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Penumbra

482 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, 149 increasing their positions, 141 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more funds holding in top 10

Funds holding in top 10: 624 (+18)

66% more first-time investments, than exits

New positions opened: 131 | Existing positions closed: 79

10% more funds holding

Funds holding: 438482 (+44)

6% more repeat investments, than reductions

Existing positions increased: 149 | Existing positions reduced: 141

3% less capital invested

Capital invested by funds: $11.4B → $11.1B (-$328M)

7.7% less ownership

Funds ownership: 93.95%86.25% (-7.7%)

42% less call options, than puts

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

Holders
482
Holders Change
+44
Holders Change %
+10.05%
% of All Funds
5.94%
Holding in Top 10
24
Holding in Top 10 Change
+18
Holding in Top 10 Change %
+300%
% of All Funds
0.3%
New
131
Increased
149
Reduced
141
Closed
79
Calls
$68.9M
Puts
$118M
Net Calls
-$49.3M
Net Calls Change
-$87.8M
Name Holding Trade Value Shares
Change
Change in
Stake
Susquehanna International Group
101
Susquehanna International Group
Pennsylvania
$15M +$15.4M +45,531 New
Osaic Holdings
102
Osaic Holdings
Arizona
$14.9M -$3.63M -10,725 -19%
California State Teachers Retirement System (CalSTRS)
103
California State Teachers Retirement System (CalSTRS)
California
$14.1M +$2.64M +7,800 +22%
PAM
104
PSquared Asset Management
Switzerland
$14M +$14.5M +42,785 New
T. Rowe Price Associates
105
T. Rowe Price Associates
Maryland
$13.8M -$543M -1,602,174 -97%
Caisse de Depot et Placement du Quebec (CDPQ)
106
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$13.7M +$14.1M +41,700 New
State of Wisconsin Investment Board
107
State of Wisconsin Investment Board
Wisconsin
$13.2M -$2M -5,892 -13%
Royal Bank of Canada
108
Royal Bank of Canada
Ontario, Canada
$13.1M -$13.4M -39,656 -50%
QL
109
Quarry LP
New York
$12.9M +$13.3M +39,345 New
TRSOTSOK
110
Teachers Retirement System of the State of Kentucky
Kentucky
$12.8M +$312K +920 +2%
New York State Teachers Retirement System (NYSTRS)
111
New York State Teachers Retirement System (NYSTRS)
New York
$12.1M -$431K -1,273 -3%
Marshall Wace
112
Marshall Wace
United Kingdom
$11.9M -$23.4M -69,051 -66%
CL
113
CSS LLC
Illinois
$11.9M +$12.2M +36,140 New
UFM
114
Ursa Fund Management
California
$11.5M +$11.9M +35,000 New
Ameriprise
115
Ameriprise
Minnesota
$11.4M -$41.1M -121,245 -78%
VOYA Investment Management
116
VOYA Investment Management
Georgia
$11.1M -$37.8M -111,550 -77%
VAM
117
Vanguard Asset Management
$11M +$11.4M +33,598 New
AG
118
Algert Global
California
$11M -$1.16M -3,430 -9%
State Board of Administration of Florida Retirement System
119
State Board of Administration of Florida Retirement System
Florida
$11M -$605K -1,788 -5%
CC
120
CIBRA Capital
United Kingdom
$10.4M +$10.7M +31,600 New
CFG
121
Citizens Financial Group
Rhode Island
$10.3M +$29.8K +88 +0.3%
Wells Fargo
122
Wells Fargo
California
$10.3M -$1.98M -5,847 -16%
OHWP
123
Oak Harbor Wealth Partners
North Carolina
$9.95M
SEI Investments
124
SEI Investments
Pennsylvania
$9.44M -$20.2M -59,671 -67%
SC
125
SummitTX Capital
Texas
$9.2M +$9.49M +28,022 New