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Dynamic Technology Lab’s Penumbra PEN Stock Holding History

Dynamic Technology Lab’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
-3,360
Closed -$862K – 1117
2025
Q2 		$862K Buy
3,360
+460
+16% +$125K 0.12% 302
2025
Q1 		$775K Sell
2,900
-640
-18% -$173K 0.11% 296
2024
Q4 		$841K Buy
3,540
+1,450
+69% +$330K 0.14% 260
2024
Q3 		$406K Sell
2,090
-2,252
-52% -$426K 0.04% 637
2024
Q2 		$781K Sell
4,342
-2,361
-35% -$471K 0.09% 377
2024
Q1 		$1.5M Buy
6,703
+1,949
+41% +$482K 0.16% 197
2023
Q4 		$1.2M Buy
+4,754
New +$1.05M 0.13% 252
2023
Q3 		– Sell
-661
Closed -$227K – 1228
2023
Q2 		$227K Buy
+661
New +$203K 0.03% 797
2022
Q3 		– Sell
-7,398
Closed -$921K – 1427
2022
Q2 		$921K Buy
7,398
+2,178
+42% +$346K 0.1% 345
2022
Q1 		$1.16M Buy
+5,220
New +$1.16M 0.14% 230
2021
Q4 		– Sell
-2,700
Closed -$720K – 1403
2021
Q3 		$720K Buy
2,700
+1,040
+63% +$280K 0.09% 399
2021
Q2 		$455K Sell
1,660
-722
-30% -$197K 0.05% 631
2021
Q1 		$645K Buy
+2,382
New +$615K 0.07% 439
2020
Q4 		– Sell
-4,781
Closed -$929K – 1264
2020
Q3 		$929K Buy
+4,781
New +$1.01M 0.15% 223
2020
Q1 		– Sell
-5,937
Closed -$975K – 1297
2019
Q4 		$975K Buy
+5,937
New +$944K 0.16% 188
2019
Q3 		– Sell
-4,618
Closed -$739K – 1209
2019
Q2 		$739K Buy
4,618
+22
+0.5% +$3.18K 0.12% 273
2019
Q1 		$676K Buy
+4,596
New +$657K 0.11% 300
2018
Q4 		– Sell
-1,965
Closed -$294K – 1231
2018
Q3 		$294K Sell
1,965
-8,603
-81% -$1.21M 0.04% 758
2018
Q2 		$1.46M Buy
10,568
+4,782
+83% +$681K 0.22% 111
2018
Q1 		$670K Buy
+5,786
New +$598K 0.1% 353

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

Dynamic Technology Lab's PEN Position: Q3 2025 in Review

Dynamic Technology Lab sold out of Penumbra (PEN) in Q3 2025, closing a stake of 3,360 shares — an estimated $862K sold.

Dynamic Technology Lab first reported a position in PEN in Q1 2018 and held it in 20 quarters. The position peaked at $1.5M in Q1 2024. 420 funds tracked by Wall St. Rank hold PEN as of Q3 2025.

  • Dynamic Technology Lab reported no remaining Penumbra position as of Q3 2025 after selling out during the quarter.
  • Dynamic Technology Lab sold 3,360 Penumbra shares in Q3 2025, an estimated $862K.
  • Dynamic Technology Lab first reported a position in Penumbra in Q1 2018 and held it in 20 quarters.
  • Dynamic Technology Lab's Penumbra position peaked at $1.5M in Q1 2024.
  • 420 funds tracked by Wall St. Rank held Penumbra as of Q3 2025.

Based on Dynamic Technology Lab's 13F filing for Q3 2025, filed 13 Nov 2025.