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 2023 vs. Q3 2023
How the institutions holding Aptose Biosciences Inc. changed between Q3 2023 and Q4 2023.
All holders in Q4 2023All holders in Q3 2023
| Measure | Q3 2023 | Of which not filed for Q4 2023 | Q4 2023 | Change |
|---|---|---|---|---|
| Holders | 28 | 1 | 29 | +2 |
| Shares | 1.16M | 151 | 1.19M | +33.8K (+2.9%) |
| Value | $3.25M | $423 | $3.02M | −$222.9K (−6.9%) |
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.
New holders (4)
Institutions that held Aptose Biosciences Inc. at the end of Q4 2023 but not at the end of Q3 2023.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Two Sigma Securities, LLC | 15,488 | $39.3K | 0.00% |
| Texas Capital Bank Wealth Management Services Inc | 12,448 | $31.6K | 0.00% |
| Pacific Capital Wealth Advisors, Inc | 6 | $15 | 0.00% |
| Citigroup Inc | 1 | $3 | 0.00% |
Sold out (2)
Institutions that held Aptose Biosciences Inc. at the end of Q3 2023 and filed for Q4 2023 without it.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| Toronto Dominion Bank | 4,599 | $12.9K |
| Tower Research Capital LLC (TRC) | 188 | $526 |
Not filed for Q4 2023 yet (1)
Institutions that held Aptose Biosciences Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| Johnson Midwest Financial, LLC | 151 | $423 |