Jane Street
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Jane Street’s Penumbra PEN Stock Holding History

Jane Street’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 		$8.9M Buy
28,200
+7,200
+34% +$2.33M ﹤0.01% 2971
2026
Q1 		$6.9M Buy
21,000
+15,100
+256% +$5.11M ﹤0.01% 3042
2025
Q4 		$1.83M Sell
5,900
-33,500
-85% -$9.25M ﹤0.01% 4973
2025
Q3 		$9.98M Buy
39,400
+35,700
+965% +$9M ﹤0.01% 2426
2025
Q2 		$950K Buy
+3,700
New +$1.01M ﹤0.01% 5712
2024
Q4 		– Sell
-33,400
Closed -$6.49M – 10262
2024
Q3 		$6.49M Sell
33,400
-103,900
-76% -$19.6M ﹤0.01% 2447
2024
Q2 		$24.7M Sell
137,300
-159,100
-54% -$31.8M 0.01% 1142
2024
Q1 		$66.2M Sell
296,400
-36,700
-11% -$9.07M 0.01% 506
2023
Q4 		$83.8M Buy
333,100
+323,300
+3,299% +$71.5M 0.02% 457
2023
Q3 		$2.37M Buy
9,800
+5,500
+128% +$1.53M ﹤0.01% 3771
2023
Q2 		$1.48M Sell
4,300
-39,500
-90% -$12.1M ﹤0.01% 4613
2023
Q1 		$12.2M Sell
43,800
-23,800
-35% -$6.08M 0.01% 1441
2022
Q4 		$15M Buy
67,600
+1,800
+3% +$352K 0.01% 1228
2022
Q3 		$12.5M Buy
65,800
+45,200
+219% +$7.25M 0.01% 1482
2022
Q2 		$2.56M Sell
20,600
-5,800
-22% -$920K ﹤0.01% 3713
2022
Q1 		$5.86M Buy
26,400
+20,600
+355% +$4.58M ﹤0.01% 2772
2021
Q4 		$1.67M Sell
5,800
-7,900
-58% -$2.09M ﹤0.01% 4844
2021
Q3 		$3.65M Sell
13,700
-600
-4% -$161K ﹤0.01% 3286
2021
Q2 		$3.92M Sell
14,300
-16,800
-54% -$4.58M ﹤0.01% 3072
2021
Q1 		$8.41M Sell
31,100
-210,500
-87% -$54.3M ﹤0.01% 1726
2020
Q4 		$42.3M Buy
241,600
+145,500
+151% +$31.9M 0.02% 510
2020
Q3 		$18.7M Buy
96,100
+93,100
+3,103% +$19.6M 0.01% 812
2020
Q2 		$536K Sell
3,000
-6,700
-69% -$1.16M ﹤0.01% 4981
2020
Q1 		$1.56M Buy
+9,700
New +$1.63M ﹤0.01% 2269

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

Jane Street's PEN Position: Q2 2026 in Review

Jane Street increased its Penumbra (PEN) stake by 1,080% in Q2 2026, buying an estimated $7.35M and bringing the position to 24,794 shares worth $7.83M. The position accounts for ﹤0.01% of the portfolio, ranked #3128.

Jane Street first reported a position in PEN in Q1 2016 and has held it in 34 quarters since. The position peaked at $21M in Q4 2023. 451 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

  • Jane Street held 24,794 shares of Penumbra worth $7.83M as of Q2 2026.
  • Jane Street bought 22,693 Penumbra shares in Q2 2026, an estimated $7.35M.
  • Penumbra made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #3128 holding.
  • Jane Street first reported a position in Penumbra in Q1 2016 and has held it in 34 quarters since.
  • Jane Street's Penumbra position peaked at $21M in Q4 2023.
  • 451 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.