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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
WCMNY
76
Westchester Capital Management (New York)
New York
$25.2M +$25.9M +76,630 New
First Trust Advisors
77
First Trust Advisors
Illinois
$24.7M +$16.7M +49,387 +191%
Man Group
78
Man Group
United Kingdom
$24.5M -$910K -2,688 -3%
Swiss National Bank
79
Swiss National Bank
Switzerland
$24.2M +$190K +560 +0.8%
CWG
80
C WorldWide Group
Denmark
$23.6M
CAM
81
Carret Asset Management
New York
$23.6M
SPS
82
Susquehanna Portfolio Strategies
Pennsylvania
$23.1M +$1.36M +4,025 +6%
American Century Companies
83
American Century Companies
Missouri
$23M +$16.8M +49,543 +242%
NC
84
NZS Capital
Colorado
$22.7M -$13.4M -39,600 -36%
Verition Fund Management
85
Verition Fund Management
Connecticut
$22.3M +$19.2M +56,700 +502%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
86
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$22.3M +$23M +67,850 New
Calamos Advisors
87
Calamos Advisors
Illinois
$22M +$21.1M +62,218 +1,334%
Legal & General Group
88
Legal & General Group
United Kingdom
$20.1M -$3.55M -10,480 -15%
California Public Employees Retirement System
89
California Public Employees Retirement System
California
$19.8M +$4.1M +12,108 +25%
TAL
90
TIG Advisors LLC
New York
$19.7M +$20.3M +60,082 New
Two Sigma Investments
91
Two Sigma Investments
New York
$19.1M +$11.3M +33,359 +134%
SC
92
Sculptor Capital
New York
$18.7M +$19.3M +57,000 New
GF
93
Gabelli Funds
New York
$18.6M +$19.2M +56,623 New
IG
94
ING Group
Netherlands
$18.3M +$18.9M +55,841 New
Victory Capital Management
95
Victory Capital Management
Texas
$17.3M -$6.9M -20,364 -28%
GCIA
96
Gabelli & Co Investment Advisers
New York
$17M +$17.5M +51,692 New
NCM
97
Nearwater Capital Markets
Ireland
$16.4M +$16.9M +50,000 New
Retirement Systems of Alabama
98
Retirement Systems of Alabama
Alabama
$15.8M +$370K +1,092 +2%
PCM
99
Prelude Capital Management
New York
$15.7M +$15.3M +45,227 +1,656%
BNP Paribas Asset Management
100
BNP Paribas Asset Management
France
$15.2M -$44.9M -132,561 -74%