Jane Street
SST icon

Jane Street’s System1 SST Stock Holding History

Jane Street’s Portfolio SST Stock Details SST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2023
Q4 		– Sell
-21,250
Closed -$257K – 9777
2023
Q3 		$257K Hold
21,250
– – ﹤0.01% 7294
2023
Q2 		$956K Hold
21,250
– – ﹤0.01% 5252
2023
Q1 		$914K Sell
21,250
-1,440
-6% -$63.9K ﹤0.01% 5172
2022
Q4 		$1.06M Sell
22,690
-2,040
-8% -$105K ﹤0.01% 4901
2022
Q3 		$1.56M Buy
24,730
+1,270
+5% +$111K ﹤0.01% 4622
2022
Q2 		$1.64M Buy
23,460
+10,020
+75% +$1.26M ﹤0.01% 4540
2022
Q1 		$1.95M Buy
+13,440
New +$1.65M ﹤0.01% 4812

Other funds holding SST

CH
Cannae Holdings Las Vegas, Nevada $134M AUM 85.46% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Cerity Partners
Cerity Partners New York $70.8B AUM 21.68% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 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
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return

Jane Street's SST Position: Q3 2025 in Review

Jane Street sold out of System1 (SST) in Q3 2025, closing a stake of 31,681 shares — an estimated $175K sold.

Jane Street first reported a position in SST in Q4 2021 and held it in 15 quarters. The position peaked at $4.18M in Q4 2021. 30 funds tracked by Wall St. Rank hold SST as of Q3 2025.

  • Jane Street reported no remaining System1 position as of Q3 2025 after selling out during the quarter.
  • Jane Street sold 31,681 System1 shares in Q3 2025, an estimated $175K.
  • Jane Street first reported a position in System1 in Q4 2021 and held it in 15 quarters.
  • Jane Street's System1 position peaked at $4.18M in Q4 2021.
  • 30 funds tracked by Wall St. Rank held System1 as of Q3 2025.

Based on Jane Street's 13F filing for Q3 2025, filed 14 Nov 2025.