Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
6
Stocks Covered
5
Latest Filing
Feb 13, 2026
UroGen Pharma Ltd.
SC 13G/A · Feb 13, 2026
4.9%
2.3M shares
PTC THERAPEUTICS, INC.
SC 13G · Feb 13, 2026
5.2%
4.1M shares
GREENBRIER COMPANIES INC
6.0%
1.9M shares
SC 13G · Nov 14, 2025
6.9%
3.2M shares
Stoke Therapeutics, Inc.
5.8%
The Charles Schwab Corporation
SC 13D/A · Aug 3, 2022
9.6%
175.8M shares