Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
80
Stocks Covered
34
Latest Filing
Jan 8, 2026
ALBIREO PHARMA, INC.
SC 13G/A · Apr 10, 2023
0.0%
0 shares
MERUS, N.V.
SC 13G/A · Mar 10, 2023
4.6%
2.1M shares
ARIS WATER SOLUTIONS, INC.
4.7%
1.4M shares
XPONENTIAL FITNESS, INC.
SC 13G/A · Feb 1, 2023
6.8%
1.9M shares
SHOTSPOTTER, INC.
10.8%
1.3M shares
SERES THERAPEUTICS, INC.
14.5%
18.1M shares
SCYNEXIS, INC.
20.0%
6.9M shares
RHYTHM PHARMACEUTICALS, INC.
11.2%
6.3M shares
REZOLUTE, INC.
7.6M shares
REGULUS THERAPEUTICS, INC.
17.3%
2.9M shares
P10, INC.
7.8%
3.2M shares
ORCHARD THERAPEUTICS, PLC
6.6%
8.4M shares
MINERVA NEUROSCIENCES, INC.
22.5%
1.2M shares
8.5%
3.9M shares
IDEAYA BIOSCIENCES, INC.
6.0%
DYNAVAX TECHNOLOGIES CORPORATION
9.9%
12.6M shares
CASI PHARMACEUTICALS, INC.
901K shares
ATYR PHARMA, INC.
18.0%
5.2M shares
9.8%
2.6M shares
ARCTURUS THERAPEUTICS HOLDINGS, INC.
16.0%
4.2M shares
ANNEXON, INC.
6.4%
3.1M shares
ANAPTYSBIO, INC.
8.3%
2.4M shares
AMPHASTAR PHARMACEUTICALS, INC.
3.3M shares
ALECTOR, INC.
5.5%
4.6M shares
9.4%
2.0M shares
MALLINCKRODT PLC
SC 13G · Feb 1, 2023
7.6%
999K shares
FUSION PHARMACEUTICALS, INC.
7.2%
ULTRAGENYX PHARMACEUTICAL, INC.
SC 13G/A · Jan 10, 2023
4.4%
OMEGA ALPHA SPAC
AKOUOS, INC.
