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.
Q1 2025 vs. Q4 2024
How the institutions holding Aptose Biosciences Inc. changed between Q4 2024 and Q1 2025.
All holders in Q1 2025All holders in Q4 2024
| Measure | Q4 2024 | Q1 2025 | Change |
|---|---|---|---|
| Holders | 26 | 16 | −10 |
| Shares | 3.99M | 154.6K | −3.83M (−96.1%) |
| Value | $897.3K | $486.8K | −$410.5K (−45.7%) |
New holders (4)
Institutions that held Aptose Biosciences Inc. at the end of Q1 2025 but not at the end of Q4 2024.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Citadel Advisors LLC | 12,007 | $38.0K | 0.00% |
| National Bank of Canada | 93 | $293 | 0.00% |
| Danske Bank A/S | 4 | $13 | 0.00% |
| JPMorgan Chase & Co | 36 | $8 | 0.00% |
Sold out (14)
Institutions that held Aptose Biosciences Inc. at the end of Q4 2024 and filed for Q1 2025 without it.
| Institution | Shares, Q4 2024 | Value, Q4 2024 |
|---|---|---|
| DRW Securities, LLC | 592,829 | $133.6K |
| UBS Group AG | 57,827 | $13.0K |
| HRT Financial LP | 43,112 | $9.00K |
| Annandale Capital, LLC | 26,666 | $6.00K |
| Cetera Investment Advisers | 19,206 | $4.40K |
| Nations Financial Group Inc, | 19,500 | $4.39K |
| Two Sigma Securities, LLC | 11,398 | $2.57K |
| US Bancorp | 2,020 | $455 |
| Advisor Group Holdings, Inc. | 420 | $95 |
| Caldwell Sutter Capital, Inc. | 92 | $21 |
| Steward Partners Investment Advisory, LLC | 3 | $1 |
| Pacific Capital Wealth Advisors, Inc | 6 | $1 |
| FIL Ltd | 1 | $0 |
| Citigroup Inc | 1 | $0 |