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PDT Partners’s Penumbra PEN Stock Holding History

PDT Partners’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
-12,058
Closed -$3.09M – 693
2025
Q2 		$3.09M Sell
12,058
-3,018
-20% -$821K 0.18% 206
2025
Q1 		$4.03M Buy
15,076
+3,546
+31% +$959K 0.29% 100
2024
Q4 		$2.74M Buy
11,530
+14
+0.1% +$3.18K 0.24% 138
2024
Q3 		$2.24M Buy
11,516
+3,521
+44% +$665K 0.2% 180
2024
Q2 		$1.44M Buy
7,995
+6,474
+426% +$1.29M 0.14% 270
2024
Q1 		$339K Sell
1,521
-15
-1% -$3.71K 0.03% 516
2023
Q4 		$386K Sell
1,536
-2,275
-60% -$503K 0.04% 436
2023
Q3 		$922K Buy
3,811
+1,611
+73% +$447K 0.12% 303
2023
Q2 		$757K Buy
+2,200
New +$676K 0.1% 311
2022
Q2 		– Sell
-8,540
Closed -$1.9M – 1108
2022
Q1 		$1.9M Sell
8,540
-4,614
-35% -$1.03M 0.16% 188
2021
Q4 		$3.78M Sell
13,154
-2,346
-15% -$620K 0.29% 106
2021
Q3 		$4.13M Sell
15,500
-40
-0.3% -$10.8K 0.3% 149
2021
Q2 		$4.26M Sell
15,540
-2,260
-13% -$617K 0.28% 158
2021
Q1 		$4.82M Sell
17,800
-11,800
-40% -$3.05M 0.35% 55
2020
Q4 		$5.18M Sell
29,600
-3,603
-11% -$789K 0.35% 115
2020
Q3 		$6.45M Sell
33,203
-5,497
-14% -$1.16M 0.43% 85
2020
Q2 		$6.92M Sell
38,700
-16,200
-30% -$2.81M 0.47% 74
2020
Q1 		$8.86M Buy
54,900
+100
+0.2% +$16.8K 0.7% 24
2019
Q4 		$9M Sell
54,800
-1,077
-2% -$171K 0.56% 64
2019
Q3 		$7.51M Buy
+55,877
New +$8.64M 0.45% 90

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

PDT Partners's PEN Position: Q3 2025 in Review

PDT Partners sold out of Penumbra (PEN) in Q3 2025, closing a stake of 12,058 shares — an estimated $3.09M sold.

PDT Partners first reported a position in PEN in Q3 2019 and held it in 20 quarters. The position peaked at $9M in Q4 2019. 420 funds tracked by Wall St. Rank hold PEN as of Q3 2025.

  • PDT Partners reported no remaining Penumbra position as of Q3 2025 after selling out during the quarter.
  • PDT Partners sold 12,058 Penumbra shares in Q3 2025, an estimated $3.09M.
  • PDT Partners first reported a position in Penumbra in Q3 2019 and held it in 20 quarters.
  • PDT Partners's Penumbra position peaked at $9M in Q4 2019.
  • 420 funds tracked by Wall St. Rank held Penumbra as of Q3 2025.

Based on PDT Partners's 13F filing for Q3 2025, filed 17 Nov 2025.