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
$10.5M Buy
32,000
+31,700
+10,567% +$10.7M 0.01% 678
2025
Q4
$93.3K Buy
300
+100
+50% +$27.6K ﹤0.01% 5072
2025
Q3
$50K Buy
+200
New +$50.4K ﹤0.01% 6462
2025
Q2
Sell
-300
Closed -$80K 9480
2025
Q1
$80K Hold
300
﹤0.01% 5301
2024
Q4
$71K Sell
300
-3,000
-91% -$682K ﹤0.01% 5510
2024
Q3
$641K Buy
3,300
+2,900
+725% +$548K ﹤0.01% 3324
2024
Q2
$71K Sell
400
-12,000
-97% -$2.4M ﹤0.01% 5728
2024
Q1
$2.77M Sell
12,400
-18,100
-59% -$4.47M ﹤0.01% 2097
2023
Q4
$7.67M Buy
30,500
+17,200
+129% +$3.8M ﹤0.01% 1267
2023
Q3
$3.22M Buy
13,300
+5,200
+64% +$1.44M ﹤0.01% 1667
2023
Q2
$2.79M Buy
8,100
+5,300
+189% +$1.63M ﹤0.01% 1708
2023
Q1
$780K Buy
2,800
+1,600
+133% +$408K ﹤0.01% 2826
2022
Q4
$266K Buy
1,200
+600
+100% +$117K ﹤0.01% 3882
2022
Q3
$113K Sell
600
-3,600
-86% -$578K ﹤0.01% 5356
2022
Q2
$522K Buy
4,200
+2,600
+163% +$413K ﹤0.01% 3386
2022
Q1
$355K Buy
+1,600
New +$356K ﹤0.01% 4302
2021
Q4
Sell
-8,700
Closed -$2.4M 11188
2021
Q3
$2.4M Buy
8,700
+100
+1% +$26.9K ﹤0.01% 1927
2021
Q2
$2.36M Buy
8,600
+8,475
+6,780% +$2.31M ﹤0.01% 1959
2021
Q1
$3.38M Buy
+125
New +$32.3K 0.01% 1133
2020
Q4
Sell
-31
Closed -$602K 8889
2020
Q3
$602K Sell
31
-48
-61% -$10.1K ﹤0.01% 2784
2020
Q2
$1.41M Buy
79
+67
+558% +$11.6K ﹤0.01% 1815
2020
Q1
$193K Sell
12
-138
-92% -$23.3K ﹤0.01% 3634
2019
Q4
$2.46M Sell
150
-351
-70% -$55.8K 0.01% 1303
2019
Q3
$6.74M Buy
501
+500
+50,000% +$77.3K 0.02% 567
2019
Q2
$16K Sell
1
-5
-83% -$722 ﹤0.01% 5795
2019
Q1
$88K Hold
6
﹤0.01% 4479
2018
Q4
$73K Buy
+6
New +$804 ﹤0.01% 4163
2016
Q4
Sell
-10
Closed -$2K 6349
2016
Q3
$2K Hold
10
﹤0.01% 5011
2016
Q2
$1K Buy
+10
New +$539 ﹤0.01% 5396

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.