Rock Springs Capital Management LP Q2 2024 Filing
Filed August 14, 2024
Portfolio Value
$3.3B
Holdings
110
Report Date
Q2 2024
Filing Type
13F-HR
All Holdings (110 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | 2L9BLUEPRINT MEDICINES CORP | 2,517,417 | $271.3T | 8166659.11% | Call |
| 2 | UNHUNITEDHEALTH GROUP INC | 275,000 | $140.0T | 4215250.11% | |
| 3 | ISRGINTUITIVE SURGICAL INC | 298,500 | $132.8T | 3996768.73% | |
| 4 | NBIXNEUROCRINE BIOSCIENCES INC | 940,000 | $129.4T | 3895096.79% | |
| 5 | LLYELI LILLY & CO | 121,500 | $110.0T | 3310993.00% | |
| 6 | ARGXARGENX SE | 229,250 | $98.6T | 2967353.49% | |
| 7 | ACHCACADIA HEALTHCARE COMPANY IN | 1,177,500 | $79.5T | 2393718.41% | |
| 8 | RAREULTRAGENYX PHARMACEUTICAL IN | 1,924,072 | $79.1T | 2380204.26% | |
| 9 | EVHEVOLENT HEALTH INC | 4,077,500 | $78.0T | 2346566.93% | |
| 10 | MDGLMADRIGAL PHARMACEUTICALS INC | 245,499 | $68.8T | 2070174.46% | |
| 11 | BSXBOSTON SCIENTIFIC CORP | 817,500 | $63.0T | 1894898.59% | |
| 12 | FRPTFRESHPET INC | 480,000 | $62.1T | 1869360.40% | |
| 13 | ALNYALNYLAM PHARMACEUTICALS INC | 250,000 | $60.8T | 1828510.13% | |
| 14 | MIRMMIRUM PHARMACEUTICALS INC | 1,772,038 | $60.6T | 1823573.27% | |
| 15 | MRUSMERUS N V | 1,001,073 | $59.2T | 1782864.77% | |
| 16 | IDXXIDEXX LABS INC | 119,500 | $58.2T | 1752371.87% | |
| 17 | AGLAGILON HEALTH INC | 8,900,000 | $58.2T | 1751938.45% | |
| 18 | DC4DEXCOM INC | 500,000 | $56.7T | 1706308.47% | |
| 19 | HUMHUMANA INC | 147,408 | $55.1T | 1657819.06% | |
| 20 | IM8NINSMED INC | 808,356 | $54.2T | 1630153.71% | |
| 21 | RYTMRHYTHM PHARMACEUTICALS INC | 1,280,493 | $52.6T | 1582512.85% | |
| 22 | TCE2CELLDEX THERAPEUTICS INC NEW | 1,398,994 | $51.8T | 1558425.43% | |
| 23 | PHRPHREESIA INC | 2,417,500 | $51.3T | 1542600.37% | |
| 24 | EWEDWARDS LIFESCIENCES CORP | 550,000 | $50.8T | 1529131.10% | |
| 25 | XENEXENON PHARMACEUTICALS INC | 1,272,877 | $49.6T | 1493794.17% | |
| 26 | WSTWEST PHARMACEUTICAL SVSC INC | 145,500 | $47.9T | 1442528.80% | |
| 27 | PENPENUMBRA INC | 265,000 | $47.7T | 1435479.78% | |
| 28 | EXASEXACT SCIENCES CORP | 1,081,500 | $45.7T | 1375321.80% | |
| 29 | AGIOAGIOS PHARMACEUTICALS INC | 1,044,261 | $45.0T | 1355310.79% | |
| 30 | SRPTSAREPTA THERAPEUTICS INC | 284,000 | $44.9T | 1350599.28% | |
| 31 | IRTCIRHYTHM TECHNOLOGIES INC | 397,500 | $42.8T | 1287840.00% | |
| 32 | GPCRSTRUCTURE THERAPEUTICS INC | 1,065,462 | $41.8T | 1259360.18% | Call |
| 33 | ASNDASCENDIS PHARMA A/S | 290,000 | $39.6T | 1190418.79% | |
| 34 | PODDINSULET CORP | 195,000 | $39.4T | 1184423.08% | |
| 35 | TVTXTRAVERE THERAPEUTICS INC | 4,482,265 | $36.8T | 1108971.62% | |
| 36 | AZTAAZENTA INC | 696,000 | $36.6T | 1102328.84% | |
| 37 | RVMDREVOLUTION MEDICINES INC | 943,195 | $36.6T | 1101783.39% | |
| 38 | KYMRKYMERA THERAPEUTICS INC | 1,163,973 | $34.7T | 1045775.18% | |
| 39 | MREOMEREO BIOPHARMA GROUP PLC | 9,283,492 | $33.4T | 1005923.50% | |
| 40 | WRBYWARBY PARKER INC | 2,080,000 | $33.4T | 1005448.81% | |
| 41 | IMVTIMMUNOVANT INC | 1,185,654 | $31.3T | 942134.68% | |
| 42 | AFWALIGN TECHNOLOGY INC | 127,500 | $30.8T | 926515.11% | |
| 43 | AKROAKERO THERAPEUTICS INC | 1,074,261 | $25.2T | 758558.19% | |
| 44 | JNJJOHNSON & JOHNSON | 170,000 | $24.8T | 747874.19% | |
| 45 | LFSTLIFESTANCE HEALTH GROUP INC | 4,827,700 | $23.7T | 713465.30% | |
| 46 | ZLABZAI LAB LTD | 1,297,873 | $22.5T | 676989.37% | |
| 47 | PCRXPACIRA BIOSCIENCES INC | 785,000 | $22.5T | 675987.40% | |
| 48 | LEGNLEGEND BIOTECH CORP | 505,786 | $22.4T | 674254.07% | |
| 49 | BCRXBIOCRYST PHARMACEUTICALS INC | 3,619,258 | $22.4T | 673223.24% | |
| 50 | NVONOVO-NORDISK A S | 147,500 | $21.1T | 633707.43% | |
| 51 | OSCROSCAR HEALTH INC | 1,251,500 | $19.8T | 595920.63% | |
| 52 | NUVLNUVALENT INC | 255,989 | $19.4T | 584500.98% | |
| 53 | KRYSKRYSTAL BIOTECH INC | 105,569 | $19.4T | 583518.70% | |
| 54 | INSPINSPIRE MED SYS INC | 130,000 | $17.4T | 523658.21% | |
| 55 | INZYINOZYME PHARMA INC | 3,698,374 | $16.5T | 496474.30% | |
| 56 | DYNDYNE THERAPEUTICS INC | 461,028 | $16.3T | 489699.93% | |
| 57 | DVAXDYNAVAX TECHNOLOGIES CORP | 1,292,637 | $14.5T | 436925.55% | |
| 58 | PHVSPHARVARIS N V | 756,931 | $14.2T | 428316.92% | |
| 59 | IMCRIMMUNOCORE HLDGS PLC | 419,030 | $14.2T | 427432.74% | |
| 60 | VERAVERA THERAPEUTICS INC | 381,192 | $13.8T | 415110.24% | |
| 61 | CRNXCRINETICS PHARMACEUTICALS IN | 289,400 | $13.0T | 390149.16% | |
| 62 | PRTAPROTHENA CORP PLC | 625,048 | $12.9T | 388306.05% | |
| 63 | —OLINK HLDG AB | 500,000 | $12.7T | 383460.40% | |
| 64 | CRLCHARLES RIV LABS INTL INC | 60,250 | $12.4T | 374624.70% | |
| 65 | BMRNBIOMARIN PHARMACEUTICAL INC | 151,000 | $12.4T | 374184.81% | |
| 66 | AM6AMICUS THERAPEUTICS INC | 1,218,580 | $12.1T | 363845.34% | |
| 67 | NVROEURNEVRO CORP | 1,381,500 | $11.6T | 350117.70% | |
| 68 | CGEMCULLINAN THERAPEUTICS INC | 658,338 | $11.5T | 345578.33% | |
| 69 | ELVNENLIVEN THERAPEUTICS INC | 428,571 | $10.0T | 301462.00% | |
| 70 | JSPRJASPER THERAPEUTICS INC | 404,335 | $9.2T | 276260.19% | |
| 71 | NVV1NOVAVAX INC | 675,000 | $8.5T | 257210.42% | |
| 72 | ACCDEURACCOLADE INC | 2,290,000 | $8.2T | 246757.07% | |
| 73 | EDAEDAP TMS S A | 1,475,000 | $8.0T | 241513.83% | |
| 74 | SWTXSPRINGWORKS THERAPEUTICS INC | 199,855 | $7.5T | 226600.95% | |
| 75 | NMRANEUMORA THERAPEUTICS INC. | 760,007 | $7.5T | 224865.18% | |
| 76 | APLTAPPLIED THERAPEUTICS INC | 1,555,004 | $7.3T | 218574.50% | |
| 77 | AUPHAURINIA PHARMACEUTICALS INC | 1,179,740 | $6.7T | 202755.89% | |
| 78 | —MERSANA THERAPEUTICS INC | 3,046,782 | $6.1T | 184326.82% | |
| 79 | BEAMBEAM THERAPEUTICS INC | 249,923 | $5.9T | 176250.20% | |
| 80 | ABOSACUMEN PHARMACEUTICALS INC | 2,300,059 | $5.6T | 167534.96% | |
| 81 | CMPXCOMPASS THERAPEUTICS INC | 5,513,788 | $5.5T | 165959.13% | |
| 82 | APLSAPELLIS PHARMACEUTICALS INC | 140,700 | $5.4T | 162451.52% | |
| 83 | GOSS 5 06/01/27GOSSAMER BIO INC | 9,573,000 | $4.7T | 142546.89% | |
| 84 | FULCFULCRUM THERAPEUTICS INC | 727,673 | $4.5T | 135793.53% | |
| 85 | MGNXMACROGENICS INC | 1,053,647 | $4.5T | 134783.02% | |
| 86 | MLYSMINERALYS THERAPEUTICS INC | 378,932 | $4.4T | 133443.74% | |
| 87 | BHVNBIOHAVEN LTD | 127,558 | $4.4T | 133264.17% | |
| 88 | PLRXPLIANT THERAPEUTICS INC | 384,996 | $4.1T | 124570.66% | |
| 89 | LUNGPULMONX CORP | 652,400 | $4.1T | 124495.68% | |
| 90 | CATXPERSPECTIVE THERAPEUTICS INC | 401,196 | $4.0T | 120393.44% | |
| 91 | AUTLAUTOLUS THERAPEUTICS PLC | 1,032,988 | $3.6T | 108199.58% | |
| 92 | EPIEURESSA PHARMA INC | 677,005 | $3.6T | 107183.68% | |
| 93 | ACRSACLARIS THERAPEUTICS INC | 2,753,495 | $3.0T | 91165.00% | |
| 94 | GOSSGOSSAMER BIO INC | 3,266,960 | $2.9T | 88587.30% | |
| 95 | TVTX 2.5 09/15/25TRAVERE THERAPEUTICS INC | 3,250,000 | $2.9T | 86915.21% | |
| 96 | XLOXILIO THERAPEUTICS INC | 3,003,259 | $2.8T | 85649.16% | |
| 97 | SGMTSAGIMET BIOSCIENCES INC | 787,808 | $2.7T | 81095.64% | |
| 98 | CYPHLEAP THERAPEUTICS INC | 1,266,546 | $2.5T | 74718.49% | |
| 99 | ADAPYADAPTIMMUNE THERAPEUTICS PLC | 2,425,468 | $2.4T | 71171.60% | |
| 100 | VIGLVIGIL NEUROSCIENCE INC | 471,958 | $1.9T | 56821.73% |
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