Rock Springs Capital Management LP Q4 2022 Filing

Filed February 14, 2023

Portfolio Value

$4.2B

Holdings

120

Report Date

Q4 2022

Filing Type

13F-HR

All Holdings (120 positions)

StockValue
GOSS 5 06/01/27GOSSAMER BIO INC
$3.0B
AGLEUSDAEGLEA BIOTHERAPEUTICS INC
$1.0B
LPTXEURLEAP THERAPEUTICS INC
$1.0B
IMCRIMMUNOCORE HLDGS PLC
$189.0M
PODDINSULET CORP
$154.0M
NBIXNEUROCRINE BIOSCIENCES INC
$134.0M
ARGXARGENX SE
$132.0M
AGLAGILON HEALTH INC
$127.0M
PENPENUMBRA INC
$113.0M
RXDXPROMETHEUS BIOSCIENCES INC
$113.0M
EVHEVOLENT HEALTH INC
$106.0M
MDGLMADRIGAL PHARMACEUTICALS INC
$101.0M
AGIOAGIOS PHARMACEUTICALS INC
$84.0M
IDXXIDEXX LABS INC
$84.0M
HZNPHORIZON THERAPEUTICS PUB L
$84.0M
2L9BLUEPRINT MEDICINES CORP
$82.0M
KRTXKARUNA THERAPEUTICS INC
$81.0M
ISRGINTUITIVE SURGICAL INC
$79.0M
CERE1EURCEREVEL THERAPEUTICS HLDNG I
$79.0M
ALNYALNYLAM PHARMACEUTICALS INC
$79.0M
AKROAKERO THERAPEUTICS INC
$76.0M
ACHCACADIA HEALTHCARE COMPANY IN
$69.0M
AFWALIGN TECHNOLOGY INC
$63.0M
ACRSACLARIS THERAPEUTICS INC
$62.0M
RAREULTRAGENYX PHARMACEUTICAL IN
$59.0M
BAXBAXTER INTL INC
$58.0M
SRPTSAREPTA THERAPEUTICS INC
$56.0M
DC4DEXCOM INC
$55.0M
ASNDASCENDIS PHARMA A/S
$51.0M
SGENUSDSEAGEN INC
$51.0M
RYTMRHYTHM PHARMACEUTICALS INC
$51.0M
EWEDWARDS LIFESCIENCES CORP
$48.0M
XENEXENON PHARMACEUTICALS INC
$46.0M
PRTAPROTHENA CORP PLC
$45.0M
AMLXAMYLYX PHARMACEUTICALS INC
$45.0M
EXASEXACT SCIENCES CORP
$43.0M
WSTWEST PHARMACEUTICAL SVSC INC
$43.0M
PHRPHREESIA INC
$42.0M
NVROEURNEVRO CORP
$42.0M
PCRXPACIRA BIOSCIENCES INC
$39.0M
OLINK HLDG AB
$36.0M
MRTXEURMIRATI THERAPEUTICS INC
$36.0M
MIRMMIRUM PHARMACEUTICALS INC
$35.0M
FRPTFRESHPET INC
$34.0M
ABCAM PLC
$33.0M
ZLABZAI LAB LTD
$32.0M
KYMRKYMERA THERAPEUTICS INC
$30.0M
IRTCIRHYTHM TECHNOLOGIES INC
$28.0M
XLVSELECT SECTOR SPDR TR
$27.0M
BMRNBIOMARIN PHARMACEUTICAL INC
$27.0M
CMPXCOMPASS THERAPEUTICS INC
$26.0M
MERSANA THERAPEUTICS INC
$24.0M
SWAVUSDSHOCKWAVE MED INC
$23.0M
LEGNLEGEND BIOTECH CORP
$22.0M
BCRXBIOCRYST PHARMACEUTICALS INC
$21.0M
TVTXTRAVERE THERAPEUTICS INC
$20.0M
AZTAAZENTA INC
$20.0M
CYTKCYTOKINETICS INC
$20.0M
NUVB/WSNUVATION BIO INC
$19.4M
DVAXDYNAVAX TECHNOLOGIES CORP
$19.0M
IMTXIMMATICS N.V
$19.0M
TCE2CELLDEX THERAPEUTICS INC NEW
$18.0M
CNMDCONMED CORP
$18.0M
ANABANAPTYSBIO INC
$17.0M
COLLCOLLEGIUM PHARMACEUTICAL INC
$16.0M
WRBYWARBY PARKER INC
$16.0M
ACCDEURACCOLADE INC
$15.0M
LFSTLIFESTANCE HEALTH GROUP INC
$13.0M
CINCOR PHARMA INC
$13.0M
290ACHINOOK THERAPEUTICS INC
$13.0M
AM6AMICUS THERAPEUTICS INC
$12.0M
AURAAURA BIOSCIENCES INC
$10.0M
RLAYRELAY THERAPEUTICS INC
$10.0M
VERVVERVE THERAPEUTICS INC
$10.0M
NVCRNOVOCURE LTD
$9.0M
HCATHEALTH CATALYST INC
$9.0M
AMRYT PHARMA PLC
$9.0M
BHVNBIOHAVEN LTD
$9.0M
EDAEDAP TMS S A
$9.0M
MGNXMACROGENICS INC
$7.0M
ICOSAVAX INC
$6.0M
IRONDISC MEDICINE INC
$6.0M
BMEABIOMEA FUSION INC
$6.0M
LUNGPULMONX CORP
$5.0M
GHGUARDANT HEALTH INC
$5.0M
NVV1NOVAVAX INC
$5.0M
VIGLVIGIL NEUROSCIENCE INC
$5.0M
NVTA1EURINVITAE CORP
$5.0M
GAMIDA CELL LTD
$5.0M
F-STAR THERAPEUTICS INC
$4.0M
BEAMBEAM THERAPEUTICS INC
$4.0M
MREOMEREO BIOPHARMA GROUP PLC
$4.0M
KNTEKINNATE BIOPHARMA INC
$4.0M
DSGNDESIGN THERAPEUTICS INC
$4.0M
TVTX 2.5 09/15/25TRAVERE THERAPEUTICS INC
$3.0M
XLOXILIO THERAPEUTICS INC
$3.0M
ALTALTIMMUNE INC
$3.0M
ADAPYADAPTIMMUNE THERAPEUTICS PLC
$3.0M
INZYINOZYME PHARMA INC
$3.0M
PARATEK PHARMACEUTICALS INC
$3.0M
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