APTO Aptose Biosciences Inc.: institutional ownership and insider trading
2 funds reported holding $32.3K of Aptose Biosciences Inc. in their latest 13F filings; in Q2 2026 funds net bought $312, with 0 new positions and 0 funds selling out; over the last 12 months insiders bought $0 and sold $0 on the open market.
Largest institutional holders of APTO
- DRW Securities, LLC — $32.0K
- CALDWELL SUTTER CAPITAL, INC. — $327
Recent APTO insider trades
- Nov 25, 2024: Rice William G. bought 100,000 shares ($20.0K)
5%+ owners
- Hanmi Pharmaceutical Co., Ltd.: 19.9% (Schedule 13D/A, filed Mar 20, 2025)