Fund portfolio

RA Capital Management

Quarter: Q1 2026
Filed: 2026-05-15
Portfolio value: $9,437,744,027
Positions: 85
Source: 13F on EDGAR ↗

Ticker	Change	% of portfolio	Shares	Value
04351P101 history		24.92%	10,281,496	$2,351,686,580
PCVX history	+7%	7.07%	11,474,599	$666,788,948
RYTM history		6.14%	6,666,837	$579,814,814
TYRA history		4.95%	12,198,625	$467,207,338
SION history		4.21%	9,905,045	$397,093,254
EWTX history		3.48%	10,428,437	$328,495,766
NAMS history		3.24%	9,550,191	$305,701,614
NUVL history	+35%	2.75%	2,534,145	$259,623,155
DNTH history	+62%	2.32%	2,611,733	$219,176,633
MLYS history	+5%	2.21%	7,692,750	$208,396,598
SGP history	NEW	2.2%	8,021,117	$207,827,141
WVE history	+48%	2.07%	26,975,505	$195,572,411
SEPN history		1.78%	6,995,858	$168,110,468
IRON history	+24%	1.66%	2,450,221	$156,667,131
JANX history		1.65%	11,189,693	$155,536,733
BCRX history		1.6%	15,827,186	$150,674,811
BCAX history	+4%	1.53%	7,255,993	$144,321,701
PRAX history		1.28%	373,787	$120,430,434
GHRS history		1.14%	7,676,697	$107,934,360
ZLAB history	NEW	1.14%	5,707,262	$107,353,598
TSHA history		1.12%	23,555,648	$105,293,747
VOR history		1.02%	5,404,998	$96,425,164
GERN history		1.01%	63,771,366	$95,019,335
SPRY history		0.92%	10,860,977	$87,213,645
SRPT history	NEW	0.9%	3,902,596	$84,920,489
SYRE history		0.87%	1,621,620	$81,794,513
EVMN history	+1%	0.85%	3,494,638	$80,341,728
CLYM history	+0%	0.82%	11,300,939	$77,411,432
SLDB history	+61%	0.71%	9,339,978	$67,247,842
ARTV history		0.67%	9,853,302	$63,455,265
DMRA history	NEW	0.66%	2,399,310	$62,142,129
XNCR history	NEW	0.63%	4,897,237	$59,060,678
LBRX history		0.58%	2,208,604	$54,464,175
JBIO history		0.55%	3,671,083	$51,578,716
ABOS history	+41%	0.52%	20,992,669	$49,542,699
FDMT history	−11%	0.5%	5,049,779	$47,013,442
FULC history		0.49%	6,053,960	$46,433,873
CAPR history		0.49%	1,507,844	$45,838,458
IPSC history	NEW	0.43%	17,754,430	$40,125,012
OLMA history		0.41%	2,600,000	$38,766,000
LENZ history		0.41%	4,178,823	$38,236,230
MNPR history		0.39%	667,207	$36,556,272
PEPG history		0.38%	20,064,545	$35,514,245
DSGN history	+103%	0.34%	2,972,973	$31,632,433
MIRM history	NEW	0.31%	318,554	$29,428,019
BIOA history	NEW	0.31%	1,650,648	$28,869,834
LXEO history		0.3%	5,000,000	$28,700,000
ASMB history		0.3%	1,020,410	$28,316,378
RZLT history		0.3%	9,180,000	$27,999,000
AKTS history	NEW	0.28%	1,503,084	$26,890,173
ALXO history	NEW	0.28%	13,011,849	$26,088,757
ACRS history	NEW	0.27%	6,804,072	$25,515,270
OVID history		0.25%	10,714,000	$23,785,080
NKTX history		0.24%	10,805,129	$22,798,822
TVTX history	NEW	0.24%	746,841	$22,188,646
GRAL history		0.23%	428,266	$22,132,787
CCCC history		0.22%	8,000,000	$21,040,000
RLMD history	NEW	0.22%	2,947,369	$20,513,688
BNTC history		0.21%	1,850,000	$19,702,500
DRUG history	NEW	0.2%	265,000	$19,337,050
STRO history	NEW	0.19%	715,307	$17,818,297
CTNM history	−41%	0.18%	1,296,012	$16,925,917
SABS history		0.18%	4,401,500	$16,857,745
INSP history	+129%	0.18%	325,663	$16,797,698
AVR history	NEW	0.18%	3,000,000	$16,650,000
OKUR history	NEW	0.18%	3,998,333	$16,553,099
HNGE history	+355%	0.15%	364,613	$14,059,477
WGS history	+262%	0.14%	209,887	$13,478,943
WAY history	+267%	0.14%	529,400	$12,763,834
HLXC history	NEW	0.13%	1,250,000	$12,700,000
PALI history		0.13%	7,124,116	$12,467,203
ACRV history		0.12%	8,340,508	$11,593,306
RNA history	NEW	0.12%	864,102	$11,553,044
KPTI history	NEW	0.11%	1,917,354	$10,679,662
AVTX history		0.1%	662,968	$9,898,112
PCSC history		0.09%	750,000	$8,227,500
ACET history	+25%	0.09%	1,182,624	$8,053,669
NAMSW history		0.07%	333,333	$6,679,993
CRVS history	NEW	0.07%	450,000	$6,583,500
RANI history		0.07%	8,500,000	$6,245,800
EQ history	NEW	0.07%	3,096,336	$6,192,672
HOWL history		0.06%	6,681,307	$5,562,856
MGNX history	NEW	0.06%	1,864,176	$5,387,469
MPLT history	NEW	0.05%	248,294	$5,047,817
PTN history		0.01%	70,000	$1,219,400
CDTX history	SOLD	—	—	—
ACLX history	SOLD	—	—	—
BLTE history	SOLD	—	—	—
IVVD history	SOLD	—	—	—
MDLN history	SOLD	—	—	—
PGNY history	SOLD	—	—	—
QIA history	SOLD	—	—	—
KIDS history	SOLD	—	—	—
HCAT history	SOLD	—	—	—