13F HOLDINGS REPORT
Rock Springs Capital Management LP
Quarter ended Q4 2024 · Filed February 14, 2025 · Accession 0001172661-25-000867
Total Value
$2.63B
Positions
107
Other Managers
0
Confidential Omitted
No
Holdings (107)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | ARGENX SE | ARGX | 229,600 | $141.2M | 5.38% |
| 2 | INTUITIVE SURGICAL INC | ISRG | 216,000 | $112.7M | 4.29% |
| 3 | ELI LILLY & CO | LLY | 144,500 | $111.6M | 4.25% |
| 4 | NEUROCRINE BIOSCIENCES INC | NBIX | 720,500 | $98.3M | 3.74% |
| 5 | BLUEPRINT MEDICINES CORP | 09627Y109 | 1,096,899 | $95.7M | 3.64% |
| 6 | UNITEDHEALTH GROUP INC | UNH | 176,000 | $89.0M | 3.39% |
| 7 | TRAVERE THERAPEUTICS INC | TVTX | 4,973,649 | $86.6M | 3.30% |
| 8 | MADRIGAL PHARMACEUTICALS INC | MDGL | 265,212 | $81.8M | 3.12% |
| 9 | ULTRAGENYX PHARMACEUTICAL IN | RARE | 1,739,813 | $73.2M | 2.79% |
| 10 | RHYTHM PHARMACEUTICALS INC | RYTM | 1,162,718 | $65.1M | 2.48% |
| 11 | MIRUM PHARMACEUTICALS INC | MIRM | 1,471,564 | $60.8M | 2.32% |
| 12 | ALNYLAM PHARMACEUTICALS INC | ALNY | 256,200 | $60.3M | 2.30% |
| 13 | PENUMBRA INC | PEN | 240,000 | $57.0M | 2.17% |
| 14 | WEST PHARMACEUTICAL SVSC INC | 955306105 | 168,750 | $55.3M | 2.10% |
| 15 | REVOLUTION MEDICINES INC | RVMDW | 1,213,257 | $53.1M | 2.02% |
| 16 | PHREESIA INC | PHR | 2,040,000 | $51.3M | 1.95% |
| 17 | XENON PHARMACEUTICALS INC | XENE | 1,251,859 | $49.1M | 1.87% |
| 18 | FRESHPET INC | FRPT | 327,500 | $48.5M | 1.85% |
| 19 | ASCENDIS PHARMA A/S | ASND | 305,000 | $42.0M | 1.60% |
| 20 | KYMERA THERAPEUTICS INC | KYMR | 1,034,137 | $41.6M | 1.58% |
| 21 | BOSTON SCIENTIFIC CORP | BSX | 460,000 | $41.1M | 1.56% |
| 22 | EDWARDS LIFESCIENCES CORP | EW | 545,000 | $40.3M | 1.54% |
| 23 | INSMED INC | INSM | 550,000 | $38.0M | 1.45% |
| 24 | MERUS N V | N5749R100 | 892,549 | $37.5M | 1.43% |
| 25 | SAREPTA THERAPEUTICS INC | SRPT | 307,500 | $37.4M | 1.42% |
| 26 | IRHYTHM TECHNOLOGIES INC | IRTC | 397,500 | $35.8M | 1.36% |
| 27 | ZAI LAB LTD | ZLAB | 1,305,337 | $34.2M | 1.30% |
| 28 | NUVALENT INC | NUVL | 429,994 | $33.7M | 1.28% |
| 29 | MEREO BIOPHARMA GROUP PLC | MREO | 9,599,170 | $33.6M | 1.28% |
| 30 | SCHOLAR ROCK HLDG CORP | SRRK | 716,782 | $31.0M | 1.18% |
| 31 | CELLDEX THERAPEUTICS INC NEW | CLDX | 1,222,182 | $30.9M | 1.18% |
| 32 | INSULET CORP | PODD | 114,250 | $29.8M | 1.14% |
| 33 | STRUCTURE THERAPEUTICS INC | GPCR | 1,080,963 | $29.3M | 1.12% |
| 34 | DEXCOM INC | DXCM | 353,000 | $27.5M | 1.05% |
| 35 | AKERO THERAPEUTICS INC | 00973Y108 | 946,499 | $26.3M | 1.00% |
| 36 | EXACT SCIENCES CORP | 30063P105 | 450,000 | $25.3M | 0.96% |
| 37 | AMICUS THERAPEUTICS INC | FOLD | 2,599,425 | $24.5M | 0.93% |
| 38 | INSPIRE MED SYS INC | 457730109 | 130,000 | $24.1M | 0.92% |
| 39 | AZENTA INC | AZTA | 475,000 | $23.8M | 0.90% |
| 40 | EVOLENT HEALTH INC | EVH | 2,060,000 | $23.2M | 0.88% |
| 41 | ACADIA HEALTHCARE COMPANY IN | ACHC | 583,500 | $23.1M | 0.88% |
| 42 | IMMUNOVANT INC | IMVT | 909,103 | $22.5M | 0.86% |
| 43 | WARBY PARKER INC | WRBY | 920,000 | $22.3M | 0.85% |
| 44 | VERA THERAPEUTICS INC | VERA | 487,863 | $20.6M | 0.79% |
| 45 | BIOCRYST PHARMACEUTICALS INC | BCRX | 2,677,996 | $20.1M | 0.77% |
| 46 | NEWAMSTERDAM PHARMA COMPANY | NAMSW | 767,522 | $19.7M | 0.75% |
| 47 | SUMMIT THERAPEUTICS INC | SMMT | 1,054,000 | $18.8M | 0.72% |
| 48 | LIFESTANCE HEALTH GROUP INC | LFST | 2,550,000 | $18.8M | 0.72% |
| 49 | LEGEND BIOTECH CORP | LEGN | 512,132 | $16.7M | 0.63% |
| 50 | TENET HEALTHCARE CORP | THC | 129,200 | $16.3M | 0.62% |
| 51 | AGIOS PHARMACEUTICALS INC | AGIO | 471,086 | $15.5M | 0.59% |
| 52 | ACLARIS THERAPEUTICS INC | ACRS | 6,204,309 | $15.4M | 0.59% |
| 53 | CRINETICS PHARMACEUTICALS IN | CRNX | 294,100 | $15.0M | 0.57% |
| 54 | PHARVARIS N V | PHVS | 775,131 | $14.9M | 0.57% |
| 55 | AGILON HEALTH INC | AGL | 7,463,300 | $14.2M | 0.54% |
| 56 | OSCAR HEALTH INC | OSCR | 1,050,000 | $14.1M | 0.54% |
| 57 | SPRINGWORKS THERAPEUTICS INC | 85205L107 | 328,911 | $11.9M | 0.45% |
| 58 | DYNE THERAPEUTICS INC | DYN | 474,528 | $11.2M | 0.43% |
| 59 | JANUX THERAPEUTICS INC | JANX | 204,466 | $10.9M | 0.42% |
| 60 | INOZYME PHARMA INC | 45790W108 | 3,861,983 | $10.7M | 0.41% |
| 61 | NEUMORA THERAPEUTICS INC. | NMRA | 955,106 | $10.1M | 0.39% |
| 62 | JASPER THERAPEUTICS INC | JSPRW | 463,088 | $9.9M | 0.38% |
| 63 | ENLIVEN THERAPEUTICS INC | ELVN | 428,571 | $9.6M | 0.37% |
| 64 | XENCOR INC | XNCR | 401,013 | $9.2M | 0.35% |
| 65 | CULLINAN THERAPEUTICS INC | CGEM | 742,114 | $9.0M | 0.34% |
| 66 | PROTHENA CORP PLC | PRTA | 644,601 | $8.9M | 0.34% |
| 67 | COMPASS THERAPEUTICS INC | CMPX | 5,779,575 | $8.4M | 0.32% |
| 68 | BICARA THERAPEUTICS INC | BCAX | 445,975 | $7.8M | 0.30% |
| 69 | ARDELYX INC | ARDX | 1,463,629 | $7.4M | 0.28% |
| 70 | ZENAS BIOPHARMA INC | ZBIO | 878,667 | $7.2M | 0.27% |
| 71 | BEAM THERAPEUTICS INC | BEAM | 252,223 | $6.3M | 0.24% |
| 72 | TARSUS PHARMACEUTICALS INC | TARS | 110,889 | $6.1M | 0.23% |
| 73 | NEVRO CORP | 64157F103 | 1,648,100 | $6.1M | 0.23% |
| 74 | SOLENO THERAPEUTICS INC | SLNO | 124,095 | $5.6M | 0.21% |
| 75 | PLIANT THERAPEUTICS INC | PLRX | 404,796 | $5.3M | 0.20% |
| 76 | PULMONX CORP | LUNG | 772,151 | $5.2M | 0.20% |
| 77 | NOVAVAX INC | NVAX | 650,000 | $5.2M | 0.20% |
| 78 | GOSSAMER BIO INC | GOSS | 9,573,000 | $5.1M | 0.19% |
| 79 | MERSANA THERAPEUTICS INC | 59045L106 | 3,431,684 | $4.9M | 0.19% |
| 80 | BIOHAVEN LTD | BHVN | 129,858 | $4.9M | 0.18% |
| 81 | 89BIO INC | 282559103 | 552,741 | $4.3M | 0.16% |
| 82 | LEAP THERAPEUTICS INC | CYPH | 1,266,546 | $3.6M | 0.14% |
| 83 | SAGIMET BIOSCIENCES INC | SGMT | 787,808 | $3.5M | 0.13% |
| 84 | EDAP TMS S A | EDAP | 1,591,800 | $3.5M | 0.13% |
| 85 | MACROGENICS INC | MGNX | 1,053,647 | $3.4M | 0.13% |
| 86 | ACUMEN PHARMACEUTICALS INC | ABOS | 1,838,916 | $3.2M | 0.12% |
| 87 | GOSSAMER BIO INC | GOSS | 3,266,960 | $3.0M | 0.11% |
| 88 | XILIO THERAPEUTICS INC | XLO | 3,003,259 | $2.9M | 0.11% |
| 89 | APELLIS PHARMACEUTICALS INC | APLS | 80,000 | $2.6M | 0.10% |
| 90 | AUTOLUS THERAPEUTICS PLC | AUTL | 1,032,988 | $2.4M | 0.09% |
| 91 | NEUROGENE INC | NGNE | 95,407 | $2.2M | 0.08% |
| 92 | ALPHATEC HLDGS INC | ATEC | 200,000 | $1.8M | 0.07% |
| 93 | APPLIED THERAPEUTICS INC | 03828A101 | 1,917,191 | $1.6M | 0.06% |
| 94 | COMPUGEN LTD | CGEN | 989,990 | $1.5M | 0.06% |
| 95 | PERSPECTIVE THERAPEUTICS INC | CATX | 444,383 | $1.4M | 0.05% |
| 96 | KORRO BIO INC | KRRO | 35,719 | $1.4M | 0.05% |
| 97 | ADAPTIMMUNE THERAPEUTICS PLC | ADTI | 2,483,468 | $1.3M | 0.05% |
| 98 | ALLAKOS INC | 01671P100 | 1,100,409 | $1.3M | 0.05% |
| 99 | SPRUCE BIOSCIENCES INC | SPRB | 2,609,125 | $1.1M | 0.04% |
| 100 | LENZ THERAPEUTICS INC | LENZ | 29,305 | $846,035 | 0.03% |
| 101 | VIGIL NEUROSCIENCE INC | 92673K108 | 471,958 | $802,329 | 0.03% |
| 102 | BIOMEA FUSION INC | BMEA | 181,147 | $702,850 | 0.03% |
| 103 | KYVERNA THERAPEUTICS INC | KYTX | 178,963 | $669,322 | 0.03% |
| 104 | NEVRO CORP | 64157FAC7 | 500,000 | $489,102 | 0.02% |
| 105 | VINCERX PHARMA INC | VNCE | 891,719 | $234,344 | 0.01% |
| 106 | TALPHERA INC | TLPH | 316,460 | $165,857 | 0.01% |
| 107 | NUVATION BIO INC | NUVB | 134,028 | $30,826 | 0.00% |