Fund HoldingsRock Springs Capital Management LP

Total Portfolio Value
$3.07B
Total Bought
$439.12M
Total Sold
$576.51M
Net Transaction
-$137.39M
Filing Period:
Securities
SharesValue ($K)
Q2 2024
Q3 2024
Change
Q2 2024
Q3 2024
Weight (%)
Change
EXACT SCIENCES CORP(EXK)01,147,500+1,147,500078,1682.54%+78,168
UNITEDHEALTH GROUP INC(UNH)275,000294,250+19,250140,047172,0425.60%+31,996
ULTRAGENYX PHARMACEUTICAL IN(RARE)1,924,0721,978,272+54,20079,079109,8933.58%+30,814
TRAVERE THERAPEUTICS INC(TVTX)4,482,2654,684,476+202,21136,84465,5362.13%+28,692
ARGENX SE(ARGX)229,250233,500+4,25098,587126,5764.12%+27,989
NUVALENT INC255,989429,994+174,00519,41943,9881.43%+24,569
SUMMIT THERAPEUTICS INC(SMMT)01,040,000+1,040,000022,7760.74%+22,776
ELI LILLY & CO(LLY)121,500142,000+20,500110,004125,8034.09%+15,800
KYMERA THERAPEUTICS INC(KYMR)01,049,386+1,049,386049,6671.62%+49,667
ZENAS BIOPHARMA INC(ZBIO)0878,667+878,667014,8670.48%+14,867
RHYTHM PHARMACEUTICALS INC(RYTM)01,228,093+1,228,093064,3402.09%+64,340
BICARA THERAPEUTICS INC0445,975+445,975011,3590.37%+11,359
CYTOKINETICS INC(CYTK)0206,108+206,108010,8830.35%+10,883
INSPIRE MED SYS INC(INSP)130,000130,000017,39827,4370.89%+10,039
ZAI LAB LTD(ZLAB)1,297,8731,315,673+17,80022,49231,7601.03%+9,268
REVOLUTION MEDICINES INC(RVMD)943,1951,009,945+66,75036,60545,8011.49%+9,196
ASCENDIS PHARMA A/S(ASND)290,000325,000+35,00039,55048,5261.58%+8,976
XENCOR INC(XNCR)0401,013+401,01308,0640.26%+8,064
ALNYLAM PHARMACEUTICALS INC(ALNY)250,000250,000060,75068,7582.24%+8,008
APPLIED THERAPEUTICS INC1,555,0041,746,449+191,4457,26214,8450.48%+7,583
STRUCTURE THERAPEUTICS INC999,8621,063,910+64,04839,26546,6951.52%+7,430
NEWAMSTERDAM PHARMA COMPANY
ORDINARY SHARES
0353,319+353,31905,8650.19%+5,865
MEREO BIOPHARMA GROUP PLC9,283,4929,534,170+250,67833,42139,1851.27%+5,765
BIOCRYST PHARMACEUTICALS INC(BCRX)3,619,2583,622,358+3,10022,36727,5300.90%+5,163
COMPASS THERAPEUTICS INC5,513,7885,629,239+115,4515,51410,3580.34%+4,844
PENUMBRA INC(PEN)0265,000+265,000051,4921.68%+51,492
IMMUNOVANT INC(IMVT)1,185,6541,221,309+35,65531,30134,8201.13%+3,518
NEUMORA THERAPEUTICS INC.760,007828,101+68,0947,47110,9390.36%+3,468
INOZYME PHARMA INC03,802,883+3,802,883019,8890.65%+19,889
VERA THERAPEUTICS INC(VERA)381,192383,492+2,30013,79216,9500.55%+3,159
WEST PHARMACEUTICAL SVSC INC(WST)145,500167,750+22,25047,92650,3521.64%+2,426
LEGEND BIOTECH CORP(LEGN)505,786508,932+3,14622,40124,8000.81%+2,399
XENON PHARMACEUTICALS INC(XENE)1,272,8771,316,477+43,60049,62951,8301.69%+2,200
BIOHAVEN LTD(BHVN)127,558127,55804,4286,3740.21%+1,947
AURINIA PHARMACEUTICALS INC(AUPH)1,179,7401,179,74006,7368,6470.28%+1,911
CRINETICS PHARMACEUTICALS IN(CRNX)289,400289,400012,96214,7880.48%+1,826
OSCAR HEALTH INC(OSCR)1,251,5001,011,400-240,10019,79921,4520.70%+1,653
PULMONX CORP652,400691,300+38,9004,1365,7310.19%+1,595
AKERO THERAPEUTICS INC1,074,261933,399-140,86225,20226,7790.87%+1,577
PERSPECTIVE THERAPEUTICS INC401,196414,396+13,2004,0005,5320.18%+1,532
AMICUS THERAPEUTICS INC
COM
1,218,5801,250,280+31,70012,08813,3530.43%+1,265
MIRUM PHARMACEUTICALS INC(MIRM)1,772,0381,580,488-191,55060,58661,6392.01%+1,053
BIOMEA FUSION INC181,147181,14708151,8300.06%+1,014
ENLIVEN THERAPEUTICS INC428,571428,571010,01610,9460.36%+930
CULLINAN THERAPEUTICS INC(CGEM)658,338736,914+78,57611,48112,3360.40%+855
LEAP THERAPEUTICS INC1,266,5461,266,54602,4823,2550.11%+773
PHREESIA INC2,417,5002,282,500-135,00051,25152,0181.69%+767
ESSA PHARMA INC677,005677,00503,5614,1030.13%+542
DYNE THERAPEUTICS INC(DYN)461,028461,028016,27016,5600.54%+290
GOSSAMER BIO INC3,266,9603,266,96002,9433,2230.10%+279
GOSSAMER BIO INC0004,7365,0130.16%+277
BEAM THERAPEUTICS INC(BEAM)249,923249,92305,8566,1230.20%+267
PLIANT THERAPEUTICS INC384,996384,99604,1394,3160.14%+177
AUTOLUS THERAPEUTICS PLC1,032,9881,032,98803,5953,7500.12%+155
ACUMEN PHARMACEUTICALS INC2,300,0592,300,05905,5665,7040.19%+138
ACLARIS THERAPEUTICS INC(ACRS)2,753,4952,753,49503,0293,1670.10%+138
COMPUGEN LTD989,990989,99001,6631,7920.06%+129
NEVRO CORP0004834840.02%0
NUVATION BIO INC(NUVB)134,028134,028021130.00%-8
TALPHERA INC316,460316,46002822710.01%-11
KORRO BIO INC35,71935,71901,2101,1940.04%-16
ADAPTIMMUNE THERAPEUTICS PLC2,425,4682,425,46802,3652,3050.07%-59
VINCERX PHARMA INC891,719891,71907226380.02%-84
SPRUCE BIOSCIENCES INC2,609,1252,609,12501,3511,2390.04%-112
INTUITIVE SURGICAL INC298,500270,000-28,500132,788132,6434.32%-145
PHARVARIS N V
COM
756,931756,931014,23014,0180.46%-212
VIGIL NEUROSCIENCE INC471,958471,95801,8881,6050.05%-283
NOVAVAX INC(NVAX)675,000650,000-25,0008,5468,2100.27%-336
MERSANA THERAPEUTICS INC3,046,7823,046,78206,1245,7580.19%-366
ALLAKOS INC1,200,4091,200,40901,2007840.03%-416
KYVERNA THERAPEUTICS INC178,963178,96301,3428750.03%-467
XILIO THERAPEUTICS INC3,003,2593,003,25902,8462,3660.08%-480
SAGIMET BIOSCIENCES INC787,808787,80802,6942,1820.07%-512
JASPER THERAPEUTICS INC404,335459,088+54,7539,1788,6350.28%-543
MACROGENICS INC01,053,647+1,053,64703,4660.11%+3,466
FRESHPET INC(FRPT)0446,500+446,500061,0681.99%+61,068
SPRINGWORKS THERAPEUTICS INC199,855199,85507,5296,4030.21%-1,125
ALIGN TECHNOLOGY INC0114,500+114,500029,1200.95%+29,120
BIOMARIN PHARMACEUTICAL INC(BMRN)151,000151,000012,43210,6140.35%-1,818
LIFESTANCE HEALTH GROUP INC(LFST)4,827,7003,101,000-1,726,70023,70421,7070.71%-1,997
PROTHENA CORP PLC
SHS
625,048625,048012,90110,4570.34%-2,444
STRUCTURE THERAPEUTICS INC(Call)65,6000-65,6002,5760-2,576
TRAVERE THERAPEUTICS INC0002,8880-2,888
APELLIS PHARMACEUTICALS INC
COM
140,70080,000-60,7005,3972,3070.08%-3,090
NEVRO CORP1,381,5001,381,500011,6327,7230.25%-3,910
EDAP TMS S A1,475,0001,568,000+93,0008,0243,9980.13%-4,026
INSMED INC(INSM)808,356683,344-125,01254,16049,8841.62%-4,276
MINERALYS THERAPEUTICS INC(MLYS)378,9320-378,9324,4340-4,434
FULCRUM THERAPEUTICS INC727,6730-727,6734,5120-4,512
NOVO-NORDISK A S(NVO)147,500132,000-15,50021,05415,7170.51%-5,337
BLUEPRINT MEDICINES CORP(Call)57,0000-57,0006,1430-6,143
SAREPTA THERAPEUTICS INC(SRPT)284,000307,500+23,50044,87238,4041.25%-6,468
ACCOLADE INC0160,217+160,21706170.02%+617
DYNAVAX TECHNOLOGIES CORP1,292,637605,013-687,62414,5166,7400.22%-7,776
INSULET CORP(PODD)0134,000+134,000031,1891.01%+31,189
HUMANA INC(HUM)147,408148,000+59255,07946,8781.53%-8,201
KRYSTAL BIOTECH INC(KRYS)105,56955,861-49,70819,38710,1680.33%-9,218
WARBY PARKER INC(WRBY)2,080,0001,439,050-640,95033,40523,5000.76%-9,905
AZENTA INC(AZTA)696,000532,500-163,50036,62425,7940.84%-10,829
JOHNSON & JOHNSON(JNJ)170,00080,000-90,00024,84712,9650.42%-11,882
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