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.
Q4 2024 vs. Q3 2024
How the institutions holding Aptose Biosciences Inc. changed between Q3 2024 and Q4 2024.
All holders in Q4 2024All holders in Q3 2024
| Measure | Q3 2024 | Q4 2024 | Change |
|---|---|---|---|
| Holders | 26 | 26 | 0 |
| Shares | 3.23M | 3.99M | +754.9K (+23.4%) |
| Value | $1.33M | $897.3K | −$430.8K (−32.4%) |
New holders (5)
Institutions that held Aptose Biosciences Inc. at the end of Q4 2024 but not at the end of Q3 2024.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Bleichroeder LP | 2,500,000 | $563.3K | 0.14% |
| HRT Financial LP | 43,112 | $9.00K | 0.00% |
| Nations Financial Group Inc, | 19,500 | $4.39K | 0.00% |
| SBI Securities Co., Ltd. | 135 | $30 | 0.00% |
| Steward Partners Investment Advisory, LLC | 3 | $1 | 0.00% |
Sold out (5)
Institutions that held Aptose Biosciences Inc. at the end of Q3 2024 and filed for Q4 2024 without it.
| Institution | Shares, Q3 2024 | Value, Q3 2024 |
|---|---|---|
| Armistice Capital, LLC | 1,888,000 | $775.8K |
| Nantahala Capital Management, LLC | 77,340 | $31.8K |
| Texas Capital Bank Wealth Management Services Inc | 12,448 | $5.12K |
| PDS Planning, Inc | 10,000 | $4.11K |
| Wells Fargo & Company | 55 | $23 |