Rock Springs Capital Management LP Diversified Active

Location: Baltimore, MD

CIK: 0001595725 · Show all filings

Period: Q3 2021 (← Previous) (Next →)

Filing Date: Nov 15, 2021

Total Value: $4.756B (98.9% shares, 1.1% debt)

Holdings (153)

AGL AGILON HEALTH INC 3.9%
Value $185M Shares 7,075,000 Est. Cost $35.03 Unrealized -2.5%
HUM HUMANA INC 2.8%
Value $133M Shares 342,000 Est. Cost $346.48 Unrealized +17.4%
ALGN ALIGN TECHNOLOGY INC 2.8%
Value $133M Shares 200,000 Est. Cost $304.27 Unrealized +123.2%
PODD INSULET CORP 2.6%
Value $124M Shares 437,566 Est. Cost $162.03 Unrealized +76.0%
ISRG INTUITIVE SURGICAL INC 2.5%
Value $119M Shares 120,000 Est. Cost $105.96 Unrealized +216.9%
AGIO AGIOS PHARMACEUTICALS INC 2.5%
Value $118M Shares 2,556,179 Est. Cost $42.90 Unrealized +12.6%
ZLAB ZAI LAB LTD 2.4%
Value $114M Shares 1,077,750 Est. Cost $61.95 Unrealized
IDXX IDEXX LABS INC 2.4%
Value $112M Shares 180,000 Est. Cost $292.33 Unrealized +129.9%
HCA HCA HEALTHCARE INC 2.3%
Value $109M Shares 450,000 Est. Cost $96.26 Unrealized +144.5%
NBIX NEUROCRINE BIOSCIENCES INC 2.1%
Value $101M Shares 1,051,500 Est. Cost $73.81 Unrealized +28.0%
ARGX ARGENX SE 2.0%
Value $95.13M Shares 315,000 Est. Cost $135.42 Unrealized
NVAX NOVAVAX INC 2.0%
Value $94.33M Shares 455,000 Est. Cost $40.40 Unrealized +445.5%
UNH UNITEDHEALTH GROUP INC 2.0%
Value $93.78M Shares 240,000 Est. Cost $189.39 Unrealized +103.2%
IMCR IMMUNOCORE HLDGS PLC 1.9%
Value $90.64M Shares 2,445,155 Est. Cost $42.31 Unrealized
BLUEPRINT MEDICINES CORP 1.8%
Value $87.35M Shares 849,659 Est. Cost $72.65 Unrealized
HORIZON THERAPEUTICS PUB L 1.6%
Value $76.9M Shares 702,000 Est. Cost $81.17 Unrealized
FRPT FRESHPET INC 1.6%
Value $75.2M Shares 527,000 Est. Cost $53.76 Unrealized +166.0%
INVITAE CORP 1.6%
Value $74.08M Shares 2,605,829 Est. Cost $24.00 Unrealized
NEVRO CORP 1.6%
Value $73.98M Shares 635,700 Est. Cost $104.34 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 1.5%
Value $72.25M Shares 801,109 Est. Cost $70.87 Unrealized +27.5%
ACRS ACLARIS THERAPEUTICS INC 1.4%
Value $68.46M Shares 3,803,232 Est. Cost $10.72 Unrealized +49.5%
EW EDWARDS LIFESCIENCES CORP 1.4%
Value $65.89M Shares 582,000 Est. Cost $59.31 Unrealized +92.4%
ASND ASCENDIS PHARMA A/S 1.3%
Value $63.76M Shares 400,000 Est. Cost $83.68 Unrealized
MIRATI THERAPEUTICS INC 1.3%
Value $62.54M Shares 353,514 Est. Cost $83.63 Unrealized
PHR PHREESIA INC 1.3%
Value $59.85M Shares 970,000 Est. Cost $31.31 Unrealized +113.1%
ALNY ALNYLAM PHARMACEUTICALS INC 1.2%
Value $58.72M Shares 311,000 Est. Cost $89.51 Unrealized +109.6%
EVH EVOLENT HEALTH INC 1.2%
Value $58.13M Shares 1,875,000 Est. Cost $19.62 Unrealized +22.3%
PCRX PACIRA BIOSCIENCES INC 1.2%
Value $56M Shares 1,000,000 Est. Cost $48.35 Unrealized +19.2%
EXAS EXACT SCIENCES CORP 1.1%
Value $54.41M Shares 570,000 Est. Cost $56.53 Unrealized +86.8%
PRTA PROTHENA CORP PLC 1.1%
Value $50.6M Shares 710,430 Est. Cost $11.75 Unrealized +428.6%
TFX TELEFLEX INCORPORATED 1.0%
Value $48.95M Shares 130,000 Est. Cost $242.14 Unrealized +56.0%
KARUNA THERAPEUTICS INC 1.0%
Value $47.94M Shares 391,917 Est. Cost $68.99 Unrealized
ARVN ARVINAS INC 1.0%
Value $47.46M Shares 577,500 Est. Cost $32.84 Unrealized +169.1%
CEREVEL THERAPEUTICS HLDNG I 1.0%
Value $47.22M Shares 1,600,589 Est. Cost $21.36 Unrealized
SHOCKWAVE MED INC 1.0%
Value $45.29M Shares 220,000 Est. Cost $50.28 Unrealized
ACHC ACADIA HEALTHCARE COMPANY IN 1.0%
Value $45.28M Shares 710,000 Est. Cost $45.06 Unrealized +40.1%
VERVE THERAPEUTICS INC 1.0%
Value $45.25M Shares 962,826 Est. Cost $60.25 Unrealized
KYMR KYMERA THERAPEUTICS INC 0.9%
Value $43.05M Shares 732,927 Est. Cost $34.51 Unrealized +68.0%
HCAT HEALTH CATALYST INC 0.9%
Value $42.51M Shares 850,000 Est. Cost $35.51 Unrealized +53.6%
SEAGEN INC 0.9%
Value $42.45M Shares 250,000 Est. Cost $175.14 Unrealized
PEN PENUMBRA INC 0.8%
Value $39.31M Shares 147,500 Est. Cost $55.16 Unrealized +387.3%
ACCOLADE INC 0.8%
Value $38.92M Shares 923,000 Est. Cost $42.22 Unrealized
EHC ENCOMPASS HEALTH CORP 0.8%
Value $37.52M Shares 500,000 Est. Cost $45.98 Unrealized +30.6%
TVTX TRAVERE THERAPEUTICS INC 0.8%
Value $36.3M Shares 1,496,817 Est. Cost $24.60 Unrealized -25.3%
BAX BAXTER INTL INC 0.8%
Value $36.19M Shares 450,000 Est. Cost $71.56 Unrealized 0.0%
WRBY WARBY PARKER INC 0.7%
Value $34.48M Shares 650,000 Est. Cost $53.77 Unrealized 0.0%
GRAPHITE BIO INC 0.7%
Value $34.04M Shares 2,076,710 Est. Cost $30.73 Unrealized
INTERSECT ENT INC 0.7%
Value $33.18M Shares 1,220,000 Est. Cost $22.46 Unrealized
SRPT SAREPTA THERAPEUTICS INC 0.7%
Value $32.37M Shares 350,000 Est. Cost $55.80 Unrealized +38.0%
ALLAKOS INC 0.7%
Value $32.37M Shares 305,706 Est. Cost $73.38 Unrealized
MIRM MIRUM PHARMACEUTICALS INC 0.6%
Value $30.39M Shares 1,525,623 Est. Cost $12.91 Unrealized +26.0%
COVETRUS INC 0.6%
Value $29.45M Shares 1,623,500 Est. Cost $21.21 Unrealized
IMRX IMMUNEERING CORP 0.6%
Value $28.93M Shares 1,089,816 Est. Cost $26.87 Unrealized 0.0%
SIERRA ONCOLOGY INC 0.6%
Value $28.8M Shares 1,313,997 Est. Cost $17.77 Unrealized
MERSANA THERAPEUTICS INC 0.6%
Value $28.48M Shares 3,020,702 Est. Cost $15.97 Unrealized
CYTOKINETICS INC 0.6%
Value $28.32M Shares 8,000,000 Est. Cost $1.32 Unrealized
DYNAVAX TECHNOLOGIES CORP 0.6%
Value $27.47M Shares 1,429,921 Est. Cost $6.81 Unrealized
AVIR ATEA PHARMACEUTICALS INC 0.6%
Value $26.31M Shares 750,307 Est. Cost $32.23 Unrealized -14.0%
IRTC IRHYTHM TECHNOLOGIES INC 0.6%
Value $26.23M Shares 448,000 Est. Cost $55.70 Unrealized -4.9%
DXCM DEXCOM INC 0.5%
Value $25.43M Shares 46,500 Est. Cost $95.92 Unrealized +31.5%
LUNG PULMONX CORP 0.5%
Value $25.19M Shares 700,000 Est. Cost $48.60 Unrealized -19.0%
GH GUARDANT HEALTH INC 0.5%
Value $25M Shares 200,000 Est. Cost $42.73 Unrealized +178.1%
LFST LIFESTANCE HEALTH GROUP INC 0.5%
Value $24.47M Shares 1,687,500 Est. Cost $25.62 Unrealized -24.8%
CGEM CULLINAN ONCOLOGY INC 0.5%
Value $24.28M Shares 1,075,912 Est. Cost $40.60 Unrealized -34.1%
ABOS ACUMEN PHARMACEUTICALS INC 0.5%
Value $23.47M Shares 1,579,191 Est. Cost $16.64 Unrealized 0.0%
ABCAM PLC 0.5%
Value $23.26M Shares 1,147,588 Est. Cost $21.14 Unrealized
WHWK AADI BIOSCIENCES INC 0.5%
Value $22.46M Shares 764,701 Est. Cost $30.48 Unrealized 0.0%
AMARIN CORP PLC 0.5%
Value $22.03M Shares 4,320,000 Est. Cost $4.93 Unrealized
ICOSAVAX INC 0.5%
Value $21.73M Shares 734,215 Est. Cost $29.59 Unrealized
CNMD CONMED CORP 0.4%
Value $21.26M Shares 162,500 Est. Cost $109.65 Unrealized +14.7%
MDGL MADRIGAL PHARMACEUTICALS INC 0.4%
Value $20.95M Shares 262,500 Est. Cost $41.45 Unrealized +108.4%
BOLT BIOTHERAPEUTICS INC 0.4%
Value $20.86M Shares 1,649,248 Est. Cost $31.91 Unrealized
NVCR NOVOCURE LTD 0.4%
Value $20.33M Shares 175,000 Est. Cost $37.58 Unrealized +302.3%
BMRN BIOMARIN PHARMACEUTICAL INC 0.4%
Value $19.59M Shares 253,500 Est. Cost $85.83 Unrealized -8.1%
OAK STR HEALTH INC 0.4%
Value $18.76M Shares 441,000 Est. Cost $53.12 Unrealized
EPIZYME INC 0.4%
Value $18.4M Shares 3,593,885 Est. Cost $12.21 Unrealized
COLL COLLEGIUM PHARMACEUTICAL INC 0.4%
Value $17.77M Shares 900,000 Est. Cost $15.97 Unrealized +35.4%
RIGEL PHARMACEUTICALS INC 0.4%
Value $17.4M Shares 4,793,400 Est. Cost $2.87 Unrealized
SPRO SPERO THERAPEUTICS INC 0.4%
Value $17.33M Shares 941,543 Est. Cost $11.82 Unrealized +35.8%
GOSSAMER BIO INC 0.3%
Value $16.25M Shares 15,573,000 Est. Cost $1.01 Unrealized
LEGN LEGEND BIOTECH CORP 0.3%
Value $15.94M Shares 315,218 Est. Cost $38.05 Unrealized
AMRYT PHARMA PLC 0.3%
Value $15.6M Shares 1,295,225 Est. Cost $12.05 Unrealized
KURA KURA ONCOLOGY INC 0.3%
Value $15.4M Shares 822,500 Est. Cost $32.93 Unrealized -42.8%
RLAY RELAY THERAPEUTICS INC 0.3%
Value $14.8M Shares 469,560 Est. Cost $35.76 Unrealized -5.9%
ANAB ANAPTYSBIO INC 0.3%
Value $14.53M Shares 535,832 Est. Cost $28.24 Unrealized -10.1%
PROMETHEUS BIOSCIENCES INC 0.3%
Value $14.47M Shares 610,136 Est. Cost $18.60 Unrealized
BRIGHT HEALTH GROUP INC 0.3%
Value $14.4M Shares 1,765,000 Est. Cost $17.16 Unrealized
LEAP THERAPEUTICS INC 0.3%
Value $14.07M Shares 3,508,270 Est. Cost $4.01 Unrealized
NKTX NKARTA INC 0.3%
Value $13.99M Shares 503,148 Est. Cost $29.49 Unrealized +7.4%
BMEA BIOMEA FUSION INC 0.3%
Value $13.95M Shares 1,165,582 Est. Cost $17.65 Unrealized -27.9%
AUPH AURINIA PHARMACEUTICALS INC 0.3%
Value $13.57M Shares 613,269 Est. Cost $14.49 Unrealized +9.5%
MGNX MACROGENICS INC 0.3%
Value $13.44M Shares 641,816 Est. Cost $23.52 Unrealized +2.4%
VINCERX PHARMA INC 0.3%
Value $12.94M Shares 800,295 Est. Cost $16.17 Unrealized
FULC FULCRUM THERAPEUTICS INC 0.3%
Value $12.84M Shares 455,290 Est. Cost $18.95 Unrealized 0.0%
WST WEST PHARMACEUTICAL SVSC INC 0.3%
Value $12.74M Shares 30,000 Est. Cost $112.53 Unrealized +270.5%
AKERO THERAPEUTICS INC 0.3%
Value $12.71M Shares 568,701 Est. Cost $24.50 Unrealized
AEGLEA BIOTHERAPEUTICS INC 0.3%
Value $12.54M Shares 1,577,296 Est. Cost $7.80 Unrealized
OLINK HLDG AB 0.3%
Value $12.25M Shares 505,000 Est. Cost $34.06 Unrealized
RCKT ROCKET PHARMACEUTICALS INC 0.3%
Value $12.05M Shares 403,270 Est. Cost $36.45 Unrealized -0.2%
MREO MEREO BIOPHARMA GROUP PLC 0.2%
Value $11.7M Shares 4,832,978 Est. Cost $3.31 Unrealized
APPLIED THERAPEUTICS INC 0.2%
Value $11.65M Shares 701,680 Est. Cost $31.74 Unrealized
PRLD PRELUDE THERAPEUTICS INC 0.2%
Value $11.32M Shares 362,359 Est. Cost $30.10 Unrealized +7.6%
ADAPY ADAPTIMMUNE THERAPEUTICS PLC 0.2%
Value $11.32M Shares 2,189,788 Est. Cost $8.61 Unrealized
TRILLIUM THERAPEUTICS INC 0.2%
Value $11.04M Shares 628,500 Est. Cost $4.28 Unrealized
ORION ACQUISITION CORP 0.2%
Value $9.895M Shares 1,000,000 Est. Cost $10.00 Unrealized
INOZYME PHARMA INC 0.2%
Value $9.852M Shares 850,015 Est. Cost $25.99 Unrealized
SPRUCE BIOSCIENCES INC 0.2%
Value $9.722M Shares 1,617,601 Est. Cost $24.10 Unrealized
FOLD AMICUS THERAPEUTICS INC 0.2%
Value $9.669M Shares 1,012,506 Est. Cost $11.49 Unrealized -11.0%
NRIX NURIX THERAPEUTICS INC 0.2%
Value $9.541M Shares 318,450 Est. Cost $27.41 Unrealized +12.6%
DAWN DAY ONE BIOPHARMACEUTICALS I 0.2%
Value $8.933M Shares 376,439 Est. Cost $20.76 Unrealized +15.4%
XENE XENON PHARMACEUTICALS INC 0.2%
Value $8.91M Shares 583,100 Est. Cost $14.52 Unrealized +19.6%
CHINOOK THERAPEUTICS INC 0.2%
Value $8.781M Shares 688,149 Est. Cost $15.84 Unrealized
RENEO PHARMACEUTICALS INC 0.2%
Value $8.517M Shares 1,143,185 Est. Cost $9.31 Unrealized
GAMIDA CELL LTD 0.2%
Value $8.418M Shares 2,147,400 Est. Cost $4.94 Unrealized
PARATEK PHARMACEUTICALS INC 0.2%
Value $8.092M Shares 1,665,014 Est. Cost $6.16 Unrealized
RYTM RHYTHM PHARMACEUTICALS INC 0.2%
Value $7.995M Shares 612,180 Est. Cost $24.07 Unrealized -36.6%
F-STAR THERAPEUTICS INC 0.2%
Value $7.717M Shares 1,054,232 Est. Cost $8.59 Unrealized
KINNATE BIOPHARMA INC 0.2%
Value $7.665M Shares 332,986 Est. Cost $39.52 Unrealized
CGEN COMPUGEN LTD 0.2%
Value $7.664M Shares 1,283,790 Est. Cost $6.12 Unrealized +9.4%
FUSION PHARMACEUTICALS INC 0.2%
Value $7.511M Shares 948,327 Est. Cost $17.41 Unrealized
EARGO INC 0.1%
Value $6.562M Shares 975,000 Est. Cost $42.79 Unrealized
FATE FATE THERAPEUTICS INC 0.1%
Value $6.52M Shares 110,000 Est. Cost $89.50 Unrealized -12.4%
STTK SHATTUCK LABS INC 0.1%
Value $6.389M Shares 313,499 Est. Cost $32.14 Unrealized -33.4%
PHASEBIO PHARMACEUTICALS INC 0.1%
Value $5.734M Shares 1,843,764 Est. Cost $5.35 Unrealized
ATHIRA PHARMA INC 0.1%
Value $5.18M Shares 552,252 Est. Cost $18.46 Unrealized
TBPH THERAVANCE BIOPHARMA INC 0.1%
Value $5.088M Shares 687,500 Est. Cost $21.11 Unrealized -47.0%
DSGN DESIGN THERAPEUTICS INC 0.1%
Value $4.907M Shares 334,050 Est. Cost $31.06 Unrealized -46.5%
EDAP EDAP TMS S A 0.1%
Value $4.855M Shares 760,900 Est. Cost $7.09 Unrealized
ATAI LIFE SCIENCES NV 0.1%
Value $4.698M Shares 317,628 Est. Cost $18.50 Unrealized
GRTX GALERA THERAPEUTICS INC 0.1%
Value $4.603M Shares 568,252 Est. Cost $12.01 Unrealized -28.6%
TEMPEST THERAPEUTICS INC 0.1%
Value $4.488M Shares 310,161 Est. Cost $11.18 Unrealized
ESSA PHARMA INC 0.1%
Value $4.064M Shares 508,044 Est. Cost $29.05 Unrealized
ACELRX PHARMACEUTICALS INC 0.1%
Value $3.896M Shares 3,819,402 Est. Cost $1.42 Unrealized
INNV INNOVAGE HLDG CORP 0.1%
Value $3.47M Shares 525,000 Est. Cost $23.81 Unrealized -35.0%
IMARA INC 0.1%
Value $3.383M Shares 829,102 Est. Cost $4.08 Unrealized
TRAVERE THERAPEUTICS INC 0.1%
Value $3.276M Shares 3,250,000 Est. Cost $0.79 Unrealized
BCLS ACQUISITION CORP 0.1%
Value $3.078M Shares 309,000 Est. Cost $11.14 Unrealized
ATRECA INC 0.1%
Value $2.865M Shares 459,830 Est. Cost $13.90 Unrealized
NUVB NUVATION BIO INC 0.0%
Value $2.352M Shares 236,609 Est. Cost $11.18 Unrealized -18.9%
POSEIDA THERAPEUTICS INC 0.0%
Value $2.112M Shares 289,754 Est. Cost $8.87 Unrealized
FS DEVELOPMENT CORP II 0.0%
Value $2.083M Shares 209,332 Est. Cost $9.96 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.0%
Value $2.05M Shares 206,000 Est. Cost $10.66 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value $2.046M Shares 206,000 Est. Cost $10.27 Unrealized
POPULATION HEALTH INVS CO IN 0.0%
Value $2.011M Shares 201,044 Est. Cost $10.45 Unrealized
JIYA ACQUISITION CORP 0.0%
Value $2.01M Shares 206,200 Est. Cost $10.30 Unrealized
MLTX HELIX ACQUISITION CORP 0.0%
Value $1.537M Shares 154,500 Est. Cost $11.37 Unrealized
THERAVANCE BIOPHARMA INC 0.0%
Value $1.391M Shares 1,500,000 Est. Cost $1.14 Unrealized
RADIUS HEALTH INC 0.0%
Value $1.37M Shares 1,500,000 Est. Cost $1.01 Unrealized
NEUROCRINE BIOSCIENCES INC 0.0%
Value $1.336M Shares 1,000,000 Est. Cost $1.45 Unrealized
PACIRA BIOSCIENCES INC 0.0%
Value $1.038M Shares 1,000,000 Est. Cost $0.91 Unrealized
APLS APELLIS PHARMACEUTICALS INC 0.0%
Value $872K Shares 26,458 Est. Cost $56.19 Unrealized 0.0%
NEVRO CORP 0.0%
Value $675K Shares 500,000 Est. Cost $1.37 Unrealized
NUVATION BIO INC 0.0%
Value $343K Shares 134,028 Est. Cost $2.67 Unrealized