Rock Springs Capital Management LP Q1 2021 Filing

Filed May 17, 2021

Portfolio Value

$4.6B

Holdings

151

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (151 positions)

StockValue
AGIOAGIOS PHARMACEUTICALS INC
$131.4M
HUMHUMANA INC
$126.2M
ZLABZAI LAB LTD
$124.6M
AVIRATEA PHARMACEUTICALS INC
$104.7M
UNHUNITEDHEALTH GROUP INC
$102.3M
FIVE PRIME THERAPEUTICS INC
$100.2M
NBIXNEUROCRINE BIOSCIENCES INC
$98.7M
IMCRIMMUNOCORE HLDGS PLC
$97.6M
PODDINSULET CORP
$96.8M
AFWALIGN TECHNOLOGY INC
$96.1M
ACRSACLARIS THERAPEUTICS INC
$89.9M
ISRGINTUITIVE SURGICAL INC
$88.7M
IDXXIDEXX LABS INC
$88.1M
HCAHCA HEALTHCARE INC
$84.8M
NVTA1EURINVITAE CORP
$84.6M
NVV1NOVAVAX INC
$83.6M
ARGXARGENX SE
$82.6M
FRPTFRESHPET INC
$80.4M
EXASEXACT SCIENCES CORP
$75.1M
2L9BLUEPRINT MEDICINES CORP
$72.6M
PCRXPACIRA BIOSCIENCES INC
$71.8M
ONCBEIGENE LTD
$69.6M
NVROEURNEVRO CORP
$67.7M
IRTCIRHYTHM TECHNOLOGIES INC
$60.1M
HZNPHORIZON THERAPEUTICS PUB L
$57.5M
MRTXEURMIRATI THERAPEUTICS INC
$55.4M
TFXTELEFLEX INCORPORATED
$54.0M
BOLT1EURBOLT BIOTHERAPEUTICS INC
$51.3M
RAREULTRAGENYX PHARMACEUTICAL IN
$51.2M
EWEDWARDS LIFESCIENCES CORP
$48.7M
MERSANA THERAPEUTICS INC
$44.9M
CGEMCULLINAN ONCOLOGY INC
$44.8M
KRTXKARUNA THERAPEUTICS INC
$44.3M
PHRPHREESIA INC
$44.3M
EARGO INC
$42.5M
ALNYALNYLAM PHARMACEUTICALS INC
$42.4M
CVETUSDCOVETRUS INC
$42.0M
ARVNARVINAS INC
$41.1M
EHCENCOMPASS HEALTH CORP
$41.0M
ACHCACADIA HEALTHCARE COMPANY IN
$40.0M
PENPENUMBRA INC
$39.9M
TVTXTRAVERE THERAPEUTICS INC
$36.8M
HCATHEALTH CATALYST INC
$36.7M
ALLKGUSDALLAKOS INC
$35.1M
SGENUSDSEAGEN INC
$34.7M
ARDXARDELYX INC
$34.3M
AZNASTRAZENECA PLC
$32.3M
BIIBBIOGEN INC
$31.8M
BSXBOSTON SCIENTIFIC CORP
$30.9M
GHGUARDANT HEALTH INC
$30.5M
MDGLMADRIGAL PHARMACEUTICALS INC
$30.2M
ASNDASCENDIS PHARMA A/S
$30.1M
MIRMMIRUM PHARMACEUTICALS INC
$29.8M
EVHEVOLENT HEALTH INC
$29.2M
PRTAPROTHENA CORP PLC
$29.1M
SWAVUSDSHOCKWAVE MED INC
$28.7M
ACCDEURACCOLADE INC
$28.4M
ACADACADIA PHARMACEUTICALS INC
$27.8M
LUNGPULMONX CORP
$27.1M
SPRBSPRUCE BIOSCIENCES INC
$26.2M
ADPTADAPTIVE BIOTECHNOLOGIES COR
$26.2M
AMRNAMARIN CORP PLC
$26.1M
PPD INC
$25.5M
SRPTSAREPTA THERAPEUTICS INC
$24.5M
EPIZYME INC
$24.4M
KYMRKYMERA THERAPEUTICS INC
$24.2M
NVCRNOVOCURE LTD
$23.1M
INTERSECT ENT INC
$22.6M
COLLCOLLEGIUM PHARMACEUTICAL INC
$21.8M
INSPINSPIRE MED SYS INC
$20.7M
ABCAM PLC
$20.6M
OSH3EUROAK STR HEALTH INC
$20.4M
KURAKURA ONCOLOGY INC
$20.1M
BMRNBIOMARIN PHARMACEUTICAL INC
$19.1M
CYTK 4 11/15/26CYTOKINETICS INC
$19.1M
RCKTROCKET PHARMACEUTICALS INC
$17.9M
SIERRA ONCOLOGY INC
$17.5M
GAMIDA CELL LTD
$17.0M
INZYINOZYME PHARMA INC
$16.4M
PRLDPRELUDE THERAPEUTICS INC
$16.4M
DVAXDYNAVAX TECHNOLOGIES CORP
$16.3M
RIGLUSDRIGEL PHARMACEUTICALS INC
$16.2M
NKTXNKARTA INC
$16.2M
MREOMEREO BIOPHARMA GROUP PLC
$15.1M
AKROAKERO THERAPEUTICS INC
$15.1M
EPIEURESSA PHARMA INC
$14.6M
ATHIRA PHARMA INC
$14.5M
OLINK HLDG AB
$14.4M
SPROSPERO THERAPEUTICS INC
$14.2M
GOSS 5 06/01/27GOSSAMER BIO INC
$14.0M
TBPHTHERAVANCE BIOPHARMA INC
$13.9M
CERE1EURCEREVEL THERAPEUTICS HLDNG I
$13.8M
APLTAPPLIED THERAPEUTICS INC
$13.2M
TGTXTG THERAPEUTICS INC
$12.8M
RYTMRHYTHM PHARMACEUTICALS INC
$12.7M
GLPGGALAPAGOS NV
$12.7M
MGNXMACROGENICS INC
$12.5M
AGLEUSDAEGLEA BIOTHERAPEUTICS INC
$12.5M
INNVINNOVAGE HLDG CORP
$12.3M
PARATEK PHARMACEUTICALS INC
$11.9M
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