Rubric Capital Management LP

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

156

Stocks Covered

Latest Filing

Feb 13, 2026

Filings

Mereo BioPharma Group plc

SC 13G/A · Feb 14, 2022

13.7%

74.6M shares

Whole Earth Brands, Inc.

SC 13G/A · Feb 14, 2022

8.1%

3.1M shares

Collegium Pharmaceutical, Inc.

SC 13G/A · Feb 14, 2022

7.5%

2.6M shares

Vincerx Pharma, Inc.

SC 13G · Feb 10, 2022

10.0%

2.1M shares

Telesat Corporation

SC 13G · Jan 21, 2022

11.7%

1.4M shares

Radius Health, Inc.

SC 13G · Jan 3, 2022

14.7%

7.0M shares