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 2023 vs. Q2 2023
How the institutions holding Aptose Biosciences Inc. changed between Q2 2023 and Q3 2023.
All holders in Q3 2023All holders in Q2 2023
| Measure | Q2 2023 | Q3 2023 | Change |
|---|---|---|---|
| Holders | 25 | 28 | +3 |
| Shares | 1.01M | 1.16M | +144.5K (+14.3%) |
| Value | $4.71M | $3.25M | −$1.46M (−31.1%) |
New holders (5)
Institutions that held Aptose Biosciences Inc. at the end of Q3 2023 but not at the end of Q2 2023.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Sigma Planning Corp | 145,786 | $408.2K | 0.02% |
| Citadel Advisors LLC | 17,353 | $48.6K | 0.00% |
| Cetera Advisors LLC | 14,996 | $42.0K | 0.00% |
| Toronto Dominion Bank | 4,599 | $12.9K | 0.00% |
| FIL Ltd | 1 | $4 | 0.00% |
Sold out (2)
Institutions that held Aptose Biosciences Inc. at the end of Q2 2023 and filed for Q3 2023 without it.
| Institution | Shares, Q2 2023 | Value, Q2 2023 |
|---|---|---|
| Goldman Sachs Group Inc | 35,472 | $164.6K |
| Voss Capital, LLC | 14,634 | $67.9K |