Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
46
Stocks Covered
17
Latest Filing
Aug 14, 2025
Werewolf Therapeutics, Inc.
SC 13G/A · Aug 14, 2025
0.9%
401K shares
PMV Pharmaceuticals, Inc.
0.0%
0 shares
SC 13G/A · May 15, 2025
6.4%
3.3M shares
Outset Medical, Inc.
SC 13G · Mar 17, 2025
9.4%
25.0M shares
SC 13G · Feb 21, 2025
5.0%
2.6M shares
SC 13G/A · Feb 14, 2025
6.5%
2.9M shares
ESSA Pharma Inc.
SC 13G/A · Nov 14, 2024
6.2%
6 shares
7.8%
Caribou Biosciences, Inc.
4.8%
Bright Minds Biosciences Inc.
SC 13G/A · Oct 22, 2024
Praxis Precision Medicines, Inc.
SC 13G/A · Feb 14, 2024
0.5%
9.6%
bluebird bio, Inc.
1.9%
7.3%
7.4%
SC 13G · Apr 21, 2023
5.7%
IO Biotech, Inc.
SC 13G/A · Feb 14, 2023
1.8%
Generation Bio Co.
4.9%
Jounce Therapeutics, Inc.
0.7%
Adaptimmune Therapeutics PLC
3.0%
Erasca, Inc.
3.2%
Arcus Biosciences, Inc.
3.7%
uniQure N.V.
5.9%
Axsome Therapeutics, Inc.
8.7%
SC 13G · Jan 17, 2023
5.3%
SC 13G/A · Jan 17, 2023
4.2%
ESSA Pharma, Inc.
SC 13G · Nov 10, 2022
SC 13G · Oct 24, 2022
5.4%
SC 13G · Oct 17, 2022
5.5%
SC 13G · Sep 6, 2022
6.3%
5.1%
SC 13G · Jul 18, 2022
SC 13G · Jun 17, 2022
SC 13G · May 9, 2022
5.8%
SC 13G · May 2, 2022
SC 13G · Apr 25, 2022
5.2%
Aerie Pharmaceuticals, Inc.
SC 13G/A · Feb 14, 2022
2.3%
6.8%
