Jane Street’s Aptorum Group APM Stock Holding History

Jane Street’s Portfolio APM Stock Details APM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$45.7K	Buy	+58,461	New	+$51.8K	﹤0.01%	10971
2022 Q4	–	Sell	-1,161	Closed	-$13K	–	9083
2022 Q3	$13K	Buy	+1,161	New	+$16.6K	﹤0.01%	9288
2021 Q3	–	Sell	-5,362	Closed	-$171K	–	9872
2021 Q2	$171K	Buy	+5,362	New	+$151K	﹤0.01%	8942
2020 Q4	–	Sell	-1,107	Closed	-$30K	–	7429
2020 Q3	$30K	Buy	+1,107	New	+$31.6K	﹤0.01%	6989

Other funds holding APM

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

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

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

Jane Street's APM Position: Q2 2026 in Review

Jane Street opened a new position in Aptorum Group (APM) in Q2 2026: 58,461 shares worth $45.7K. The stake represents ﹤0.01% of the portfolio and ranks #10971 among its holdings. This is a return to the name: Jane Street previously reported a position in APM as recently as Q3 2022.

Jane Street first reported a position in APM in Q3 2020 and has held it in 4 quarters since. The position peaked at $171K in Q2 2021. 5 funds tracked by Wall St. Rank hold APM as of Q2 2026.

Jane Street held 58,461 shares of Aptorum Group worth $45.7K as of Q2 2026.
Aptorum Group was a new Jane Street position in Q2 2026.
Aptorum Group made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10971 holding.
Jane Street first reported a position in Aptorum Group in Q3 2020 and has held it in 4 quarters since.
Jane Street's Aptorum Group position peaked at $171K in Q2 2021.
5 funds tracked by Wall St. Rank held Aptorum Group as of Q2 2026.

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