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Rubric Capital Management LP

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

Total Filings

156

Stocks Covered

58

Latest Filing

Feb 13, 2026

Filings

Zymeworks Inc.

SC 13G/A · Feb 13, 2026

7.7%

5.8M shares

Trevi Therapeutics, Inc.

SC 13G/A · Feb 13, 2026

2.9%

3.8M shares

ARS Pharmaceuticals, Inc.

SC 13G · Feb 13, 2026

6.3%

6.2M shares

Schrodinger, Inc.

SC 13G/A · Feb 13, 2026

6.5%

4.2M shares

ReNew Global plc

SC 13G/A · Feb 13, 2026

4.5%

11.0M shares

QuidelOrtho Corporation

SC 13G/A · Feb 13, 2026

5.6%

3.8M shares

PROTHENA CORPORATION PUBLIC LIMITED COMPANY

SC 13G · Feb 13, 2026

6.8%

3.7M shares

MeiraGTx Holdings plc

SC 13G · Feb 13, 2026

7.9%

6.2M shares

Liberty Global Ltd.

SC 13G · Feb 13, 2026

5.7%

10.0M shares

Cimpress plc

SC 13G · Feb 13, 2026

6.2%

1.5M shares

BGC Group, Inc.

SC 13G · Feb 13, 2026

5.8%

21.0M shares

Arcutis Biotherapeutics, Inc.

SC 13G/A · Feb 13, 2026

6.8%

8.3M shares

Kiniksa Pharmaceuticals International, plc

SC 13G/A · Feb 13, 2026

7.4%

3.3M shares

Collegium Pharmaceutical, Inc.

SC 13G/A · Feb 13, 2026

4.7%

1.5M shares

Talen Energy Corporation

SC 13G/A · Nov 14, 2025

7.8%

3.5M shares

Ecovyst Inc.

SC 13G · Nov 14, 2025

9.1%

10.4M shares

Talen Energy Corporation

SC 13G/A · Jul 9, 2025

9.8%

4.5M shares

QuidelOrtho Corporation

SC 13G/A · Jul 9, 2025

6.9%

4.6M shares

OPKO Health, Inc.

SC 13G/A · Jul 9, 2025

6.0%

47.8M shares

Integra Lifesciences Holdings Corporation

SC 13G/A · Jul 9, 2025

9.5%

7.4M shares

Ovid Therapeutics Inc.

SC 13G/A · Jul 9, 2025

0.7%

479K shares

Adaptive Biotechnologies Corporation

SC 13G/A · Jul 9, 2025

4.1%

6.3M shares

Trevi Therapeutics, Inc.

SC 13G · Jul 9, 2025

7.1%

8.5M shares

TransAlta Corporation

SC 13G · Jul 9, 2025

5.4%

15.9M shares

Collegium Pharmaceutical, Inc.

SC 13G/A · May 14, 2025

9.3%

3.0M shares

Integra Lifesciences Holdings Corporation

SC 13G · May 14, 2025

6.0%

4.6M shares

Kiniksa Pharmaceuticals International, plc

SC 13G/A · May 14, 2025

8.1%

3.4M shares

New Fortress Energy Inc.

SC 13G/A · May 14, 2025

8.9%

24.3M shares

Golar LNG Limited

SC 13G/A · May 14, 2025

8.6%

9.0M shares

GoodRx Holdings, Inc.

SC 13G/A · May 14, 2025

0.0%

0 shares

Dole Plc

SC 13G/A · May 14, 2025

4.4%

4.2M shares

Trevi Therapeutics, Inc.

SC 13G/A · Feb 13, 2025

4.7%

4.2M shares

QuidelOrtho Corp

SC 13G/A · Feb 13, 2025

8.3%

5.5M shares

GoodRx Holdings, Inc.

SC 13G · Feb 13, 2025

5.6%

5.8M shares

GOLAR LNG LTD

SC 13G/A · Feb 13, 2025

7.4%

7.7M shares

COLLEGIUM PHARMACEUTICAL, INC

SC 13G · Feb 13, 2025

7.3%

2.4M shares

Schrodinger, Inc.

SC 13G/A · Feb 13, 2025

7.8%

5.0M shares

Seaport Entertainment Group Inc.

SC 13G/A · Feb 13, 2025

4.5%

573K shares

Talen Energy Corp

SC 13G/A · Feb 13, 2025

13.3%

6.1M shares

Coherus BioSciences, Inc.

SC 13G/A · Feb 13, 2025

4.6%

5.3M shares

Pediatrix Medical Group, Inc.

SC 13G/A · Feb 13, 2025

3.7%

3.1M shares

New Fortress Energy Inc.

SC 13G · Feb 13, 2025

5.6%

15.0M shares

Schrodinger, Inc.

SC 13G · Nov 13, 2024

5.8%

3.7M shares

Sutro Biopharma, Inc.

SC 13G/A · Nov 13, 2024

0.0%

0 shares

Talen Energy Corporation

SC 13G · Nov 13, 2024

22.3%

11.4M shares

Kiniksa Pharmaceuticals International, plc (formerly known as Kiniksa Pharmaceuticals, Ltd.)

SC 13G/A · Nov 13, 2024

6.0%

2.4M shares

Seaport Entertainment Group Inc.

SC 13G · Nov 13, 2024

5.0%

277K shares

Coherus BioSciences, Inc.

SC 13G · Nov 13, 2024

9.0%

10.4M shares

Arcutis Biotherapeutics, Inc.

SC 13G/A · Nov 13, 2024

9.4%

11.0M shares

Dole Plc

SC 13G · Nov 13, 2024

5.4%

5.1M shares