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Aptorum Group Limited

Q1 2026 vs Q2 2026

Comparing institutional holders between quarters

Quarters

Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025
CompareDetailedHistoricalFundsOptionsShort Interest13D/13GPeersTargetingTrading SummaryProfile
Jane Street Group, LLC
NEW
Shares58,461
Change+58,461
Value$45.7K
Filed 2026-08-14
Citadel Advisors LLC
DECREASED
Shares24,492 from 92,420
Change-67,928 (-73%)
Value$19.2K (-$54.4K)
Filed 2026-09-02
Citigroup Inc
NEW
Shares6,398
Change+6,398
Value$5.0K
Filed 2026-08-03
Osaic Holdings, Inc.
UNCHANGED
Shares5,500 from 5,500
Change0 (0%)
Value$4.3K (-$110)
Filed 2026-08-14
SBI Securities Co., Ltd.
UNCHANGED
Shares7 from 7
Change0 (0%)
Value$5 (-$1)
Filed 2026-07-23
Susquehanna International Group, LLP
CLOSED
Shares0 from 16,777
Change-16,777 (-100%)
Value$0 (-$13.4K)
Filed 2026-08-14
XTX Topco Ltd
CLOSED
Shares0 from 15,061
Change-15,061 (-100%)
Value$0 (-$12.0K)
Filed 2026-08-14
Morgan Stanley
CLOSED
Shares0 from 13,262
Change-13,262 (-100%)
Value$0 (-$10.6K)
Filed 2026-08-13
Renaissance Technologies LLC
CLOSED
Shares0 from 11,838
Change-11,838 (-100%)
Value$0 (-$9.4K)
Filed 2026-08-13
UBS Group AG
CLOSED
Shares0 from 1,629
Change-1,629 (-100%)
Value$0 (-$1.3K)
Filed 2026-08-13
Status
Jane Street Group, LLC
NEW58,461—+58,461——$45.7K—2026-08-14
Citadel Advisors LLC
DECREASED24,49292,420-67,928-73%$73.6K$19.2K-$54.4K2026-09-02
Citigroup Inc
NEW6,398—+6,398——$5.0K—2026-08-03
Osaic Holdings, Inc.
UNCHANGED5,5005,50000%$4.4K$4.3K-$1102026-08-14
SBI Securities Co., Ltd.
UNCHANGED7700%$6$5-$12026-07-23
Susquehanna International Group, LLP
CLOSED016,777-16,777-100%$13.4K$0-$13.4K2026-08-14
XTX Topco Ltd
CLOSED015,061-15,061-100%$12.0K$0-$12.0K2026-08-14
Morgan Stanley
CLOSED013,262-13,262-100%$10.6K$0-$10.6K2026-08-13
Renaissance Technologies LLC
CLOSED011,838-11,838-100%$9.4K$0-$9.4K2026-08-13
UBS Group AG
CLOSED01,629-1,629-100%$1.3K$0-$1.3K2026-08-13
Showing 10 of 10 institutions