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Aptose Biosciences Inc.

APTODelisted Jul 21, 2025
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0000882361

Aptose Biosciences Inc. was delisted on Jul 21, 2025; its insiders filed their last Form 4 on Jul 2, 2026; 16 institutions reported holding it in 13F filings for Q1 2025, worth $486.8K in total; no superinvestor held it.

Q3 2024 vs. Q2 2024

How the institutions holding Aptose Biosciences Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of APTO: Q2 2024 compared with Q3 2024
MeasureQ2 2024Q3 2024Change
Holders2426+2
Shares2.71M3.23M+522.5K (+19.3%)
Value$2.06M$1.33M−$728.0K (−35.4%)

New holders (4)

Institutions that held Aptose Biosciences Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to APTO in Q3 2024
InstitutionSharesValue% of portfolio
UBS Group AG133,476$54.9K0.00%
Two Sigma Securities, LLC30,427$12.5K0.00%
Annandale Capital, LLC26,666$11.0K0.00%
Wells Fargo & Company55$230.00%

Sold out (2)

Institutions that held Aptose Biosciences Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of APTO in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
ORG Partners LLC4,000$2.98K
National Bank of Canada1$1