Rock Springs Capital Management LP Diversified Active

Location: Baltimore, MD

CIK: 0001595725 · Show all filings

Period: Q1 2022 (← Previous) (Next →)

Filing Date: May 16, 2022

Total Value: $3.973B (98.9% shares, 1.1% debt)

Holdings (135)

AGL AGILON HEALTH INC 4.9%
Value $194M Shares 7,640,000 Est. Cost $34.17 Unrealized -39.7%
HUM HUMANA INC 4.0%
Value $160M Shares 368,600 Est. Cost $350.93 Unrealized +14.6%
PODD INSULET CORP 3.2%
Value $128M Shares 481,700 Est. Cost $172.10 Unrealized +42.6%
UNH UNITEDHEALTH GROUP INC 3.1%
Value $122M Shares 240,000 Est. Cost $189.39 Unrealized +138.2%
IDXX IDEXX LABS INC 3.0%
Value $120M Shares 218,750 Est. Cost $333.73 Unrealized +57.6%
ARGX ARGENX SE 2.8%
Value $110M Shares 350,000 Est. Cost $153.41 Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 2.6%
Value $104M Shares 1,105,000 Est. Cost $74.69 Unrealized +13.5%
ALGN ALIGN TECHNOLOGY INC 2.4%
Value $94.39M Shares 216,500 Est. Cost $318.17 Unrealized +53.0%
HCA HCA HEALTHCARE INC 2.4%
Value $93.98M Shares 375,000 Est. Cost $96.26 Unrealized +152.1%
ISRG INTUITIVE SURGICAL INC 2.3%
Value $90.05M Shares 298,500 Est. Cost $264.69 Unrealized +10.4%
HORIZON THERAPEUTICS PUB L 2.0%
Value $78.49M Shares 746,000 Est. Cost $82.74 Unrealized
AGIO AGIOS PHARMACEUTICALS INC 2.0%
Value $77.59M Shares 2,665,275 Est. Cost $42.81 Unrealized -28.6%
EVH EVOLENT HEALTH INC 1.9%
Value $76.87M Shares 2,380,000 Est. Cost $21.19 Unrealized +23.6%
PCRX PACIRA BIOSCIENCES INC 1.9%
Value $76.32M Shares 1,000,000 Est. Cost $48.35 Unrealized +37.9%
IMCR IMMUNOCORE HLDGS PLC 1.9%
Value $76.31M Shares 2,552,034 Est. Cost $41.83 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 1.9%
Value $74.66M Shares 1,028,109 Est. Cost $71.54 Unrealized -2.7%
EW EDWARDS LIFESCIENCES CORP 1.8%
Value $70.22M Shares 596,500 Est. Cost $60.60 Unrealized +85.1%
IRTC IRHYTHM TECHNOLOGIES INC 1.7%
Value $68.66M Shares 436,000 Est. Cost $55.70 Unrealized +130.5%
ACRS ACLARIS THERAPEUTICS INC 1.7%
Value $66.63M Shares 3,865,034 Est. Cost $10.79 Unrealized +26.5%
FRPT FRESHPET INC 1.5%
Value $60.81M Shares 592,500 Est. Cost $60.89 Unrealized +54.6%
BLUEPRINT MEDICINES CORP 1.5%
Value $60.54M Shares 947,715 Est. Cost $72.20 Unrealized
CEREVEL THERAPEUTICS HLDNG I 1.5%
Value $60.33M Shares 1,723,341 Est. Cost $22.26 Unrealized
BAX BAXTER INTL INC 1.5%
Value $58.21M Shares 750,700 Est. Cost $72.28 Unrealized +5.7%
SHOCKWAVE MED INC 1.4%
Value $56.3M Shares 271,500 Est. Cost $79.81 Unrealized
KARUNA THERAPEUTICS INC 1.4%
Value $54.84M Shares 432,543 Est. Cost $74.76 Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 1.4%
Value $54.29M Shares 332,500 Est. Cost $95.74 Unrealized +59.1%
DXCM DEXCOM INC 1.3%
Value $53.21M Shares 104,000 Est. Cost $106.74 Unrealized +2.5%
ZLAB ZAI LAB LTD 1.3%
Value $53.03M Shares 1,205,900 Est. Cost $61.65 Unrealized
NEVRO CORP 1.3%
Value $52.19M Shares 721,500 Est. Cost $101.48 Unrealized
ACHC ACADIA HEALTHCARE COMPANY IN 1.2%
Value $49.38M Shares 753,500 Est. Cost $45.81 Unrealized +26.8%
ASND ASCENDIS PHARMA A/S 1.2%
Value $49M Shares 417,500 Est. Cost $85.10 Unrealized
MIRATI THERAPEUTICS INC 1.2%
Value $46.02M Shares 559,734 Est. Cost $89.67 Unrealized
PEN PENUMBRA INC 1.1%
Value $45.43M Shares 204,500 Est. Cost $100.90 Unrealized +120.2%
EXAS EXACT SCIENCES CORP 1.0%
Value $39.85M Shares 570,000 Est. Cost $56.53 Unrealized +29.3%
SEAGEN INC 1.0%
Value $38.97M Shares 270,500 Est. Cost $173.02 Unrealized
SIERRA ONCOLOGY INC 0.9%
Value $37.65M Shares 1,174,786 Est. Cost $17.77 Unrealized
MIRM MIRUM PHARMACEUTICALS INC 0.9%
Value $36.69M Shares 1,666,208 Est. Cost $13.48 Unrealized +51.3%
EHC ENCOMPASS HEALTH CORP 0.9%
Value $35.73M Shares 502,500 Est. Cost $45.98 Unrealized +9.2%
WRBY WARBY PARKER INC 0.9%
Value $35.11M Shares 1,038,500 Est. Cost $47.15 Unrealized -31.4%
SRPT SAREPTA THERAPEUTICS INC 0.8%
Value $33.44M Shares 428,000 Est. Cost $60.98 Unrealized +25.6%
NVAX NOVAVAX INC 0.8%
Value $33.01M Shares 448,200 Est. Cost $42.93 Unrealized +107.7%
KYMR KYMERA THERAPEUTICS INC 0.8%
Value $31.99M Shares 755,875 Est. Cost $34.94 Unrealized +20.9%
ARVN ARVINAS INC 0.8%
Value $30.8M Shares 457,600 Est. Cost $32.84 Unrealized +107.6%
CNMD CONMED CORP 0.8%
Value $30.08M Shares 202,500 Est. Cost $114.93 Unrealized +17.2%
CYTOKINETICS INC 0.7%
Value $29.27M Shares 8,000,000 Est. Cost $1.32 Unrealized
WST WEST PHARMACEUTICAL SVSC INC 0.7%
Value $28.44M Shares 69,250 Est. Cost $277.01 Unrealized +39.9%
COVETRUS INC 0.7%
Value $28.12M Shares 1,675,000 Est. Cost $21.18 Unrealized
MDGL MADRIGAL PHARMACEUTICALS INC 0.7%
Value $26.84M Shares 273,500 Est. Cost $43.12 Unrealized +95.5%
INVITAE CORP 0.7%
Value $26.49M Shares 3,323,821 Est. Cost $20.96 Unrealized
ACCOLADE INC 0.7%
Value $26.43M Shares 1,505,000 Est. Cost $34.29 Unrealized
ABCAM PLC 0.7%
Value $26.21M Shares 1,432,900 Est. Cost $20.96 Unrealized
XENE XENON PHARMACEUTICALS INC 0.6%
Value $25.75M Shares 842,498 Est. Cost $19.26 Unrealized +55.5%
PHR PHREESIA INC 0.6%
Value $25.04M Shares 950,000 Est. Cost $31.19 Unrealized -1.7%
TVTX TRAVERE THERAPEUTICS INC 0.6%
Value $24.52M Shares 951,650 Est. Cost $24.60 Unrealized +7.9%
PRTA PROTHENA CORP PLC 0.6%
Value $24.27M Shares 663,530 Est. Cost $12.33 Unrealized +192.4%
HCAT HEALTH CATALYST INC 0.6%
Value $23.87M Shares 913,500 Est. Cost $35.02 Unrealized -19.0%
PROMETHEUS BIOSCIENCES INC 0.6%
Value $23.57M Shares 624,307 Est. Cost $18.88 Unrealized
AURA AURA BIOSCIENCES INC 0.6%
Value $22.18M Shares 1,008,114 Est. Cost $17.87 Unrealized +6.6%
BMRN BIOMARIN PHARMACEUTICAL INC 0.5%
Value $20.39M Shares 264,500 Est. Cost $85.70 Unrealized -2.4%
LFST LIFESTANCE HEALTH GROUP INC 0.5%
Value $20.22M Shares 2,000,000 Est. Cost $23.27 Unrealized -62.3%
CINCOR PHARMA INC 0.5%
Value $18.09M Shares 1,031,159 Est. Cost $17.54 Unrealized
RLAY RELAY THERAPEUTICS INC 0.5%
Value $18.01M Shares 601,667 Est. Cost $34.87 Unrealized -30.4%
LUNG PULMONX CORP 0.4%
Value $17.43M Shares 702,400 Est. Cost $48.60 Unrealized -46.9%
OLINK HLDG AB 0.4%
Value $17.41M Shares 986,000 Est. Cost $26.07 Unrealized
DYNAVAX TECHNOLOGIES CORP 0.4%
Value $17.25M Shares 1,590,894 Est. Cost $7.49 Unrealized
INTERSECT ENT INC 0.4%
Value $15.41M Shares 550,000 Est. Cost $22.46 Unrealized
MERSANA THERAPEUTICS INC 0.4%
Value $14.99M Shares 3,755,820 Est. Cost $13.76 Unrealized
LEGN LEGEND BIOTECH CORP 0.4%
Value $14.94M Shares 411,184 Est. Cost $39.86 Unrealized
COLL COLLEGIUM PHARMACEUTICAL INC 0.4%
Value $14.76M Shares 725,000 Est. Cost $15.97 Unrealized +18.3%
RIGEL PHARMACEUTICALS INC 0.4%
Value $14.71M Shares 4,921,487 Est. Cost $2.87 Unrealized
AMARIN CORP PLC 0.4%
Value $14.54M Shares 4,419,700 Est. Cost $4.90 Unrealized
NVCR NOVOCURE LTD 0.4%
Value $14.5M Shares 175,000 Est. Cost $37.58 Unrealized +96.0%
RYTM RHYTHM PHARMACEUTICALS INC 0.4%
Value $14.25M Shares 1,237,026 Est. Cost $16.38 Unrealized -46.4%
ANAB ANAPTYSBIO INC 0.4%
Value $13.94M Shares 563,300 Est. Cost $28.33 Unrealized +6.8%
GH GUARDANT HEALTH INC 0.3%
Value $13.25M Shares 200,000 Est. Cost $42.73 Unrealized +60.2%
AMLX AMYLYX PHARMACEUTICALS INC 0.3%
Value $12.83M Shares 998,307 Est. Cost $22.45 Unrealized 0.0%
VERVE THERAPEUTICS INC 0.3%
Value $11.5M Shares 504,037 Est. Cost $60.25 Unrealized
CHINOOK THERAPEUTICS INC 0.3%
Value $11.46M Shares 700,349 Est. Cost $15.86 Unrealized
AMRYT PHARMA PLC 0.3%
Value $10.8M Shares 1,305,825 Est. Cost $12.05 Unrealized
FULC FULCRUM THERAPEUTICS INC 0.3%
Value $10.28M Shares 434,590 Est. Cost $18.95 Unrealized -25.3%
ORION ACQUISITION CORP 0.2%
Value $9.82M Shares 1,000,000 Est. Cost $10.00 Unrealized
FOLD AMICUS THERAPEUTICS INC 0.2%
Value $9.588M Shares 1,012,506 Est. Cost $11.49 Unrealized -18.4%
AUPH AURINIA PHARMACEUTICALS INC 0.2%
Value $9.545M Shares 771,018 Est. Cost $14.88 Unrealized +3.9%
GRAPHITE BIO INC 0.2%
Value $9.133M Shares 1,790,754 Est. Cost $30.73 Unrealized
AKERO THERAPEUTICS INC 0.2%
Value $9.014M Shares 635,214 Est. Cost $23.62 Unrealized
GAMIDA CELL LTD 0.2%
Value $8.94M Shares 2,154,300 Est. Cost $4.94 Unrealized
SPRO SPERO THERAPEUTICS INC 0.2%
Value $8.621M Shares 990,913 Est. Cost $11.75 Unrealized -12.8%
XLO XILIO THERAPEUTICS INC 0.2%
Value $8.421M Shares 1,191,094 Est. Cost $17.03 Unrealized -33.7%
EPIZYME INC 0.2%
Value $8.358M Shares 7,267,696 Est. Cost $6.66 Unrealized
MGNX MACROGENICS INC 0.2%
Value $8.217M Shares 932,728 Est. Cost $21.42 Unrealized -48.5%
GOSSAMER BIO INC 0.2%
Value $7.692M Shares 9,573,000 Est. Cost $1.01 Unrealized
ATHIRA PHARMA INC 0.2%
Value $7.455M Shares 552,252 Est. Cost $18.46 Unrealized
FUSION PHARMACEUTICALS INC 0.2%
Value $7.369M Shares 948,327 Est. Cost $17.41 Unrealized
CMPX COMPASS THERAPEUTICS INC 0.2%
Value $7.299M Shares 5,328,088 Est. Cost $3.29 Unrealized -37.2%
CGEM CULLINAN ONCOLOGY INC 0.2%
Value $6.832M Shares 652,578 Est. Cost $40.33 Unrealized -66.5%
MREO MEREO BIOPHARMA GROUP PLC 0.2%
Value $6.804M Shares 6,074,943 Est. Cost $2.92 Unrealized
LEAP THERAPEUTICS INC 0.2%
Value $6.292M Shares 3,595,447 Est. Cost $3.96 Unrealized
EDAP EDAP TMS S A 0.1%
Value $5.945M Shares 820,000 Est. Cost $7.10 Unrealized
NKTX NKARTA INC 0.1%
Value $5.803M Shares 509,948 Est. Cost $29.49 Unrealized -63.7%
DSGN DESIGN THERAPEUTICS INC 0.1%
Value $5.581M Shares 345,597 Est. Cost $30.59 Unrealized -49.9%
ICOSAVAX INC 0.1%
Value $5.361M Shares 761,557 Est. Cost $28.82 Unrealized
BMEA BIOMEA FUSION INC 0.1%
Value $5.198M Shares 1,165,582 Est. Cost $17.65 Unrealized -63.3%
PARATEK PHARMACEUTICALS INC 0.1%
Value $5.128M Shares 1,726,637 Est. Cost $6.08 Unrealized
THESEUS PHARMACEUTICALS INC 0.1%
Value $5.042M Shares 437,329 Est. Cost $12.68 Unrealized
INOZYME PHARMA INC 0.1%
Value $4.88M Shares 1,193,195 Est. Cost $19.73 Unrealized
ADAPY ADAPTIMMUNE THERAPEUTICS PLC 0.1%
Value $4.732M Shares 2,297,194 Est. Cost $8.32 Unrealized
FATE FATE THERAPEUTICS INC 0.1%
Value $4.265M Shares 110,000 Est. Cost $89.50 Unrealized -56.7%
AEGLEA BIOTHERAPEUTICS INC 0.1%
Value $4.166M Shares 1,811,425 Est. Cost $7.09 Unrealized
CGEN COMPUGEN LTD 0.1%
Value $4.154M Shares 1,289,990 Est. Cost $6.12 Unrealized -44.9%
EQRX INC 0.1%
Value $4.13M Shares 1,000,000 Est. Cost $4.13 Unrealized
KINNATE BIOPHARMA INC 0.1%
Value $3.875M Shares 344,146 Est. Cost $38.73 Unrealized
PHASEBIO PHARMACEUTICALS INC 0.1%
Value $3.45M Shares 2,613,825 Est. Cost $4.53 Unrealized
TRAVERE THERAPEUTICS INC 0.1%
Value $3.396M Shares 3,250,000 Est. Cost $0.79 Unrealized
RENEO PHARMACEUTICALS INC 0.1%
Value $3.361M Shares 1,143,185 Est. Cost $9.31 Unrealized
VIGIL NEUROSCIENCE INC 0.1%
Value $3.318M Shares 471,958 Est. Cost $7.03 Unrealized
CLDX CELLDEX THERAPEUTICS INC NEW 0.1%
Value $3.315M Shares 97,317 Est. Cost $31.97 Unrealized 0.0%
SPRUCE BIOSCIENCES INC 0.1%
Value $3.262M Shares 1,622,689 Est. Cost $24.10 Unrealized
VINCERX PHARMA INC 0.1%
Value $3.257M Shares 814,194 Est. Cost $16.10 Unrealized
ESSA PHARMA INC 0.1%
Value $3.244M Shares 524,944 Est. Cost $28.44 Unrealized
BCLS ACQUISITION CORP 0.1%
Value $3.05M Shares 309,000 Est. Cost $11.14 Unrealized
TEMPEST THERAPEUTICS INC 0.1%
Value $2.784M Shares 823,654 Est. Cost $7.50 Unrealized
F-STAR THERAPEUTICS INC 0.1%
Value $2.669M Shares 751,889 Est. Cost $8.59 Unrealized
PRLD PRELUDE THERAPEUTICS INC 0.1%
Value $2.546M Shares 368,959 Est. Cost $29.85 Unrealized -69.4%
JIYA ACQUISITION CORP 0.1%
Value $2.027M Shares 206,200 Est. Cost $10.30 Unrealized
ACELRX PHARMACEUTICALS INC 0.0%
Value $1.807M Shares 6,329,202 Est. Cost $1.08 Unrealized
IMARA INC 0.0%
Value $1.584M Shares 842,402 Est. Cost $4.05 Unrealized
APPLIED THERAPEUTICS INC 0.0%
Value $1.481M Shares 701,680 Est. Cost $31.74 Unrealized
RADIUS HEALTH INC 0.0%
Value $1.478M Shares 1,500,000 Est. Cost $1.01 Unrealized
ATRECA INC 0.0%
Value $1.466M Shares 462,530 Est. Cost $13.90 Unrealized
THERAVANCE BIOPHARMA INC 0.0%
Value $1.42M Shares 1,500,000 Est. Cost $1.14 Unrealized
STTK SHATTUCK LABS INC 0.0%
Value $1.336M Shares 313,499 Est. Cost $32.14 Unrealized -82.4%
NEUROCRINE BIOSCIENCES INC 0.0%
Value $1.32M Shares 1,000,000 Est. Cost $1.45 Unrealized
POSEIDA THERAPEUTICS INC 0.0%
Value $1.298M Shares 289,754 Est. Cost $8.87 Unrealized
NEVRO CORP 0.0%
Value $541K Shares 500,000 Est. Cost $1.37 Unrealized
NUVATION BIO INC 0.0%
Value $108K Shares 134,028 Est. Cost $2.67 Unrealized