Rock Springs Capital Management LP Diversified Active

CIK: 0001595725 · Show all filings

Period: Q4 2023 (← Previous) (Next →)

Filing Date: Feb 14, 2024

Total Value ($000): $4,062,170 (99.8% shares, 0.2% debt)

Holdings (104)

BLUEPRINT MEDICINES CORP 6.5%
Value ($000) $265,796 Shares 2,881,567 Est. Cost $63.00 Unrealized
IMCR IMMUNOCORE HLDGS PLC 4.5%
Value ($000) $181,834 Shares 2,661,507 Est. Cost $42.88 Unrealized
KARUNA THERAPEUTICS INC 4.0%
Value ($000) $163,010 Shares 515,024 Est. Cost $98.88 Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 3.9%
Value ($000) $157,585 Shares 1,196,000 Est. Cost $78.19 Unrealized +47.2%
HUM HUMANA INC 3.5%
Value ($000) $141,921 Shares 310,000 Est. Cost $373.18 Unrealized +28.6%
PEN PENUMBRA INC 3.3%
Value ($000) $135,203 Shares 537,500 Est. Cost $179.03 Unrealized +23.5%
EVH EVOLENT HEALTH INC 3.2%
Value ($000) $130,799 Shares 3,960,000 Est. Cost $25.06 Unrealized +12.9%
UNH UNITEDHEALTH GROUP INC 3.0%
Value ($000) $121,088 Shares 230,000 Est. Cost $219.29 Unrealized +133.2%
CEREVEL THERAPEUTICS HLDNG I 2.8%
Value ($000) $113,388 Shares 2,674,245 Est. Cost $25.08 Unrealized
AGL AGILON HEALTH INC 2.7%
Value ($000) $108,307 Shares 8,630,000 Est. Cost $32.63 Unrealized -55.6%
ISRG INTUITIVE SURGICAL INC 2.5%
Value ($000) $100,702 Shares 298,500 Est. Cost $264.69 Unrealized +12.6%
IDXX IDEXX LABS INC 2.4%
Value ($000) $99,493 Shares 179,250 Est. Cost $335.38 Unrealized +40.0%
PODD INSULET CORP 2.3%
Value ($000) $93,681 Shares 431,750 Est. Cost $183.83 Unrealized -6.7%
ARGX ARGENX SE 2.1%
Value ($000) $87,214 Shares 229,250 Est. Cost $153.41 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 2.1%
Value ($000) $83,878 Shares 1,754,038 Est. Cost $59.90 Unrealized -35.3%
ACHC ACADIA HEALTHCARE COMPANY IN 2.1%
Value ($000) $83,475 Shares 1,073,500 Est. Cost $54.69 Unrealized +35.3%
EXAS EXACT SCIENCES CORP 1.9%
Value ($000) $75,423 Shares 1,019,500 Est. Cost $54.17 Unrealized +21.0%
DXCM DEXCOM INC 1.8%
Value ($000) $73,958 Shares 596,000 Est. Cost $97.36 Unrealized +4.9%
BSX BOSTON SCIENTIFIC CORP 1.8%
Value ($000) $71,251 Shares 1,232,500 Est. Cost $52.45 Unrealized +1.8%
RYTM RHYTHM PHARMACEUTICALS INC 1.7%
Value ($000) $70,007 Shares 1,522,893 Est. Cost $15.80 Unrealized +99.7%
ALGN ALIGN TECHNOLOGY INC 1.5%
Value ($000) $60,280 Shares 220,000 Est. Cost $312.87 Unrealized -24.2%
XENE XENON PHARMACEUTICALS INC 1.4%
Value ($000) $57,832 Shares 1,255,577 Est. Cost $23.42 Unrealized +50.9%
FRPT FRESHPET INC 1.4%
Value ($000) $57,479 Shares 662,500 Est. Cost $60.72 Unrealized +12.8%
MIRM MIRUM PHARMACEUTICALS INC 1.3%
Value ($000) $54,655 Shares 1,851,464 Est. Cost $14.67 Unrealized +106.4%
PHR PHREESIA INC 1.3%
Value ($000) $51,085 Shares 2,206,700 Est. Cost $26.10 Unrealized -33.9%
EW EDWARDS LIFESCIENCES CORP 1.2%
Value ($000) $49,357 Shares 647,300 Est. Cost $62.58 Unrealized +11.2%
MIRATI THERAPEUTICS INC 1.2%
Value ($000) $49,102 Shares 835,776 Est. Cost $69.12 Unrealized
WST WEST PHARMACEUTICAL SVSC INC 1.2%
Value ($000) $48,328 Shares 137,250 Est. Cost $294.97 Unrealized +19.3%
AGIO AGIOS PHARMACEUTICALS INC 1.2%
Value ($000) $47,929 Shares 2,152,173 Est. Cost $40.40 Unrealized -44.5%
MDGL MADRIGAL PHARMACEUTICALS INC 1.1%
Value ($000) $45,852 Shares 198,169 Est. Cost $51.77 Unrealized +238.0%
ALNY ALNYLAM PHARMACEUTICALS INC 1.1%
Value ($000) $44,981 Shares 235,000 Est. Cost $99.88 Unrealized +70.5%
OLINK HLDG AB 1.0%
Value ($000) $42,164 Shares 1,676,500 Est. Cost $22.11 Unrealized
ACCOLADE INC 1.0%
Value ($000) $41,855 Shares 3,485,000 Est. Cost $19.90 Unrealized
IMVT IMMUNOVANT INC 1.0%
Value ($000) $41,426 Shares 983,301 Est. Cost $27.50 Unrealized +33.8%
LLY ELI LILLY & CO 1.0%
Value ($000) $40,513 Shares 69,500 Est. Cost $575.10 Unrealized 0.0%
KYMR KYMERA THERAPEUTICS INC 1.0%
Value ($000) $38,756 Shares 1,522,238 Est. Cost $30.84 Unrealized -42.0%
CLDX CELLDEX THERAPEUTICS INC NEW 0.9%
Value ($000) $38,456 Shares 969,646 Est. Cost $29.84 Unrealized -1.4%
IRTC IRHYTHM TECHNOLOGIES INC 0.9%
Value ($000) $37,544 Shares 350,750 Est. Cost $69.45 Unrealized +25.5%
ASND ASCENDIS PHARMA A/S 0.9%
Value ($000) $36,526 Shares 290,000 Est. Cost $85.24 Unrealized
PCRX PACIRA BIOSCIENCES INC 0.9%
Value ($000) $35,613 Shares 1,055,500 Est. Cost $48.41 Unrealized -39.6%
LFST LIFESTANCE HEALTH GROUP INC 0.9%
Value ($000) $35,509 Shares 4,535,000 Est. Cost $14.07 Unrealized -54.2%
AZTA AZENTA INC 0.8%
Value ($000) $33,059 Shares 507,500 Est. Cost $60.88 Unrealized -10.9%
SRPT SAREPTA THERAPEUTICS INC 0.8%
Value ($000) $31,590 Shares 327,600 Est. Cost $62.74 Unrealized +52.9%
ZLAB ZAI LAB LTD 0.8%
Value ($000) $31,075 Shares 1,137,023 Est. Cost $56.75 Unrealized
LEGN LEGEND BIOTECH CORP 0.7%
Value ($000) $29,630 Shares 492,444 Est. Cost $41.58 Unrealized
WRBY WARBY PARKER INC 0.7%
Value ($000) $28,599 Shares 2,028,300 Est. Cost $29.94 Unrealized -58.4%
AKERO THERAPEUTICS INC 0.6%
Value ($000) $25,243 Shares 1,081,064 Est. Cost $30.42 Unrealized
TVTX TRAVERE THERAPEUTICS INC 0.6%
Value ($000) $24,915 Shares 2,771,446 Est. Cost $16.55 Unrealized -56.0%
MERUS N V 0.6%
Value ($000) $23,982 Shares 872,069 Est. Cost $25.24 Unrealized
DYNAVAX TECHNOLOGIES CORP 0.6%
Value ($000) $23,423 Shares 1,675,474 Est. Cost $7.97 Unrealized
SHOCKWAVE MED INC 0.6%
Value ($000) $22,867 Shares 120,000 Est. Cost $106.01 Unrealized
PRTA PROTHENA CORP PLC 0.6%
Value ($000) $22,714 Shares 625,048 Est. Cost $17.63 Unrealized +118.3%
IMMUNOGEN INC 0.6%
Value ($000) $22,515 Shares 759,365 Est. Cost $16.31 Unrealized
NEVRO CORP 0.5%
Value ($000) $22,058 Shares 1,025,000 Est. Cost $75.15 Unrealized
AMGN AMGEN INC 0.5%
Value ($000) $21,457 Shares 74,500 Est. Cost $233.89 Unrealized +9.1%
IRON DISC MEDICINE INC 0.5%
Value ($000) $20,994 Shares 363,468 Est. Cost $47.82 Unrealized +7.1%
RVMD REVOLUTION MEDICINES INC 0.5%
Value ($000) $20,797 Shares 725,152 Est. Cost $24.78 Unrealized -3.0%
INSP INSPIRE MED SYS INC 0.5%
Value ($000) $20,140 Shares 99,000 Est. Cost $202.55 Unrealized -20.0%
IMTX IMMATICS N.V 0.5%
Value ($000) $19,749 Shares 1,875,466 Est. Cost $9.14 Unrealized +0.7%
BCRX BIOCRYST PHARMACEUTICALS INC 0.5%
Value ($000) $19,590 Shares 3,270,381 Est. Cost $9.38 Unrealized -38.2%
MREO MEREO BIOPHARMA GROUP PLC 0.5%
Value ($000) $18,443 Shares 7,983,851 Est. Cost $2.57 Unrealized
COLL COLLEGIUM PHARMACEUTICAL INC 0.4%
Value ($000) $17,298 Shares 562,000 Est. Cost $15.97 Unrealized +56.8%
INOZYME PHARMA INC 0.4%
Value ($000) $15,682 Shares 3,681,174 Est. Cost $9.28 Unrealized
FOLD AMICUS THERAPEUTICS INC 0.4%
Value ($000) $15,095 Shares 1,063,806 Est. Cost $11.48 Unrealized -1.1%
BMRN BIOMARIN PHARMACEUTICAL INC 0.4%
Value ($000) $14,350 Shares 148,832 Est. Cost $85.70 Unrealized +3.2%
ICOSAVAX INC 0.3%
Value ($000) $13,686 Shares 868,409 Est. Cost $26.02 Unrealized
KRYS KRYSTAL BIOTECH INC 0.3%
Value ($000) $12,898 Shares 103,969 Est. Cost $113.89 Unrealized -2.6%
GPCR STRUCTURE THERAPEUTICS INC 0.3%
Value ($000) $11,685 Shares 286,676 Est. Cost $40.76 Unrealized
INHIBRX INC 0.3%
Value ($000) $11,453 Shares 301,400 Est. Cost Unrealized
MGNX MACROGENICS INC 0.3%
Value ($000) $11,340 Shares 1,178,796 Est. Cost $16.87 Unrealized -59.0%
MLYS MINERALYS THERAPEUTICS INC 0.2%
Value ($000) $10,040 Shares 1,167,492 Est. Cost $16.83 Unrealized -53.4%
ABOS ACUMEN PHARMACEUTICALS INC 0.2%
Value ($000) $8,832 Shares 2,300,059 Est. Cost $6.18 Unrealized -52.0%
CMPX COMPASS THERAPEUTICS INC 0.2%
Value ($000) $8,602 Shares 5,513,788 Est. Cost $3.31 Unrealized -47.7%
LUNG PULMONX CORP 0.2%
Value ($000) $8,318 Shares 652,400 Est. Cost $45.31 Unrealized -77.0%
AMLX AMYLYX PHARMACEUTICALS INC 0.2%
Value ($000) $7,875 Shares 535,012 Est. Cost $31.47 Unrealized -51.3%
SPRUCE BIOSCIENCES INC 0.2%
Value ($000) $7,645 Shares 2,609,125 Est. Cost $15.23 Unrealized
RLAY RELAY THERAPEUTICS INC 0.2%
Value ($000) $7,420 Shares 673,966 Est. Cost $33.24 Unrealized -74.6%
EDAP EDAP TMS S A 0.2%
Value ($000) $7,320 Shares 1,386,425 Est. Cost $7.62 Unrealized
MERSANA THERAPEUTICS INC 0.2%
Value ($000) $7,069 Shares 3,046,782 Est. Cost $13.04 Unrealized
PLRX PLIANT THERAPEUTICS INC 0.2%
Value ($000) $6,972 Shares 384,996 Est. Cost $28.47 Unrealized -46.6%
OSCR OSCAR HEALTH INC 0.2%
Value ($000) $6,725 Shares 735,000 Est. Cost $6.90 Unrealized 0.0%
FULC FULCRUM THERAPEUTICS INC 0.1%
Value ($000) $4,912 Shares 727,673 Est. Cost $14.24 Unrealized -68.8%
ESSA PHARMA INC 0.1%
Value ($000) $4,468 Shares 677,005 Est. Cost $22.67 Unrealized
SGMT SAGIMET BIOSCIENCES INC 0.1%
Value ($000) $4,002 Shares 738,355 Est. Cost $13.31 Unrealized -64.6%
AUPH AURINIA PHARMACEUTICALS INC 0.1%
Value ($000) $3,709 Shares 412,570 Est. Cost $13.26 Unrealized -37.9%
GOSSAMER BIO INC 0.1%
Value ($000) $3,488 Shares 9,573,000 Est. Cost $1.01 Unrealized
CYPH LEAP THERAPEUTICS INC 0.1%
Value ($000) $3,453 Shares 832,937 Est. Cost $5.02 Unrealized -56.9%
ACRS ACLARIS THERAPEUTICS INC 0.1%
Value ($000) $3,148 Shares 2,998,495 Est. Cost $10.84 Unrealized -71.9%
BEAM BEAM THERAPEUTICS INC 0.1%
Value ($000) $3,033 Shares 111,430 Est. Cost $39.75 Unrealized -37.5%
APPLIED THERAPEUTICS INC 0.1%
Value ($000) $2,999 Shares 895,195 Est. Cost $21.73 Unrealized
GOSS GOSSAMER BIO INC 0.1%
Value ($000) $2,981 Shares 3,266,960 Est. Cost $2.62 Unrealized -71.8%
TRAVERE THERAPEUTICS INC 0.1%
Value ($000) $2,768 Shares 3,250,000 Est. Cost $0.79 Unrealized
BMEA BIOMEA FUSION INC 0.1%
Value ($000) $2,630 Shares 181,147 Est. Cost $15.37 Unrealized -21.0%
NVAX NOVAVAX INC 0.1%
Value ($000) $2,581 Shares 537,625 Est. Cost $37.34 Unrealized -83.6%
CGEN COMPUGEN LTD 0.1%
Value ($000) $2,554 Shares 1,289,990 Est. Cost $6.12 Unrealized -85.7%
ADAPY ADAPTIMMUNE THERAPEUTICS PLC 0.0%
Value ($000) $1,923 Shares 2,425,468 Est. Cost $7.10 Unrealized
NEUROCRINE BIOSCIENCES INC 0.0%
Value ($000) $1,753 Shares 1,000,000 Est. Cost $1.45 Unrealized
VIGIL NEUROSCIENCE INC 0.0%
Value ($000) $1,595 Shares 471,958 Est. Cost $7.03 Unrealized
RENEO PHARMACEUTICALS INC 0.0%
Value ($000) $1,203 Shares 751,730 Est. Cost $9.31 Unrealized
VINCERX PHARMA INC 0.0%
Value ($000) $1,052 Shares 891,719 Est. Cost $12.19 Unrealized
XLO XILIO THERAPEUTICS INC 0.0%
Value ($000) $792 Shares 1,440,759 Est. Cost $14.70 Unrealized -90.4%
NEVRO CORP 0.0%
Value ($000) $482 Shares 500,000 Est. Cost $1.37 Unrealized
TLPH ACELRX PHARMACEUTICALS INC 0.0%
Value ($000) $233 Shares 316,460 Est. Cost $2.81 Unrealized -77.3%
NUVATION BIO INC 0.0%
Value ($000) $8 Shares 134,028 Est. Cost $2.67 Unrealized