Rock Springs Capital Management LP Q4 2025 Filing
Filed February 17, 2026
Portfolio Value
$2.0T
Holdings
98
Report Date
Q4 2025
Filing Type
13F-HR
All Holdings (98 positions)
| Stock | Value |
|---|---|
LLYELI LILLY & CO | $113.3B |
RVMDREVOLUTION MEDICINES INC | $106.4B |
ARGXARGENX SE | $86.8B |
TVTXTRAVERE THERAPEUTICS INC | $84.5B |
MDGLMADRIGAL PHARMACEUTICALS INC | $81.3B |
RYTMRHYTHM PHARMACEUTICALS INC | $74.4B |
EXASEXACT SCIENCES CORP | $61.1B |
MIRMMIRUM PHARMACEUTICALS INC | $60.2B |
IM8NINSMED INC | $55.6B |
GPCRSTRUCTURE THERAPEUTICS INC | $52.0B |
ISRGINTUITIVE SURGICAL INC | $46.4B |
CDTXCIDARA THERAPEUTICS INC | $45.3B |
ASNDASCENDIS PHARMA A/S | $43.4B |
IRTCIRHYTHM TECHNOLOGIES INC | $41.7B |
KYMRKYMERA THERAPEUTICS INC | $38.7B |
BSXBOSTON SCIENTIFIC CORP | $38.0B |
PENPENUMBRA INC | $37.5B |
XENEXENON PHARMACEUTICALS INC | $35.3B |
SRRKSCHOLAR ROCK HLDG CORP | $32.3B |
COGTCOGENT BIOSCIENCES INC | $30.2B |
RAREULTRAGENYX PHARMACEUTICAL IN | $29.1B |
VERAVERA THERAPEUTICS INC | $28.8B |
ALNYALNYLAM PHARMACEUTICALS INC | $28.3B |
AM6AMICUS THERAPEUTICS INC | $27.5B |
XBISPDR SERIES TRUST | $27.1B |
THCTENET HEALTHCARE CORP | $24.8B |
DC4DEXCOM INC | $23.1B |
AGIOAGIOS PHARMACEUTICALS INC | $21.8B |
TARSTARSUS PHARMACEUTICALS INC | $21.3B |
CMPXCOMPASS THERAPEUTICS INC | $21.1B |
NAMSNEWAMSTERDAM PHARMA COMPANY | $20.7B |
AZTAAZENTA INC | $18.9B |
TCE2CELLDEX THERAPEUTICS INC NEW | $18.8B |
CAICARIS LIFE SCIENCES INC | $18.5B |
ZBIOZENAS BIOPHARMA INC | $18.2B |
DYNDYNE THERAPEUTICS INC | $17.9B |
NBIXNEUROCRINE BIOSCIENCES INC | $17.8B |
PHVSPHARVARIS N V | $17.3B |
MLYSMINERALYS THERAPEUTICS INC | $15.5B |
PHRPHREESIA INC | $14.8B |
ZLABZAI LAB LTD | $14.3B |
DHRDANAHER CORPORATION | $14.1B |
UNHUNITEDHEALTH GROUP INC | $13.5B |
ARDXARDELYX INC | $13.4B |
ACRSACLARIS THERAPEUTICS INC | $13.4B |
SMMTSUMMIT THERAPEUTICS INC | $12.4B |
ELVNENLIVEN THERAPEUTICS INC | $12.3B |
INSPINSPIRE MED SYS INC | $12.1B |
OMDAOMADA HEALTH INC | $11.7B |
SLNOSOLENO THERAPEUTICS INC | $11.4B |
ACLXARCELLX INC | $11.1B |
EVHEVOLENT HEALTH INC | $10.7B |
GOSSGOSSAMER BIO INC | $10.1B |
MBXMBX BIOSCIENCES INC | $8.9B |
CNTACENTESSA PHARMACEUTICALS PLC | $8.1B |
HTFLHEARTFLOW INC | $8.1B |
BBIOBRIDGEBIO PHARMA INC | $7.9B |
REGNREGENERON PHARMACEUTICALS | $7.8B |
IMNMIMMUNOME INC | $7.5B |
RAPTRAPT THERAPEUTICS INC | $7.2B |
BCAXBICARA THERAPEUTICS INC | $7.2B |
EWEDWARDS LIFESCIENCES CORP | $7.0B |
GOSS 5 06/01/27GOSSAMER BIO INC | $6.6B |
ATECALPHATEC HLDGS INC | $6.4B |
AMLXAMYLYX PHARMACEUTICALS INC | $6.0B |
TMOTHERMO FISHER SCIENTIFIC INC | $5.8B |
JANXJANUX THERAPEUTICS INC | $5.0B |
SGRYSURGERY PARTNERS INC | $4.8B |
EYPTEYEPOINT INC | $4.7B |
PTCTPTC THERAPEUTICS INC | $4.7B |
AGLAGILON HEALTH INC | $4.5B |
MRSNMERSANA THERAPEUTICS INC | $4.4B |
TERNTERNS PHARMACEUTICALS INC | $4.4B |
RCUSARCUS BIOSCIENCES INC | $4.3B |
EDAEDAP TMS S A | $4.2B |
OCULOCULAR THERAPEUTIX INC | $4.2B |
LENZLENZ THERAPEUTICS INC | $4.1B |
TLPHTALPHERA INC | $4.1B |
SIONSIONNA THERAPEUTICS INC | $4.1B |
TBPHTHERAVANCE BIOPHARMA INC | $3.9B |
ALKSALKERMES PLC | $3.9B |
APLSAPELLIS PHARMACEUTICALS INC | $3.8B |
—INDIVIOR PLC | $3.8B |
ERASERASCA INC | $3.5B |
TNGXTANGO THERAPEUTICS INC | $3.4B |
OLMAOLEMA PHARMACEUTICALS INC | $2.5B |
CYTKCYTOKINETICS INC | $2.3B |
PCVXVAXCYTE INC | $2.2B |
NGNENEUROGENE INC | $2.1B |
JSPRJASPER THERAPEUTICS INC | $2.0B |
ROIVROIVANT SCIENCES LTD | $1.9B |
HTDCORCEPT THERAPEUTICS INC | $1.7B |
ACHCACADIA HEALTHCARE COMPANY IN | $1.7B |
TEVATEVA PHARMACEUTICAL INDS LTD | $1.4B |
MLTXMOONLAKE IMMUNOTHERAPEUTICS | $813.0M |
LEGNLEGEND BIOTECH CORP | $734.0M |
JAZZJAZZ PHARMACEUTICALS PLC | $297.0M |
NUVB/WSNUVATION BIO INC | $44.0M |