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
Q1 		$5.98M Sell
18,200
-100
-0.5% -$33.9K ﹤0.01% 3250
2025
Q4 		$5.69M Sell
18,300
-2,500
-12% -$690K ﹤0.01% 3033
2025
Q3 		$5.27M Sell
20,800
-30,700
-60% -$7.74M ﹤0.01% 3344
2025
Q2 		$13.2M Buy
51,500
+23,500
+84% +$6.4M ﹤0.01% 1837
2025
Q1 		$7.49M Sell
28,000
-13,800
-33% -$3.73M ﹤0.01% 2359
2024
Q4 		$9.93M Sell
41,800
-43,400
-51% -$9.87M ﹤0.01% 1893
2024
Q3 		$16.6M Sell
85,200
-42,400
-33% -$8.01M ﹤0.01% 1400
2024
Q2 		$23M Buy
127,600
+40,100
+46% +$8.01M 0.01% 1203
2024
Q1 		$19.5M Buy
87,500
+26,300
+43% +$6.5M ﹤0.01% 1205
2023
Q4 		$15.4M Sell
61,200
-4,500
-7% -$995K ﹤0.01% 1512
2023
Q3 		$15.9M Sell
65,700
-500
-0.8% -$139K 0.01% 1307
2023
Q2 		$22.8M Buy
66,200
+39,100
+144% +$12M 0.01% 1090
2023
Q1 		$7.55M Sell
27,100
-4,000
-13% -$1.02M ﹤0.01% 1930
2022
Q4 		$6.92M Buy
31,100
+100
+0.3% +$19.6K ﹤0.01% 2059
2022
Q3 		$5.88M Buy
31,000
+10,800
+53% +$1.73M ﹤0.01% 2367
2022
Q2 		$2.52M Sell
20,200
-15,100
-43% -$2.4M ﹤0.01% 3741
2022
Q1 		$7.84M Buy
35,300
+19,300
+121% +$4.29M ﹤0.01% 2329
2021
Q4 		$4.6M Buy
16,000
+100
+0.6% +$26.4K ﹤0.01% 2993
2021
Q3 		$4.24M Sell
15,900
-12,300
-44% -$3.31M ﹤0.01% 3012
2021
Q2 		$7.73M Sell
28,200
-13,800
-33% -$3.77M ﹤0.01% 2030
2021
Q1 		$11.4M Sell
42,000
-21,900
-34% -$5.65M 0.01% 1431
2020
Q4 		$11.2M Buy
63,900
+50,800
+388% +$11.1M 0.01% 1319
2020
Q3 		$2.55M Buy
13,100
+11,800
+908% +$2.48M ﹤0.01% 2674
2020
Q2 		$232K Buy
+1,300
New +$226K ﹤0.01% 6185

Other funds holding PEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Jane Street's PEN Position: Q1 2026 in Review

Jane Street increased its Penumbra (PEN) stake by 24% in Q1 2026, buying an estimated $137K and bringing the position to 2,101 shares worth $690K. The position accounts for ﹤0.01% of the portfolio, ranked #7300.

Jane Street first reported a position in PEN in Q1 2016 and has held it in 33 quarters since. The position peaked at $21M in Q4 2023. 483 funds tracked by Wall St. Rank hold PEN as of Q1 2026.

  • Jane Street held 2,101 shares of Penumbra worth $690K as of Q1 2026.
  • Jane Street bought 405 Penumbra shares in Q1 2026, an estimated $137K.
  • Penumbra made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #7300 holding.
  • Jane Street first reported a position in Penumbra in Q1 2016 and has held it in 33 quarters since.
  • Jane Street's Penumbra position peaked at $21M in Q4 2023.
  • 483 funds tracked by Wall St. Rank held Penumbra as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.