Citadel Advisors’s Aptorum Group APM Stock Holding History

Citadel Advisors’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	$19.2K	Sell	24,492 -67,928	-73%	-$60.2K	﹤0.01%	13411
2026 Q1	$73.6K	Sell	92,420 -23,164	-20%	-$20.9K	﹤0.01%	12222
2025 Q4	$123K	Buy	+115,584	New	+$170K	﹤0.01%	11479
2024 Q3	–	Sell	-17,023	Closed	-$74.9K	–	14188
2024 Q2	$74.9K	Buy	+17,023	New	+$96.6K	﹤0.01%	11286
2022 Q4	–	Sell	-3,711	Closed	-$43K	–	14843
2022 Q3	$43K	Buy	+3,711	New	+$52.9K	﹤0.01%	11727
2022 Q1	–	Sell	-4,052	Closed	-$61K	–	13512
2021 Q4	$61K	Buy	+4,052	New	+$86.7K	﹤0.01%	13125
2021 Q3	–	Sell	-1,091	Closed	-$35K	–	13755
2021 Q2	$35K	Sell	1,091 -4,611	-81%	-$130K	﹤0.01%	13450
2021 Q1	$170K	Buy	5,702 +3,700	+185%	+$119K	﹤0.01%	11910
2020 Q4	$49K	Buy	+2,002	New	+$49.3K	﹤0.01%	10570
2020 Q3	–	Sell	-1,275	Closed	-$48K	–	10032
2020 Q2	$48K	Buy	+1,275	New	+$43.7K	﹤0.01%	9320

Other funds holding APM

Jane Street New York $1.21T AUM 78.12% 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

Citadel Advisors's APM Position: Q2 2026 in Review

Citadel Advisors reduced its Aptorum Group (APM) stake by 73% in Q2 2026, selling an estimated $60.2K and leaving 24,492 shares worth $19.2K. The position accounts for ﹤0.01% of the portfolio, ranked #13411.

Citadel Advisors first reported a position in APM in Q2 2020 and has held it in 10 quarters since. The position peaked at $170K in Q1 2021. 5 funds tracked by Wall St. Rank hold APM as of Q2 2026.

Citadel Advisors held 24,492 shares of Aptorum Group worth $19.2K as of Q2 2026.
Citadel Advisors sold 67,928 Aptorum Group shares in Q2 2026, an estimated $60.2K.
Aptorum Group made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #13411 holding.
Citadel Advisors first reported a position in Aptorum Group in Q2 2020 and has held it in 10 quarters since.
Citadel Advisors's Aptorum Group position peaked at $170K in Q1 2021.
5 funds tracked by Wall St. Rank held Aptorum Group as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.