Rock Springs Capital Management LP Q4 2020 Filing

Filed February 16, 2021

Portfolio Value

$4.7B

Holdings

154

Report Date

Q4 2020

Filing Type

13F-HR

All Holdings (154 positions)

StockValue
NBIXNEUROCRINE BIOSCIENCES INC
$151.0M
IRTCIRHYTHM TECHNOLOGIES INC
$148.3M
UNHUNITEDHEALTH GROUP INC
$142.0M
HUMHUMANA INC
$116.9M
ZLABZAI LAB LTD
$115.7M
AGIOAGIOS PHARMACEUTICALS INC
$109.3M
ISRGINTUITIVE SURGICAL INC
$98.2M
2L9BLUEPRINT MEDICINES CORP
$94.4M
AFWALIGN TECHNOLOGY INC
$87.4M
ACADACADIA PHARMACEUTICALS INC
$86.2M
ARGXARGENX SE
$84.6M
MRTXEURMIRATI THERAPEUTICS INC
$82.0M
PODDINSULET CORP
$81.3M
RAREULTRAGENYX PHARMACEUTICAL IN
$78.4M
NVTA1EURINVITAE CORP
$77.4M
HCAHCA HEALTHCARE INC
$74.0M
FRPTFRESHPET INC
$71.9M
AVIRATEA PHARMACEUTICALS INC
$70.9M
NVROEURNEVRO CORP
$68.4M
EXASEXACT SCIENCES CORP
$64.3M
ARVNARVINAS INC
$63.4M
NVV1NOVAVAX INC
$62.8M
IDXXIDEXX LABS INC
$62.5M
PCRXPACIRA BIOSCIENCES INC
$61.3M
ONCBEIGENE LTD
$58.1M
BIIBBIOGEN INC
$56.3M
SRPTSAREPTA THERAPEUTICS INC
$56.0M
MERSANA THERAPEUTICS INC
$54.9M
TFXTELEFLEX INCORPORATED
$53.5M
EWEDWARDS LIFESCIENCES CORP
$53.1M
ALXNALEXION PHARMACEUTICALS INC
$47.9M
ALLKGUSDALLAKOS INC
$47.8M
PHRPHREESIA INC
$46.1M
HZNPHORIZON THERAPEUTICS PUB L
$45.7M
KYMRKYMERA THERAPEUTICS INC
$44.3M
CNCCENTENE CORP DEL
$43.8M
SGENUSDSEAGEN INC
$43.8M
ALNYALNYLAM PHARMACEUTICALS INC
$43.5M
EHCENCOMPASS HEALTH CORP
$41.3M
IMVTIMMUNOVANT INC
$41.2M
EARGO INC
$40.3M
INSPINSPIRE MED SYS INC
$40.1M
SPRBSPRUCE BIOSCIENCES INC
$39.6M
ASNDASCENDIS PHARMA A/S
$38.9M
ADPTADAPTIVE BIOTECHNOLOGIES COR
$37.5M
CVETUSDCOVETRUS INC
$36.9M
ACHCACADIA HEALTHCARE COMPANY IN
$35.2M
LUNGPULMONX CORP
$34.5M
HCATHEALTH CATALYST INC
$34.2M
ARDXARDELYX INC
$33.3M
NKTXNKARTA INC
$33.3M
NVCRNOVOCURE LTD
$30.3M
ATHIRA PHARMA INC
$29.5M
BSXBOSTON SCIENTIFIC CORP
$28.8M
BFAMBRIGHT HORIZONS FAM SOL IN D
$28.6M
MDGLMADRIGAL PHARMACEUTICALS INC
$28.5M
TVTXTRAVERE THERAPEUTICS INC
$27.8M
PENPENUMBRA INC
$27.8M
EPIZYME INC
$27.7M
MIRMMIRUM PHARMACEUTICALS INC
$26.1M
INCYINCYTE CORP
$26.1M
PRLDPRELUDE THERAPEUTICS INC
$25.8M
GHGUARDANT HEALTH INC
$25.8M
STTKSHATTUCK LABS INC
$25.6M
TGTXTG THERAPEUTICS INC
$25.4M
KRTXKARUNA THERAPEUTICS INC
$24.8M
BAXBAXTER INTL INC
$24.2M
RPRXROYALTY PHARMA PLC
$24.0M
SPROSPERO THERAPEUTICS INC
$23.9M
AM6AMICUS THERAPEUTICS INC
$23.8M
OSH3EUROAK STR HEALTH INC
$22.9M
SWAVUSDSHOCKWAVE MED INC
$22.8M
BMRNBIOMARIN PHARMACEUTICAL INC
$22.2M
COLLCOLLEGIUM PHARMACEUTICAL INC
$22.0M
RCKTROCKET PHARMACEUTICALS INC
$22.0M
ACCDEURACCOLADE INC
$21.8M
AMRNAMARIN CORP PLC
$20.5M
CHRSCOHERUS BIOSCIENCES INC
$20.2M
ABCAM PLC
$19.9M
PPD INC
$18.0M
GAMIDA CELL LTD
$17.6M
ACRSACLARIS THERAPEUTICS INC
$17.3M
CYTK 4 11/15/26CYTOKINETICS INC
$17.3M
INZYINOZYME PHARMA INC
$17.1M
RLAYRELAY THERAPEUTICS INC
$17.1M
RIGLUSDRIGEL PHARMACEUTICALS INC
$16.6M
KURAKURA ONCOLOGY INC
$16.6M
CERE1EURCEREVEL THERAPEUTICS HLDNG I
$16.6M
GLPGGALAPAGOS NV
$16.3M
INTERSECT ENT INC
$16.0M
TARAPROTARA THERAPEUTICS INC
$15.6M
RYTMRHYTHM PHARMACEUTICALS INC
$14.6M
JAZZJAZZ PHARMACEUTICALS PLC
$14.4M
MYOVANT SCIENCES LTD
$14.2M
GOSS 5 06/01/27GOSSAMER BIO INC
$14.2M
APLTAPPLIED THERAPEUTICS INC
$14.0M
GW PHARMACEUTICALS PLC
$13.8M
CGENCOMPUGEN LTD
$13.7M
PRTAPROTHENA CORP PLC
$13.7M
AKROAKERO THERAPEUTICS INC
$13.3M
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