Jane Street
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Jane Street’s SES AI SES Stock Holding History

Jane Street’s Portfolio SES Stock Details SES Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$41.5K Buy
43,100
+9,400
+28% +$16K ﹤0.01% 11031
2025
Q4 		$60.7K Buy
+33,700
New +$75.5K ﹤0.01% 10431
2025
Q3 		– Sell
-25,300
Closed -$22.5K – 11663
2025
Q2 		$22.5K Sell
25,300
-6,600
-21% -$5.54K ﹤0.01% 9345
2025
Q1 		$16.6K Sell
31,900
-52,400
-62% -$48.2K ﹤0.01% 9164
2024
Q4 		$185K Buy
+84,300
New +$48.1K ﹤0.01% 8461
2022
Q4 		– Sell
-12,000
Closed -$59K – 10046
2022
Q3 		$59K Sell
12,000
-2,800
-19% -$13.6K ﹤0.01% 8872
2022
Q2 		$58K Sell
14,800
-48,900
-77% -$313K ﹤0.01% 8882
2022
Q1 		$576K Buy
+63,700
New +$480K ﹤0.01% 7202

Other funds holding SES

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
GMH
General Motors Holdings Detroit, Michigan $90.5M AUM 41.49% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Jane Street's SES Position: Q1 2026 in Review

Jane Street sold out of SES AI (SES) in Q1 2026, closing a stake of 2,736,870 shares — an estimated $4.65M sold.

Jane Street first reported a position in SES in Q1 2021 and held it in 17 quarters. The position peaked at $4.93M in Q4 2025. 141 funds tracked by Wall St. Rank hold SES as of Q1 2026.

  • Jane Street reported no remaining SES AI position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 2,736,870 SES AI shares in Q1 2026, an estimated $4.65M.
  • Jane Street first reported a position in SES AI in Q1 2021 and held it in 17 quarters.
  • Jane Street's SES AI position peaked at $4.93M in Q4 2025.
  • 141 funds tracked by Wall St. Rank held SES AI as of Q1 2026.

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