Casdin Capital, Llc Portfolio Stock Holdings

According to the SEC 13F filed on August 14, 2026, Casdin Capital, Llc disclosed 43 stock positions valued at approximately $2.00B as of quarter-end June 30, 2026. The largest holdings include REVOLUTION MEDICINES INC, RELAY THERAPEUTICS INC, and GENEDX HOLDINGS CORP.

Report Period
June 30, 2026
No. of Stocks
43
Portfolio Value
$2.00B
Holdings by Sector
Casdin Capital, Llc Portfolio Holdings in Q2 2026
CompanySymbolSectorPortfolio %SharesChange (Shares)Change %Value
REVOLUTION MEDICINES INCRVMDHealthcare24.16%2,577,333--$482,682,924
RELAY THERAPEUTICS INCRLAYHealthcare15.02%16,035,240+1,616,666+11.21%$300,019,340
GENEDX HOLDINGS CORPWGSHealthcare12.74%3,707,164+700,000+23.28%$254,496,809
BIOLIFE SOLUTIONS INCBLFSHealthcare6.58%4,655,000-1,302,165-21.86%$131,457,200
ILLUMINA INCILMNHealthcare4.66%530,000--$93,189,900
STANDARD BIOTOOLS INCLABHealthcare3.66%88,783,856--$73,042,478
STRUCTURE THERAPEUTICS INCGPCRHealthcare3.16%1,175,000--$63,062,250
DENALI THERAPEUTICS INCDNLIHealthcare2.63%2,045,000+205,000+11.14%$52,597,400
NEUROGENE INCNGNEHealthcare2.43%1,545,361+125,000+8.80%$48,601,603
BEAM THERAPEUTICS INCBEAMHealthcare2.32%1,350,000--$46,332,000
10X GENOMICS INCTXGHealthcare2.02%1,050,000-1,225,000-53.85%$40,257,000
SCHOLAR ROCK HLDG CORPSRRKHealthcare1.83%665,000+315,000+90.00%$36,575,000
PERSONALIS INCPSNLHealthcare1.71%2,550,000+950,000+59.38%$34,170,000
GRAIL INCGRALHealthcare1.64%480,000+250,000+108.70%$32,769,600
GUARDANT HEALTH INCGHHealthcare1.39%185,000-130,000-41.27%$27,755,550
MAZE THERAPEUTICS INCMAZEOther1.26%843,857+85,000+11.20%$25,180,693
HIMS & HERS HEALTH INCHIMSConsumer Defensive1.21%700,000--$24,269,000
ALNYLAM PHARMACEUTICALS INCALNYHealthcare1.13%75,000--$22,577,250
TAYSHA GENE THERAPIES INCTSHAHealthcare1.11%3,250,000--$22,132,500
AGOMAB THERAPEUTICS NVAGMBOther1.01%1,550,000--$20,119,000
SEPTERNA INCSEPNOther0.93%553,268--$18,528,945
PARABILIS MEDICINES INCPBLSOther0.88%645,690+645,690+100.00%$17,672,535
SIONNA THERAPEUTICS INCSIONOther0.88%400,000+400,000+100.00%$17,596,000
VERACYTE INCVCYTHealthcare0.81%276,308--$16,227,569
ADLAI NORTYE LTDANLOther0.72%1,250,000+711,539+132.14%$14,375,000
PRIME MEDICINE INCPRMEHealthcare0.58%3,167,175--$11,686,876
ABSCI CORPORATIONABSIHealthcare0.56%973,260--$11,280,083
QUEST DIAGNOSTICS INCDGXHealthcare0.53%50,000--$10,597,500
SAREPTA THERAPEUTICS INCSRPTHealthcare0.42%470,000+470,000+100.00%$8,445,900
UNIQURE NVQUREOther0.35%150,000+150,000+100.00%$6,909,000
Showing 30 of 43 holdings in the latest reporting period.