MondegarAI
RA CAPITAL MANAGEMENT, L.P.

Q3 2025 · 13F-HR

RA CAPITAL MANAGEMENT, L.P.holdings as filed

Filed 2025-11-14 · accession 0001104659-25-112469

$8.12B
Reported value
67
Positions
2025-09-30
Period end
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The Brief · RA CAPITAL MANAGEMENT, L.P. · Q3 2025

AI · grounded in 13F

RA CAPITAL MANAGEMENT, L.P. established a new position in ASCENDIS PHARMA A/S - ADR ASNDUSD valued at $2.04B. The fund also opened new stakes in RHYTHM PHARMACEUTICALS INC RYTM for $573.8M and VAXCYTE INC PCVX for $431M. Additional new positions include AVIDITY BIOSCIENCES INC RNAGBP and CIDARA THERAPEUTICS INC CDTX. The fund manages a total AUM of $8.12B across 67 positions.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
04351P101ASNDUSDASCENDIS PHARMA A/S - ADR$2.04B25.2%10,281,496CommonSOLE
76243J105RYTMRHYTHM PHARMACEUTICALS INC$573.8M7.07%5,681,359CommonSOLE
92243G108PCVXVAXCYTE INC$431.0M5.31%11,965,991CommonSOLE
05370A108RNAGBPAVIDITY BIOSCIENCES INC$376.5M4.64%8,641,031CommonSOLE
171757206CDTXCIDARA THERAPEUTICS INC$322.3M3.97%3,365,523CommonSOLE
829401108SIONSIONNA THERAPEUTICS INC$307.2M3.79%10,445,322CommonSOLE
282559103ETNBGBP89BIO INC$292.4M3.60%19,889,683CommonSOLE
N62509109NAMSNEWAMSTERDAM PHARMA CO NV$288.4M3.55%10,138,938CommonSOLE
603170101MLYSMINERALYS THERAPEUTICS INC$277.7M3.42%7,323,750CommonSOLE
47103J105JANXJANUX THERAPEUTICS INC$273.5M3.37%11,189,693CommonSOLE
03940C100ACLXGBXARCELLX INC$249.3M3.07%3,036,527CommonSOLE
52635N103LENZLENZ THERAPEUTICS INC$194.6M2.40%4,178,823CommonSOLE
90240B106TYRATYRA BIOSCIENCES INC$170.7M2.10%12,198,625CommonSOLE
28036F105EWTXEDGEWISE THERAPEUTICS INC$169.1M2.08%10,428,437CommonSOLE
Y95308105WVEWAVE LIFE SCIENCES LTD$133.2M1.64%18,202,009CommonSOLE
81734D104SEPNSEPTERNA INC$131.6M1.62%6,995,858CommonSOLE
252828108DNTHDIANTHUS THERAPEUTICS INC$112.8M1.39%2,866,733CommonSOLE
055477103BCAXBICARA THERAPEUTICS INC$109.8M1.35%6,955,993CommonSOLE
G3855L106GHRSGH RESEARCH PLC$109.8M1.35%7,676,697CommonSOLE
82835W108SPRYARS PHARMACEUTICALS INC$109.2M1.34%10,860,977CommonSOLE
670703107NUVLNUVALENT INC-A$107.8M1.33%1,246,456CommonSOLE
254604101IRONDISC MEDICINE INC$104.2M1.28%1,577,106CommonSOLE
929033207VORVOR BIOPHARMA INC$96.6M1.19%1,982,301CommonSOLE
359616109FULCFULCRUM THERAPEUTICS INC$94.1M1.16%10,229,099CommonSOLE
713317105PEPGPEPGEN INC$92.7M1.14%20,064,545CommonSOLE
374163103GERNGERON CORP$82.7M1.02%60,379,366CommonSOLE
877619106TSHATAYSHA GENE THERAPIES INC$77.0M0.95%23,555,648CommonSOLE
07782B104BLTEBELITE BIO INC - ADR$64.8M0.80%875,000CommonSOLE
28658R106CLYMCLIMB BIO INC$63.2M0.78%31,419,267CommonSOLE
80706P103SRRKSCHOLAR ROCK HOLDING CORP$43.5M0.54%1,166,788CommonSOLE
86366E106GPCRSTRUCTURE THERAPEUTICS INC$42.5M0.52%1,517,418CommonSOLE
61023L207MNPRMONOPAR THERAPEUTICS INC$41.8M0.51%511,207CommonSOLE
35104E100FDMT4D MOLECULAR THERAPEUTICS IN$39.7M0.49%4,563,211CommonSOLE
83422E204SLDBSOLID BIOSCIENCES INC$35.9M0.44%5,811,423CommonSOLE
59267L107METSERA INC$35.4M0.44%675,525CommonSOLE
04317A107ARTVARTIVA BIOTHERAPEUTICS INC$28.3M0.35%9,853,302CommonSOLE
50180M108LBRXLB PHARMACEUTICALS INC$28.1M0.35%1,776,958CommonSOLE
89422G107TVTXTRAVERE THERAPEUTICS INC$27.5M0.34%1,150,000CommonSOLE
045396207ASMBASSEMBLY BIOSCIENCES INC$26.1M0.32%1,020,410CommonSOLE
00509G209ABOSACUMEN PHARMACEUTICALS INC$25.5M0.31%14,932,063CommonSOLE
21217B100CTNMCONTINEUM THERAPEUTICS INC-A$24.9M0.31%2,122,000CommonSOLE
65487U108NKTXNKARTA INC$22.4M0.28%10,805,129CommonSOLE
517125100LRMRLARIMAR THERAPEUTICS INC$19.5M0.24%6,045,351CommonSOLE
00534A102IVVDINVIVYD INC$18.8M0.23%17,119,096CommonSOLE
87583X109TNGXTANGO THERAPEUTICS INC$16.8M0.21%2,000,000CommonSOLE
74168J101PRMEPRIME MEDICINE INC$16.6M0.20%3,000,000CommonSOLE
03969F109RCUSARCUS BIOSCIENCES INC$15.5M0.19%1,136,364CommonSOLE
004890109ACRVACRIVON THERAPEUTICS INC$15.1M0.19%8,340,508CommonSOLE
95075A107HOWLWEREWOLF THERAPEUTICS INC$13.2M0.16%6,681,307CommonSOLE
N90064101QUREUNIQURE NV$11.7M0.14%200,000CommonSOLE
28617K101ELDNELEDON PHARMACEUTICALS INC$9.2M0.11%3,566,338CommonSOLE
008064206JBIOJADE BIOSCIENCES INC$9.2M0.11%1,062,326CommonSOLE
78397T202SABSSAB BIOTHERAPEUTICS INC$8.8M0.11%4,401,500CommonSOLE
457730109INSPINSPIRE MEDICAL SYSTEMS INC$8.5M0.11%114,901CommonSOLE
23284F105CTMXCYTOMX THERAPEUTICS INC$8.5M0.10%2,661,331CommonSOLE
05338F306AVTXAVALO THERAPEUTICS INC$8.4M0.10%662,968CommonSOLE
G70077105PCSCPERCEPTIVE CAPITAL SOLUTIONS$8.0M0.10%750,000CommonSOLE
86889P208SRZNSURROZEN INC$7.8M0.10%602,626CommonSOLE
81663L200WGSGENEDX HOLDINGS CORP$6.3M0.08%58,044CommonSOLE
007002108TORCEURADICET BIO INC$6.1M0.08%7,541,000CommonSOLE
N62509117NAMSWNEWAMSTERDAM PHARMA CO NV-27$5.7M0.07%333,333CommonSOLE
30050B101EVHEVOLENT HEALTH INC - A$4.9M0.06%579,052CommonSOLE
377322102GKOSGLAUKOS CORP$4.4M0.05%54,180CommonSOLE
25056L103DSGNDESIGN THERAPEUTICS INC$3.6M0.04%475,699CommonSOLE
30063P105EXKEXACT SCIENCES CORP$3.0M0.04%54,939CommonSOLE
N44821101IFRXINFLARX NV$2.6M0.03%1,973,233CommonSOLE
74340E103PGNYPROGYNY INC$2.1M0.03%96,628CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.