Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
162
Stocks Covered
66
Latest Filing
Feb 17, 2026
Atreca, Inc.
SC 13G/A · Feb 14, 2022
0.0%
0 shares
Geron Corporation
2.9%
9.6M shares
Savara Inc.
5.3%
3.0M shares
Regulus Therapeutics Inc.
1.7%
2.5M shares
Gritstone Oncology, Inc.
9.3%
6.3M shares
Silverback Therapeutics, Inc.
3.0%
1.1M shares
Infinity Pharmaceuticals, Inc.
AC Immune SA
0.9%
750K shares
Xencor, Inc.
8.4%
4.9M shares
Kura Oncology, Inc.
SC 13G · Jan 31, 2022
6.8%
4.5M shares
Prothena Corporation Public Limited Company
SC 13D/A · Jan 13, 2022
24.9%
11.6M shares
