Citadel Advisors
APM

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
Q1 		$73.6K Sell
9,242
-2,316
-20% -$20.9K ﹤0.01% 12222
2025
Q4 		$123K Buy
+11,558
New +$170K ﹤0.01% 11479
2024
Q3 		– Sell
-1,702
Closed -$74.9K – 14188
2024
Q2 		$74.9K Buy
+1,702
New +$96.6K ﹤0.01% 11286
2022
Q4 		– Sell
-371
Closed -$43K – 14843
2022
Q3 		$43K Buy
+371
New +$52.9K ﹤0.01% 11727
2022
Q1 		– Sell
-405
Closed -$61K – 13512
2021
Q4 		$61K Buy
+405
New +$86.7K ﹤0.01% 13125
2021
Q3 		– Sell
-109
Closed -$35K – 13755
2021
Q2 		$35K Sell
109
-461
-81% -$129K ﹤0.01% 13450
2021
Q1 		$170K Buy
570
+370
+185% +$119K ﹤0.01% 11910
2020
Q4 		$49K Buy
+200
New +$49.3K ﹤0.01% 10570
2020
Q3 		– Sell
-128
Closed -$48K – 10032
2020
Q2 		$48K Buy
+128
New +$43.8K ﹤0.01% 9320

Other funds holding APM

Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $3.65B AUM 41.88% 1-Year Est. Return

Citadel Advisors's APM Position: Q1 2026 in Review

Citadel Advisors reduced its Aptorum Group (APM) stake by 20% in Q1 2026, selling an estimated $20.9K and leaving 9,242 shares worth $73.6K. The position accounts for ﹤0.01% of the portfolio, ranked #12222.

Citadel Advisors first reported a position in APM in Q2 2020 and has held it in 9 quarters since. The position peaked at $170K in Q1 2021. 8 funds tracked by Wall St. Rank hold APM as of Q1 2026.

  • Citadel Advisors held 9,242 shares of Aptorum Group worth $73.6K as of Q1 2026.
  • Citadel Advisors sold 2,316 Aptorum Group shares in Q1 2026, an estimated $20.9K.
  • Aptorum Group made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #12222 holding.
  • Citadel Advisors first reported a position in Aptorum Group in Q2 2020 and has held it in 9 quarters since.
  • Citadel Advisors's Aptorum Group position peaked at $170K in Q1 2021.
  • 8 funds tracked by Wall St. Rank held Aptorum Group as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.