Twin Tree Management
PEN icon

Twin Tree Management’s Penumbra PEN Stock Holding History

Twin Tree 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
2025
Q3 		– Sell
-4,400
Closed -$1.13M – 1762
2025
Q2 		$1.13M Buy
+4,400
New +$1.2M ﹤0.01% 1345
2022
Q4 		– Sell
-16,900
Closed -$3.2M – 1491
2022
Q3 		$3.2M Sell
16,900
-86,400
-84% -$13.9M 0.01% 854
2022
Q2 		$12.9M Buy
103,300
+16,900
+20% +$2.68M 0.02% 562
2022
Q1 		$19.2M Buy
+86,400
New +$19.2M 0.03% 480
2021
Q2 		– Sell
-6,200
Closed -$1.68M – 1563
2021
Q1 		$1.68M Buy
6,200
+3,000
+94% +$774K 0.01% 887
2020
Q4 		$560K Buy
+3,200
New +$701K ﹤0.01% 1031
2020
Q1 		– Sell
-12,800
Closed -$2.1M – 1566
2019
Q4 		$2.1M Buy
12,800
+9,900
+341% +$1.57M 0.01% 712
2019
Q3 		$390K Hold
2,900
– – ﹤0.01% 934
2019
Q2 		$464K Buy
+2,900
New +$419K ﹤0.01% 898

Other funds holding PEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

Twin Tree Management's PEN Position: Q3 2025 in Review

Twin Tree Management sold out of Penumbra (PEN) in Q3 2025, closing a stake of 4,265 shares — an estimated $1.09M sold.

Twin Tree Management first reported a position in PEN in Q1 2019 and held it in 12 quarters. The position peaked at $10.8M in Q2 2022. 420 funds tracked by Wall St. Rank hold PEN as of Q3 2025.

  • Twin Tree Management reported no remaining Penumbra position as of Q3 2025 after selling out during the quarter.
  • Twin Tree Management sold 4,265 Penumbra shares in Q3 2025, an estimated $1.09M.
  • Twin Tree Management first reported a position in Penumbra in Q1 2019 and held it in 12 quarters.
  • Twin Tree Management's Penumbra position peaked at $10.8M in Q2 2022.
  • 420 funds tracked by Wall St. Rank held Penumbra as of Q3 2025.

Based on Twin Tree Management's 13F filing for Q3 2025, filed 13 Nov 2025.