XT
APM

XTX Topco’s Aptorum Group APM Stock Holding History

XTX Topco’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 		– Sell
-15,061
Closed -$12K – 4131
2026
Q1 		$12K Buy
+15,061
New +$13.6K ﹤0.01% 3650
2025
Q2 		– Sell
-10,039
Closed -$8.43K – 2321
2025
Q1 		$8.43K Buy
+10,039
New +$11.5K ﹤0.01% 2270

Other funds holding APM

Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

XTX Topco's APM Position: Q2 2026 in Review

XTX Topco sold out of Aptorum Group (APM) in Q2 2026, closing a stake of 15,061 shares — an estimated $12K sold.

XTX Topco first reported a position in APM in Q1 2025 and held it in 2 quarters. The position peaked at $12K in Q1 2026. 5 funds tracked by Wall St. Rank hold APM as of Q2 2026.

  • XTX Topco reported no remaining Aptorum Group position as of Q2 2026 after selling out during the quarter.
  • XTX Topco sold 15,061 Aptorum Group shares in Q2 2026, an estimated $12K.
  • XTX Topco first reported a position in Aptorum Group in Q1 2025 and held it in 2 quarters.
  • XTX Topco's Aptorum Group position peaked at $12K in Q1 2026.
  • 5 funds tracked by Wall St. Rank held Aptorum Group as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.