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Walleye Trading’s
Penumbra
PEN
Stock Holding History
Walleye Trading’s Portfolio
PEN Stock Details
PEN Fund Activity
Bought
Maintained
Sold
Shares
Call Options
Put Options
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$13M
Buy
39,500
+31,000
+365%
+$10.5M
0.02%
671
2025
Q4
$2.64M
Buy
8,500
+7,900
+1,317%
+$2.18M
﹤0.01%
1719
2025
Q3
$152K
Sell
600
-400
-40%
-$101K
﹤0.01%
3509
2025
Q2
$257K
Sell
1,000
-600
-38%
-$163K
﹤0.01%
3090
2025
Q1
$428K
Hold
1,600
–
–
﹤0.01%
2622
2024
Q4
$380K
Hold
1,600
–
–
﹤0.01%
2820
2024
Q3
$311K
Buy
1,600
+300
+23%
+$56.7K
﹤0.01%
2811
2024
Q2
$234K
Sell
1,300
-1,000
-43%
-$200K
﹤0.01%
2996
2024
Q1
$513K
Sell
2,300
-800
-26%
-$198K
﹤0.01%
2759
2023
Q4
$780K
Sell
3,100
-2,700
-47%
-$597K
﹤0.01%
2697
2023
Q3
$1.4M
Buy
5,800
+1,900
+49%
+$528K
﹤0.01%
2083
2023
Q2
$1.34M
Sell
3,900
-300
-7%
-$92.1K
﹤0.01%
1940
2023
Q1
$1.17M
Sell
4,200
-2,200
-34%
-$562K
﹤0.01%
2079
2022
Q4
$1.42M
Buy
+6,400
New
+$1.25M
﹤0.01%
1941
2022
Q3
–
Sell
-4,900
Closed
-$610K
–
5401
2022
Q2
$610K
Buy
+4,900
New
+$777K
﹤0.01%
2708
2021
Q4
–
Sell
-3,100
Closed
-$826K
–
5727
2021
Q3
$826K
Buy
+3,100
New
+$833K
﹤0.01%
2417
Other funds holding PEN
BlackRock
New York
$5.72T AUM
30.48%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
HI
HBK Investments
Dallas, Texas
$9.85B AUM
55.6%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
Millennium Management
New York
$240B 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
$77.1B AUM
42.89%
1-Year Est. Return
Goldman Sachs
New York
$871B 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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