13D Filings

RA Capital Management, L.P.

CIK

1346824

13D Filings

64

Companies

24

Latest Filing

Jun 15, 2026, 08:16 PM

Filing History
Company
% Owned
Type
Filed
WEREWOLF THERAPEUTICS, INC.
HOWL

10.60%

-2.00%

Amendment

Jun 15, 2026, 08:16 PM

ARTIVA BIOTHERAPEUTICS, INC.
ARTV

36.60%

+2.90%

Amendment

Jun 15, 2026, 07:37 PM

WEREWOLF THERAPEUTICS, INC.
HOWL

12.60%

-1.20%

Amendment

May 14, 2026, 05:23 PM

ARTIVA BIOTHERAPEUTICS, INC.
ARTV

33.70%

Amendment

May 13, 2026, 05:47 PM

Climb Bio, Inc.
CLYM

33.00%

Amendment

Apr 29, 2026, 06:44 PM

ACRIVON THERAPEUTICS, INC.
ACRV

28.80%

+7.20%

Amendment

Apr 23, 2026, 04:29 PM

VOR BIOPHARMA INC.
VOR

19.90%

Amendment

Apr 21, 2026, 07:05 PM

WAVE LIFE SCIENCES LTD.
WVE

17.10%

-0.40%

Amendment

Apr 17, 2026, 04:57 PM

VOR BIOPHARMA INC.
VOR

19.90%

Amendment

Apr 10, 2026, 06:25 PM

VOR BIOPHARMA INC.
VOR

19.90%

Amendment

Apr 8, 2026, 06:45 PM

VOR BIOPHARMA INC.
VOR

19.90%

Amendment

Apr 1, 2026, 05:09 PM

WAVE LIFE SCIENCES LTD.
WVE

17.50%

+4.10%

Amendment

Mar 30, 2026, 08:32 PM

ACRIVON THERAPEUTICS, INC.
ACRV

21.60%

Amendment

Mar 23, 2026, 04:28 PM

SAB Biotherapeutics, Inc.
SABS

9.90%

Amendment

Mar 23, 2026, 04:25 PM

SOLID BIOSCIENCES INC.
SLDB

9.90%

Amendment

Mar 17, 2026, 06:50 PM

ACUMEN PHARMACEUTICALS, INC.
ABOS

29.50%

+4.70%

Amendment

Mar 17, 2026, 04:33 PM

VOR BIOPHARMA INC.
VOR

19.90%

+5.90%

Amendment

Mar 16, 2026, 04:15 PM

SAB Biotherapeutics, Inc.
SABS

9.90%

Amendment

Mar 11, 2026, 04:43 PM

SOLID BIOSCIENCES INC.
SLDB

9.90%

Amendment

Mar 10, 2026, 04:38 PM

TYRA BIOSCIENCES, INC.
TYRA

21.20%

-1.20%

Amendment

Mar 6, 2026, 04:28 PM

Rows:

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