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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 %
Franklin Resources
26
Franklin Resources
California
$59M 229,996 -24,849 -10%
Baird Financial Group
27
Baird Financial Group
Wisconsin
$56.9M 221,886 -17,606 -7%
Citadel Advisors
28
Citadel Advisors
Florida
$56.2M 218,992 -565,317 -72%
Dimensional Fund Advisors
29
Dimensional Fund Advisors
Texas
$54M 210,249 -100,512 -32%
Qube Research & Technologies (QRT)
30
Qube Research & Technologies (QRT)
United Kingdom
$53.8M 209,710 +209,710 New
Man Group
31
Man Group
United Kingdom
$53M 206,461 +195,939 +1,862%
Artisan Partners
32
Artisan Partners
Wisconsin
$52.4M 204,058 -86,911 -30%
BG
33
Bellevue Group
Switzerland
$44.7M 174,050 -30,467 -15%
UBS AM
34
UBS AM
Illinois
$44.6M 173,827 +64,284 +59%
PHS
35
PFM Health Sciences
California
$42.7M 166,261 – –
VOYA Investment Management
36
VOYA Investment Management
Georgia
$41.5M 161,802 +67,106 +71%
NL
37
Nuveen LLC
North Carolina
$41M 159,862 +33,853 +27%
Ameriprise
38
Ameriprise
Minnesota
$40.4M 157,492 +56,076 +55%
AllianceBernstein
39
AllianceBernstein
Tennessee
$39.1M 152,254 -42,100 -22%
SEI Investments
40
SEI Investments
Pennsylvania
$37.9M 147,498 -7,283 -5%
Lord, Abbett & Co
41
Lord, Abbett & Co
New Jersey
$37M 143,985 -94,341 -40%
Point72 Asset Management
42
Point72 Asset Management
Connecticut
$35.9M 140,045 -23,440 -14%
Fidelity International
43
Fidelity International
Bermuda
$33.6M 130,840 +41,574 +47%
B
44
Braidwell
Connecticut
$33.3M 129,628 +19,500 +18%
RSCM
45
Rock Springs Capital Management
Maryland
$33M 128,500 -42,500 -25%
Los Angeles Capital Management
46
Los Angeles Capital Management
California
$32.7M 127,536 -52,014 -29%
Principal Financial Group
47
Principal Financial Group
Iowa
$32.7M 127,458 +38,582 +43%
DCM
48
Driehaus Capital Management
Illinois
$30.4M 118,643 +42,365 +56%
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$28.3M 110,221 +1,074 +1%
Adage Capital Partners
50
Adage Capital Partners
Massachusetts
$28.1M 109,497 +9,497 +9%
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