Jane Street’s Tradr 2X Long UPST Daily ETF UPSX Stock Holding History

Jane Street’s Portfolio UPSX Stock Details UPSX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-7,820	Closed	-$387K	–	13486
2025 Q4	$387K	Buy	+7,820	New	+$471K	﹤0.01%	8266

Other funds holding UPSX

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Jane Street's UPSX Position: Q1 2026 in Review

Jane Street sold out of Tradr 2X Long UPST Daily ETF (UPSX) in Q1 2026, closing a stake of 7,820 shares — an estimated $387K sold.

Jane Street first reported a position in UPSX in Q4 2025 and held it in 1 quarter. The position peaked at $387K in Q4 2025. 4 funds tracked by Wall St. Rank hold UPSX as of Q1 2026.

Jane Street reported no remaining Tradr 2X Long UPST Daily ETF position as of Q1 2026 after selling out during the quarter.
Jane Street sold 7,820 Tradr 2X Long UPST Daily ETF shares in Q1 2026, an estimated $387K.
Jane Street first reported a position in Tradr 2X Long UPST Daily ETF in Q4 2025 and held it in 1 quarter.
Jane Street's Tradr 2X Long UPST Daily ETF position peaked at $387K in Q4 2025.
4 funds tracked by Wall St. Rank held Tradr 2X Long UPST Daily ETF as of Q1 2026.

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