Rock Springs Capital Management LP Diversified Active

CIK: 0001595725 · Show all filings

Period: Q1 2025 (← Previous) (Next →)

Filing Date: May 15, 2025

Total Value ($000): $1,747,790 (99.7% shares, 0.3% debt)

Holdings (96)

ARGX ARGENX SE 6.0%
Value ($000) $104,020 Shares 175,750 Est. Cost $160.49 Unrealized
LLY ELI LILLY & CO 5.4%
Value ($000) $93,741 Shares 113,500 Est. Cost $681.09 Unrealized +21.4%
BLUEPRINT MEDICINES CORP 5.1%
Value ($000) $89,180 Shares 1,007,569 Est. Cost $70.25 Unrealized
MDGL MADRIGAL PHARMACEUTICALS INC 3.2%
Value ($000) $55,215 Shares 166,698 Est. Cost $118.06 Unrealized +178.3%
UNH UNITEDHEALTH GROUP INC 3.0%
Value ($000) $52,637 Shares 100,500 Est. Cost $279.63 Unrealized +78.6%
TVTX TRAVERE THERAPEUTICS INC 3.0%
Value ($000) $52,348 Shares 2,921,196 Est. Cost $13.21 Unrealized +53.6%
ISRG INTUITIVE SURGICAL INC 2.9%
Value ($000) $50,518 Shares 102,000 Est. Cost $264.69 Unrealized +108.9%
RARE ULTRAGENYX PHARMACEUTICAL IN 2.9%
Value ($000) $50,492 Shares 1,394,434 Est. Cost $58.22 Unrealized -28.5%
PEN PENUMBRA INC 2.6%
Value ($000) $45,727 Shares 171,000 Est. Cost $179.03 Unrealized +51.1%
RVMD REVOLUTION MEDICINES INC 2.6%
Value ($000) $45,319 Shares 1,281,640 Est. Cost $31.62 Unrealized +28.4%
RYTM RHYTHM PHARMACEUTICALS INC 2.5%
Value ($000) $44,187 Shares 834,188 Est. Cost $15.80 Unrealized +251.2%
MIRM MIRUM PHARMACEUTICALS INC 2.5%
Value ($000) $42,877 Shares 951,765 Est. Cost $14.67 Unrealized +221.4%
MERUS N V 2.4%
Value ($000) $41,280 Shares 980,751 Est. Cost $31.07 Unrealized
INSM INSMED INC 2.3%
Value ($000) $39,358 Shares 515,900 Est. Cost $38.78 Unrealized +97.2%
ALNY ALNYLAM PHARMACEUTICALS INC 2.2%
Value ($000) $38,680 Shares 143,250 Est. Cost $107.54 Unrealized +139.0%
ASND ASCENDIS PHARMA A/S 1.9%
Value ($000) $33,666 Shares 216,000 Est. Cost $92.14 Unrealized
ZLAB ZAI LAB LTD 1.9%
Value ($000) $32,692 Shares 904,592 Est. Cost $51.35 Unrealized
XENE XENON PHARMACEUTICALS INC 1.8%
Value ($000) $31,258 Shares 931,681 Est. Cost $24.19 Unrealized +56.9%
NBIX NEUROCRINE BIOSCIENCES INC 1.8%
Value ($000) $30,857 Shares 279,000 Est. Cost $78.19 Unrealized +62.0%
NUVL NUVALENT INC 1.7%
Value ($000) $30,321 Shares 427,532 Est. Cost $78.38 Unrealized -0.2%
AGL AGILON HEALTH INC 1.7%
Value ($000) $30,094 Shares 6,950,000 Est. Cost $31.45 Unrealized -88.9%
PHR PHREESIA INC 1.7%
Value ($000) $29,351 Shares 1,148,336 Est. Cost $25.92 Unrealized +4.9%
BSX BOSTON SCIENTIFIC CORP 1.6%
Value ($000) $27,944 Shares 277,000 Est. Cost $52.45 Unrealized +92.0%
AKERO THERAPEUTICS INC 1.6%
Value ($000) $27,233 Shares 672,759 Est. Cost $29.53 Unrealized
DXCM DEXCOM INC 1.6%
Value ($000) $27,156 Shares 397,650 Est. Cost $94.97 Unrealized -14.1%
IRTC IRHYTHM TECHNOLOGIES INC 1.5%
Value ($000) $26,620 Shares 254,300 Est. Cost $74.37 Unrealized +42.4%
EVH EVOLENT HEALTH INC 1.5%
Value ($000) $25,528 Shares 2,695,700 Est. Cost $21.54 Unrealized -53.1%
SRRK SCHOLAR ROCK HLDG CORP 1.4%
Value ($000) $24,484 Shares 761,541 Est. Cost $32.91 Unrealized +16.9%
KYMR KYMERA THERAPEUTICS INC 1.2%
Value ($000) $21,744 Shares 794,437 Est. Cost $30.84 Unrealized +18.2%
EXAS EXACT SCIENCES CORP 1.2%
Value ($000) $20,779 Shares 480,000 Est. Cost $54.39 Unrealized -6.9%
ACHC ACADIA HEALTHCARE COMPANY IN 1.2%
Value ($000) $20,651 Shares 681,100 Est. Cost $54.36 Unrealized -29.9%
GPCR STRUCTURE THERAPEUTICS INC 1.1%
Value ($000) $19,612 Shares 1,132,979 Est. Cost $39.12 Unrealized
SMMT SUMMIT THERAPEUTICS INC 1.1%
Value ($000) $19,194 Shares 995,000 Est. Cost $14.06 Unrealized +42.7%
EW EDWARDS LIFESCIENCES CORP 1.1%
Value ($000) $18,482 Shares 255,000 Est. Cost $63.05 Unrealized +13.5%
TARS TARSUS PHARMACEUTICALS INC 1.0%
Value ($000) $18,204 Shares 354,376 Est. Cost $48.18 Unrealized +2.6%
THC TENET HEALTHCARE CORP 1.0%
Value ($000) $17,485 Shares 130,000 Est. Cost $148.69 Unrealized -11.4%
LEGN LEGEND BIOTECH CORP 1.0%
Value ($000) $17,404 Shares 512,932 Est. Cost $41.82 Unrealized
IMVT IMMUNOVANT INC 1.0%
Value ($000) $16,676 Shares 975,803 Est. Cost $28.27 Unrealized -26.0%
AZTA AZENTA INC 0.9%
Value ($000) $16,454 Shares 475,000 Est. Cost $61.73 Unrealized -25.4%
INSP INSPIRE MED SYS INC 0.9%
Value ($000) $15,809 Shares 99,250 Est. Cost $200.97 Unrealized -10.0%
FOLD AMICUS THERAPEUTICS INC 0.9%
Value ($000) $15,580 Shares 1,909,362 Est. Cost $10.92 Unrealized -15.3%
WRBY WARBY PARKER INC 0.9%
Value ($000) $15,222 Shares 835,000 Est. Cost $29.52 Unrealized -19.2%
MREO MEREO BIOPHARMA GROUP PLC 0.9%
Value ($000) $15,040 Shares 6,684,247 Est. Cost $2.75 Unrealized
CLDX CELLDEX THERAPEUTICS INC NEW 0.8%
Value ($000) $14,750 Shares 812,653 Est. Cost $32.64 Unrealized -31.5%
OSCR OSCAR HEALTH INC 0.8%
Value ($000) $13,766 Shares 1,050,000 Est. Cost $11.50 Unrealized +29.0%
WST WEST PHARMACEUTICAL SVSC INC 0.8%
Value ($000) $13,489 Shares 60,250 Est. Cost $299.09 Unrealized -8.1%
VERA VERA THERAPEUTICS INC 0.7%
Value ($000) $12,510 Shares 520,796 Est. Cost $37.46 Unrealized -14.2%
DHR DANAHER CORPORATION 0.7%
Value ($000) $12,054 Shares 58,800 Est. Cost $216.97 Unrealized 0.0%
NAMS NEWAMSTERDAM PHARMA COMPANY 0.6%
Value ($000) $10,974 Shares 536,111 Est. Cost $19.43 Unrealized +14.4%
SRPT SAREPTA THERAPEUTICS INC 0.6%
Value ($000) $10,167 Shares 159,300 Est. Cost $68.51 Unrealized +53.7%
AGIO AGIOS PHARMACEUTICALS INC 0.6%
Value ($000) $10,026 Shares 342,180 Est. Cost $40.40 Unrealized -17.9%
PHVS PHARVARIS N V 0.6%
Value ($000) $9,787 Shares 623,402 Est. Cost $26.42 Unrealized -36.2%
CMPX COMPASS THERAPEUTICS INC 0.5%
Value ($000) $9,430 Shares 4,962,955 Est. Cost $3.23 Unrealized -17.6%
ELVN ENLIVEN THERAPEUTICS INC 0.5%
Value ($000) $9,168 Shares 465,871 Est. Cost $15.84 Unrealized +35.9%
SLNO SOLENO THERAPEUTICS INC 0.5%
Value ($000) $8,867 Shares 124,095 Est. Cost $51.81 Unrealized -6.0%
ARDX ARDELYX INC 0.5%
Value ($000) $7,880 Shares 1,604,975 Est. Cost $5.51 Unrealized -2.6%
ACRS ACLARIS THERAPEUTICS INC 0.4%
Value ($000) $7,721 Shares 5,046,309 Est. Cost $6.19 Unrealized -65.6%
ZBIO ZENAS BIOPHARMA INC 0.4%
Value ($000) $6,941 Shares 878,667 Est. Cost $17.98 Unrealized -56.5%
89BIO INC 0.4%
Value ($000) $6,139 Shares 844,441 Est. Cost $7.63 Unrealized
PRTA PROTHENA CORP PLC 0.3%
Value ($000) $6,096 Shares 492,601 Est. Cost $17.57 Unrealized -19.5%
JANX JANUX THERAPEUTICS INC 0.3%
Value ($000) $5,521 Shares 204,466 Est. Cost $52.89 Unrealized -28.7%
DYN DYNE THERAPEUTICS INC 0.3%
Value ($000) $5,486 Shares 524,499 Est. Cost $22.12 Unrealized -35.3%
GOSSAMER BIO INC 0.3%
Value ($000) $5,260 Shares 9,573,000 Est. Cost $1.01 Unrealized
MLYS MINERALYS THERAPEUTICS INC 0.3%
Value ($000) $5,095 Shares 320,813 Est. Cost $11.50 Unrealized 0.0%
CGEM CULLINAN THERAPEUTICS INC 0.3%
Value ($000) $4,880 Shares 644,633 Est. Cost $20.91 Unrealized -54.1%
NEVRO CORP 0.3%
Value ($000) $4,675 Shares 800,494 Est. Cost $49.31 Unrealized
BCAX BICARA THERAPEUTICS INC 0.3%
Value ($000) $4,379 Shares 336,070 Est. Cost $25.50 Unrealized -47.9%
NVAX NOVAVAX INC 0.2%
Value ($000) $4,167 Shares 650,000 Est. Cost $31.79 Unrealized -74.0%
KMTS KESTRA MED TECHNOLOGIES LTD 0.2%
Value ($000) $3,613 Shares 145,000 Est. Cost $22.98 Unrealized 0.0%
GOSS GOSSAMER BIO INC 0.2%
Value ($000) $3,594 Shares 3,266,960 Est. Cost $2.62 Unrealized -55.8%
LUNG PULMONX CORP 0.2%
Value ($000) $3,390 Shares 503,700 Est. Cost $39.33 Unrealized -82.0%
INOZYME PHARMA INC 0.2%
Value ($000) $3,135 Shares 3,445,299 Est. Cost $9.07 Unrealized
BEAM BEAM THERAPEUTICS INC 0.2%
Value ($000) $2,930 Shares 150,020 Est. Cost $32.29 Unrealized -18.9%
ATEC ALPHATEC HLDGS INC 0.2%
Value ($000) $2,712 Shares 267,500 Est. Cost $8.68 Unrealized +23.7%
SGMT SAGIMET BIOSCIENCES INC 0.1%
Value ($000) $2,568 Shares 787,808 Est. Cost $12.87 Unrealized -67.4%
EDAP EDAP TMS S A 0.1%
Value ($000) $2,489 Shares 1,270,000 Est. Cost $7.23 Unrealized
JSPR JASPER THERAPEUTICS INC 0.1%
Value ($000) $2,344 Shares 545,171 Est. Cost $16.31 Unrealized -59.2%
LENZ LENZ THERAPEUTICS INC 0.1%
Value ($000) $2,136 Shares 83,082 Est. Cost $26.69 Unrealized -7.7%
REGN REGENERON PHARMACEUTICALS 0.1%
Value ($000) $1,776 Shares 2,800 Est. Cost $684.44 Unrealized 0.0%
APLS APELLIS PHARMACEUTICALS INC 0.1%
Value ($000) $1,750 Shares 80,000 Est. Cost $45.29 Unrealized -39.0%
BCRX BIOCRYST PHARMACEUTICALS INC 0.1%
Value ($000) $1,665 Shares 222,011 Est. Cost $9.01 Unrealized -10.5%
MGNX MACROGENICS INC 0.1%
Value ($000) $1,454 Shares 1,145,214 Est. Cost $15.57 Unrealized -83.2%
CGEN COMPUGEN LTD 0.1%
Value ($000) $1,445 Shares 989,990 Est. Cost $6.12 Unrealized -68.1%
MERSANA THERAPEUTICS INC 0.1%
Value ($000) $1,313 Shares 3,814,684 Est. Cost $10.59 Unrealized
NGNE NEUROGENE INC 0.1%
Value ($000) $1,222 Shares 104,339 Est. Cost $35.51 Unrealized -51.1%
AMLX AMYLYX PHARMACEUTICALS INC 0.1%
Value ($000) $1,215 Shares 343,228 Est. Cost $3.56 Unrealized 0.0%
SION SIONNA THERAPEUTICS INC 0.1%
Value ($000) $1,040 Shares 99,429 Est. Cost $16.34 Unrealized 0.0%
APPLIED THERAPEUTICS INC 0.1%
Value ($000) $1,014 Shares 2,074,891 Est. Cost $12.37 Unrealized
CATX PERSPECTIVE THERAPEUTICS INC 0.1%
Value ($000) $947 Shares 444,383 Est. Cost $14.00 Unrealized -78.6%
VIGIL NEUROSCIENCE INC 0.0%
Value ($000) $840 Shares 471,958 Est. Cost $7.03 Unrealized
PLRX PLIANT THERAPEUTICS INC 0.0%
Value ($000) $796 Shares 589,996 Est. Cost $20.94 Unrealized -71.0%
SPRUCE BIOSCIENCES INC 0.0%
Value ($000) $757 Shares 2,609,125 Est. Cost $15.23 Unrealized
KRRO KORRO BIO INC 0.0%
Value ($000) $622 Shares 35,719 Est. Cost $55.25 Unrealized -46.3%
ADAPY ADAPTIMMUNE THERAPEUTICS PLC 0.0%
Value ($000) $489 Shares 2,483,468 Est. Cost $6.95 Unrealized
TLPH TALPHERA INC 0.0%
Value ($000) $157 Shares 316,460 Est. Cost $2.81 Unrealized -78.3%
NUVATION BIO INC 0.0%
Value ($000) $32 Shares 134,028 Est. Cost $2.67 Unrealized