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
Q1 		$12K Buy
+1,506
New +$13.6K ﹤0.01% 3650
2025
Q2 		– Sell
-1,004
Closed -$8.43K – 2321
2025
Q1 		$8.43K Buy
+1,004
New +$11.5K ﹤0.01% 2270

Other funds holding APM

Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 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

XTX Topco's APM Position: Q1 2026 in Review

XTX Topco opened a new position in Aptorum Group (APM) in Q1 2026: 1,506 shares worth $12K. The stake represents ﹤0.01% of the portfolio and ranks #3650 among its holdings. This is a return to the name: XTX Topco previously reported a position in APM as recently as Q1 2025.

XTX Topco first reported a position in APM in Q1 2025 and has held it in 2 quarters since. 8 funds tracked by Wall St. Rank hold APM as of Q1 2026.

  • XTX Topco held 1,506 shares of Aptorum Group worth $12K as of Q1 2026.
  • Aptorum Group was a new XTX Topco position in Q1 2026.
  • Aptorum Group made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3650 holding.
  • XTX Topco first reported a position in Aptorum Group in Q1 2025 and has held it in 2 quarters since.
  • 8 funds tracked by Wall St. Rank held Aptorum Group as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.