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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
BlackRock
1
BlackRock
New York
$1.42B +$64.1M +189,226 +5%
VCM
2
Vanguard Capital Management
Pennsylvania
$556M +$574M +1,694,488 New
VPM
3
Vanguard Portfolio Management
Pennsylvania
$543M +$560M +1,654,477 New
HI
4
HBK Investments
Texas
$537M +$553M +1,634,261 New
State Street
5
State Street
Massachusetts
$389M +$9.61M +28,394 +2%
Millennium Management
6
Millennium Management
New York
$361M +$142M +420,304 +62%
Baillie Gifford & Co
7
Baillie Gifford & Co
United Kingdom
$276M -$12.2M -35,898 -4%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$261M +$9.8M +28,938 +4%
Balyasny Asset Management
9
Balyasny Asset Management
Illinois
$250M +$203M +600,185 +371%
Goldman Sachs
10
Goldman Sachs
New York
$237M +$136M +402,421 +126%
Citigroup
11
Citigroup
New York
$204M +$194M +573,293 +1,203%
UBS Group
12
UBS Group
Switzerland
$184M +$139M +409,963 +273%
Invesco
13
Invesco
Georgia
$177M -$33.9M -100,108 -16%
Fidelity Investments
14
Fidelity Investments
Massachusetts
$163M -$1.57B -4,635,835 -90%
CIP
15
Champlain Investment Partners
Vermont
$161M -$37.4M -110,422 -18%
ECM
16
ExodusPoint Capital Management
New York
$153M +$150M +443,465 +2,039%
Capital World Investors
17
Capital World Investors
California
$148M +$8.25M +24,359 +6%
WA
18
Whitebox Advisors
Minnesota
$146M +$151M +445,001 New
AA
19
AQR Arbitrage
Connecticut
$139M +$143M +423,073 New
Tudor Investment Corp
20
Tudor Investment Corp
Connecticut
$135M +$139M +411,118 New
JP Morgan Chase
21
JP Morgan Chase
New York
$132M -$134M -394,871 -50%
Morgan Stanley
22
Morgan Stanley
New York
$132M -$42M -124,151 -24%
Arrowstreet Capital
23
Arrowstreet Capital
Massachusetts
$131M +$76.6M +226,314 +130%
Hudson Bay Capital Management
24
Hudson Bay Capital Management
Connecticut
$115M +$118M +349,038 New
Amundi
25
Amundi
France
$114M +$88M +259,936 +303%