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 2024 vs. Q4 2023
How the institutions holding Aptose Biosciences Inc. changed between Q4 2023 and Q1 2024.
All holders in Q1 2024All holders in Q4 2023
| Measure | Q4 2023 | Q1 2024 | Change |
|---|---|---|---|
| Holders | 29 | 27 | −2 |
| Shares | 1.19M | 1.01M | −178.8K (−15.0%) |
| Value | $3.02M | $1.68M | −$1.34M (−44.4%) |
New holders (2)
Institutions that held Aptose Biosciences Inc. at the end of Q1 2024 but not at the end of Q4 2023.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Cetera Investment Advisers | 21,322 | $35.4K | 0.00% |
| PDS Planning, Inc | 10,000 | $16.6K | 0.00% |
Sold out (4)
Institutions that held Aptose Biosciences Inc. at the end of Q4 2023 and filed for Q1 2024 without it.
| Institution | Shares, Q4 2023 | Value, Q4 2023 |
|---|---|---|
| Carlson Capital L P | 96,666 | $245.5K |
| Cetera Advisors LLC | 24,355 | $61.1K |
| Two Sigma Securities, LLC | 15,488 | $39.3K |
| UBS Group AG | 7,604 | $19.3K |