Rock Springs Capital Management LP Q1 2023 Filing

Filed May 15, 2023

Portfolio Value

$4.2B

Holdings

121

Report Date

Q1 2023

Filing Type

13F-HR

All Holdings (121 positions)

StockValue
HUMHUMANA INC
$207.0M
AGLAGILON HEALTH INC
$187.2M
PODDINSULET CORP
$171.2M
IMCRIMMUNOCORE HLDGS PLC
$148.4M
ARGXARGENX SE
$130.4M
UNHUNITEDHEALTH GROUP INC
$127.6M
EVHEVOLENT HEALTH INC
$123.4M
NBIXNEUROCRINE BIOSCIENCES INC
$122.5M
PENPENUMBRA INC
$120.8M
PROMETHEUS BIOSCIENCES INC
$110.7M
IDXXIDEXX LABS INC
$103.8M
2L9BLUEPRINT MEDICINES CORP
$91.5M
KRTXKARUNA THERAPEUTICS INC
$89.6M
MDGLMADRIGAL PHARMACEUTICALS INC
$84.3M
AFWALIGN TECHNOLOGY INC
$82.6M
SGENUSDSEAGEN INC
$81.0M
HZNPHORIZON THERAPEUTICS PUB L
$80.8M
ISRGINTUITIVE SURGICAL INC
$76.3M
WSTWEST PHARMACEUTICAL SVSC INC
$70.0M
ALNYALNYLAM PHARMACEUTICALS INC
$69.1M
EXASEXACT SCIENCES CORP
$63.8M
ACHCACADIA HEALTHCARE COMPANY IN
$62.2M
CERE1EURCEREVEL THERAPEUTICS HLDNG I
$61.3M
AGIOAGIOS PHARMACEUTICALS INC
$61.1M
SRPTSAREPTA THERAPEUTICS INC
$61.0M
DC4DEXCOM INC
$57.0M
AKROAKERO THERAPEUTICS INC
$55.6M
RAREULTRAGENYX PHARMACEUTICAL IN
$53.6M
EWEDWARDS LIFESCIENCES CORP
$53.4M
ASNDASCENDIS PHARMA A/S
$45.6M
FRPTFRESHPET INC
$43.9M
MIRMMIRUM PHARMACEUTICALS INC
$43.1M
AMLXAMYLYX PHARMACEUTICALS INC
$42.6M
XENEXENON PHARMACEUTICALS INC
$42.2M
PCRXPACIRA BIOSCIENCES INC
$42.1M
PHRPHREESIA INC
$42.1M
BMEABIOMEA FUSION INC
$40.2M
MRTXEURMIRATI THERAPEUTICS INC
$39.6M
NVROEURNEVRO CORP
$39.0M
IRTCIRHYTHM TECHNOLOGIES INC
$38.4M
OLINK HLDG AB
$37.2M
ACCDEURACCOLADE INC
$36.6M
PRTAPROTHENA CORP PLC
$36.5M
KYMRKYMERA THERAPEUTICS INC
$36.4M
ZLABZAI LAB LTD
$35.2M
ACRSACLARIS THERAPEUTICS INC
$32.1M
ABCAM PLC
$30.2M
TVTXTRAVERE THERAPEUTICS INC
$28.7M
RYTMRHYTHM PHARMACEUTICALS INC
$28.5M
XLVSELECT SECTOR SPDR TR
$25.9M
BMRNBIOMARIN PHARMACEUTICAL INC
$25.7M
SWAVUSDSHOCKWAVE MED INC
$25.0M
LEGNLEGEND BIOTECH CORP
$22.1M
LFSTLIFESTANCE HEALTH GROUP INC
$21.5M
CNMDCONMED CORP
$21.3M
BCRXBIOCRYST PHARMACEUTICALS INC
$19.5M
AMRYT PHARMA PLC
$19.3M
AZTAAZENTA INC
$19.2M
INZYINOZYME PHARMA INC
$18.4M
MLYSMINERALYS THERAPEUTICS INC
$18.3M
CMPXCOMPASS THERAPEUTICS INC
$18.0M
DVAXDYNAVAX TECHNOLOGIES CORP
$17.8M
IMTXIMMATICS N.V
$17.3M
MERSANA THERAPEUTICS INC
$16.9M
CYTKCYTOKINETICS INC
$15.8M
COLLCOLLEGIUM PHARMACEUTICAL INC
$15.6M
RVMDREVOLUTION MEDICINES INC
$15.2M
TCE2CELLDEX THERAPEUTICS INC NEW
$15.2M
WRBYWARBY PARKER INC
$13.8M
PLRXPLIANT THERAPEUTICS INC
$13.1M
ANABANAPTYSBIO INC
$12.5M
AM6AMICUS THERAPEUTICS INC
$11.8M
290ACHINOOK THERAPEUTICS INC
$11.7M
EDAEDAP TMS S A
$11.4M
RLAYRELAY THERAPEUTICS INC
$11.1M
HCATHEALTH CATALYST INC
$10.9M
AURAAURA BIOSCIENCES INC
$9.5M
BHVNBIOHAVEN LTD
$9.4M
VERVVERVE THERAPEUTICS INC
$8.1M
MGNXMACROGENICS INC
$8.1M
NVCRNOVOCURE LTD
$7.5M
LUNGPULMONX CORP
$7.3M
OKURRENEO PHARMACEUTICALS INC
$6.8M
IRONDISC MEDICINE INC
$6.6M
SPRBSPRUCE BIOSCIENCES INC
$6.0M
AUPHAURINIA PHARMACEUTICALS INC
$5.3M
ICOSAVAX INC
$5.0M
GHGUARDANT HEALTH INC
$4.7M
KINNATE BIOPHARMA INC
$4.7M
VIGLVIGIL NEUROSCIENCE INC
$4.6M
XLOXILIO THERAPEUTICS INC
$4.6M
MREOMEREO BIOPHARMA GROUP PLC
$4.4M
PARATEK PHARMACEUTICALS INC
$4.4M
NVTA1EURINVITAE CORP
$4.4M
THESEUS PHARMACEUTICALS INC
$3.9M
NVV1NOVAVAX INC
$3.7M
FATEFATE THERAPEUTICS INC
$3.5M
BEAMBEAM THERAPEUTICS INC
$3.4M
TVTX 2.5 09/15/25TRAVERE THERAPEUTICS INC
$3.1M
ADAPYADAPTIMMUNE THERAPEUTICS PLC
$3.0M
Page 1 of 2Next