Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
62
Stocks Covered
19
Latest Filing
Jun 13, 2025
Agios Pharmaceuticals, Inc.
SC 13G/A · Jun 13, 2025
0.0%
0 shares
MACROGENICS INC
Black Diamond Therapeutics, Inc.
SC 13G/A · Mar 21, 2025
4.8%
2.7M shares
Esperion Therapeutics, Inc.
SC 13G/A · Mar 10, 2025
4.9%
9.7M shares
MacroGenics Inc
SC 13G/A · Feb 14, 2025
15.8%
9.9M shares
5.0%
15.1%
8.5M shares
6.2%
3.5M shares
Sage Therapeutics, Inc.
SC 13G/A · Jan 17, 2025
1.9%
1.2M shares
Generation Bio Co.
SC 13G/A · Dec 9, 2024
3.3M shares
MOLECULAR TEMPLATES, INC.
SC 13G/A · Nov 19, 2024
9.9%
904K shares
Ionis Pharmaceuticals, Inc.
SC 13G/A · Nov 15, 2024
7 shares
ESSA Pharma Inc.
Annexon, Inc.
5.2M shares
SC 13G/A · Nov 14, 2024
7.3%
4.5M shares
SC 13G · Apr 23, 2024
5.2%
4.7M shares
SC 13G/A · Feb 13, 2024
19.2%
1 shares
WAVE LIFE SCIENCES LTD.
3.7%
5.8%
5.5%
3.6M shares
MACROGENICS, INC.
16.0%
IONIS PHARMACEUTICALS, INC.
6.0%
8.6M shares
AGIOS PHARMACEUTICALS, INC.
7.2%
4.0M shares
Revolution Medicines, Inc.
3.1%
5.0M shares
16.5%
17.9%
7.9M shares
ESPERION THERAPEUTICS, INC.
SC 13G/A · Jan 24, 2024
5.1%
9.2M shares
4.2M shares
SC 13G · Feb 17, 2023
3.1M shares
KEZAR LIFE SCIENCES, INC.
SC 13G/A · Feb 14, 2023
4.4%
3.0M shares
6.1%
5.7%
Mersana Therapeutics, Inc.
4.1%
4.1M shares
MYOVANT SCIENCES LTD.
5.9M shares
REVOLUTION MEDICINES, INC.
5.4%
4.8M shares
SCHOLAR ROCK HOLDING CORPORATION
2.1M shares
14.8%
5.4M shares
19.9%
11 shares
14.5%
8.9M shares
6.8%
9.6M shares
Radius Health, Inc.
SC 13D/A · Aug 30, 2022
SC 13G/A · Apr 14, 2022
11.0%
SC 13G/A · Feb 11, 2022
9.5%
3.4M shares
7.9%
4.3M shares
10.8M shares
CIDARA THERAPEUTICS, INC.
