13F

Stock

Aptorum Group Limited

Ticker not mapped · held by 7 managers

Reported value

$163.7K

Holders

7

+1 new · −0 exited

Holders’ est. mark

—

Need a prior quarter

Largest holder

$122.5K

Citadel

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Citadel115.6K$122.5K—Held
TWO SIGMA INVESTMENTS, LP17.4K$18.5K—Held
MORGAN STANLEY13.3K$14.1K—New
OSAIC HOLDINGS, INC.5.5K$5.83K—Held
UBS Group AG2.25K$2.38K—Held
BNP PARIBAS FINANCIAL MARKETS400$424—Held
SBI Securities Co., Ltd.7$7—Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.