Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
162
Stocks Covered
66
Latest Filing
Feb 17, 2026
Galapagos NV
SC 13G/A · Feb 14, 2023
6.7%
4.4M shares
Avidity Biosciences, Inc.
0.0%
0 shares
2seventy bio, Inc.
3.0%
1.1M shares
Hookipa Pharma Inc.
9.1%
5.0M shares
Tempest Therapeutics Inc.
SC 13G · Feb 14, 2023
10.0%
Surface Oncology, Inc.
SC 13G/A · Feb 13, 2023
6.5%
3.9M shares
Arvinas, Inc.
5.9%
3.1M shares
Xencor, Inc.
8.8%
5.3M shares
Aligos Therapeutics, Inc.
9.9%
Ovid Therapeutics Inc.
SC 13G/A · Feb 10, 2023
8.7%
6.1M shares
Akouos, Inc.
ORIC Pharmaceuticals, Inc.
7.6%
3.4M shares
Kura Oncology, Inc.
6.6M shares
Gritstone bio, Inc.
Atea Pharmaceuticals, Inc.
7.4%
6.2M shares
Alector, Inc.
4.9%
4.1M shares
Solid Biosciences Inc.
SC 13G/A · Feb 9, 2023
Reata Pharmaceuticals, Inc.
Arcus Biosciences, Inc.
Revolution Medicines, Inc.
SC 13G · Jan 23, 2023
5.0%
4.5M shares
Janux Therapeutics, Inc.
SC 13G · Jan 20, 2023
7.8%
3.3M shares
Voyager Therapeutics, Inc.
SC 13G/A · Jan 13, 2023
Graphite Bio, Inc.
SC 13G/A · Jan 9, 2023
14.7%
8.5M shares
Adicet Bio, Inc.
SC 13G · Dec 22, 2022
8.3%
3.6M shares
Centessa Pharmaceuticals PLC
SC 13G · Nov 23, 2022
5.5%
5.2M shares
SC 13G · Nov 18, 2022
9.8%
5.7M shares
Abeona Therapeutics Inc.
SC 13G · Nov 14, 2022
1.8M shares
Zymeworks Inc.
SC 13G/A · Nov 1, 2022
12.0%
7.6M shares
NGM Biopharmaceuticals, Inc.
SC 13G · Oct 28, 2022
8.0%
6.4M shares
6.0M shares
Edgewise Therapeutics, Inc.
SC 13G · Sep 26, 2022
3.5M shares
Springworks Therapeutics, Inc.
SC 13G · Sep 19, 2022
SC 13G · Jun 27, 2022
5.8%
4.3M shares
SC 13G · May 16, 2022
SC 13G/A · Apr 26, 2022
11.1%
SC 13G · Apr 11, 2022
6.3%
2.0M shares
SC 13G · Apr 7, 2022
5.1M shares
SC 13G · Mar 14, 2022
4.7M shares
SC 13G · Feb 14, 2022
7.5%
3.2M shares
SC 13G/A · Feb 14, 2022
7.9%
5.5M shares
9.4%
8.2%
1.9M shares
Shattuck Labs, Inc.
6.1%
8.9%
9.2M shares
2.8M shares
Neoleukin Therapeutics, Inc.
2.0%
861K shares
Morphic Holding, Inc.
10.7%
4.0M shares
