Fund Holdings — Rock Springs Capital Management LP

Total Portfolio Value:
$3.07B
Total Bought:
$439.12M
Total Sold:
$567.79M
Net Transaction:
-$128.67M
Notable People:
Rock Springs Capital Llc
Securities
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SharesValue
Q2 2024
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Q3 2024
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Change
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Q2 2024
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Q3 2024
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Weight (%)
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Change
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UnitedHealth Group Incorporated(UNH)275,000294,250+19,250$140.05M$172.04M5.60%+$32.00M
Intuitive Surgical, Inc.(ISRG)298,500270,000-28,500$132.79M$132.64M4.32%-$144.8K
argenx SEADR(ARGX)229,250233,500+4,250$98.59M$126.58M4.12%+$27.99M
Eli Lilly and Company(LLY)121,500142,000+20,500$110.00M$125.80M4.09%+$15.80M
Ultragenyx Pharmaceutical Inc.(RARE)1,924,0721,978,272+54,200$79.08M$109.89M3.58%+$30.81M
Neurocrine Biosciences, Inc.(NBIX)940,000939,000-1,000$129.41M$108.19M3.52%-$21.22M
Endeavour Silver Corp.(EXK)1,081,5001,147,500+66,000$45.69M$78.17M2.54%+$32.47M
Blueprint Medicines Corp2,460,417768,776-1,691,641$265.18M$71.11M2.31%-$194.07M
Alnylam Pharmaceuticals, Inc.(ALNY)250,000250,0000$60.75M$68.76M2.24%+$8.01M
Travere Therapeutics, Inc.(TVTX)4,482,2654,684,476+202,211$36.84M$65.54M2.13%+$28.69M
Rhythm Pharmaceuticals, Inc.(RYTM)1,280,4931,228,093-52,400$52.58M$64.34M2.09%+$11.76M
Mirum Pharmaceuticals, Inc.(MIRM)1,772,0381,580,488-191,550$60.59M$61.64M2.01%+$1.05M
Freshpet, Inc.(FRPT)480,000446,500-33,500$62.11M$61.07M1.99%-$1.04M
Evolent Health, Inc.CL A(EVH)4,077,5002,070,000-2,007,500$77.96M$58.54M1.90%-$19.42M
Madrigal Pharmaceuticals, Inc.(MDGL)245,499263,062+17,563$68.78M$55.83M1.82%-$12.95M
Phreesia, Inc.(PHR)2,417,5002,282,500-135,000$51.25M$52.02M1.69%+$767.2K
Xenon Pharmaceuticals Inc.(XENE)1,272,8771,316,477+43,600$49.63M$51.83M1.69%+$2.20M
Acadia Healthcare Company, Inc.(ACHC)1,177,500815,000-362,500$79.53M$51.68M1.68%-$27.85M
Penumbra, Inc.(PEN)265,000265,0000$47.69M$51.49M1.68%+$3.80M
West Pharmaceutical Services, Inc.(WST)145,500167,750+22,250$47.93M$50.35M1.64%+$2.43M
Insmed Incorporated(INSM)808,356683,344-125,012$54.16M$49.88M1.62%-$4.28M
Kymera Therapeutics, Inc.(KYMR)1,163,9731,049,386-114,587$34.74M$49.67M1.62%+$14.92M
Ascendis Pharma A/SADR(ASND)290,000325,000+35,000$39.55M$48.53M1.58%+$8.98M
Humana Inc.(HUM)147,408148,000+592$55.08M$46.88M1.53%-$8.20M
Structure Therapeutics IncADS999,8621,063,910+64,048$39.26M$46.70M1.52%+$7.43M
Revolution Medicines, Inc.(RVMD)943,1951,009,945+66,750$36.61M$45.80M1.49%+$9.20M
Merus N V1,001,073892,549-108,524$59.23M$44.59M1.45%-$14.64M
Nuvalent Inc255,989429,994+174,005$19.42M$43.99M1.43%+$24.57M
Mereo BioPharma Group plcADS(MREO)9,283,4929,534,170+250,678$33.42M$39.19M1.27%+$5.76M
Boston Scientific Corporation(BSX)817,500460,000-357,500$62.96M$38.55M1.25%-$24.41M
Sarepta Therapeutics, Inc.(SRPT)284,000307,500+23,500$44.87M$38.40M1.25%-$6.47M
Edwards Lifesciences Corp550,000576,900+26,900$50.80M$38.07M1.24%-$12.73M
Celldex Therapeutics, Inc.(CLDX)1,398,9941,103,778-295,216$51.78M$37.52M1.22%-$14.26M
agilon health, inc.(AGL)8,900,0009,096,800+196,800$58.21M$35.75M1.16%-$22.46M
DexCom, Inc.(DXCM)500,000524,000+24,000$56.69M$35.13M1.14%-$21.56M
Immunovant, Inc.(IMVT)1,185,6541,221,309+35,655$31.30M$34.82M1.13%+$3.52M
Zai Lab LimitedADR(ZLAB)1,297,8731,315,673+17,800$22.49M$31.76M1.03%+$9.27M
Insulet Corporation(PODD)195,000134,000-61,000$39.35M$31.19M1.01%-$8.16M
Agios Pharmaceuticals, Inc.(AGIO)1,044,261699,389-344,872$45.03M$31.07M1.01%-$13.95M
iRhythm Holdings, Inc.(IRTC)397,500397,5000$42.79M$29.51M0.96%-$13.28M
Align Technology Inc127,500114,500-13,000$30.78M$29.12M0.95%-$1.66M
BioCryst Pharmaceuticals, Inc.(BCRX)3,619,2583,622,358+3,100$22.37M$27.53M0.90%+$5.16M
Inspire Medical Systems, Inc.(INSP)130,000130,0000$17.40M$27.44M0.89%+$10.04M
Akero Therapeutics Inc1,074,261933,399-140,862$25.20M$26.78M0.87%+$1.58M
Azenta, Inc.(AZTA)696,000532,500-163,500$36.62M$25.79M0.84%-$10.83M
Legend Biotech CorporationADS(LEGN)505,786508,932+3,146$22.40M$24.80M0.81%+$2.40M
Warby Parker Inc.CL A(WRBY)2,080,0001,439,050-640,950$33.40M$23.50M0.76%-$9.91M
Summit Therapeutics Inc.(SMMT)01,040,000+1,040,000$0$22.78M0.74%+$22.78M
LifeStance Health Group, Inc.(LFST)4,827,7003,101,000-1,726,700$23.70M$21.71M0.71%-$2.00M
Oscar Health, Inc.CL A(OSCR)1,251,5001,011,400-240,100$19.80M$21.45M0.70%+$1.65M
Inozyme Pharma Inc3,698,3743,802,883+104,509$16.49M$19.89M0.65%+$3.39M
Vera Therapeutics, Inc.CL A(VERA)381,192383,492+2,300$13.79M$16.95M0.55%+$3.16M
Dyne Therapeutics, Inc.(DYN)461,028461,0280$16.27M$16.56M0.54%+$290.4K
Novo Nordisk A/SADR(NVO)147,500132,000-15,500$21.05M$15.72M0.51%-$5.34M
Zenas BioPharma, Inc.(ZBIO)0878,667+878,667$0$14.87M0.48%+$14.87M
Applied Therapeutics Inc1,555,0041,746,449+191,445$7.26M$14.84M0.48%+$7.58M
Crinetics Pharmaceuticals In289,400289,4000$12.96M$14.79M0.48%+$1.83M
Pharvaris N V
COM
756,931756,9310$14.23M$14.02M0.46%-$211.9K
Amicus Therapeutics Inc
COM
1,218,5801,250,280+31,700$12.09M$13.35M0.43%+$1.26M
Johnson & Johnson(JNJ)170,00080,000-90,000$24.85M$12.96M0.42%-$11.88M
Cullinan Therapeutics, Inc.(CGEM)658,338736,914+78,576$11.48M$12.34M0.40%+$854.5K
Bicara Therapeutics Inc0445,975+445,975$0$11.36M0.37%+$11.36M
Enliven Therapeutics Inc428,571428,5710$10.02M$10.95M0.36%+$930.0K
Neumora Therapeutics, Inc.(NMRA)760,007828,101+68,094$7.47M$10.94M0.36%+$3.47M
Cytokinetics, Incorporated(CYTK)0206,108+206,108$0$10.88M0.35%+$10.88M
BioMarin Pharmaceutical Inc.(BMRN)151,000151,0000$12.43M$10.61M0.35%-$1.82M
Prothena Corp PlcSHS
SHS
625,048625,0480$12.90M$10.46M0.34%-$2.44M
Compass Therapeutics, Inc.(CMPX)5,513,7885,629,239+115,451$5.51M$10.36M0.34%+$4.84M
Krystal Biotech, Inc.(KRYS)105,56955,861-49,708$19.39M$10.17M0.33%-$9.22M
Aurinia Pharmaceuticals Inc.(AUPH)1,179,7401,179,7400$6.74M$8.65M0.28%+$1.91M
Jasper Therapeutics, Inc.(JSPR)404,335459,088+54,753$9.18M$8.64M0.28%-$543.0K
Novavax, Inc.(NVAX)675,000650,000-25,000$8.55M$8.21M0.27%-$336.0K
Xencor, Inc.(XNCR)0401,013+401,013$0$8.06M0.26%+$8.06M
Nevro Corp1,381,5001,381,5000$11.63M$7.72M0.25%-$3.91M
Dynavax Technologies Corp1,292,637605,013-687,624$14.52M$6.74M0.22%-$7.78M
Springworks Therapeutics Inc199,855199,8550$7.53M$6.40M0.21%-$1.13M
Biohaven Ltd.(BHVN)127,558127,5580$4.43M$6.37M0.21%+$1.95M
Beam Therapeutics Inc.(BEAM)249,923249,9230$5.86M$6.12M0.20%+$267.4K
Pacira BioSciences, Inc.(PCRX)785,000400,000-385,000$22.46M$6.02M0.20%-$16.44M
Newamsterdam Pharma Company
ORDINARY SHARES
0353,319+353,319$0$5.87M0.19%+$5.87M
Mersana Therapeutics Inc3,046,7823,046,7820$6.12M$5.76M0.19%-$365.6K
Pulmonx Corporation(LUNG)652,400691,300+38,900$4.14M$5.73M0.19%+$1.59M
Acumen Pharmaceuticals, Inc.(ABOS)2,300,0592,300,0590$5.57M$5.70M0.19%+$138.0K
Perspective Therapeutics, Inc.(CATX)401,196414,396+13,200$4.00M$5.53M0.18%+$1.53M
Gossamer Bio, Inc.NOTE 5 000 6 0(GOSS)000$4.74M$5.01M0.16%+$276.6K
Pliant Therapeutics, Inc.(PLRX)384,996384,9960$4.14M$4.32M0.14%+$177.1K
Essa Pharma Inc677,005677,0050$3.56M$4.10M0.13%+$541.6K
EDAP TMS S.A.ADR(FOCL)1,475,0001,568,000+93,000$8.02M$4.00M0.13%-$4.03M
Autolus Therapeutics plcADS(AUTL)1,032,9881,032,9880$3.59M$3.75M0.12%+$154.9K
MacroGenics, Inc.(MGNX)1,053,6471,053,6470$4.48M$3.47M0.11%-$1.01M
Cypherpunk Technologies Inc.(CYPH)1,266,5461,266,5460$2.48M$3.26M0.11%+$772.6K
Gossamer Bio, Inc.(GOSS)3,266,9603,266,9600$2.94M$3.22M0.10%+$279.3K
Aclaris Therapeutics, Inc.(ACRS)2,753,4952,753,4950$3.03M$3.17M0.10%+$137.7K
Xilio Therapeutics, Inc.(XLO)3,003,2593,003,2590$2.85M$2.37M0.08%-$479.9K
Apellis Pharmaceuticals Inc
COM
140,70080,000-60,700$5.40M$2.31M0.08%-$3.09M
Adaptimmune Therapeutics plcADR(ADAPY)2,425,4682,425,4680$2.36M$2.31M0.07%-$59.4K
Sagimet Biosciences Inc.COM SER A(SGMT)787,808787,8080$2.69M$2.18M0.07%-$512.1K
Biomea Fusion, Inc.(BMEA)181,147181,1470$815.2K$1.83M0.06%+$1.01M
Compugen Ltd.(CGEN)989,990989,9900$1.66M$1.79M0.06%+$128.7K
Vigil Neuroscience Inc471,958471,9580$1.89M$1.60M0.05%-$283.2K
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Rock Springs Capital Management LP — 13F Holdings — Q3 2024 | TickerTrail