Fund Holdings — Rock Springs Capital Management LP

Total Portfolio Value:
$2.63B
Total Bought:
$337.92M
Total Sold:
$572.78M
Net Transaction:
-$234.85M
Notable People:
Rock Springs Capital Llc
Securities
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SharesValue
Q3 2024
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Q4 2024
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Change
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Q3 2024
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Q4 2024
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Weight (%)
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Change
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argenx SEADR(ARGX)233,500229,600-3,900$126.58M$141.20M5.38%+$14.63M
Intuitive Surgical, Inc.(ISRG)270,000216,000-54,000$132.64M$112.74M4.29%-$19.90M
Eli Lilly and Company(LLY)142,000144,500+2,500$125.80M$111.55M4.25%-$14.25M
Neurocrine Biosciences, Inc.(NBIX)939,000720,500-218,500$108.19M$98.35M3.74%-$9.84M
Blueprint Medicines Corp768,7761,096,899+328,123$71.11M$95.67M3.64%+$24.56M
UnitedHealth Group Incorporated(UNH)294,250176,000-118,250$172.04M$89.03M3.39%-$83.01M
Travere Therapeutics, Inc.(TVTX)4,684,4764,973,649+289,173$65.54M$86.64M3.30%+$21.11M
Madrigal Pharmaceuticals, Inc.(MDGL)263,062265,212+2,150$55.83M$81.84M3.12%+$26.01M
Ultragenyx Pharmaceutical Inc.(RARE)1,978,2721,739,813-238,459$109.89M$73.19M2.79%-$36.70M
Rhythm Pharmaceuticals, Inc.(RYTM)1,228,0931,162,718-65,375$64.34M$65.09M2.48%+$749.2K
Mirum Pharmaceuticals, Inc.(MIRM)1,580,4881,471,564-108,924$61.64M$60.85M2.32%-$789.9K
Alnylam Pharmaceuticals, Inc.(ALNY)250,000256,200+6,200$68.76M$60.29M2.30%-$8.47M
Penumbra, Inc.(PEN)265,000240,000-25,000$51.49M$57.00M2.17%+$5.50M
West Pharmaceutical Services, Inc.(WST)167,750168,750+1,000$50.35M$55.28M2.10%+$4.92M
Revolution Medicines, Inc.(RVMD)1,009,9451,213,257+203,312$45.80M$53.07M2.02%+$7.27M
Phreesia, Inc.(PHR)2,282,5002,040,000-242,500$52.02M$51.33M1.95%-$691.8K
Xenon Pharmaceuticals Inc.(XENE)1,316,4771,251,859-64,618$51.83M$49.07M1.87%-$2.76M
Freshpet, Inc.(FRPT)446,500327,500-119,000$61.07M$48.51M1.85%-$12.56M
Ascendis Pharma A/SADR(ASND)325,000305,000-20,000$48.53M$41.99M1.60%-$6.54M
Kymera Therapeutics, Inc.(KYMR)1,049,3861,034,137-15,249$49.67M$41.60M1.58%-$8.06M
Boston Scientific Corporation(BSX)460,000460,0000$38.55M$41.09M1.56%+$2.54M
Edwards Lifesciences Corp576,900545,000-31,900$38.07M$40.35M1.54%+$2.28M
Insmed Incorporated(INSM)683,344550,000-133,344$49.88M$37.97M1.45%-$11.91M
Merus N V892,549892,5490$44.59M$37.53M1.43%-$7.06M
Sarepta Therapeutics, Inc.(SRPT)307,500307,5000$38.40M$37.39M1.42%-$1.01M
iRhythm Holdings, Inc.(IRTC)397,500397,5000$29.51M$35.84M1.36%+$6.33M
Zai Lab LimitedADR(ZLAB)1,315,6731,305,337-10,336$31.76M$34.19M1.30%+$2.43M
Nuvalent Inc429,994429,9940$43.99M$33.66M1.28%-$10.33M
Mereo BioPharma Group plcADS(MREO)9,534,1709,599,170+65,000$39.19M$33.60M1.28%-$5.59M
Scholar Rock Holding Corporation(SRRK)0716,782+716,782$0$30.98M1.18%+$30.98M
Celldex Therapeutics, Inc.(CLDX)1,103,7781,222,182+118,404$37.52M$30.88M1.18%-$6.63M
Insulet Corporation(PODD)134,000114,250-19,750$31.19M$29.83M1.14%-$1.36M
Structure Therapeutics IncADS1,063,9101,080,963+17,053$46.70M$29.32M1.12%-$17.38M
DexCom, Inc.(DXCM)524,000353,000-171,000$35.13M$27.45M1.05%-$7.68M
Akero Therapeutics Inc933,399946,499+13,100$26.78M$26.33M1.00%-$447.6K
Endeavour Silver Corp.(EXK)1,147,500450,000-697,500$78.17M$25.29M0.96%-$52.88M
Amicus Therapeutics Inc
COM
1,250,2802,599,425+1,349,145$13.35M$24.49M0.93%+$11.13M
Inspire Medical Systems, Inc.(INSP)130,000130,0000$27.44M$24.10M0.92%-$3.34M
Azenta, Inc.(AZTA)532,500475,000-57,500$25.79M$23.75M0.90%-$2.04M
Evolent Health, Inc.CL A(EVH)2,070,0002,060,000-10,000$58.54M$23.18M0.88%-$35.36M
Acadia Healthcare Company, Inc.(ACHC)815,000583,500-231,500$51.68M$23.14M0.88%-$28.54M
Immunovant, Inc.(IMVT)1,221,309909,103-312,206$34.82M$22.52M0.86%-$12.30M
Warby Parker Inc.CL A(WRBY)1,439,050920,000-519,050$23.50M$22.27M0.85%-$1.23M
Vera Therapeutics, Inc.CL A(VERA)383,492487,863+104,371$16.95M$20.63M0.79%+$3.68M
BioCryst Pharmaceuticals, Inc.(BCRX)3,622,3582,677,996-944,362$27.53M$20.14M0.77%-$7.39M
Newamsterdam Pharma Company
ORDINARY SHARES
353,319767,522+414,203$5.87M$19.73M0.75%+$13.86M
Summit Therapeutics Inc.(SMMT)1,040,0001,054,000+14,000$22.78M$18.81M0.72%-$3.97M
LifeStance Health Group, Inc.(LFST)3,101,0002,550,000-551,000$21.71M$18.79M0.72%-$2.91M
Legend Biotech CorporationADS(LEGN)508,932512,132+3,200$24.80M$16.66M0.63%-$8.14M
Tenet Healthcare Corporation(THC)0129,200+129,200$0$16.31M0.62%+$16.31M
Agios Pharmaceuticals, Inc.(AGIO)699,389471,086-228,303$31.07M$15.48M0.59%-$15.59M
Aclaris Therapeutics, Inc.(ACRS)2,753,4956,204,309+3,450,814$3.17M$15.39M0.59%+$12.22M
Crinetics Pharmaceuticals In289,400294,100+4,700$14.79M$15.04M0.57%+$249.0K
Pharvaris N V
COM
756,931775,131+18,200$14.02M$14.86M0.57%+$840.9K
agilon health, inc.(AGL)9,096,8007,463,300-1,633,500$35.75M$14.18M0.54%-$21.57M
Oscar Health, Inc.CL A(OSCR)1,011,4001,050,000+38,600$21.45M$14.11M0.54%-$7.34M
Springworks Therapeutics Inc199,855328,911+129,056$6.40M$11.88M0.45%+$5.48M
Dyne Therapeutics, Inc.(DYN)461,028474,528+13,500$16.56M$11.18M0.43%-$5.38M
Janux Therapeutics, Inc.(JANX)0204,466+204,466$0$10.95M0.42%+$10.95M
Inozyme Pharma Inc3,802,8833,861,983+59,100$19.89M$10.70M0.41%-$9.19M
Neumora Therapeutics, Inc.(NMRA)828,101955,106+127,005$10.94M$10.12M0.39%-$815.1K
Jasper Therapeutics, Inc.(JSPR)459,088463,088+4,000$8.64M$9.90M0.38%+$1.27M
Enliven Therapeutics Inc428,571428,5710$10.95M$9.64M0.37%-$1.30M
Xencor, Inc.(XNCR)401,013401,0130$8.06M$9.22M0.35%+$1.15M
Cullinan Therapeutics, Inc.(CGEM)736,914742,114+5,200$12.34M$9.04M0.34%-$3.30M
Prothena Corp PlcSHS
SHS
625,048644,601+19,553$10.46M$8.93M0.34%-$1.53M
Compass Therapeutics, Inc.(CMPX)5,629,2395,779,575+150,336$10.36M$8.38M0.32%-$1.98M
Bicara Therapeutics Inc445,975445,9750$11.36M$7.77M0.30%-$3.59M
Ardelyx Inc01,463,629+1,463,629$0$7.42M0.28%+$7.42M
Zenas BioPharma, Inc.(ZBIO)878,667878,6670$14.87M$7.20M0.27%-$7.67M
Beam Therapeutics Inc.(BEAM)249,923252,223+2,300$6.12M$6.26M0.24%+$132.0K
Tarsus Pharmaceuticals, Inc.(TARS)0110,889+110,889$0$6.14M0.23%+$6.14M
Nevro Corp1,381,5001,648,100+266,600$7.72M$6.13M0.23%-$1.59M
Soleno Therapeutics Inc0124,095+124,095$0$5.58M0.21%+$5.58M
Pliant Therapeutics, Inc.(PLRX)384,996404,796+19,800$4.32M$5.33M0.20%+$1.02M
Pulmonx Corporation(LUNG)691,300772,151+80,851$5.73M$5.24M0.20%-$488.0K
Novavax, Inc.(NVAX)650,000650,0000$8.21M$5.23M0.20%-$2.98M
Gossamer Bio, Inc.NOTE 5 000 6 0(GOSS)000$5.01M$5.07M0.19%+$57.3K
Mersana Therapeutics Inc3,046,7823,431,684+384,902$5.76M$4.91M0.19%-$851.1K
Biohaven Ltd.(BHVN)127,558129,858+2,300$6.37M$4.85M0.18%-$1.52M
89bio Inc0552,741+552,741$0$4.32M0.16%+$4.32M
Cypherpunk Technologies Inc.(CYPH)1,266,5461,266,5460$3.26M$3.64M0.14%+$386.3K
Sagimet Biosciences Inc.COM SER A(SGMT)787,808787,8080$2.18M$3.55M0.13%+$1.36M
EDAP TMS S.A.ADR(FOCL)1,568,0001,591,800+23,800$4.00M$3.52M0.13%-$480.5K
MacroGenics, Inc.(MGNX)1,053,6471,053,6470$3.47M$3.42M0.13%-$42.1K
Acumen Pharmaceuticals, Inc.(ABOS)2,300,0591,838,916-461,143$5.70M$3.16M0.12%-$2.54M
Gossamer Bio, Inc.(GOSS)3,266,9603,266,9600$3.22M$2.96M0.11%-$267.2K
Xilio Therapeutics, Inc.(XLO)3,003,2593,003,2590$2.37M$2.87M0.11%+$502.4K
Apellis Pharmaceuticals Inc
COM
80,00080,0000$2.31M$2.55M0.10%+$245.6K
Autolus Therapeutics plcADS(AUTL)1,032,9881,032,9880$3.75M$2.43M0.09%-$1.32M
Neurogene Inc.(NGNE)095,407+95,407$0$2.18M0.08%+$2.18M
Alphatec Holdings, Inc.(ATEC)0200,000+200,000$0$1.84M0.07%+$1.84M
Applied Therapeutics Inc1,746,4491,917,191+170,742$14.84M$1.64M0.06%-$13.20M
Compugen Ltd.(CGEN)989,990989,9900$1.79M$1.51M0.06%-$277.2K
Perspective Therapeutics, Inc.(CATX)414,396444,383+29,987$5.53M$1.42M0.05%-$4.11M
Korro Bio, Inc.(KRRO)35,71935,7190$1.19M$1.36M0.05%+$166.1K
Adaptimmune Therapeutics plcADR(ADAPY)2,425,4682,483,468+58,000$2.31M$1.34M0.05%-$967.3K
Allakos Inc1,200,4091,100,409-100,000$784.1K$1.33M0.05%+$547.4K
Spruce Biosciences Inc2,609,1252,609,1250$1.24M$1.10M0.04%-$143.2K
LENZ Therapeutics, Inc.(LENZ)029,305+29,305$0$846.0K0.03%+$846.0K
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Rock Springs Capital Management LP — 13F Holdings — Q4 2024 | TickerTrail