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Penumbra
PEN

Overview Fund Activity

417 hedge funds and large institutions have $9.28B invested in Penumbra in 2025 Q1 according to their latest regulatory filings, with 93 funds opening new positions, 141 increasing their positions, 130 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
417
Holders Change
+49
Holders Change %
+13.32%
% of All Funds
5.66%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
93
Increased
141
Reduced
130
Closed
39
Calls
$95.8M
Puts
$15.9M
Net Calls
+$79.9M
Net Calls Change
+$25.8M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$153M
2
Holocene Advisors
Holocene Advisors
New York
+$105M
3
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
+$63.7M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
+$43.7M
5
Los Angeles Capital Management
Los Angeles Capital Management
California
+$39.8M

Top Sellers

1
William Blair Investment Management
William Blair Investment Management
Illinois
-$210M
2
CIP
Champlain Investment Partners
Vermont
-$167M
3
Bank of America
Bank of America
North Carolina
-$37M
4
PAMP
Polar Asset Management Partners
Ontario, Canada
-$21.9M
5
ClearBridge Investments
ClearBridge Investments
New York
-$20.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Retirement Systems of Alabama
76
Retirement Systems of Alabama
Alabama
$12.5M +$12.3K +46 +0.1%
Canada Pension Plan Investment Board
77
Canada Pension Plan Investment Board
Ontario, Canada
$12.5M +$9.41M +35,200 +309%
SI
78
Sofinnova Investments
California
$11.5M +$11.5M +42,936 New
CF
79
Corebridge Financial
Texas
$11.4M -$281K -1,052 -2%
NCGI
80
Next Century Growth Investors
Minnesota
$11.1M +$11.1M +41,579 New
WCM Investment Management
81
WCM Investment Management
California
$10.8M -$4.28M -15,978 -28%
PAMP
82
Polar Asset Management Partners
Ontario, Canada
$10.8M -$21.9M -81,867 -67%
New York State Teachers Retirement System (NYSTRS)
83
New York State Teachers Retirement System (NYSTRS)
New York
$10.2M +$107K +400 +1%
ZIM
84
Zacks Investment Management
Illinois
$9.76M +$9.76M +36,486 New
Wells Fargo
85
Wells Fargo
California
$9.57M -$998K -3,733 -9%
State Board of Administration of Florida Retirement System
86
State Board of Administration of Florida Retirement System
Florida
$9.37M – – –
IHAM
87
Integral Health Asset Management
New York
$9.36M +$9.36M +35,000 New
Raymond James Financial
88
Raymond James Financial
Florida
$9.32M +$2.59M +9,687 +38%
Natixis Advisors
89
Natixis Advisors
Massachusetts
$9.28M +$1.74M +6,492 +23%
California State Teachers Retirement System (CalSTRS)
90
California State Teachers Retirement System (CalSTRS)
California
$9.13M -$105K -392 -1%
OHWP
91
Oak Harbor Wealth Partners
North Carolina
$8.99M – – –
SFI
92
Susquehanna Fundamental Investments
Pennsylvania
$8.98M – – –
QCM
93
Quantinno Capital Management
New York
$8.95M +$6.54M +24,441 +271%
TRSOTSOK
94
Teachers Retirement System of the State of Kentucky
Kentucky
$8.91M – – –
ACIM
95
Azimuth Capital Investment Management
Michigan
$8.8M -$1.68M -6,277 -16%
Primecap Management
96
Primecap Management
California
$8.13M -$82.9K -310 -1%
JG
97
Jain Global
New York
$7.83M +$5.77M +21,582 +280%
Barclays
98
Barclays
United Kingdom
$7.41M -$561K -2,098 -7%
Ohio Public Employees Retirement System (OPERS)
99
Ohio Public Employees Retirement System (OPERS)
Ohio
$6.82M +$832K +3,113 +14%
LPL Financial
100
LPL Financial
California
$6.79M +$4.26M +15,922 +168%
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