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ACM
Aquatic Capital Management’s
Penumbra
PEN
Stock Holding History
Aquatic Capital Management’s Portfolio
PEN Stock Details
PEN Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$8.53M
Buy
25,975
+25,481
+5,158%
+$8.63M
0.25%
100
2025
Q4
$154K
Buy
+494
New
+$136K
﹤0.01%
1058
2025
Q3
–
Sell
-1,181
Closed
-$303K
–
1594
2025
Q2
$303K
Sell
1,181
-4,483
-79%
-$1.22M
0.01%
940
2025
Q1
$1.51M
Buy
+5,664
New
+$1.53M
0.04%
486
2024
Q3
–
Sell
-10,200
Closed
-$1.84M
–
1445
2024
Q2
$1.84M
Sell
10,200
-16,300
-62%
-$3.25M
0.07%
280
2024
Q1
$5.91M
Buy
26,500
+18,100
+215%
+$4.47M
0.19%
123
2023
Q4
$2.11M
Sell
8,400
-24,480
-74%
-$5.41M
0.05%
318
2023
Q3
$7.95M
Buy
32,880
+14,280
+77%
+$3.97M
0.33%
75
2023
Q2
$6.4M
Buy
18,600
+14,900
+403%
+$4.58M
0.35%
69
2023
Q1
$1.03M
Buy
+3,700
New
+$944K
0.06%
274
2022
Q2
–
Sell
-300
Closed
-$67K
–
1480
2022
Q1
$67K
Buy
+300
New
+$66.7K
0.1%
231
Other funds holding PEN
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New York
$5.7T AUM
30.48%
1-Year Est. Return
VCM
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$4.04T AUM
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
HI
HBK Investments
Dallas, Texas
$7.94B AUM
55.6%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
Millennium Management
New York
$134B AUM
35.51%
1-Year Est. Return
Baillie Gifford & Co
Edinburgh, United Kingdom
$97.9B AUM
20.73%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
Balyasny Asset Management
Chicago, Illinois
$50.9B AUM
42.89%
1-Year Est. Return
Goldman Sachs
New York
$761B AUM
31.28%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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