Simplex Trading
PEN icon

Simplex Trading’s Penumbra PEN Stock Holding History

Simplex Trading’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
2026
Q2 		$582K Sell
1,843
-15,876
-90% -$5.14M ﹤0.01% 3414
2026
Q1 		$5.82M Buy
17,719
+17,589
+13,530% +$5.96M ﹤0.01% 1010
2025
Q4 		$40.4K Buy
+130
New +$35.9K ﹤0.01% 5852
2025
Q1 		– Sell
-128
Closed -$34.6K – 9375
2024
Q4 		$30K Buy
+128
New +$29.1K ﹤0.01% 6363
2024
Q2 		– Sell
-989
Closed -$197K – 9566
2024
Q1 		$220K Sell
989
-7,322
-88% -$1.81M ﹤0.01% 4740
2023
Q4 		$2.09M Buy
8,311
+2,060
+33% +$455K ﹤0.01% 2317
2023
Q3 		$1.51M Buy
+6,251
New +$1.74M ﹤0.01% 2316
2023
Q1 		– Sell
-4,359
Closed -$1.11M – 9853
2022
Q4 		$969K Buy
4,359
+1,708
+64% +$334K ﹤0.01% 2493
2022
Q3 		$502K Buy
+2,651
New +$425K ﹤0.01% 3465
2021
Q4 		– Sell
-199
Closed -$52.6K – 11187
2021
Q3 		$54K Hold
199
– – ﹤0.01% 7426
2021
Q2 		$54K Buy
199
+133
+202% +$36.3K ﹤0.01% 7555
2021
Q1 		$17K Buy
+66
New +$17K ﹤0.01% 7586
2020
Q3 		– Sell
-655
Closed -$138K – 8311
2020
Q2 		$117K Sell
655
-1,144
-64% -$199K ﹤0.01% 4644
2020
Q1 		$290K Sell
1,799
-1,504
-46% -$253K ﹤0.01% 3190
2019
Q4 		$542K Sell
3,303
-4,080
-55% -$649K ﹤0.01% 2669
2019
Q3 		$992K Buy
7,383
+3,017
+69% +$467K ﹤0.01% 1938
2019
Q2 		$698K Sell
4,366
-7,859
-64% -$1.13M ﹤0.01% 2259
2019
Q1 		$1.8M Buy
+12,225
New +$1.75M 0.01% 1463
2018
Q1 		– Sell
-1,911
Closed -$197K – 6682
2017
Q4 		$179K Buy
1,911
+1,027
+116% +$102K 0.01% 1354
2017
Q3 		$79K Buy
+884
New +$76.2K ﹤0.01% 1923
2017
Q2 		– Sell
-2,565
Closed -$214K – 6613
2017
Q1 		$214K Buy
2,565
+265
+12% +$20.1K 0.01% 1172
2016
Q4 		$146K Buy
+2,300
New +$154K 0.01% 1258

Other funds holding PEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
ECM
ExodusPoint Capital Management New York $15.5B AUM 38.81% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Simplex Trading's PEN Position: Q2 2026 in Review

Simplex Trading reduced its Penumbra (PEN) stake by 90% in Q2 2026, selling an estimated $5.14M and leaving 1,843 shares worth $582K. The position accounts for ﹤0.01% of the portfolio, ranked #3414.

Simplex Trading first reported a position in PEN in Q4 2016 and has held it in 22 quarters since. The position peaked at $5.82M in Q1 2026. 452 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

  • Simplex Trading held 1,843 shares of Penumbra worth $582K as of Q2 2026.
  • Simplex Trading sold 15,876 Penumbra shares in Q2 2026, an estimated $5.14M.
  • Penumbra made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3414 holding.
  • Simplex Trading first reported a position in Penumbra in Q4 2016 and has held it in 22 quarters since.
  • Simplex Trading's Penumbra position peaked at $5.82M in Q1 2026.
  • 452 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.