Rock Springs Capital Management LP Q4 2021 Filing

Filed February 14, 2022

Portfolio Value

$4.3B

Holdings

136

Report Date

Q4 2021

Filing Type

13F-HR

All Holdings (136 positions)

StockValue
AGLAGILON HEALTH INC
$202.4M
HUMHUMANA INC
$161.9M
AFWALIGN TECHNOLOGY INC
$131.4M
ISRGINTUITIVE SURGICAL INC
$129.3M
PODDINSULET CORP
$123.4M
UNHUNITEDHEALTH GROUP INC
$120.5M
IDXXIDEXX LABS INC
$118.5M
HCAHCA HEALTHCARE INC
$115.6M
ARGXARGENX SE
$110.3M
NBIXNEUROCRINE BIOSCIENCES INC
$94.1M
2L9BLUEPRINT MEDICINES CORP
$92.1M
AGIOAGIOS PHARMACEUTICALS INC
$87.0M
IMCRIMMUNOCORE HLDGS PLC
$84.6M
HZNPHORIZON THERAPEUTICS PUB L
$80.4M
EWEDWARDS LIFESCIENCES CORP
$75.4M
RAREULTRAGENYX PHARMACEUTICAL IN
$74.3M
ZLABZAI LAB LTD
$74.2M
BAXBAXTER INTL INC
$63.0M
NVV1NOVAVAX INC
$60.8M
MRTXEURMIRATI THERAPEUTICS INC
$60.2M
PCRXPACIRA BIOSCIENCES INC
$60.2M
NVROEURNEVRO CORP
$57.9M
EVHEVOLENT HEALTH INC
$56.4M
ALNYALNYLAM PHARMACEUTICALS INC
$56.4M
ACRSACLARIS THERAPEUTICS INC
$56.1M
KRTXKARUNA THERAPEUTICS INC
$55.9M
FRPTFRESHPET INC
$55.3M
ASNDASCENDIS PHARMA A/S
$53.8M
CERE1EURCEREVEL THERAPEUTICS HLDNG I
$53.4M
IRTCIRHYTHM TECHNOLOGIES INC
$51.0M
KYMRKYMERA THERAPEUTICS INC
$47.1M
ACHCACADIA HEALTHCARE COMPANY IN
$45.4M
EXASEXACT SCIENCES CORP
$44.4M
NVTA1EURINVITAE CORP
$42.8M
PENPENUMBRA INC
$42.7M
SWAVUSDSHOCKWAVE MED INC
$39.7M
SGENUSDSEAGEN INC
$39.6M
SRPTSAREPTA THERAPEUTICS INC
$38.2M
ARVNARVINAS INC
$37.6M
CYTK 4 11/15/26CYTOKINETICS INC
$35.7M
WRBYWARBY PARKER INC
$33.7M
HCATHEALTH CATALYST INC
$33.7M
VERVVERVE THERAPEUTICS INC
$33.3M
CVETUSDCOVETRUS INC
$33.2M
EHCENCOMPASS HEALTH CORP
$32.8M
PHRPHREESIA INC
$32.1M
PRTAPROTHENA CORP PLC
$32.0M
ACCDEURACCOLADE INC
$31.6M
DC4DEXCOM INC
$30.5M
TVTXTRAVERE THERAPEUTICS INC
$29.5M
ABCAM PLC
$29.5M
CNMDCONMED CORP
$28.7M
GRPHGRAPHITE BIO INC
$25.8M
SIERRA ONCOLOGY INC
$25.8M
INTERSECT ENT INC
$25.7M
MIRMMIRUM PHARMACEUTICALS INC
$24.5M
PROMETHEUS BIOSCIENCES INC
$24.5M
XENEXENON PHARMACEUTICALS INC
$24.1M
BMRNBIOMARIN PHARMACEUTICAL INC
$23.3M
MDGLMADRIGAL PHARMACEUTICALS INC
$22.8M
LUNGPULMONX CORP
$22.4M
DVAXDYNAVAX TECHNOLOGIES CORP
$22.2M
WSTWEST PHARMACEUTICAL SVSC INC
$21.3M
MERSANA THERAPEUTICS INC
$20.2M
GHGUARDANT HEALTH INC
$20.0M
XLOXILIO THERAPEUTICS INC
$19.1M
LFSTLIFESTANCE HEALTH GROUP INC
$19.0M
LEGNLEGEND BIOTECH CORP
$18.8M
ANABANAPTYSBIO INC
$18.7M
RLAYRELAY THERAPEUTICS INC
$18.4M
IMRXIMMUNEERING CORP
$17.6M
AURAAURA BIOSCIENCES INC
$17.1M
CMPXCOMPASS THERAPEUTICS INC
$16.9M
ICOSAVAX INC
$16.8M
SPROSPERO THERAPEUTICS INC
$15.1M
GOSS 5 06/01/27GOSSAMER BIO INC
$15.1M
AMRNAMARIN CORP PLC
$14.9M
AMRYT PHARMA PLC
$14.1M
MGNXMACROGENICS INC
$13.8M
COLLCOLLEGIUM PHARMACEUTICAL INC
$13.5M
NVCRNOVOCURE LTD
$13.1M
WHWKAADI BIOSCIENCE INC
$13.0M
RIGLUSDRIGEL PHARMACEUTICALS INC
$12.9M
AKROAKERO THERAPEUTICS INC
$12.4M
290ACHINOOK THERAPEUTICS INC
$11.7M
AM6AMICUS THERAPEUTICS INC
$11.7M
LPTXEURLEAP THERAPEUTICS INC
$11.4M
ABOSACUMEN PHARMACEUTICALS INC
$10.6M
AUPHAURINIA PHARMACEUTICALS INC
$10.5M
CGEMCULLINAN ONCOLOGY INC
$10.0M
ORION ACQUISITION CORP
$9.8M
OKURRENEO PHARMACEUTICALS INC
$9.8M
EPIZYME INC
$9.5M
OLINK HLDG AB
$9.4M
NRIXNURIX THERAPEUTICS INC
$9.3M
MREOMEREO BIOPHARMA GROUP PLC
$8.9M
BMEABIOMEA FUSION INC
$8.7M
ADAPYADAPTIMMUNE THERAPEUTICS PLC
$8.3M
VINCERX PHARMA INC
$8.2M
FULCFULCRUM THERAPEUTICS INC
$8.1M
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