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Penumbra
PEN

Overview Fund Activity

442 hedge funds and large institutions have $9.17B invested in Penumbra in 2025 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 166 increasing their positions, 138 reducing their positions, and 51 closing their positions.

Holders
442
Holders Change
+25
Holders Change %
+6%
% of All Funds
5.94%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
84
Increased
166
Reduced
138
Closed
51
Calls
$55.6M
Puts
$8.11M
Net Calls
+$47.5M
Net Calls Change
-$32.3M

Top Buyers

1
Invesco
1
Invesco
Georgia
$163M
2
Norges Bank
2
Norges Bank
Norway
$114M
3
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$237M
4
Qube Research & Technologies (QRT)
4
Qube Research & Technologies (QRT)
United Kingdom
$53.8M
5
Man Group
5
Man Group
United Kingdom
$53M

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 Market Value Shares Shares
Change 		Shares
Change %
TD Asset Management
51
TD Asset Management
Ontario, Canada
$27.3M 106,270 -26,802 -20%
Axa
52
Axa
France
$27.2M 105,870 +4,715 +5%
Loomis, Sayles & Company
53
Loomis, Sayles & Company
Massachusetts
$26.1M 101,740 -17,804 -15%
PAMP
54
Polar Asset Management Partners
Ontario, Canada
$26M 101,200 +60,941 +151%
First Trust Advisors
55
First Trust Advisors
Illinois
$25.8M 100,723 +3,906 +4%
Manulife (Manufacturers Life Insurance)
56
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$25.1M 97,687 -1,005 -1%
Royal Bank of Canada
57
Royal Bank of Canada
Ontario, Canada
$24.6M 95,904 +76,572 +396%
SCM
58
Steadfast Capital Management
New York
$24.4M 95,000 +95,000 New
Public Employees Retirement Association of Colorado
59
Public Employees Retirement Association of Colorado
Colorado
$23.6M 92,073 +14,923 +19%
UBS Group
60
UBS Group
Switzerland
$23.1M 90,040 -48,914 -35%
Victory Capital Management
61
Victory Capital Management
Texas
$21.9M 85,435 +78,500 +1,132%
Legal & General Group
62
Legal & General Group
United Kingdom
$21.5M 83,743 +19,851 +31%
Marshall Wace
63
Marshall Wace
United Kingdom
$21.1M 82,031 +63,389 +340%
ACIM
64
Azimuth Capital Investment Management
Michigan
$19.9M 77,611 +44,711 +136%
CAM
65
Carret Asset Management
New York
$19.8M 77,000 -2,000 -3%
New York State Common Retirement Fund
66
New York State Common Retirement Fund
New York
$19.6M 76,207 +3,874 +5%
American Century Companies
67
American Century Companies
Missouri
$18.6M 72,651 +48,614 +202%
CWG
68
C WorldWide Group
Denmark
$18.5M 72,000 – –
Swiss National Bank
69
Swiss National Bank
Switzerland
$18M 70,200 -500 -0.7%
NC
70
NZS Capital
Colorado
$17.9M 69,629 +6,125 +10%
Millennium Management
71
Millennium Management
New York
$17.5M 68,209 -80,355 -54%
PCH
72
Polar Capital Holdings
United Kingdom
$17M 66,373 +2,237 +3%
Acadian Asset Management
73
Acadian Asset Management
Massachusetts
$16.6M 64,594 +64,594 New
CWM
74
Congress Wealth Management
Massachusetts
$16.5M 64,346 -8,471 -12%
Amundi
75
Amundi
France
$15.9M 63,673 -60,636 -49%
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