Rock Springs Capital Management LP Q3 2021 Filing
Filed November 15, 2021
Portfolio Value
$4.8T
Holdings
153
Report Date
Q3 2021
Filing Type
13F-HR
All Holdings (153 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | AGLAGILON HEALTH INC | 7,075,000 | $185.4B | 3.90% | |
| 2 | HUMHUMANA INC | 342,000 | $133.1B | 2.80% | |
| 3 | AFWALIGN TECHNOLOGY INC | 200,000 | $133.1B | 2.80% | |
| 4 | PODDINSULET CORP | 437,566 | $124.4B | 2.62% | |
| 5 | ISRGINTUITIVE SURGICAL INC | 120,000 | $119.3B | 2.51% | |
| 6 | AGIOAGIOS PHARMACEUTICALS INC | 2,556,179 | $118.0B | 2.48% | |
| 7 | ZLABZAI LAB LTD | 1,077,750 | $113.6B | 2.39% | |
| 8 | IDXXIDEXX LABS INC | 180,000 | $111.9B | 2.35% | |
| 9 | HCAHCA HEALTHCARE INC | 450,000 | $109.2B | 2.30% | |
| 10 | NBIXNEUROCRINE BIOSCIENCES INC | 1,051,500 | $100.8B | 2.12% | |
| 11 | ARGXARGENX SE | 315,000 | $95.1B | 2.00% | |
| 12 | NVV1NOVAVAX INC | 455,000 | $94.3B | 1.98% | |
| 13 | UNHUNITEDHEALTH GROUP INC | 240,000 | $93.8B | 1.97% | |
| 14 | IMCRIMMUNOCORE HLDGS PLC | 2,445,155 | $90.6B | 1.91% | |
| 15 | 2L9BLUEPRINT MEDICINES CORP | 849,659 | $87.4B | 1.84% | |
| 16 | HZNPHORIZON THERAPEUTICS PUB L | 702,000 | $76.9B | 1.62% | |
| 17 | FRPTFRESHPET INC | 527,000 | $75.2B | 1.58% | |
| 18 | NVTA1EURINVITAE CORP | 2,605,829 | $74.1B | 1.56% | |
| 19 | NVROEURNEVRO CORP | 635,700 | $74.0B | 1.56% | |
| 20 | RAREULTRAGENYX PHARMACEUTICAL IN | 801,109 | $72.3B | 1.52% | |
| 21 | ACRSACLARIS THERAPEUTICS INC | 3,803,232 | $68.5B | 1.44% | |
| 22 | EWEDWARDS LIFESCIENCES CORP | 582,000 | $65.9B | 1.39% | |
| 23 | ASNDASCENDIS PHARMA A/S | 400,000 | $63.8B | 1.34% | |
| 24 | MRTXEURMIRATI THERAPEUTICS INC | 353,514 | $62.5B | 1.31% | |
| 25 | PHRPHREESIA INC | 970,000 | $59.8B | 1.26% | |
| 26 | ALNYALNYLAM PHARMACEUTICALS INC | 311,000 | $58.7B | 1.23% | |
| 27 | EVHEVOLENT HEALTH INC | 1,875,000 | $58.1B | 1.22% | |
| 28 | PCRXPACIRA BIOSCIENCES INC | 1,000,000 | $56.0B | 1.18% | |
| 29 | EXASEXACT SCIENCES CORP | 570,000 | $54.4B | 1.14% | |
| 30 | PRTAPROTHENA CORP PLC | 710,430 | $50.6B | 1.06% | |
| 31 | TFXTELEFLEX INCORPORATED | 130,000 | $49.0B | 1.03% | |
| 32 | KRTXKARUNA THERAPEUTICS INC | 391,917 | $47.9B | 1.01% | |
| 33 | ARVNARVINAS INC | 577,500 | $47.5B | 1.00% | |
| 34 | CERE1EURCEREVEL THERAPEUTICS HLDNG I | 1,600,589 | $47.2B | 0.99% | |
| 35 | SWAVUSDSHOCKWAVE MED INC | 220,000 | $45.3B | 0.95% | |
| 36 | ACHCACADIA HEALTHCARE COMPANY IN | 710,000 | $45.3B | 0.95% | |
| 37 | VERVVERVE THERAPEUTICS INC | 962,826 | $45.3B | 0.95% | |
| 38 | KYMRKYMERA THERAPEUTICS INC | 732,927 | $43.1B | 0.91% | |
| 39 | HCATHEALTH CATALYST INC | 850,000 | $42.5B | 0.89% | |
| 40 | SGENUSDSEAGEN INC | 250,000 | $42.5B | 0.89% | |
| 41 | PENPENUMBRA INC | 147,500 | $39.3B | 0.83% | |
| 42 | ACCDEURACCOLADE INC | 923,000 | $38.9B | 0.82% | |
| 43 | EHCENCOMPASS HEALTH CORP | 500,000 | $37.5B | 0.79% | |
| 44 | TVTXTRAVERE THERAPEUTICS INC | 1,496,817 | $36.3B | 0.76% | |
| 45 | BAXBAXTER INTL INC | 450,000 | $36.2B | 0.76% | |
| 46 | WRBYWARBY PARKER INC | 650,000 | $34.5B | 0.73% | |
| 47 | GRPHGRAPHITE BIO INC | 2,076,710 | $34.0B | 0.72% | |
| 48 | —INTERSECT ENT INC | 1,220,000 | $33.2B | 0.70% | |
| 49 | SRPTSAREPTA THERAPEUTICS INC | 350,000 | $32.4B | 0.68% | |
| 50 | ALLKGUSDALLAKOS INC | 305,706 | $32.4B | 0.68% | |
| 51 | MIRMMIRUM PHARMACEUTICALS INC | 1,525,623 | $30.4B | 0.64% | |
| 52 | CVETUSDCOVETRUS INC | 1,623,500 | $29.4B | 0.62% | |
| 53 | IMRXIMMUNEERING CORP | 1,089,816 | $28.9B | 0.61% | |
| 54 | —SIERRA ONCOLOGY INC | 1,313,997 | $28.8B | 0.61% | |
| 55 | —MERSANA THERAPEUTICS INC | 3,020,702 | $28.5B | 0.60% | |
| 56 | CYTK 4 11/15/26CYTOKINETICS INC | 8,000,000 | $28.3B | 0.60% | |
| 57 | DVAXDYNAVAX TECHNOLOGIES CORP | 1,429,921 | $27.5B | 0.58% | |
| 58 | AVIRATEA PHARMACEUTICALS INC | 750,307 | $26.3B | 0.55% | |
| 59 | IRTCIRHYTHM TECHNOLOGIES INC | 448,000 | $26.2B | 0.55% | |
| 60 | DC4DEXCOM INC | 46,500 | $25.4B | 0.53% | |
| 61 | LUNGPULMONX CORP | 700,000 | $25.2B | 0.53% | |
| 62 | GHGUARDANT HEALTH INC | 200,000 | $25.0B | 0.53% | |
| 63 | LFSTLIFESTANCE HEALTH GROUP INC | 1,687,500 | $24.5B | 0.51% | |
| 64 | CGEMCULLINAN ONCOLOGY INC | 1,075,912 | $24.3B | 0.51% | |
| 65 | ABOSACUMEN PHARMACEUTICALS INC | 1,579,191 | $23.5B | 0.49% | |
| 66 | —ABCAM PLC | 1,147,588 | $23.3B | 0.49% | |
| 67 | WHWKAADI BIOSCIENCES INC | 764,701 | $22.5B | 0.47% | |
| 68 | AMRNAMARIN CORP PLC | 4,320,000 | $22.0B | 0.46% | |
| 69 | —ICOSAVAX INC | 734,215 | $21.7B | 0.46% | |
| 70 | CNMDCONMED CORP | 162,500 | $21.3B | 0.45% | |
| 71 | MDGLMADRIGAL PHARMACEUTICALS INC | 262,500 | $20.9B | 0.44% | |
| 72 | BOLT1EURBOLT BIOTHERAPEUTICS INC | 1,649,248 | $20.9B | 0.44% | |
| 73 | NVCRNOVOCURE LTD | 175,000 | $20.3B | 0.43% | |
| 74 | BMRNBIOMARIN PHARMACEUTICAL INC | 253,500 | $19.6B | 0.41% | |
| 75 | OSH3EUROAK STR HEALTH INC | 441,000 | $18.8B | 0.39% | |
| 76 | —EPIZYME INC | 3,593,885 | $18.4B | 0.39% | |
| 77 | COLLCOLLEGIUM PHARMACEUTICAL INC | 900,000 | $17.8B | 0.37% | |
| 78 | RIGLUSDRIGEL PHARMACEUTICALS INC | 4,793,400 | $17.4B | 0.37% | |
| 79 | SPROSPERO THERAPEUTICS INC | 941,543 | $17.3B | 0.36% | |
| 80 | GOSS 5 06/01/27GOSSAMER BIO INC | 15,573,000 | $16.3B | 0.34% | |
| 81 | LEGNLEGEND BIOTECH CORP | 315,218 | $15.9B | 0.34% | |
| 82 | —AMRYT PHARMA PLC | 1,295,225 | $15.6B | 0.33% | |
| 83 | KURAKURA ONCOLOGY INC | 822,500 | $15.4B | 0.32% | |
| 84 | RLAYRELAY THERAPEUTICS INC | 469,560 | $14.8B | 0.31% | |
| 85 | ANABANAPTYSBIO INC | 535,832 | $14.5B | 0.31% | |
| 86 | —PROMETHEUS BIOSCIENCES INC | 610,136 | $14.5B | 0.30% | |
| 87 | —BRIGHT HEALTH GROUP INC | 1,765,000 | $14.4B | 0.30% | |
| 88 | LPTXEURLEAP THERAPEUTICS INC | 3,508,270 | $14.1B | 0.30% | |
| 89 | NKTXNKARTA INC | 503,148 | $14.0B | 0.29% | |
| 90 | BMEABIOMEA FUSION INC | 1,165,582 | $14.0B | 0.29% | |
| 91 | AUPHAURINIA PHARMACEUTICALS INC | 613,269 | $13.6B | 0.29% | |
| 92 | MGNXMACROGENICS INC | 641,816 | $13.4B | 0.28% | |
| 93 | —VINCERX PHARMA INC | 800,295 | $12.9B | 0.27% | |
| 94 | FULCFULCRUM THERAPEUTICS INC | 455,290 | $12.8B | 0.27% | |
| 95 | WSTWEST PHARMACEUTICAL SVSC INC | 30,000 | $12.7B | 0.27% | |
| 96 | AKROAKERO THERAPEUTICS INC | 568,701 | $12.7B | 0.27% | |
| 97 | AGLEUSDAEGLEA BIOTHERAPEUTICS INC | 1,577,296 | $12.5B | 0.26% | |
| 98 | —OLINK HLDG AB | 505,000 | $12.2B | 0.26% | |
| 99 | RCKTROCKET PHARMACEUTICALS INC | 403,270 | $12.1B | 0.25% | |
| 100 | MREOMEREO BIOPHARMA GROUP PLC | 4,832,978 | $11.7B | 0.25% |
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