Simplex Trading’s Penumbra PEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.56M Buy
+13,900
New +$4.71M ﹤0.01% 1173
2025
Q4
Sell
-1,100
Closed -$278K 9692
2025
Q3
$278K Sell
1,100
-2,400
-69% -$605K ﹤0.01% 4564
2025
Q2
$898K Buy
3,500
+2,400
+218% +$653K ﹤0.01% 2882
2025
Q1
$294K Sell
1,100
-5,500
-83% -$1.49M ﹤0.01% 3934
2024
Q4
$1.57M Sell
6,600
-19,600
-75% -$4.46M ﹤0.01% 2409
2024
Q3
$5.09M Sell
26,200
-1,000
-4% -$189K ﹤0.01% 1477
2024
Q2
$4.89M Buy
27,200
+6,700
+33% +$1.34M ﹤0.01% 1454
2024
Q1
$4.58M Sell
20,500
-8,500
-29% -$2.1M ﹤0.01% 1669
2023
Q4
$7.29M Sell
29,000
-2,000
-6% -$442K ﹤0.01% 1303
2023
Q3
$7.5M Buy
31,000
+17,800
+135% +$4.94M 0.01% 1078
2023
Q2
$4.54M Sell
13,200
-5,500
-29% -$1.69M ﹤0.01% 1379
2023
Q1
$5.21M Buy
18,700
+18,600
+18,600% +$4.75M ﹤0.01% 1277
2022
Q4
$22K Hold
100
﹤0.01% 6787
2022
Q3
$18K Sell
100
-3,200
-97% -$513K ﹤0.01% 7633
2022
Q2
$410K Buy
3,300
+600
+22% +$95.2K ﹤0.01% 3701
2022
Q1
$599K Sell
2,700
-700
-21% -$156K ﹤0.01% 3601
2021
Q4
$976K Sell
3,400
-1,700
-33% -$449K ﹤0.01% 2879
2021
Q3
$1.41M Hold
5,100
﹤0.01% 2615
2021
Q2
$1.4M Buy
5,100
+5,041
+8,544% +$1.38M ﹤0.01% 2657
2021
Q1
$1.6M Buy
+59
New +$15.2K ﹤0.01% 1867
2020
Q4
Sell
-3
Closed -$58K 8888
2020
Q3
$58K Sell
3
-64
-96% -$13.5K ﹤0.01% 5468
2020
Q2
$1.2M Buy
67
+6
+10% +$1.04K ﹤0.01% 1979
2020
Q1
$984K Buy
61
+59
+2,950% +$9.94K ﹤0.01% 1898
2019
Q4
$32K Hold
2
﹤0.01% 5603
2019
Q3
$26K Hold
2
﹤0.01% 5612
2019
Q2
$32K Buy
+2
New +$289 ﹤0.01% 5225
2019
Q1
Sell
-56
Closed -$684K 7681
2018
Q4
$684K Sell
56
-8
-13% -$1.07K ﹤0.01% 1947
2018
Q3
$958K Buy
64
+56
+700% +$7.84K ﹤0.01% 1936
2018
Q2
$110K Buy
8
+3
+60% +$427 ﹤0.01% 4183
2018
Q1
$20K Buy
+5
New +$516 ﹤0.01% 3363

Other funds holding PEN

Simplex Trading's PEN Position: Q1 2026 in Review

Simplex Trading increased its Penumbra (PEN) stake by 13,530% in Q1 2026, buying an estimated $5.96M and bringing the position to 17,719 shares worth $5.82M. The position accounts for ﹤0.01% of the portfolio, ranked #1010.

Simplex Trading first reported a position in PEN in Q4 2016 and has held it in 21 quarters since. 482 funds tracked by Wall St. Rank hold PEN as of Q1 2026.

  • Simplex Trading held 17,719 shares of Penumbra worth $5.82M as of Q1 2026.
  • Simplex Trading bought 17,589 Penumbra shares in Q1 2026, an estimated $5.96M.
  • Penumbra made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #1010 holding.
  • Simplex Trading first reported a position in Penumbra in Q4 2016 and has held it in 21 quarters since.
  • 482 funds tracked by Wall St. Rank held Penumbra as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.