Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
8
Stocks Covered
1
Latest Filing
Feb 3, 2026
Quantum Biopharma Ltd.
SC 13G/A · Feb 3, 2026
9.8%
376K shares
SC 13G/A · Sep 4, 2025
27.4%
1.0M shares
SC 13G/A · Jul 18, 2025
21.8%
830K shares
SC 13G/A · Jul 10, 2025
19.4%
735K shares
19.9%
689K shares
SC 13G/A · Jun 30, 2025
SC 13G · Jun 11, 2025
13.2%
448K shares
