Rock Springs Capital Management LP Diversified Active

CIK: 0001595725 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Nov 14, 2025

Total Value ($000): $1,711,524 (99.6% shares, 0.4% debt)

Holdings (93)

ARGX ARGENX SE 6.2%
Value ($000) $105,287 Shares 142,750 Est. Cost $160.49 Unrealized
LLY ELI LILLY & CO 4.7%
Value ($000) $80,420 Shares 105,400 Est. Cost $683.47 Unrealized +8.6%
RYTM RHYTHM PHARMACEUTICALS INC 4.2%
Value ($000) $72,420 Shares 717,102 Est. Cost $17.22 Unrealized +439.1%
MDGL MADRIGAL PHARMACEUTICALS INC 3.7%
Value ($000) $63,179 Shares 137,746 Est. Cost $118.06 Unrealized +216.0%
RVMD REVOLUTION MEDICINES INC 3.6%
Value ($000) $62,357 Shares 1,335,270 Est. Cost $31.87 Unrealized +22.8%
MERUS N V 3.3%
Value ($000) $56,212 Shares 597,051 Est. Cost $32.74 Unrealized
MIRM MIRUM PHARMACEUTICALS INC 3.3%
Value ($000) $55,798 Shares 761,126 Est. Cost $14.67 Unrealized +333.5%
INSM INSMED INC 3.2%
Value ($000) $55,444 Shares 385,000 Est. Cost $39.44 Unrealized +210.6%
TVTX TRAVERE THERAPEUTICS INC 3.0%
Value ($000) $51,738 Shares 2,164,773 Est. Cost $13.87 Unrealized +35.5%
ASND ASCENDIS PHARMA A/S 2.5%
Value ($000) $42,645 Shares 214,500 Est. Cost $92.14 Unrealized
IRTC IRHYTHM TECHNOLOGIES INC 2.4%
Value ($000) $40,418 Shares 235,000 Est. Cost $74.37 Unrealized +113.7%
AGIO AGIOS PHARMACEUTICALS INC 2.2%
Value ($000) $38,476 Shares 958,542 Est. Cost $33.80 Unrealized +11.3%
RARE ULTRAGENYX PHARMACEUTICAL IN 2.2%
Value ($000) $37,490 Shares 1,246,341 Est. Cost $58.22 Unrealized -48.5%
ISRG INTUITIVE SURGICAL INC 2.1%
Value ($000) $36,673 Shares 82,000 Est. Cost $264.69 Unrealized +81.3%
BSX BOSTON SCIENTIFIC CORP 2.1%
Value ($000) $35,171 Shares 360,250 Est. Cost $63.75 Unrealized +62.5%
XENE XENON PHARMACEUTICALS INC 2.0%
Value ($000) $34,198 Shares 851,744 Est. Cost $24.19 Unrealized +45.6%
ALNY ALNYLAM PHARMACEUTICALS INC 2.0%
Value ($000) $33,858 Shares 74,250 Est. Cost $107.54 Unrealized +278.7%
EXAS EXACT SCIENCES CORP 1.9%
Value ($000) $32,470 Shares 593,500 Est. Cost $53.67 Unrealized -6.9%
PEN PENUMBRA INC 1.8%
Value ($000) $30,525 Shares 120,500 Est. Cost $179.03 Unrealized +40.9%
AKERO THERAPEUTICS INC 1.7%
Value ($000) $29,747 Shares 626,526 Est. Cost $29.53 Unrealized
SRRK SCHOLAR ROCK HLDG CORP 1.7%
Value ($000) $29,574 Shares 794,133 Est. Cost $32.85 Unrealized +6.5%
ZLAB ZAI LAB LTD 1.6%
Value ($000) $26,814 Shares 791,193 Est. Cost $51.35 Unrealized
GPCR STRUCTURE THERAPEUTICS INC 1.6%
Value ($000) $26,632 Shares 951,154 Est. Cost $39.12 Unrealized
KYMR KYMERA THERAPEUTICS INC 1.5%
Value ($000) $25,491 Shares 450,374 Est. Cost $30.84 Unrealized +46.2%
THC TENET HEALTHCARE CORP 1.5%
Value ($000) $25,380 Shares 125,000 Est. Cost $148.69 Unrealized +19.3%
EVH EVOLENT HEALTH INC 1.5%
Value ($000) $24,957 Shares 2,950,000 Est. Cost $20.50 Unrealized -52.7%
CAI CARIS LIFE SCIENCES INC 1.4%
Value ($000) $24,008 Shares 793,651 Est. Cost $26.95 Unrealized +18.3%
CIDARA THERAPEUTICS INC 1.4%
Value ($000) $23,883 Shares 249,402 Est. Cost $70.46 Unrealized
DXCM DEXCOM INC 1.2%
Value ($000) $21,324 Shares 316,900 Est. Cost $93.46 Unrealized -15.3%
OMDA OMADA HEALTH INC 1.2%
Value ($000) $20,340 Shares 919,950 Est. Cost $17.31 Unrealized +18.3%
CLDX CELLDEX THERAPEUTICS INC NEW 1.1%
Value ($000) $18,666 Shares 721,538 Est. Cost $32.64 Unrealized -29.0%
VERA VERA THERAPEUTICS INC 1.0%
Value ($000) $17,942 Shares 617,396 Est. Cost $35.12 Unrealized -34.1%
PHR PHREESIA INC 1.0%
Value ($000) $17,619 Shares 749,116 Est. Cost $25.92 Unrealized +4.9%
TARS TARSUS PHARMACEUTICALS INC 1.0%
Value ($000) $17,136 Shares 288,344 Est. Cost $48.01 Unrealized +2.5%
NAMS NEWAMSTERDAM PHARMA COMPANY 1.0%
Value ($000) $16,948 Shares 595,929 Est. Cost $19.88 Unrealized +20.6%
CMPX COMPASS THERAPEUTICS INC 0.9%
Value ($000) $15,661 Shares 4,474,702 Est. Cost $3.23 Unrealized -2.1%
PHVS PHARVARIS N V 0.9%
Value ($000) $15,554 Shares 623,402 Est. Cost $26.42 Unrealized -16.1%
AZTA AZENTA INC 0.9%
Value ($000) $15,520 Shares 540,400 Est. Cost $57.72 Unrealized -46.3%
MLYS MINERALYS THERAPEUTICS INC 0.9%
Value ($000) $15,483 Shares 408,313 Est. Cost $13.61 Unrealized +59.0%
FOLD AMICUS THERAPEUTICS INC 0.9%
Value ($000) $15,345 Shares 1,947,374 Est. Cost $10.81 Unrealized -34.1%
XBI SPDR SERIES TRUST 0.9%
Value ($000) $15,205 Shares 151,750 Est. Cost $82.93 Unrealized
ACLX ARCELLX INC 0.9%
Value ($000) $14,694 Shares 178,982 Est. Cost $62.26 Unrealized +15.6%
SMMT SUMMIT THERAPEUTICS INC 0.9%
Value ($000) $14,669 Shares 710,000 Est. Cost $14.06 Unrealized +72.5%
COGT COGENT BIOSCIENCES INC 0.8%
Value ($000) $14,479 Shares 1,008,308 Est. Cost $6.84 Unrealized +73.1%
ELVN ENLIVEN THERAPEUTICS INC 0.8%
Value ($000) $14,045 Shares 686,107 Est. Cost $16.88 Unrealized +19.4%
ZBIO ZENAS BIOPHARMA INC 0.8%
Value ($000) $12,891 Shares 580,677 Est. Cost $17.98 Unrealized -9.5%
NBIX NEUROCRINE BIOSCIENCES INC 0.7%
Value ($000) $12,599 Shares 89,750 Est. Cost $78.79 Unrealized +72.0%
ARDX ARDELYX INC 0.7%
Value ($000) $12,597 Shares 2,286,273 Est. Cost $5.10 Unrealized +6.5%
DHR DANAHER CORPORATION 0.7%
Value ($000) $12,193 Shares 61,500 Est. Cost $216.22 Unrealized -8.3%
LENZ LENZ THERAPEUTICS INC 0.6%
Value ($000) $11,003 Shares 236,227 Est. Cost $33.19 Unrealized +10.8%
SLNO SOLENO THERAPEUTICS INC 0.6%
Value ($000) $10,446 Shares 154,528 Est. Cost $56.35 Unrealized +31.6%
DYN DYNE THERAPEUTICS INC 0.6%
Value ($000) $10,424 Shares 824,061 Est. Cost $18.20 Unrealized -37.3%
MREO MEREO BIOPHARMA GROUP PLC 0.6%
Value ($000) $9,416 Shares 4,570,649 Est. Cost $2.73 Unrealized
ACRS ACLARIS THERAPEUTICS INC 0.5%
Value ($000) $8,758 Shares 4,609,309 Est. Cost $6.19 Unrealized -71.9%
GOSS GOSSAMER BIO INC 0.5%
Value ($000) $8,592 Shares 3,266,960 Est. Cost $2.62 Unrealized -15.8%
HTFL HEARTFLOW INC 0.5%
Value ($000) $8,415 Shares 250,000 Est. Cost $32.24 Unrealized 0.0%
INSP INSPIRE MED SYS INC 0.5%
Value ($000) $8,199 Shares 110,500 Est. Cost $194.09 Unrealized -47.8%
AGL AGILON HEALTH INC 0.4%
Value ($000) $7,175 Shares 6,966,300 Est. Cost $29.66 Unrealized -94.9%
EW EDWARDS LIFESCIENCES CORP 0.4%
Value ($000) $6,844 Shares 88,000 Est. Cost $63.05 Unrealized +23.9%
AMLX AMYLYX PHARMACEUTICALS INC 0.4%
Value ($000) $6,792 Shares 499,764 Est. Cost $3.97 Unrealized +137.2%
GOSSAMER BIO INC 0.4%
Value ($000) $6,719 Shares 9,573,000 Est. Cost $1.01 Unrealized
REGN REGENERON PHARMACEUTICALS 0.4%
Value ($000) $6,354 Shares 11,300 Est. Cost $587.92 Unrealized -4.0%
BCAX BICARA THERAPEUTICS INC 0.3%
Value ($000) $5,853 Shares 370,666 Est. Cost $24.17 Unrealized -53.7%
JANX JANUX THERAPEUTICS INC 0.3%
Value ($000) $5,141 Shares 210,366 Est. Cost $52.16 Unrealized -53.3%
MBX MBX BIOSCIENCES INC 0.3%
Value ($000) $4,946 Shares 282,624 Est. Cost $13.37 Unrealized 0.0%
TMO THERMO FISHER SCIENTIFIC INC 0.3%
Value ($000) $4,850 Shares 10,000 Est. Cost $417.06 Unrealized +11.4%
BBIO BRIDGEBIO PHARMA INC 0.3%
Value ($000) $4,415 Shares 85,000 Est. Cost $48.77 Unrealized 0.0%
ATEC ALPHATEC HLDGS INC 0.3%
Value ($000) $4,398 Shares 302,500 Est. Cost $9.28 Unrealized +49.9%
ACHC ACADIA HEALTHCARE COMPANY IN 0.2%
Value ($000) $4,209 Shares 170,000 Est. Cost $53.71 Unrealized -58.5%
OCUL OCULAR THERAPEUTIX INC 0.2%
Value ($000) $3,507 Shares 300,000 Est. Cost $11.96 Unrealized 0.0%
TLPH TALPHERA INC 0.2%
Value ($000) $3,206 Shares 3,589,186 Est. Cost $0.78 Unrealized -25.3%
ALKS ALKERMES PLC 0.2%
Value ($000) $3,196 Shares 106,537 Est. Cost $28.20 Unrealized 0.0%
SION SIONNA THERAPEUTICS INC 0.2%
Value ($000) $2,924 Shares 99,429 Est. Cost $16.34 Unrealized +33.1%
EDAP EDAP TMS S A 0.2%
Value ($000) $2,908 Shares 1,270,000 Est. Cost $7.23 Unrealized
JSPR JASPER THERAPEUTICS INC 0.2%
Value ($000) $2,620 Shares 1,100,726 Est. Cost $9.61 Unrealized -68.4%
WST WEST PHARMACEUTICAL SVSC INC 0.1%
Value ($000) $2,558 Shares 9,750 Est. Cost $299.09 Unrealized -18.8%
APLS APELLIS PHARMACEUTICALS INC 0.1%
Value ($000) $2,082 Shares 92,000 Est. Cost $42.20 Unrealized -44.7%
NGNE NEUROGENE INC 0.1%
Value ($000) $1,808 Shares 104,339 Est. Cost $35.51 Unrealized -43.4%
KRRO KORRO BIO INC 0.1%
Value ($000) $1,711 Shares 35,719 Est. Cost $55.25 Unrealized -59.8%
CNTA CENTESSA PHARMACEUTICALS PLC 0.1%
Value ($000) $1,679 Shares 69,240 Est. Cost $24.25 Unrealized
CATX PERSPECTIVE THERAPEUTICS INC 0.1%
Value ($000) $1,524 Shares 444,383 Est. Cost $14.00 Unrealized -74.0%
APPLIED THERAPEUTICS INC 0.1%
Value ($000) $1,256 Shares 2,075,991 Est. Cost $12.37 Unrealized
MERSANA THERAPEUTICS INC 0.1%
Value ($000) $1,184 Shares 152,586 Est. Cost $7.76 Unrealized
IMVT IMMUNOVANT INC 0.1%
Value ($000) $1,176 Shares 72,965 Est. Cost $28.27 Unrealized -42.7%
NAMS NEWAMSTERDAM PHARMA COMPANY 0.1%
Value ($000) $899 Shares 31,600 Est. Cost $19.88 Unrealized +20.6%
EYPT EYEPOINT PHARMACEUTICALS INC 0.0%
Value ($000) $451 Shares 31,655 Est. Cost $11.51 Unrealized 0.0%
CRL CHARLES RIV LABS INTL INC 0.0%
Value ($000) $422 Shares 2,700 Est. Cost $133.35 Unrealized +19.1%
PCVX VAXCYTE INC 0.0%
Value ($000) $400 Shares 11,100 Est. Cost $32.78 Unrealized +1.1%
NVAX NOVAVAX INC 0.0%
Value ($000) $390 Shares 45,000 Est. Cost $31.79 Unrealized -75.5%
PRTA PROTHENA CORP PLC 0.0%
Value ($000) $248 Shares 25,398 Est. Cost $17.57 Unrealized -56.3%
MLTX MOONLAKE IMMUNOTHERAPEUTICS 0.0%
Value ($000) $202 Shares 28,200 Est. Cost $52.12 Unrealized 0.0%
NUVATION BIO INC 0.0%
Value ($000) $27 Shares 134,028 Est. Cost $2.67 Unrealized
CGEN COMPUGEN LTD 0.0%
Value ($000) $20 Shares 13,430 Est. Cost $6.12 Unrealized -75.7%