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Penumbra
PEN

Overview Fund Activity

444 hedge funds and large institutions have $9.17B invested in Penumbra in 2025 Q2 according to their latest regulatory filings, with 85 funds opening new positions, 166 increasing their positions, 139 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
444
Holders Change
+27
Holders Change %
+6.47%
% of All Funds
5.96%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
85
Increased
166
Reduced
139
Closed
51
Calls
$73.2M
Puts
$14.5M
Net Calls
+$58.7M
Net Calls Change
-$21.2M

Top Buyers

1
Invesco
1
Invesco
Georgia
$163M
2
Baillie Gifford & Co
2
Baillie Gifford & Co
United Kingdom
$237M
3
Qube Research & Technologies (QRT)
3
Qube Research & Technologies (QRT)
United Kingdom
$53.8M
4
Man Group
4
Man Group
United Kingdom
$53M
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$84.9M

Top Sellers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$2.04M
2
Citadel Advisors
2
Citadel Advisors
Florida
$56.2M
3
Holocene Advisors
3
Holocene Advisors
New York
$0
4
WP
4
Woodline Partners
California
$0
5
CIP
5
Champlain Investment Partners
Vermont
$191M
Name Holding Trade Value Shares
Change 		Shares
Change %
Capital Fund Management (CFM)
151
Capital Fund Management (CFM)
France
$3.1M +$3.1M +12,093 New
PP
152
PDT Partners
New York
$3.09M -$775K -3,018 -20%
LTAS
153
Linden Thomas Advisory Services
North Carolina
$2.98M -$12.8K -50 -0.4%
Mariner
154
Mariner
Kansas
$2.97M +$436K +1,699 +17%
Comerica Bank
155
Comerica Bank
Texas
$2.94M -$32.3K -126 -1%
Two Sigma Advisers
156
Two Sigma Advisers
New York
$2.86M +$2.86M +11,159 New
LSERS
157
Louisiana State Employees Retirement System
Louisiana
$2.8M +$25.7K +100 +0.9%
US Bancorp
158
US Bancorp
Minnesota
$2.78M -$394K -1,537 -12%
ASRS
159
Arizona State Retirement System
Arizona
$2.75M +$68.3K +266 +3%
William Blair & Company
160
William Blair & Company
Illinois
$2.71M +$1.04M +4,042 +62%
Handelsbanken Fonder
161
Handelsbanken Fonder
Sweden
$2.66M -$51.3K -200 -2%
Prudential Financial
162
Prudential Financial
New Jersey
$2.59M +$2M +8,284 +338%
Cerity Partners
163
Cerity Partners
New York
$2.57M +$469K +1,829 +22%
DFCM
164
Dark Forest Capital Management
Puerto Rico
$2.56M +$2.56M +9,972 New
COPPSERS
165
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.55M +$199K +776 +8%
CC
166
Centiva Capital
New York
$2.55M +$1.49M +5,787 +140%
JG
167
Jain Global
New York
$2.54M -$4.98M -19,406 -66%
MFAM
168
Motley Fool Asset Management
Virginia
$2.5M -$160K -624 -6%
Cambridge Investment Research Advisors
169
Cambridge Investment Research Advisors
Iowa
$2.49M -$17.2K -67 -0.7%
TFS
170
Thoroughbred Financial Services
Tennessee
$2.49M -$276K -1,075 -10%
SSA
171
Schonfeld Strategic Advisors
New York
$2.47M +$1.01M +3,931 +69%
Universal-Beteiligungs- und Servicegesellschaft
172
Universal-Beteiligungs- und Servicegesellschaft
Germany
$2.44M +$378K +1,472 +18%
SOMRS
173
State of Michigan Retirement System
Michigan
$2.39M +$25.7K +100 +1%
IMRF
174
Illinois Municipal Retirement Fund
Illinois
$2.38M +$322K +1,256 +16%
EAM
175
Exome Asset Management
New York
$2.31M – – –
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