Ra Capital Management, L.P. - Significant Ownership

Signature - Title
/s/ Peter Kolchinsky - By Peter Kolchinsky, Authorized Signatory
Location
Boston, MA
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by Ra Capital Management, L.P..

Significant Ownership of Ra Capital Management, L.P.

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VOR VOR BIOPHARMA INC. Common Stock, par value $0.0001 per share 31.8% $5.96M $4.5K 39.7M +0.08% RA Capital Management, L.P. Jun 25, 2025
PEPG PEPGEN INC. Common stock, par value $0.0001 per share 29.2% $26.5M 20.1M RA Capital Management, L.P. Sep 26, 2025
ABOS Acumen Pharmaceuticals, Inc. Common Stock, $0.0001 par value per share 24.8% $16.5M 15M RA Capital Management, L.P. Mar 27, 2025
SION SIONNA THERAPEUTICS, INC. Common Stock, $0.001 par value per share 22.6% $296M -$11M 10.1M -3.58% RA Capital Management, L.P. Nov 5, 2025
TYRA TYRA BIOSCIENCES, INC. Common Stock, $0.0001 par value per share 22.4% $119M $12.1M 11.9M +11.4% RA Capital Management, L.P. Jun 4, 2025
JANX JANUX THERAPEUTICS, INC. Common Stock, par value $0.001 per share 19.9% $321M 12M RA Capital Management, L.P. Mar 6, 2025
WVE WAVE LIFE SCIENCES LTD. Common Stock, $0.00001 par value per share 14.6% $186M 25.5M RA Capital Management, L.P. Nov 11, 2025
HOWL WEREWOLF THERAPEUTICS, INC. Common Stock, $0.0001 par value per share 13.8% $13.2M -$129K 6.68M -0.97% RA Capital Management, L.P. Nov 4, 2025
LENZ LENZ THERAPEUTICS, INC. Common Stock, $0.00001 par value per share 13.6% $199M $210K 4.27M +0.11% RA Capital Management, L.P. Nov 5, 2025
GHRS GH Research PLC Ordinary Shares, Nominal value of $0.025 per share 12.4% $106M $10.1M 7.68M +10.5% RA Capital Management, L.P. Jun 30, 2025
SPRY ARS PHARMACEUTICALS, INC. Common Stock, par value $0.0001 per share 11.1% $111M 10.9M RA Capital Management, L.P. Sep 29, 2025
EVOMMUNE, INC. Common Stock, $0.0001 par value per share 11% 3.46M RA Capital Management, L.P. Nov 7, 2025
CDTX CIDARA THERAPEUTICS, INC. Common Stock, $0.0001 par value per share 10.7% $324M 3.37M 0% RA Capital Management, L.P. Nov 13, 2025
PCVX VAXCYTE, INC. Common Stock, $0.001 par value per share 9.9% $364M 13M RA Capital Management, L.P. Mar 31, 2025
EWTX Edgewise Therapeutics, Inc. Common Stock, par value $0.0001 per share 9.9% $169M 10.4M RA Capital Management, L.P. Sep 30, 2025
NAMS NEWAMSTERDAM PHARMA COMPANY N.V. Ordinary Shares, nominal value EUR0.12 per share 9.9% $167M $2.84M 11.1M +1.73% RA Capital Management, L.P. Mar 31, 2025
MLYS MINERALYS THERAPEUTICS, INC. Common Stock, par value $0.0001 per share 9.9% $119M $23M 7.8M +24% RA Capital Management, L.P. Sep 4, 2025
TSHA TAYSHA GENE THERAPIES, INC. Common Stock, $0.00001 par value per share 9.9% $90.5M $7.57M 27.7M +9.14% RA Capital Management, L.P. Sep 30, 2025
GERN GERON CORPORATION Common Stock, $0.001 par value per share 9.9% $88.9M 64M RA Capital Management, L.P. Mar 31, 2025
MNPR Monopar Therapeutics Inc. Common Stock, par value $0.001 per share 9.9% $60.6M $10M 743K +19.8% RA Capital Management, L.P. Sep 30, 2025
SLDB SOLID BIOSCIENCES INC. Common Stock, $0.001 par value per share 9.9% $46.4M 8M RA Capital Management, L.P. Aug 12, 2025
SLDB SOLID BIOSCIENCES INC. Common Stock, $0.001 par value per share 9.9% $32M 7.99M RA Capital Management, L.P. Feb 19, 2025
CCCC C4 Therapeutics, Inc. Common Stock, $0.0001 par value per share 9.9% $21M $21M 9.44M RA Capital Management, L.P. Oct 17, 2025
IVVD Invivyd, Inc. Common Stock, $0.0001 par value per share 9.9% $18.6M 21.3M RA Capital Management, L.P. Aug 22, 2025
AVTX Avalo Therapeutics, Inc. Common Stock, $0.001 par value per share 9.9% $17.6M $3.71M 1.39M +26.7% RA Capital Management, L.P. Sep 30, 2025
FDMT 4D MOLECULAR THERAPEUTICS, INC. Common Stock, $0.0001 par value per share 9.9% $12.1M 4.56M RA Capital Management, L.P. Dec 31, 2024
SRZN Surrozen, Inc. Common Stock, $0.0001 par value per share 9.9% $10.1M 867K RA Capital Management, L.P. Mar 31, 2025
CRVO CervoMed Inc. Common Stock, $0.001 par value 9.9% $9.57M $1.03M 1.03M +12.1% RA Capital Management, L.P. Jun 30, 2025
SABS SAB Biotherapeutics, Inc. Common Stock, $0.0001 par value per share 9.9% $9.33M 4.4M RA Capital Management, L.P. Sep 26, 2025
UNCY Unicycive Therapeutics, Inc. Common Stock, $0.001 par value per share 9.9% $8.55M 1.96M RA Capital Management, L.P. Sep 30, 2025
CTNM Contineum Therapeutics, Inc. Class A Common Stock, $0.001 par value per share 9.9% $8.11M 2.12M RA Capital Management, L.P. Jul 18, 2025
UNCY Unicycive Therapeutics, Inc. Common Stock, $0.001 par value per share 9.9% $7.04M $936K 13.3M +15.3% RA Capital Management, L.P. Mar 31, 2025
PALI PALISADE BIO, INC. Common Stock, par value $0.01 per share 9.9% $5.76M 9.94M RA Capital Management, L.P. Oct 2, 2025
VOR VOR BIOPHARMA INC. Common Stock, par value $0.0001 per share 9.9% $5.72M $3.74M 2.35M +189% RA Capital Management, L.P. Nov 12, 2025
RANI RANI THERAPEUTICS HOLDINGS, INC. Class A Common Stock, $0.0001 par value per share 9.9% $4.94M 9.88M RA Capital Management, L.P. Oct 23, 2025
DNTH Dianthus Therapeutics, Inc. Common Stock, $0.001 par value per share 9.5% $152M $39.4M 3.87M +34.9% RA Capital Management, L.P. Sep 30, 2025
ASMB Assembly Biosciences, Inc. Common Stock, par value $0.001 per share 9.5% $39M 1.53M RA Capital Management, L.P. Aug 11, 2025
RYTM RHYTHM PHARMACEUTICALS, INC. Common Stock, $0.001 par value per share 8.7% $543M 5.56M RA Capital Management, L.P. Jun 30, 2025
LB PHARMACEUTICALS INC Common Stock, $0.0001 par value per share 7.5% 1.68M RA Capital Management, L.P. Sep 12, 2025
BCRX BioCryst Pharmaceuticals, Inc. Common Stock, $0.01 par value per share 7.3% $116M 15.3M RA Capital Management, L.P. Nov 4, 2025
ADGM Adagio Medical Holdings, Inc. Common Stock, par value $0.0001 per share 7.2% $2.06M 1.2M 0% RA Capital Management, L.P. Jun 30, 2025
JBIO JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share 7% $27.8M $16.3M 3.21M +143% RA Capital Management, L.P. Oct 8, 2025
LXEO Lexeo Therapeutics, Inc. Common Stock, $0.0001 par value per share 6.9% $33.2M 5M RA Capital Management, L.P. Oct 20, 2025
RNA Avidity Biosciences, Inc. Common Stock, par value $0.0001 per share 5.9% $376M 8.64M RA Capital Management, L.P. Sep 30, 2025
KURA Kura Oncology, Inc. Common Stock, par value $0.0001 per share 4.9% $23.9M 4M RA Capital Management, L.P. Mar 31, 2025
ITOS ITEOS THERAPEUTICS, INC. Common Stock, $0.001 par value per share 4.9% $15.7M -$14.9M 2.13M -48.7% RA Capital Management, L.P. May 15, 2025
TARA Protara Therapeutics, Inc. Common Stock, par value $0.001 per share 4.9% $6.11M -$4.53M 1.97M -42.5% RA Capital Management, L.P. Jun 30, 2025
ZURA ZURA BIO LIMITED Class A Ordinary Shares, par value $0.0001 per share 4.9% $3.6M 3.22M RA Capital Management, L.P. Dec 31, 2024
EYPT EyePoint Pharmaceuticals, Inc. Common Stock, par value $0.001 per share 4.7% $14.7M 3.18M RA Capital Management, L.P. Dec 31, 2024
BIOA BIOAGE LABS, INC. Common Stock, par value $0.00001 per share 3.7% $4.82M 1.31M RA Capital Management, L.P. Dec 31, 2024
EVH Evolent Health, Inc. Class A Common Stock, par value $0.01 per share 3.1% $35.9M 3.58M RA Capital Management, L.P. Dec 31, 2024
DRUG Bright Minds Biosciences Inc. Common Shares 2.9% $7.45M 206K RA Capital Management, L.P. Mar 31, 2025
RXRX Recursion Pharmaceuticals, Inc. Class A Common Stock, par value $0.00001 per share 2% $44.5M 7.73M RA Capital Management, L.P. Dec 31, 2024
VRNA Verona Pharma plc Ordinary Shares, nominal value GBP0.05 per share 0.7% $62.7M -$572M 594K -90.1% RA Capital Management, L.P. Jun 30, 2025
GLYC GlycoMimetics, Inc. Common Stock, par value $0.001 per share 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
STRO Sutro Biopharma, Inc. Common Stock, $0.001 par value per share 0% $0 -$3.81M 0 -100% RA Capital Management, L.P. Jun 30, 2025
CMRX CHIMERIX INC Common Stock, par value $0.001 per share 0% $0 0 RA Capital Management, L.P. Mar 31, 2025
URGN UROGEN PHARMA LTD. Ordinary Shares, par value NIS 0.01 per share 0% $0 -$61.6M 0 -100% RA Capital Management, L.P. Jun 30, 2025
DYN DYNE THERAPEUTICS, INC. Common Stock, $0.0001 par value per share 0% $0 -$123M 0 -100% RA Capital Management, L.P. Sep 30, 2025
ENSC Ensysce Biosciences, Inc. Common Stock, par value $0.0001 per share 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
ALEC Alector, Inc. Common Stock, par value $0.0001 per share 0% $0 0 RA Capital Management, L.P. Jun 30, 2025
ATXS Astria Therapeutics, Inc. Common Stock, par value $0.001 per share 0% $0 0 RA Capital Management, L.P. Jun 30, 2025
BOLD BOUNDLESS BIO, INC. Common Stock, par value $0.0001 per share 0% $0 0 RA Capital Management, L.P. Jun 30, 2025
SERA Sera Prognostics, Inc. Class A Common Stock, $0.0001 par value per share 0% $0 0 RA Capital Management, L.P. Jun 30, 2025
ANRO Alto Neuroscience, Inc. Common Stock, par value $0.0001 per share 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
RXST RxSight, Inc. Common Stock, par value $0.001 per share 0% $0 0 RA Capital Management, L.P. Sep 30, 2025
TRML TOURMALINE BIO, INC. Common stock, par value $0.0001 per share 0% $0 0 RA Capital Management, L.P. Sep 30, 2025
ANTX AN2 THERAPEUTICS, INC. Common Stock, $0.00001 par value per share 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
CYBN Cybin Inc. Common Shares, no par value 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
CTKB CYTEK BIOSCIENCES, INC. Common Stock, par value $0.001 per share 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
DAWN DAY ONE BIOPHARMACEUTICALS, INC. Common Stock, par value $0.0001 per share 0% $0 -$41.4M 0 -100% RA Capital Management, L.P. Jun 30, 2025
LBPH LONGBOARD PHARMACEUTICALS, INC. Common Stock, par value $0.0001 per share 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
MGNX Macrogenics, Inc. Common Stock, par value $0.01 per share 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
TNYA Tenaya Therapeutics, Inc. Common Stock, $0.0001 par value per share 0% $0 0 RA Capital Management, L.P. Dec 31, 2024
ETNB 89BIO, INC. Common Stock, par value $0.001 per share 0% $0 -$294M 0 -100% RA Capital Management, L.P. Oct 30, 2025

Schedules 13D/G Reported by Ra Capital Management, L.P.:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Date Filed
* An asterisk sign (*) next to the price indicates that the price is likely invalid.