RA CAPITAL MANAGEMENT, L.P. Diversified Active

Location: Boston, MA

CIK: 0001346824 · Show all filings

Period: Q1 2026 (← Previous) (Next →)

Filing Date: May 15, 2026

Total Value: $9.438B (100.0% shares, 0.0% debt)

Holdings (85)

ASND ASCENDIS PHARMA A/S - ADR 24.9%
Value $2.352B Shares 10,281,496 Share Price $228.73 Est. Cost/Share $82.85 Unrealized @ Report Date —
PCVX VAXCYTE INC 7.1%
Value $667M Shares 11,474,599 Share Price $58.11 * Est. Cost/Share $51.31 Unrealized @ Report Date +2.8%
RYTM RHYTHM PHARMACEUTICALS INC 6.1%
Value $580M Shares 6,666,837 Share Price $86.97 * Est. Cost/Share $38.97 Unrealized @ Report Date +163.9%
TYRA TYRA BIOSCIENCES INC 5.0%
Value $467M Shares 12,198,625 Share Price $38.30 * Est. Cost/Share $17.16 Unrealized @ Report Date +76.3%
SION SIONNA THERAPEUTICS INC 4.2%
Value $397M Shares 9,905,045 Share Price $40.09 * Est. Cost/Share $16.34 Unrealized @ Report Date +140.2%
EWTX EDGEWISE THERAPEUTICS INC 3.5%
Value $328M Shares 10,428,437 Share Price $31.50 * Est. Cost/Share $15.67 Unrealized @ Report Date +79.8%
NAMS NEWAMSTERDAM PHARMA CO NV 3.2%
Value $306M Shares 9,550,191 Share Price $32.01 * Est. Cost/Share $14.02 Unrealized @ Report Date +140.8%
NUVL NUVALENT INC-A 2.8%
Value $260M Shares 2,534,145 Share Price $102.45 Est. Cost/Share $90.29 Unrealized @ Report Date +14.8%
DNTH DIANTHUS THERAPEUTICS INC 2.3%
Value $219M Shares 2,611,733 Share Price $83.92 * Est. Cost/Share $31.70 Unrealized @ Report Date +50.1%
MLYS MINERALYS THERAPEUTICS INC 2.2%
Value $208M Shares 7,692,750 Share Price $27.09 * Est. Cost/Share $16.39 Unrealized @ Report Date +91.3%
SGP SPYGLASS PHARMA INC 2.2%
Value $208M Shares 8,021,117 Share Price $25.91 Est. Cost/Share $25.91 Unrealized @ Report Date —
WVE WAVE LIFE SCIENCES LTD 2.1%
Value $196M Shares 26,975,505 Share Price $7.25 * Est. Cost/Share $10.32 Unrealized @ Report Date +33.3%
SEPN SEPTERNA INC 1.8%
Value $168M Shares 6,995,858 Share Price $24.03 * Est. Cost/Share $23.65 Unrealized @ Report Date +12.1%
IRON DISC MEDICINE INC 1.7%
Value $157M Shares 2,450,221 Share Price $63.94 * Est. Cost/Share $63.88 Unrealized @ Report Date +15.9%
JANX JANUX THERAPEUTICS INC 1.6%
Value $156M Shares 11,189,693 Share Price $13.90 Est. Cost/Share $26.21 Unrealized @ Report Date -47.9%
BCRX BIOCRYST PHARMACEUTICALS INC 1.6%
Value $151M Shares 15,827,186 Share Price $9.52 * Est. Cost/Share $7.23 Unrealized @ Report Date -3.2%
BCAX BICARA THERAPEUTICS INC 1.5%
Value $144M Shares 7,255,993 Share Price $19.89 * Est. Cost/Share $25.12 Unrealized @ Report Date -35.2%
PRAX PRAXIS PRECISION MEDICINES I 1.3%
Value $120M Shares 373,787 Share Price $322.19 * Est. Cost/Share $186.22 Unrealized @ Report Date +67.4%
GHRS GH RESEARCH PLC 1.1%
Value $108M Shares 7,676,697 Share Price $14.06 * Est. Cost/Share $15.85 Unrealized @ Report Date -0.9%
ZLAB ZAI LAB LTD-ADR 1.1%
Value $107M Shares 5,707,262 Share Price $18.81 Est. Cost/Share $18.81 Unrealized @ Report Date —
TSHA TAYSHA GENE THERAPIES INC 1.1%
Value $105M Shares 23,555,648 Share Price $4.47 * Est. Cost/Share $2.03 Unrealized @ Report Date +134.3%
VOR VOR BIOPHARMA INC 1.0%
Value $96.43M Shares 5,404,998 Share Price $17.84 * Est. Cost/Share $26.54 Unrealized @ Report Date -47.3%
GERN GERON CORP 1.0%
Value $95.02M Shares 63,771,366 Share Price $1.49 Est. Cost/Share $2.37 Unrealized @ Report Date -36.3%
SPRY ARS PHARMACEUTICALS INC 0.9%
Value $87.21M Shares 10,860,977 Share Price $8.03 * Est. Cost/Share $6.66 Unrealized @ Report Date +53.7%
SRPT SAREPTA THERAPEUTICS INC 0.9%
Value $84.92M Shares 3,902,596 Share Price $21.76 * Est. Cost/Share $20.24 Unrealized @ Report Date 0.0%
SYRE SPYRE THERAPEUTICS INC 0.9%
Value $81.79M Shares 1,621,620 Share Price $50.44 * Est. Cost/Share $26.13 Unrealized @ Report Date +32.2%
EVMN EVOMMUNE INC 0.9%
Value $80.34M Shares 3,494,638 Share Price $22.99 * Est. Cost/Share $18.82 Unrealized @ Report Date +16.9%
CLYM CLIMB BIO INC 0.8%
Value $77.41M Shares 11,300,939 Share Price $6.85 * Est. Cost/Share $12.52 Unrealized @ Report Date -60.1%
SLDB SOLID BIOSCIENCES INC 0.7%
Value $67.25M Shares 9,339,978 Share Price $7.20 * Est. Cost/Share $6.16 Unrealized @ Report Date -1.7%
ARTV ARTIVA BIOTHERAPEUTICS INC 0.7%
Value $63.46M Shares 9,853,302 Share Price $6.44 * Est. Cost/Share $11.59 Unrealized @ Report Date -61.9%
GLTO DAMORA THERAPEUTICS INC 0.7%
Value $62.14M Shares 2,399,310 Share Price $25.90 Est. Cost/Share $25.80 Unrealized @ Report Date 0.0%
XNCR XENCOR INC 0.6%
Value $59.06M Shares 4,897,237 Share Price $12.06 * Est. Cost/Share $12.66 Unrealized @ Report Date 0.0%
LBRX LB PHARMACEUTICALS INC 0.6%
Value $54.46M Shares 2,208,604 Share Price $24.66 * Est. Cost/Share $16.18 Unrealized @ Report Date +38.3%
JBIO JADE BIOSCIENCES INC 0.5%
Value $51.58M Shares 3,671,083 Share Price $14.05 * Est. Cost/Share $17.98 Unrealized @ Report Date -17.7%
ABOS ACUMEN PHARMACEUTICALS INC 0.5%
Value $49.54M Shares 20,992,669 Share Price $2.36 * Est. Cost/Share $9.92 Unrealized @ Report Date -77.0%
FDMT 4D MOLECULAR THERAPEUTICS IN 0.5%
Value $47.01M Shares 5,049,779 Share Price $9.31 * Est. Cost/Share $17.53 Unrealized @ Report Date -51.1%
FULC FULCRUM THERAPEUTICS INC 0.5%
Value $46.43M Shares 6,053,960 Share Price $7.67 * Est. Cost/Share $7.35 Unrealized @ Report Date +41.2%
CAPR CAPRICOR THERAPEUTICS INC 0.5%
Value $45.84M Shares 1,507,844 Share Price $30.40 * Est. Cost/Share $13.06 Unrealized @ Report Date +90.5%
IPSC CENTURY THERAPEUTICS INC 0.4%
Value $40.13M Shares 17,754,430 Share Price $2.26 * Est. Cost/Share $1.94 Unrealized @ Report Date 0.0%
OLMA OLEMA PHARMACEUTICALS INC 0.4%
Value $38.77M Shares 2,600,000 Share Price $14.91 * Est. Cost/Share $17.79 Unrealized @ Report Date +43.1%
LENZ LENZ THERAPEUTICS INC 0.4%
Value $38.24M Shares 4,178,823 Share Price $9.15 * Est. Cost/Share $20.79 Unrealized @ Report Date -24.3%
MNPR MONOPAR THERAPEUTICS INC 0.4%
Value $36.56M Shares 667,207 Share Price $54.79 * Est. Cost/Share $31.96 Unrealized @ Report Date +96.5%
PEPG PEPGEN INC 0.4%
Value $35.51M Shares 20,064,545 Share Price $1.77 * Est. Cost/Share $6.78 Unrealized @ Report Date -14.0%
DSGN DESIGN THERAPEUTICS INC 0.3%
Value $31.63M Shares 2,972,973 Share Price $10.64 * Est. Cost/Share $8.48 Unrealized @ Report Date +17.8%
MIRM MIRUM PHARMACEUTICALS INC 0.3%
Value $29.43M Shares 318,554 Share Price $92.38 * Est. Cost/Share $96.57 Unrealized @ Report Date 0.0%
BIOA BIOAGE LABS INC 0.3%
Value $28.87M Shares 1,650,648 Share Price $17.49 * Est. Cost/Share $19.20 Unrealized @ Report Date 0.0%
LXEO LEXEO THERAPEUTICS INC 0.3%
Value $28.7M Shares 5,000,000 Share Price $5.74 * Est. Cost/Share $9.13 Unrealized @ Report Date -17.4%
ASMB ASSEMBLY BIOSCIENCES INC 0.3%
Value $28.32M Shares 1,020,410 Share Price $27.75 * Est. Cost/Share $21.94 Unrealized @ Report Date +29.9%
RZLT REZOLUTE INC 0.3%
Value $28M Shares 9,180,000 Share Price $3.05 Est. Cost/Share $7.84 Unrealized @ Report Date -61.0%
AKTS AKTIS ONCOLOGY INC 0.3%
Value $26.89M Shares 1,503,084 Share Price $17.89 Est. Cost/Share $17.89 Unrealized @ Report Date —
ALXO ALX ONCOLOGY HOLDINGS INC 0.3%
Value $26.09M Shares 13,011,849 Share Price $2.00 * Est. Cost/Share $1.77 Unrealized @ Report Date 0.0%
ACRS ACLARIS THERAPEUTICS INC 0.3%
Value $25.52M Shares 6,804,072 Share Price $3.75 * Est. Cost/Share $3.33 Unrealized @ Report Date 0.0%
OVID OVID THERAPEUTICS INC 0.3%
Value $23.79M Shares 10,714,000 Share Price $2.22 * Est. Cost/Share $1.54 Unrealized @ Report Date +3.6%
NKTX NKARTA INC 0.2%
Value $22.8M Shares 10,805,129 Share Price $2.11 * Est. Cost/Share $20.85 Unrealized @ Report Date -89.5%
TVTX TRAVERE THERAPEUTICS INC 0.2%
Value $22.19M Shares 746,841 Share Price $29.71 * Est. Cost/Share $31.03 Unrealized @ Report Date 0.0%
GRAL GRAIL INC 0.2%
Value $22.13M Shares 428,266 Share Price $51.68 * Est. Cost/Share $86.40 Unrealized @ Report Date +9.2%
CCCC C4 THERAPEUTICS INC 0.2%
Value $21.04M Shares 8,000,000 Share Price $2.63 * Est. Cost/Share $2.37 Unrealized @ Report Date -11.9%
RLMD RELMADA THERAPEUTICS INC 0.2%
Value $20.51M Shares 2,947,369 Share Price $6.96 * Est. Cost/Share $4.01 Unrealized @ Report Date 0.0%
BNTC BENITEC BIOPHARMA INC 0.2%
Value $19.7M Shares 1,850,000 Share Price $10.65 * Est. Cost/Share $13.83 Unrealized @ Report Date -14.8%
DRUG BRIGHT MINDS BIOSCIENCES INC 0.2%
Value $19.34M Shares 265,000 Share Price $72.97 * Est. Cost/Share $84.00 Unrealized @ Report Date 0.0%
STRO SUTRO BIOPHARMA INC 0.2%
Value $17.82M Shares 715,307 Share Price $24.91 * Est. Cost/Share $15.08 Unrealized @ Report Date 0.0%
CTNM CONTINEUM THERAPEUTICS INC-A 0.2%
Value $16.93M Shares 1,296,012 Share Price $13.06 * Est. Cost/Share $8.15 Unrealized @ Report Date +63.8%
SABS SAB BIOTHERAPEUTICS INC 0.2%
Value $16.86M Shares 4,401,500 Share Price $3.83 * Est. Cost/Share $2.26 Unrealized @ Report Date +77.0%
INSP INSPIRE MEDICAL SYSTEMS INC 0.2%
Value $16.8M Shares 325,663 Share Price $51.58 * Est. Cost/Share $87.35 Unrealized @ Report Date -11.4%
AVR ANTERIS TECHNOLOGIES GLOBAL 0.2%
Value $16.65M Shares 3,000,000 Share Price $5.55 Est. Cost/Share $5.58 Unrealized @ Report Date 0.0%
OKUR ONKURE THERAPEUTICS INC-A 0.2%
Value $16.55M Shares 3,998,333 Share Price $4.14 * Est. Cost/Share $2.73 Unrealized @ Report Date 0.0%
HNGE HINGE HEALTH INC-A 0.1%
Value $14.06M Shares 364,613 Share Price $38.56 * Est. Cost/Share $42.25 Unrealized @ Report Date -3.9%
WGS GENEDX HOLDINGS CORP 0.1%
Value $13.48M Shares 209,887 Share Price $64.22 * Est. Cost/Share $94.87 Unrealized @ Report Date +6.6%
WAY WAYSTAR HOLDING CORP 0.1%
Value $12.76M Shares 529,400 Share Price $24.11 * Est. Cost/Share $29.71 Unrealized @ Report Date -7.5%
HLXC HELIX ACQUISITION CORP-CL A 0.1%
Value $12.7M Shares 1,250,000 Share Price $10.16 Est. Cost/Share $10.16 Unrealized @ Report Date —
PALI PALISADE BIO INC 0.1%
Value $12.47M Shares 7,124,116 Share Price $1.75 Est. Cost/Share $1.92 Unrealized @ Report Date -7.2%
ACRV ACRIVON THERAPEUTICS INC 0.1%
Value $11.59M Shares 8,340,508 Share Price $1.39 * Est. Cost/Share $10.73 Unrealized @ Report Date -82.8%
RNA ATRIUM THERAPEUTICS INC 0.1%
Value $11.55M Shares 864,102 Share Price $13.37 Est. Cost/Share $13.37 Unrealized @ Report Date —
KPTI KARYOPHARM THERAPEUTICS INC 0.1%
Value $10.68M Shares 1,917,354 Share Price $5.57 * Est. Cost/Share $7.62 Unrealized @ Report Date 0.0%
AVTX AVALO THERAPEUTICS INC 0.1%
Value $9.898M Shares 662,968 Share Price $14.93 * Est. Cost/Share $10.31 Unrealized @ Report Date +50.3%
PCSC PERCEPTIVE CAPITAL SOLUTIONS 0.1%
Value $8.227M Shares 750,000 Share Price $10.97 * Est. Cost/Share $10.07 Unrealized @ Report Date +35.3%
ACET ADICET BIO INC 0.1%
Value $8.054M Shares 1,182,624 Share Price $6.81 * Est. Cost/Share $10.40 Unrealized @ Report Date -25.4%
NAMSW NEWAMSTERDAM PHARMA CO NV-27 0.1%
Value $6.68M Shares 333,333 Share Price $20.04 Est. Cost/Share $0.87 Unrealized @ Report Date —
CRVS CORVUS PHARMACEUTICALS INC 0.1%
Value $6.583M Shares 450,000 Share Price $14.63 * Est. Cost/Share $16.29 Unrealized @ Report Date 0.0%
RANI RANI THERAPEUTICS HOLDINGS-A 0.1%
Value $6.246M Shares 8,500,000 Share Price $0.73 * Est. Cost/Share $1.51 Unrealized @ Report Date -12.3%
EQ EQUILLIUM INC 0.1%
Value $6.193M Shares 3,096,336 Share Price $2.00 * Est. Cost/Share $1.44 Unrealized @ Report Date 0.0%
HOWL WEREWOLF THERAPEUTICS INC 0.1%
Value $5.563M Shares 6,681,307 Share Price $0.83 * Est. Cost/Share $9.71 Unrealized @ Report Date -93.4%
MGNX MACROGENICS INC 0.1%
Value $5.387M Shares 1,864,176 Share Price $2.89 * Est. Cost/Share $1.76 Unrealized @ Report Date 0.0%
MPLT MAPLIGHT THERAPEUTICS INC 0.1%
Value $5.048M Shares 248,294 Share Price $20.33 * Est. Cost/Share $17.62 Unrealized @ Report Date 0.0%
PTN PALATIN TECHNOLOGIES INC 0.0%
Value $1.219M Shares 70,000 Share Price $17.42 Est. Cost/Share $13.14 Unrealized @ Report Date +32.8%