Rock Springs Capital Management LP Diversified Active

CIK: 0001595725 · Show all filings

Period: Q2 2023 (← Previous) (Next →)

Filing Date: Aug 14, 2023

Total Value ($000): $4,203,228 (99.8% shares, 0.2% debt)

Holdings (123)

HUM HUMANA INC 5.0%
Value ($000) $210,151 Shares 470,000 Est. Cost $373.18 Unrealized +30.8%
IMCR IMMUNOCORE HLDGS PLC 4.3%
Value ($000) $181,583 Shares 3,028,410 Est. Cost $42.88 Unrealized —
PODD INSULET CORP 3.8%
Value ($000) $161,182 Shares 559,000 Est. Cost $185.50 Unrealized +63.7%
AGL AGILON HEALTH INC 3.4%
Value ($000) $143,619 Shares 8,282,500 Est. Cost $33.37 Unrealized -32.6%
— BLUEPRINT MEDICINES CORP 3.3%
Value ($000) $138,198 Shares 2,186,672 Est. Cost $63.29 Unrealized —
ARGX ARGENX SE 3.2%
Value ($000) $136,406 Shares 350,000 Est. Cost $153.41 Unrealized —
PEN PENUMBRA INC 3.0%
Value ($000) $125,926 Shares 366,000 Est. Cost $138.03 Unrealized +122.5%
NBIX NEUROCRINE BIOSCIENCES INC 2.9%
Value ($000) $120,657 Shares 1,279,500 Est. Cost $78.19 Unrealized +25.0%
EVH EVOLENT HEALTH INC 2.7%
Value ($000) $115,246 Shares 3,803,500 Est. Cost $24.94 Unrealized +29.7%
UNH UNITEDHEALTH GROUP INC 2.6%
Value ($000) $110,547 Shares 230,000 Est. Cost $219.29 Unrealized +112.0%
— KARUNA THERAPEUTICS INC 2.5%
Value ($000) $107,021 Shares 493,527 Est. Cost $92.95 Unrealized —
ISRG INTUITIVE SURGICAL INC 2.4%
Value ($000) $102,069 Shares 298,500 Est. Cost $264.69 Unrealized +14.3%
IDXX IDEXX LABS INC 2.3%
Value ($000) $97,684 Shares 194,500 Est. Cost $335.38 Unrealized +42.9%
EXAS EXACT SCIENCES CORP 2.1%
Value ($000) $88,595 Shares 943,500 Est. Cost $51.74 Unrealized +50.8%
— CEREVEL THERAPEUTICS HLDNG I 1.9%
Value ($000) $79,917 Shares 2,513,916 Est. Cost $24.09 Unrealized —
WST WEST PHARMACEUTICAL SVSC INC 1.8%
Value ($000) $77,259 Shares 202,000 Est. Cost $294.97 Unrealized +20.3%
— SEAGEN INC 1.8%
Value ($000) $77,022 Shares 400,200 Est. Cost $158.76 Unrealized —
ALGN ALIGN TECHNOLOGY INC 1.8%
Value ($000) $76,740 Shares 217,000 Est. Cost $313.91 Unrealized +1.4%
AGIO AGIOS PHARMACEUTICALS INC 1.8%
Value ($000) $76,072 Shares 2,686,167 Est. Cost $40.40 Unrealized -38.4%
— AKERO THERAPEUTICS INC 1.7%
Value ($000) $72,405 Shares 1,550,754 Est. Cost $30.42 Unrealized —
ACHC ACADIA HEALTHCARE COMPANY IN 1.7%
Value ($000) $72,313 Shares 908,000 Est. Cost $51.17 Unrealized +41.2%
ALNY ALNYLAM PHARMACEUTICALS INC 1.6%
Value ($000) $65,529 Shares 345,000 Est. Cost $99.88 Unrealized +98.5%
RARE ULTRAGENYX PHARMACEUTICAL IN 1.5%
Value ($000) $63,856 Shares 1,384,269 Est. Cost $65.48 Unrealized -29.2%
DXCM DEXCOM INC 1.5%
Value ($000) $63,034 Shares 490,500 Est. Cost $94.31 Unrealized +28.2%
EW EDWARDS LIFESCIENCES CORP 1.4%
Value ($000) $60,928 Shares 645,900 Est. Cost $62.58 Unrealized +38.9%
— ABCAM PLC 1.4%
Value ($000) $58,850 Shares 2,405,000 Est. Cost $19.14 Unrealized —
PRTA PROTHENA CORP PLC 1.2%
Value ($000) $51,446 Shares 753,462 Est. Cost $17.26 Unrealized +273.6%
— HORIZON THERAPEUTICS PUB L 1.2%
Value ($000) $50,911 Shares 495,000 Est. Cost $83.28 Unrealized —
SRPT SAREPTA THERAPEUTICS INC 1.2%
Value ($000) $48,671 Shares 425,000 Est. Cost $62.74 Unrealized +105.3%
MIRM MIRUM PHARMACEUTICALS INC 1.1%
Value ($000) $47,102 Shares 1,820,733 Est. Cost $14.40 Unrealized +84.7%
MDGL MADRIGAL PHARMACEUTICALS INC 1.1%
Value ($000) $46,019 Shares 199,218 Est. Cost $51.77 Unrealized +423.1%
XENE XENON PHARMACEUTICALS INC 1.1%
Value ($000) $45,353 Shares 1,178,002 Est. Cost $22.63 Unrealized +75.6%
FRPT FRESHPET INC 1.0%
Value ($000) $43,599 Shares 662,500 Est. Cost $60.72 Unrealized +7.9%
PCRX PACIRA BIOSCIENCES INC 1.0%
Value ($000) $41,472 Shares 1,035,000 Est. Cost $48.65 Unrealized -15.0%
ACRS ACLARIS THERAPEUTICS INC 1.0%
Value ($000) $41,084 Shares 3,961,849 Est. Cost $10.84 Unrealized -16.5%
— MIRATI THERAPEUTICS INC 1.0%
Value ($000) $40,525 Shares 1,121,647 Est. Cost $69.12 Unrealized —
PHR PHREESIA INC 1.0%
Value ($000) $40,468 Shares 1,305,000 Est. Cost $28.73 Unrealized +9.0%
— ACCOLADE INC 0.9%
Value ($000) $37,985 Shares 2,820,000 Est. Cost $21.81 Unrealized —
ASND ASCENDIS PHARMA A/S 0.9%
Value ($000) $37,976 Shares 425,500 Est. Cost $85.24 Unrealized —
KYMR KYMERA THERAPEUTICS INC 0.8%
Value ($000) $34,199 Shares 1,487,551 Est. Cost $31.12 Unrealized -7.9%
ZLAB ZAI LAB LTD 0.8%
Value ($000) $33,898 Shares 1,222,423 Est. Cost $57.13 Unrealized —
AMLX AMYLYX PHARMACEUTICALS INC 0.8%
Value ($000) $33,317 Shares 1,544,616 Est. Cost $31.47 Unrealized -14.2%
— SHOCKWAVE MED INC 0.8%
Value ($000) $32,851 Shares 115,100 Est. Cost $79.81 Unrealized —
IRTC IRHYTHM TECHNOLOGIES INC 0.8%
Value ($000) $32,282 Shares 309,450 Est. Cost $65.15 Unrealized +84.3%
LEGN LEGEND BIOTECH CORP 0.8%
Value ($000) $31,634 Shares 458,265 Est. Cost $40.20 Unrealized —
— OLINK HLDG AB 0.7%
Value ($000) $31,013 Shares 1,654,000 Est. Cost $22.21 Unrealized —
— NEVRO CORP 0.7%
Value ($000) $30,794 Shares 1,211,400 Est. Cost $75.15 Unrealized —
IMTX IMMATICS N.V 0.7%
Value ($000) $29,267 Shares 2,536,144 Est. Cost $9.14 Unrealized +2.1%
CNMD CONMED CORP 0.7%
Value ($000) $27,857 Shares 205,000 Est. Cost $114.00 Unrealized +4.3%
XLV SELECT SECTOR SPDR TR 0.6%
Value ($000) $26,546 Shares 200,000 Est. Cost $128.24 Unrealized —
LFST LIFESTANCE HEALTH GROUP INC 0.6%
Value ($000) $26,477 Shares 2,900,000 Est. Cost $17.93 Unrealized -53.6%
RYTM RHYTHM PHARMACEUTICALS INC 0.6%
Value ($000) $26,337 Shares 1,597,123 Est. Cost $15.80 Unrealized +14.3%
TVTX TRAVERE THERAPEUTICS INC 0.6%
Value ($000) $23,466 Shares 1,527,720 Est. Cost $22.84 Unrealized -20.4%
— DYNAVAX TECHNOLOGIES CORP 0.6%
Value ($000) $23,434 Shares 1,813,758 Est. Cost $7.97 Unrealized —
BMRN BIOMARIN PHARMACEUTICAL INC 0.5%
Value ($000) $22,927 Shares 264,500 Est. Cost $85.70 Unrealized +9.8%
AZTA AZENTA INC 0.5%
Value ($000) $21,935 Shares 469,900 Est. Cost $61.47 Unrealized -28.8%
MLYS MINERALYS THERAPEUTICS INC 0.5%
Value ($000) $19,906 Shares 1,167,492 Est. Cost $16.83 Unrealized -11.2%
— INOZYME PHARMA INC 0.5%
Value ($000) $19,094 Shares 3,428,084 Est. Cost $9.66 Unrealized —
RVMD REVOLUTION MEDICINES INC 0.4%
Value ($000) $18,798 Shares 702,712 Est. Cost $24.62 Unrealized -0.4%
BMEA BIOMEA FUSION INC 0.4%
Value ($000) $18,370 Shares 836,898 Est. Cost $15.37 Unrealized +103.6%
BCRX BIOCRYST PHARMACEUTICALS INC 0.4%
Value ($000) $17,580 Shares 2,497,193 Est. Cost $10.45 Unrealized -23.2%
CMPX COMPASS THERAPEUTICS INC 0.4%
Value ($000) $17,534 Shares 5,513,788 Est. Cost $3.31 Unrealized -5.1%
IRON DISC MEDICINE INC 0.4%
Value ($000) $16,138 Shares 363,468 Est. Cost $47.82 Unrealized -25.8%
WRBY WARBY PARKER INC 0.4%
Value ($000) $15,489 Shares 1,325,000 Est. Cost $39.11 Unrealized -70.9%
— CHINOOK THERAPEUTICS INC 0.4%
Value ($000) $15,225 Shares 396,280 Est. Cost $15.86 Unrealized —
CYTK CYTOKINETICS INC 0.3%
Value ($000) $14,601 Shares 447,600 Est. Cost $41.02 Unrealized -9.8%
BSX BOSTON SCIENTIFIC CORP 0.3%
Value ($000) $14,469 Shares 267,500 Est. Cost $52.23 Unrealized 0.0%
CLDX CELLDEX THERAPEUTICS INC NEW 0.3%
Value ($000) $14,305 Shares 421,615 Est. Cost $30.05 Unrealized +12.2%
COLL COLLEGIUM PHARMACEUTICAL INC 0.3%
Value ($000) $13,969 Shares 650,000 Est. Cost $15.97 Unrealized +42.2%
FOLD AMICUS THERAPEUTICS INC 0.3%
Value ($000) $13,361 Shares 1,063,806 Est. Cost $11.48 Unrealized +3.4%
— MERUS N V 0.3%
Value ($000) $12,600 Shares 478,531 Est. Cost $26.33 Unrealized —
AURA AURA BIOSCIENCES INC 0.3%
Value ($000) $12,594 Shares 1,019,757 Est. Cost $17.87 Unrealized -40.2%
HCAT HEALTH CATALYST INC 0.3%
Value ($000) $11,624 Shares 929,900 Est. Cost $33.08 Unrealized -64.0%
— MERSANA THERAPEUTICS INC 0.3%
Value ($000) $11,196 Shares 3,403,133 Est. Cost $13.04 Unrealized —
EDAP EDAP TMS S A 0.3%
Value ($000) $10,938 Shares 1,186,300 Est. Cost $7.76 Unrealized —
BHVN BIOHAVEN LTD 0.2%
Value ($000) $9,607 Shares 401,624 Est. Cost $12.49 Unrealized +37.8%
MREO MEREO BIOPHARMA GROUP PLC 0.2%
Value ($000) $9,296 Shares 7,042,391 Est. Cost $2.70 Unrealized —
PLRX PLIANT THERAPEUTICS INC 0.2%
Value ($000) $8,901 Shares 491,221 Est. Cost $28.47 Unrealized -16.9%
— ICOSAVAX INC 0.2%
Value ($000) $8,623 Shares 868,409 Est. Cost $26.02 Unrealized —
LUNG PULMONX CORP 0.2%
Value ($000) $8,553 Shares 652,400 Est. Cost $45.31 Unrealized -73.0%
RLAY RELAY THERAPEUTICS INC 0.2%
Value ($000) $8,465 Shares 673,966 Est. Cost $33.24 Unrealized -62.6%
— RENEO PHARMACEUTICALS INC 0.2%
Value ($000) $7,499 Shares 1,143,185 Est. Cost $9.31 Unrealized —
GH GUARDANT HEALTH INC 0.2%
Value ($000) $7,160 Shares 200,000 Est. Cost $42.73 Unrealized -32.8%
ANAB ANAPTYSBIO INC 0.2%
Value ($000) $6,949 Shares 341,637 Est. Cost $28.23 Unrealized -28.2%
MGNX MACROGENICS INC 0.1%
Value ($000) $6,009 Shares 1,123,096 Est. Cost $17.45 Unrealized -64.7%
— SPRUCE BIOSCIENCES INC 0.1%
Value ($000) $5,865 Shares 2,728,125 Est. Cost $15.23 Unrealized —
NVCR NOVOCURE LTD 0.1%
Value ($000) $5,188 Shares 125,000 Est. Cost $37.58 Unrealized +65.2%
AUPH AURINIA PHARMACEUTICALS INC 0.1%
Value ($000) $4,642 Shares 479,540 Est. Cost $13.26 Unrealized -21.7%
— VIGIL NEUROSCIENCE INC 0.1%
Value ($000) $4,436 Shares 471,958 Est. Cost $7.03 Unrealized —
KRYS KRYSTAL BIOTECH INC 0.1%
Value ($000) $4,097 Shares 34,901 Est. Cost $102.10 Unrealized 0.0%
— THESEUS PHARMACEUTICALS INC 0.1%
Value ($000) $4,080 Shares 437,329 Est. Cost $12.68 Unrealized —
NVAX NOVAVAX INC 0.1%
Value ($000) $3,988 Shares 536,700 Est. Cost $43.41 Unrealized -81.9%
— PARATEK PHARMACEUTICALS INC 0.1%
Value ($000) $3,832 Shares 1,734,037 Est. Cost $6.08 Unrealized —
XLO XILIO THERAPEUTICS INC 0.1%
Value ($000) $3,775 Shares 1,440,759 Est. Cost $14.70 Unrealized -79.3%
BEAM BEAM THERAPEUTICS INC 0.1%
Value ($000) $3,558 Shares 111,430 Est. Cost $39.75 Unrealized -18.4%
CYPH LEAP THERAPEUTICS INC 0.1%
Value ($000) $3,363 Shares 1,074,517 Est. Cost $5.02 Unrealized 0.0%
— ACELYRIN INC 0.1%
Value ($000) $2,965 Shares 141,876 Est. Cost $20.90 Unrealized —
FATE FATE THERAPEUTICS INC 0.1%
Value ($000) $2,914 Shares 612,215 Est. Cost $21.03 Unrealized -73.8%
DSGN DESIGN THERAPEUTICS INC 0.1%
Value ($000) $2,900 Shares 460,391 Est. Cost $26.33 Unrealized -76.8%
— GOSSAMER BIO INC 0.1%
Value ($000) $2,889 Shares 9,573,000 Est. Cost $1.01 Unrealized —
— TRAVERE THERAPEUTICS INC 0.1%
Value ($000) $2,857 Shares 3,250,000 Est. Cost $0.79 Unrealized —
BDTX BLACK DIAMOND THERAPEUTICS I 0.1%
Value ($000) $2,844 Shares 563,233 Est. Cost $2.04 Unrealized 0.0%
ADAPY ADAPTIMMUNE THERAPEUTICS PLC 0.1%
Value ($000) $2,579 Shares 2,787,845 Est. Cost $7.10 Unrealized —
FULC FULCRUM THERAPEUTICS INC 0.1%
Value ($000) $2,401 Shares 727,673 Est. Cost $14.24 Unrealized -79.4%
— KINNATE BIOPHARMA INC 0.1%
Value ($000) $2,263 Shares 746,973 Est. Cost $24.53 Unrealized —
— IMMUNOGEN INC 0.1%
Value ($000) $2,125 Shares 112,620 Est. Cost $18.87 Unrealized —
— INVITAE CORP 0.0%
Value ($000) $1,865 Shares 1,650,495 Est. Cost $19.23 Unrealized —
— ESSA PHARMA INC 0.0%
Value ($000) $1,791 Shares 663,317 Est. Cost $23.07 Unrealized —
— AEGLEA BIOTHERAPEUTICS INC 0.0%
Value ($000) $1,538 Shares 3,413,906 Est. Cost $4.00 Unrealized —
CGEN COMPUGEN LTD 0.0%
Value ($000) $1,471 Shares 1,289,990 Est. Cost $6.12 Unrealized -85.8%
— GAMIDA CELL LTD 0.0%
Value ($000) $1,380 Shares 715,023 Est. Cost $3.36 Unrealized —
GOSS GOSSAMER BIO INC 0.0%
Value ($000) $1,320 Shares 1,100,274 Est. Cost $5.50 Unrealized -77.4%
— NEUROCRINE BIOSCIENCES INC 0.0%
Value ($000) $1,276 Shares 1,000,000 Est. Cost $1.45 Unrealized —
— VINCERX PHARMA INC 0.0%
Value ($000) $1,159 Shares 891,719 Est. Cost $12.19 Unrealized —
— APPLIED THERAPEUTICS INC 0.0%
Value ($000) $999 Shares 780,791 Est. Cost $24.45 Unrealized —
SPRO SPERO THERAPEUTICS INC 0.0%
Value ($000) $971 Shares 669,533 Est. Cost $11.75 Unrealized -85.4%
ALT ALTIMMUNE INC 0.0%
Value ($000) $788 Shares 223,255 Est. Cost $14.76 Unrealized -69.6%
NKTX NKARTA INC 0.0%
Value ($000) $726 Shares 331,571 Est. Cost $26.66 Unrealized -83.5%
— TEMPEST THERAPEUTICS INC 0.0%
Value ($000) $681 Shares 536,214 Est. Cost $7.50 Unrealized —
— NEVRO CORP 0.0%
Value ($000) $462 Shares 500,000 Est. Cost $1.37 Unrealized —
— ATRECA INC 0.0%
Value ($000) $355 Shares 362,530 Est. Cost $13.90 Unrealized —
TLPH ACELRX PHARMACEUTICALS INC 0.0%
Value ($000) $351 Shares 316,460 Est. Cost $2.81 Unrealized -68.9%
— NUVATION BIO INC 0.0%
Value ($000) $22 Shares 134,028 Est. Cost $2.67 Unrealized —