IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Aptose Biosciences Inc (APTOF)

CUSIP: 03835T408 | NYSE | Healthcare · Biotechnology | Micro Cap | 20 institutional holders

Quarters

Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025
CompareDetailedHistoricalFundsOptionsShort Interest13D/13GPeersTargetingTrading SummaryProfile

Institutional Holders — Q2 2026

DRW Securities, LLC19,761
0.0% of portfolio›$32.0K
Gleason Group, Inc.4,206
0.0% of portfolio›$6.3K
Caldwell Sutter Capital, Inc.202
0.0% of portfolio›$327
Farther Finance Advisors, LLC10
0.0% of portfolio›$15
StyleTurnoverLocationFiled
DRW Securities, LLC
19,761$32.0K0.0%ValueVery HighChicago, IL2026-08-14
Gleason Group, Inc.
4,206$6.3K0.0%ETFVery LowProspect, KY2026-07-13
Caldwell Sutter Capital, Inc.
202$3270.0%ValueLowSausalito, CA2026-08-05
Farther Finance Advisors, LLC
10$150.0%IndexLowSan Francisco, CA2026-07-17