Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
138
Stocks Covered
53
Latest Filing
Feb 17, 2026
Fusion Pharmaceuticals Inc.
SC 13D/A · Feb 28, 2023
4.7%
2.9M shares
Enliven Therapeutics, Inc.
SC 13D · Feb 28, 2023
21.8%
8.9M shares
Kinnate Biopharma Inc.
SC 13D/A · Feb 23, 2023
10.6%
4.7M shares
X4 PHARMACEUTICALS, INC.
SC 13G/A · Feb 14, 2023
8.2%
10.3M shares
Sonendo, Inc.
0.0%
0 shares
NeuroPace, Inc.
16.1%
4.0M shares
Applied Therapeutics, Inc.
10.0%
7.3M shares
89bio, Inc.
SC 13D/A · Jan 26, 2023
3.2%
1.5M shares
SpringWorks Therapeutics, Inc.
SC 13D/A · Jan 5, 2023
8.0%
5.0M shares
Disc Medicine, Inc.
SC 13D/A · Jan 3, 2023
12.8%
2.2M shares
Terns Pharmaceuticals, Inc.
SC 13D/A · Dec 28, 2022
15.4%
7.6M shares
ORIC Pharmaceuticals, Inc.
SC 13D/A · Dec 27, 2022
4.5%
1.8M shares
Verona Pharma plc
5.6%
4.3M shares
ARS Pharmaceuticals, Inc.
SC 13D/A · Nov 30, 2022
8.3%
7.8M shares
scPharmaceuticals Inc.
SC 13D/A · Nov 29, 2022
16.3%
5.6M shares
Tricida, Inc.
SC 13D/A · Nov 25, 2022
1.1%
667K shares
Compass Therapeutics, Inc.
SC 13D/A · Nov 10, 2022
14.9%
18.8M shares
Keros Therapeutics, Inc.
SC 13D/A · Nov 7, 2022
4.6%
1.3M shares
Third Harmonic Bio, Inc.
SC 13D · Sep 28, 2022
14.3%
5.8M shares
Alpine Immune Sciences, Inc.
SC 13D/A · Sep 27, 2022
9.3%
4.1M shares
Edgewise Therapeutics, Inc.
SC 13D/A · Sep 16, 2022
23.3%
14.3M shares
SC 13D/A · Sep 14, 2022
Xtant Medical Holdings, Inc.
SC 13D/A · Aug 30, 2022
67.9%
73.1M shares
Arcutis Biotherapeutics, Inc.
SC 13D/A · Aug 26, 2022
2.8M shares
TELA Bio, Inc.
SC 13D/A · Aug 19, 2022
16.5%
3.1M shares
SC 13D/A · Aug 18, 2022
19.9%
7.5M shares
SC 13D/A · Aug 12, 2022
6.9%
SC 13D/A · Aug 8, 2022
5.4%
SC 13D/A · Jul 5, 2022
SC 13D/A · Jun 28, 2022
3.5M shares
Passage BIO, Inc.
SC 13D/A · May 5, 2022
12.6%
6.8M shares
SC 13D/A · Apr 8, 2022
7.6%
3.8M shares
PMV Pharmaceuticals, Inc.
SC 13D/A · Apr 1, 2022
14.5%
6.6M shares
Sierra Oncology, Inc.
SC 13D/A · Mar 15, 2022
12.2%
3.0M shares
SC 13G/A · Feb 11, 2022
6.4%
SC 13G · Feb 11, 2022
7.5%
2.0M shares
Fluidigm Corporation
0.5%
402K shares
