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  • RA CAPITAL MANAGEMENT, L.P. (Data extracted from 13F, 13D, 13G and Form 4)

RA CAPITAL MANAGEMENT, L.P.

AUM: $11.32 B
13-F Portfolio Value: $5.94 B
Last 13-F Filed: Q2 2025
Concentration in top 10: 66.19%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
ASNDASCENDIS PHARMA A/S - ADR29.36%10,281,496$1,774,586,210No Change$172.613F
JANXJANUX THERAPEUTICS INC4.28%11,189,693$258,481,908No Change$23.113F
CDTXCIDARA THERAPEUTICS, INC.3.44%3,365,523$207,753,735No Change13D
ACLXARCELLX INC3.31%3,036,527$199,955,303No Change$65.8513F
ETNB89BIO INC3.23%19,889,683$195,316,687No Change$9.8213F
SPRYARS PHARMACEUTICALS INC3.14%10,860,977$189,524,049No Change$17.4513F
NAMSNEWAMSTERDAM PHARMA CO NV3.04%10,138,938$183,616,167No Change$18.1113F
SIONSIONNA THERAPEUTICS INC3.00%10,445,322$181,226,337No Change$17.3513F
LENZLENZ THERAPEUTICS INC2.03%4,178,823$122,481,302No Change$29.3113F
WVEWAVE LIFE SCIENCES LTD1.96%18,202,009$118,313,059No Change$6.513F
DYNDYNE THERAPEUTICS INC1.53%9,714,392$92,481,012No Change$9.5213F
GERNGERON CORP1.41%60,379,366$85,134,906No Change$1.4113F
IRONDISC MEDICINE INC1.38%1,577,106$83,523,534No Change$52.9613F
MLYSMINERALYS THERAPEUTICS INC1.38%6,147,280$83,172,698No Change$13.5313F
SEPNSEPTERNA INC1.22%6,995,858$73,946,219No Change$10.5713F
FULCFULCRUM THERAPEUTICS INC1.16%10,229,099$70,376,201No Change$6.8813F
BCAXBICARA THERAPEUTICS INC1.07%6,955,993$64,621,175No Change$9.2913F
VORVOR BIOPHARMA INC1.06%39,646,039$64,226,583No Change$1.6213F
DNTHDIANTHUS THERAPEUTICS INC0.88%2,866,733$53,407,236No Change$18.6313F
SRRKSCHOLAR ROCK HOLDING CORP0.67%1,136,453$40,253,165No Change$35.4213F
TRMLTOURMALINE BIO INC0.67%2,538,925$40,597,411No Change$15.9913F
CLYMCLIMB BIO INC0.64%31,419,267$38,959,891No Change$1.2413F
GPCRSTRUCTURE THERAPEUTICS INC0.52%1,517,418$31,471,249No Change$20.7413F
MTSRMETSERA INC0.32%675,525$19,218,686No Change$28.4513F
MNPRMONOPAR THERAPEUTICS INC0.30%511,207$18,290,986No Change$35.7813F
NKTXNKARTA INC0.30%10,805,129$17,936,514No Change$1.6613F
ABOSACUMEN PHARMACEUTICALS INC0.29%14,932,063$17,321,193No Change$1.1613F
LRMRLARIMAR THERAPEUTICS INC0.29%6,045,351$17,471,064No Change$2.8913F
FDMT4D MOLECULAR THERAPEUTICS IN0.28%4,563,211$16,929,513No Change$3.7113F
ELVNENLIVEN THERAPEUTICS INC0.28%848,986$17,030,659No Change$20.0613F
TVTXTRAVERE THERAPEUTICS INC0.28%1,150,000$17,020,000No Change$14.813F
ARTVARTIVA BIOTHERAPEUTICS INC0.25%9,853,302$14,878,486No Change$1.5113F
PEPGPEPGEN INC0.20%10,689,545$11,865,395No Change$1.1113F
ACRVACRIVON THERAPEUTICS INC0.16%8,340,508$9,925,205No Change$1.1913F
ELDNELEDON PHARMACEUTICALS INC0.16%3,566,338$9,664,776No Change$2.7113F
RCUSARCUS BIOSCIENCES INC0.15%1,136,364$9,250,003No Change$8.1413F
PCSCPERCEPTIVE CAPITAL SOLUTIONS0.13%750,000$7,965,000No Change$10.6213F
BBNXBETA BIONICS INC0.12%500,000$7,280,000No Change$14.5613F
ACETADICET BIO INC0.08%7,541,000$4,600,010No Change$0.6113F
NAMSWNEWAMSTERDAM PHARMA CO NV-270.04%333,333$2,666,664No Change$813F