Rock Springs Capital Management LP Q1 2024 Filing
Filed May 15, 2024
Portfolio Value
$3.9B
Holdings
113
Report Date
Q1 2024
Filing Type
13F-HR
All Holdings (113 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | 2L9BLUEPRINT MEDICINES CORP | 2,498,448 | $237.0T | 6017061.27% | |
| 2 | IMCRIMMUNOCORE HLDGS PLC | 2,367,816 | $153.9T | 3907439.89% | |
| 3 | NBIXNEUROCRINE BIOSCIENCES INC | 1,054,900 | $145.5T | 3693767.36% | |
| 4 | EVHEVOLENT HEALTH INC | 3,987,500 | $130.8T | 3319503.35% | |
| 5 | ISRGINTUITIVE SURGICAL INC | 298,500 | $119.1T | 3024448.40% | |
| 6 | UNHUNITEDHEALTH GROUP INC | 230,000 | $113.8T | 2888688.72% | |
| 7 | PENPENUMBRA INC | 505,000 | $112.7T | 2861393.92% | |
| 8 | IDXXIDEXX LABS INC | 179,250 | $96.8T | 2457127.11% | |
| 9 | ACHCACADIA HEALTHCARE COMPANY IN | 1,177,500 | $93.3T | 2368245.67% | |
| 10 | ARGXARGENX SE | 229,250 | $90.3T | 2291541.99% | |
| 11 | BSXBOSTON SCIENTIFIC CORP | 1,232,500 | $84.4T | 2143113.11% | |
| 12 | RAREULTRAGENYX PHARMACEUTICAL IN | 1,774,938 | $82.9T | 2103962.81% | |
| 13 | DC4DEXCOM INC | 596,750 | $82.8T | 2101357.22% | |
| 14 | LLYELI LILLY & CO | 103,250 | $80.3T | 2039286.89% | |
| 15 | FRPTFRESHPET INC | 662,500 | $76.8T | 1948724.32% | |
| 16 | MDGLMADRIGAL PHARMACEUTICALS INC | 285,931 | $76.4T | 1938512.30% | |
| 17 | EXASEXACT SCIENCES CORP | 1,059,750 | $73.2T | 1858065.41% | |
| 18 | AFWALIGN TECHNOLOGY INC | 220,000 | $72.1T | 1831561.83% | |
| 19 | RYTMRHYTHM PHARMACEUTICALS INC | 1,522,893 | $66.0T | 1675286.47% | |
| 20 | EWEDWARDS LIFESCIENCES CORP | 647,300 | $61.9T | 1570408.90% | |
| 21 | KYMRKYMERA THERAPEUTICS INC | 1,522,238 | $61.2T | 1553601.44% | |
| 22 | TCE2CELLDEX THERAPEUTICS INC NEW | 1,372,185 | $57.6T | 1462118.70% | |
| 23 | PHRPHREESIA INC | 2,365,000 | $56.6T | 1436828.20% | |
| 24 | PODDINSULET CORP | 320,000 | $54.8T | 1392489.07% | |
| 25 | WSTWEST PHARMACEUTICAL SVSC INC | 137,250 | $54.3T | 1378860.66% | |
| 26 | XENEXENON PHARMACEUTICALS INC | 1,255,577 | $54.1T | 1372295.08% | |
| 27 | AGLAGILON HEALTH INC | 8,835,000 | $53.9T | 1368256.08% | |
| 28 | MRUSMERUS N V | 1,146,560 | $51.6T | 1310779.78% | |
| 29 | AGIOAGIOS PHARMACEUTICALS INC | 1,764,505 | $51.6T | 1309879.24% | |
| 30 | HUMHUMANA INC | 147,408 | $51.1T | 1297570.46% | |
| 31 | MIRMMIRUM PHARMACEUTICALS INC | 1,856,564 | $46.6T | 1184024.15% | |
| 32 | IRTCIRHYTHM TECHNOLOGIES INC | 392,250 | $45.5T | 1155186.06% | |
| 33 | SWAVUSDSHOCKWAVE MED INC | 135,000 | $44.0T | 1116064.20% | |
| 34 | ASNDASCENDIS PHARMA A/S | 290,000 | $43.8T | 1112998.58% | |
| 35 | SRPTSAREPTA THERAPEUTICS INC | 327,600 | $42.4T | 1076739.13% | |
| 36 | AZTAAZENTA INC | 694,750 | $41.9T | 1063243.65% | |
| 37 | ALNYALNYLAM PHARMACEUTICALS INC | 276,500 | $41.3T | 1049112.48% | Call |
| 38 | —OLINK HLDG AB | 1,676,500 | $39.4T | 1000661.49% | |
| 39 | IMVTIMMUNOVANT INC | 1,150,123 | $37.2T | 943435.56% | |
| 40 | ACCDEURACCOLADE INC | 3,540,000 | $37.1T | 941879.93% | |
| 41 | AKROAKERO THERAPEUTICS INC | 1,299,888 | $32.8T | 833624.14% | |
| 42 | OSCROSCAR HEALTH INC | 2,110,000 | $31.4T | 796570.87% | |
| 43 | PCRXPACIRA BIOSCIENCES INC | 1,055,500 | $30.8T | 783013.86% | |
| 44 | RVMDREVOLUTION MEDICINES INC | 923,681 | $29.8T | 755811.19% | |
| 45 | LFSTLIFESTANCE HEALTH GROUP INC | 4,780,000 | $29.5T | 748762.45% | |
| 46 | SGRYSURGERY PARTNERS INC | 985,000 | $29.4T | 745968.49% | |
| 47 | WRBYWARBY PARKER INC | 2,080,000 | $28.3T | 718707.97% | |
| 48 | INZYINOZYME PHARMA INC | 3,681,174 | $28.2T | 715889.70% | |
| 49 | INSPINSPIRE MED SYS INC | 130,500 | $28.0T | 711632.16% | |
| 50 | LEGNLEGEND BIOTECH CORP | 499,486 | $28.0T | 711278.63% | |
| 51 | MREOMEREO BIOPHARMA GROUP PLC | 8,142,109 | $26.9T | 682153.10% | |
| 52 | TVTXTRAVERE THERAPEUTICS INC | 3,424,818 | $26.4T | 670382.82% | |
| 53 | CERE1EURCEREVEL THERAPEUTICS HLDNG I | 547,946 | $23.2T | 588032.05% | |
| 54 | IRONDISC MEDICINE INC | 363,468 | $22.6T | 574521.52% | |
| 55 | COLLCOLLEGIUM PHARMACEUTICAL INC | 562,000 | $21.8T | 553889.13% | |
| 56 | VKTXVIKING THERAPEUTICS INC | 261,000 | $21.4T | 543357.12% | |
| 57 | DVAXDYNAVAX TECHNOLOGIES CORP | 1,675,474 | $20.8T | 527886.39% | |
| 58 | ZLABZAI LAB LTD | 1,297,123 | $20.8T | 527563.40% | |
| 59 | MGNXMACROGENICS INC | 1,305,250 | $19.2T | 487789.57% | |
| 60 | NVONOVO-NORDISK A S | 147,500 | $18.9T | 480826.11% | |
| 61 | KRYSKRYSTAL BIOTECH INC | 103,969 | $18.5T | 469660.50% | |
| 62 | BCRXBIOCRYST PHARMACEUTICALS INC | 3,496,256 | $17.8T | 450918.37% | |
| 63 | GPCRSTRUCTURE THERAPEUTICS INC | 412,649 | $17.7T | 449018.21% | |
| 64 | PHVSPHARVARIS N V | 752,924 | $17.4T | 441755.63% | |
| 65 | PRTAPROTHENA CORP PLC | 625,048 | $15.5T | 393070.43% | |
| 66 | NVROEURNEVRO CORP | 1,065,000 | $15.4T | 390434.15% | |
| 67 | VERAVERA THERAPEUTICS INC | 341,168 | $14.7T | 373489.19% | |
| 68 | —MERSANA THERAPEUTICS INC | 3,046,782 | $13.6T | 346537.62% | |
| 69 | AM6AMICUS THERAPEUTICS INC | 1,152,656 | $13.6T | 344727.57% | |
| 70 | CRNXCRINETICS PHARMACEUTICALS IN | 289,400 | $13.5T | 343928.50% | |
| 71 | CRLCHARLES RIV LABS INTL INC | 48,500 | $13.1T | 333627.54% | |
| 72 | BMRNBIOMARIN PHARMACEUTICAL INC | 148,832 | $13.0T | 330020.19% | |
| 73 | DYNDYNE THERAPEUTICS INC | 451,824 | $12.8T | 325660.94% | |
| 74 | JSPRJASPER THERAPEUTICS INC | 404,335 | $11.9T | 301389.70% | |
| 75 | CMPXCOMPASS THERAPEUTICS INC | 5,513,788 | $10.9T | 277170.01% | |
| 76 | EDAEDAP TMS S A | 1,475,000 | $10.8T | 275239.25% | |
| 77 | MLYSMINERALYS THERAPEUTICS INC | 792,615 | $10.2T | 259788.27% | |
| 78 | APLTAPPLIED THERAPEUTICS INC | 1,497,918 | $10.2T | 258599.65% | |
| 79 | NUVLNUVALENT INC | 125,302 | $9.4T | 238875.22% | |
| 80 | ABOSACUMEN PHARMACEUTICALS INC | 2,300,059 | $9.3T | 236496.65% | |
| 81 | IMTXIMMATICS N.V | 848,751 | $8.9T | 226471.74% | |
| 82 | NMRANEUMORA THERAPEUTICS INC. | 646,118 | $8.9T | 225551.42% | |
| 83 | ELVNENLIVEN THERAPEUTICS INC | 428,571 | $7.5T | 191390.17% | |
| 84 | CGONCG ONCOLOGY INC | 170,859 | $7.5T | 190429.13% | |
| 85 | BHVNBIOHAVEN LTD | 126,984 | $6.9T | 176314.46% | |
| 86 | FULCFULCRUM THERAPEUTICS INC | 727,673 | $6.9T | 174397.09% | |
| 87 | AUTLAUTOLUS THERAPEUTICS PLC | 1,032,988 | $6.6T | 167319.64% | |
| 88 | LUNGPULMONX CORP | 652,400 | $6.0T | 153541.11% | |
| 89 | AUPHAURINIA PHARMACEUTICALS INC | 1,150,347 | $5.8T | 146317.93% | |
| 90 | EPIEURESSA PHARMA INC | 677,005 | $5.7T | 145925.28% | |
| 91 | PLRXPLIANT THERAPEUTICS INC | 384,996 | $5.7T | 145637.58% | |
| 92 | BEAMBEAM THERAPEUTICS INC | 147,510 | $4.9T | 123734.97% | |
| 93 | —VINCERX PHARMA INC | 891,719 | $4.5T | 114553.81% | |
| 94 | KYTXKYVERNA THERAPEUTICS INC | 178,963 | $4.4T | 112861.51% | |
| 95 | SGMTSAGIMET BIOSCIENCES INC | 770,671 | $4.2T | 106047.23% | |
| 96 | GOSSGOSSAMER BIO INC | 3,266,960 | $3.9T | 97871.64% | |
| 97 | GOSS 5 06/01/27GOSSAMER BIO INC | 9,573,000 | $3.8T | 97609.05% | |
| 98 | ADAPYADAPTIMMUNE THERAPEUTICS PLC | 2,425,468 | $3.8T | 97293.45% | |
| 99 | ACRSACLARIS THERAPEUTICS INC | 2,753,495 | $3.4T | 86683.61% | |
| 100 | CGENCOMPUGEN LTD | 1,289,990 | $3.3T | 84496.17% |
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