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RA Capital Management, L.P.

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

Total Filings

441

Stocks Covered

166

Latest Filing

Feb 17, 2026

Filings

89BIO, INC.

SC 13D/A · Oct 21, 2022

19.9%

9.4M shares

DICE THERAPEUTICS, INC.

SC 13D/A · Oct 19, 2022

14.4%

6.8M shares

INHIBRX, INC.

SC 13G · Oct 17, 2022

8.2%

3.2M shares

ADICET BIO, INC.

SC 13G · Oct 17, 2022

5.5%

2.4M shares

N/A

FORMA THERAPEUTICS HOLDING, INC.

SC 13D/A · Oct 14, 2022

0.0%

0 shares

DESIGN THERAPEUTICS, INC.

SC 13G · Oct 13, 2022

5.3%

3.0M shares

SOLID BIOSCIENCES INC.

SC 13D/A · Oct 4, 2022

11.0%

12.4M shares

ALPINE IMMUNE SCIENCES, INC.

SC 13G · Oct 3, 2022

9.9%

4.4M shares

MAGENTA THERAPEUTICS, INC.

SC 13G/A · Sep 27, 2022

6.1%

3.6M shares

POINT BIOPHARMA GLOBAL INC.

SC 13D/A · Sep 26, 2022

0.0%

0 shares

MAGENTA THERAPEUTICS, INC.

SC 13G · Sep 26, 2022

6.1%

3.6M shares

THIRD HARMONIC BIO, INC.

SC 13G · Sep 26, 2022

8.6%

3.5M shares

POINT BIOPHARMA GLOBAL INC.

SC 13D/A · Sep 16, 2022

8.7%

9.0M shares

N/A

SOLID BIOSCIENCES INC.

SC 13D/A · Sep 6, 2022

11.0%

12.4M shares

COGENT BIOSCIENCES, INC.

SC 13G · Sep 6, 2022

5.5%

3.6M shares

N/A

FORMA THERAPEUTICS HOLDING, INC.

SC 13D/A · Sep 2, 2022

18.9%

9.0M shares

POINT BIOPHARMA GLOBAL INC.

SC 13D/A · Aug 29, 2022

9.9%

9.0M shares

FULCRUM THERAPEUTICS, INC.

SC 13G · Aug 26, 2022

13.4%

7.0M shares

SCPHARMACEUTICALS INC.

SC 13G/A · Aug 15, 2022

0.0%

0 shares

MACROGENICS, INC

SC 13G/A · Aug 15, 2022

0.0%

0 shares

KalVista Pharmaceuticals, Inc.

SC 13G/A · Aug 15, 2022

0.0%

0 shares

TSCAN THERAPEUTICS, INC.

SC 13G/A · Aug 15, 2022

0.0%

0 shares

Cyteir Therapeutics, Inc..

SC 13G/A · Aug 15, 2022

0.0%

0 shares

AKOUOS, INC.

SC 13G/A · Aug 15, 2022

0.0%

0 shares

EDGEWISE THERAPEUTICS, INC.

SC 13G/A · Aug 15, 2022

0.0%

0 shares

Werewolf Therapeutics, Inc.

SC 13D/A · Aug 12, 2022

14.6%

4.3M shares

89BIO, INC.

SC 13D/A · Jul 6, 2022

19.9%

7.8M shares

PEPGEN INC.

SC 13D/A · Jun 23, 2022

34.4%

8.1M shares

INSTIL BIO, INC.

SC 13G · Jun 22, 2022

5.9%

7.7M shares

Wave Life Sciences Ltd.

SC 13D/A · Jun 21, 2022

20.0%

17.3M shares

Kala Pharmaceuticals, Inc.

SC 13D/A · Jun 3, 2022

4.7%

3.4M shares

Kala Pharmaceuticals, Inc.

SC 13D/A · May 31, 2022

8.5%

6.2M shares

Kala Pharmaceuticals, Inc.

SC 13D/A · May 25, 2022

11.1%

8.0M shares

CELCUITY INC.

SC 13G · May 25, 2022

9.9%

1.5M shares

(Amendment ___)* PEPGEN INC.

SC 13D · May 20, 2022

36.3%

8.1M shares

ZOGENIX, INC.

SC 13G/A · May 16, 2022

0.0%

0 shares

PHATHOM PHARMACEUTICALS, INC.

SC 13G/A · May 16, 2022

0.0%

0 shares

Bolt Biotherapeutics, Inc.

SC 13G/A · May 16, 2022

0.0%

0 shares

OLEMA PHARMACEUTICALS, INC.

SC 13G/A · May 16, 2022

0.0%

0 shares

Nkarta, Inc.

SC 13D/A · May 2, 2022

16.2%

7.8M shares

NANOSTRING TECHNOLOGIES, INC.

SC 13G · Apr 28, 2022

7.7%

3.5M shares

ACLARIS THERAPEUTICS, INC.

SC 13G · Apr 25, 2022

7.1%

4.4M shares

VERU INC.

SC 13G · Apr 21, 2022

9.9%

7.9M shares

AN2 THERAPEUTICS, INC.

SC 13G · Apr 8, 2022

19.6%

3.7M shares

Kala Pharmaceuticals, Inc.

SC 13D/A · Apr 1, 2022

15.0%

10.9M shares

FLUIDIGM CORP.

SC 13G · Mar 24, 2022

6.0%

4.7M shares

Cytek BioSciences, Inc.

SC 13D/A · Mar 14, 2022

9.8%

13.1M shares

Cytek BioSciences, Inc.

SC 13D/A · Feb 28, 2022

8.3%

11.1M shares

VERA THERAPEUTICS, INC.

SC 13G · Feb 24, 2022

7.5%

2.0M shares

SCPHARMACEUTICALS INC.

SC 13G/A · Feb 18, 2022

9.8%

2.7M shares