
Retirement Systems of Alabama
98
Retirement Systems of Alabama
Alabama
$15.8M
PCM
99
Prelude Capital Management
New York
$15.7M
BNP Paribas Asset Management
100
BNP Paribas Asset Management
France
$15.2M