HoldingsChannel.com
Rock Springs Capital Management LP Top Holdings
As of  06/30/2020

   EntityAmountChange
 03/31/2020 to 06/30/2020
Position Size
($ in 1000's)
NEUROCRINE BIOSCIENCES INC      $168,386
     NBIX1,366,500+17,000$166,713
     NOTE 21,000,000UNCH$1,673
UNITEDHEALTH GROUP INC 405,000 +105,000 $119,455
     UNH405,000+105,000$119,455
CENTENE CORP DEL 1,315,000 +565,000 $83,568
     CNC1,315,000+565,000$83,568
IRHYTHM TECHNOLOGIES INC 651,000 +6,000 $75,444
     IRTC651,000+6,000$75,444
BLUEPRINT MEDICINES CORP 960,029 +223,029 $74,882
     BPMC960,029+223,029$74,882
HUMANA INC 191,000 +33,500 $74,060
     HUM191,000+33,500$74,060
INTUITIVE SURGICAL INC 120,000 -32,500 $68,380
     ISRG120,000-32,500$68,380
ZAI LAB LTD 813,246 +63,246 $66,792
     ZLAB813,246+63,246$66,792
ARGENX SE 287,500 +40,000 $64,754
     ARGX287,500+40,000$64,754
AGIOS PHARMACEUTICALS INC 1,179,720 +124,220 $63,091
     AGIO1,179,720+124,220$63,091
IMMUNOMEDICS INC 1,677,679 +627,679 $59,457
     IMMU1,677,679+627,679$59,457
INSULET CORP 293,000 +1,000 $56,918
     PODD293,000+1,000$56,918
BAXTER INTL INC 645,000 UNCH $55,535
     BAX645,000UNCH$55,535
SAREPTA THERAPEUTICS INC 345,500 UNCH $55,397
     SRPT345,500UNCH$55,397
HCA HEALTHCARE INC 549,500 +29,500 $53,334
     HCA549,500+29,500$53,334
ENCOMPASS HEALTH CORP 832,500 +17,500 $51,557
     EHC832,500+17,500$51,557
ACADIA PHARMACEUTICALS INC 1,055,000 +30,000 $51,136
     ACAD1,055,000+30,000$51,136
ALNYLAM PHARMACEUTICALS INC 345,000 -36,500 $51,098
     ALNY345,000-36,500$51,098
ULTRAGENYX PHARMACEUTICAL IN 646,841 -100,959 $50,596
     RARE646,841-100,959$50,596
PACIRA BIOSCIENCES      $49,629
     PCRX925,000+25,000$48,535
     NOTE 21,000,000UNCH$1,094
BIOGEN INC 180,000 UNCH $48,159
     BIIB180,000UNCH$48,159
BIOMARIN PHARMACEUTICAL INC 387,500 +7,500 $47,794
     BMRN387,500+7,500$47,794
NOVAVAX INC 570,598 +570,598 $47,559
     NVAX570,598+570,598$47,559
TELEFLEX INCORPORATED 130,000 UNCH $47,317
     TFX130,000UNCH$47,317
NEVRO CORP      $46,798
     NVRO386,000+40,000$46,115
     NOTE 2500,000+500,000$683
INVITAE CORP 1,511,127 +361,127 $45,772
     NVTA1,511,127+361,127$45,772
MERSANA THERAPEUTICS INC 1,878,428 +645,428 $43,955
     MRSN1,878,428+645,428$43,955
SEATTLE GENETICS INC 250,000 +8,000 $42,480
     SGEN250,000+8,000$42,480
PORTOLA PHARMACEUTICALS INC 2,306,196 +554,296 $41,488
     PTLA2,306,196+554,296$41,488
IDEXX LABS INC 125,000 UNCH $41,270
     IDXX125,000UNCH$41,270
BEIGENE LTD 215,000 +200 $40,506
     BGNE215,000+200$40,506
EDWARDS LIFESCIENCES CORP 582,000 +388,000 $40,222
     EW582,000+388,000$40,222
FRESHPET INC 476,000 +78,500 $39,822
     FRPT476,000+78,500$39,822
MIRATI THERAPEUTICS INC 348,761 +7,261 $39,818
     MRTX348,761+7,261$39,818
ALIGN TECHNOLOGY INC 143,000 +15,500 $39,245
     ALGN143,000+15,500$39,245
BOSTON SCIENTIFIC CORP 1,100,000 UNCH $38,621
     BSX1,100,000UNCH$38,621
PENUMBRA INC 207,000 -18,000 $37,016
     PEN207,000-18,000$37,016
EXACT SCIENCES CORP 424,000 UNCH $36,863
     EXAS424,000UNCH$36,863
VERTEX PHARMACEUTICALS INC 125,000 UNCH $36,289
     VRTX125,000UNCH$36,289
COHERUS BIOSCIENCES INC 2,025,275 +75,275 $36,171
     CHRS2,025,275+75,275$36,171
APPLIED THERAPEUTICS INC 991,573 +145,873 $35,845
     APLT991,573+145,873$35,845
ASSEMBLY BIOSCIENCES INC 1,498,915 -1,085 $34,955
     ASMB1,498,915-1,085$34,955
ARDELYX INC 5,015,109 +165,109 $34,705
     ARDX5,015,109+165,109$34,705
GALAPAGOS NV 175,000 UNCH $34,526
     GLPG175,000UNCH$34,526
EPIZYME INC 2,104,084 +149,084 $33,792
     EPZM2,104,084+149,084$33,792
AMARIN CORP PLC 4,650,000 UNCH $32,178
     AMRN4,650,000UNCH$32,178
ASCENDIS PHARMA A S 213,500 UNCH $31,577
     ASND213,500UNCH$31,577
CIGNA CORP NEW 161,000 +20,000 $30,212
     CI161,000+20,000$30,212
AMGEN INC 126,000 UNCH $29,718
     AMGN126,000UNCH$29,718
MADRIGAL PHARMACEUTICALS INC 254,268 +4,268 $28,796
     MDGL254,268+4,268$28,796

See Full List: All Stocks Held By Rock Springs Capital Management LP
— Including:
     • Biggest new positions
     • Biggest exits
     • Biggest increased positions
     • Biggest decreased positions

See Details: Top 10 Stocks Held By Rock Springs Capital Management LP

Size ($ in 1000's)
At 06/30/2020: $3,645,815
At 03/31/2020: $2,418,471

Rock Springs Capital Management LP holdings changes, total fund size, and other information presented on HoldingsChannel.com was derived from Rock Springs Capital Management LP 13F filings. Link to 13F filings: SEC filings

Rock Springs Capital Management LP Top Holdings 13F Filings | www.HoldingsChannel.com

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