Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
219
Stocks Covered
89
Latest Filing
Nov 14, 2025
Zai Lab Limited
SC 13G/A · Nov 14, 2025
2.1%
22.9M shares
Xencor Inc
SC 13G · Nov 14, 2025
8.7%
6.2M shares
uniQure N.V.
7.2%
4.4M shares
Replimune Group, Inc.
8.2%
6.4M shares
MILESTONE PHARMACEUTICALS INC.
9.9%
9.2M shares
Merus N.V.
2.7%
2.0M shares
Immatics N.V.
7.3%
8.8M shares
CARGO THERAPEUTICS, INC.
0.0%
0 shares
Aquestive Therapeutics, Inc.
5.2%
6.3M shares
Alector, Inc.
6.9%
7.0M shares
ACADIA PHARMACEUTICALS INC.
4.2%
7.1M shares
COMPASS Pathways plc
SC 13G/A · Aug 14, 2025
9.5M shares
Compass Therapeutics, Inc.
SC 13G · Aug 14, 2025
5.1%
55.4M shares
Verastem, Inc.
5.6M shares
9.4%
5.2M shares
TAYSHA GENE THERAPIES, INC.
25.2M shares
Tarsus Pharmaceuticals, Inc.
8.1%
3.4M shares
Exagen Inc.
7.7%
1.7M shares
6.4%
3.1M shares
Axsome Therapeutics, Inc.
3.1%
1.5M shares
Akero Therapeutics, Inc.
5.9M shares
Tenax Therapeutics, Inc.
SC 13G · May 15, 2025
10.0%
418K shares
89bio, Inc.
SC 13G/A · May 15, 2025
1.3%
GH Research PLC
8.9%
5.5M shares
PepGen Inc.
Dyne Therapeutics, Inc.
1.5%
Beta Bionics, Inc.
7.6%
3.3M shares
6.0%
2.9M shares
8.3%
4.2M shares
Immunic, Inc.
1.1%
1.0M shares
Taysha Gene Therapies, Inc.
20.7M shares
Oruka Therapeutics, Inc.
1.9M shares
7.9%
4.3M shares
7.9M shares
Rapt Therapeutics, Inc.
11.8M shares
Stoke Therapeutics, Inc.
SC 13G/A · Feb 14, 2025
5.3M shares
9.8%
6.9M shares
Establishment Labs Holdings Inc.
2.8M shares
Milestone Pharmaceuticals Inc.
Acadia Pharmaceuticals Inc.
8.7M shares
Neurogene Inc.
SC 13G · Feb 14, 2025
3.2M shares
SAB Biotherapeutics, Inc.
ESSA Pharma Inc.
2.5%
1.1M shares
Spyre Therapeutics, Inc.
6.2%
3.6M shares
Sage Therapeutics, Inc.
4.9%
3.0M shares
5.5%
6.5M shares
Cutera, Inc.
