Fund Holdings — Rock Springs Capital Management LP

Total Portfolio Value
$3.31B
Total Bought
$431.61M
Total Sold
$800.83M
Net Transaction
-$369.22M
Filing Period:
Securities
▲▼
SharesValue ($K)
Q1 2024
▲▼
Q2 2024
▲▼
Change
▲▼
Q1 2024
▲▼
Q2 2024
▲▼
Weight (%)
▲▼
Change
▲▼
INSMED INC(INSM)0808,356+808,356054,1601.63%+54,160
ELI LILLY & CO(LLY)103,250121,500+18,25080,324110,0043.32%+29,679
BLUEPRINT MEDICINES CORP2,498,4482,460,417-38,031237,003265,1848.00%+28,181
UNITEDHEALTH GROUP INC(UNH)230,000275,000+45,000113,781140,0474.23%+26,266
JOHNSON & JOHNSON(JNJ)0170,000+170,000024,8470.75%+24,847
ALNYLAM PHARMACEUTICALS INC(ALNY)244,000250,000+6,00036,46660,7501.83%+24,284
STRUCTURE THERAPEUTICS INC412,649999,862+587,21317,68639,2651.18%+21,578
MIRUM PHARMACEUTICALS INC(MIRM)1,856,5641,772,038-84,52646,63760,5861.83%+13,949
INTUITIVE SURGICAL INC298,500298,5000119,128132,7884.01%+13,659
CULLINAN THERAPEUTICS INC(CGEM)0658,338+658,338011,4810.35%+11,481
TRAVERE THERAPEUTICS INC(TVTX)3,424,8184,482,265+1,057,44726,40536,8441.11%+10,439
NUVALENT INC125,302255,989+130,6879,40919,4190.59%+10,010
ARGENX SE(ARGX)229,250229,250090,26098,5872.98%+8,326
MERUS N V1,146,5601,001,073-145,48751,63059,2331.79%+7,604
SPRINGWORKS THERAPEUTICS INC0199,855+199,85507,5290.23%+7,529
REVOLUTION MEDICINES INC(RVMD)923,681943,195+19,51429,77036,6051.10%+6,835
MEREO BIOPHARMA GROUP PLC(MREO)8,142,1099,283,492+1,141,38326,86933,4211.01%+6,552
NOVAVAX INC(NVAX)537,625675,000+137,3752,5708,5460.26%+5,976
APELLIS PHARMACEUTICALS INC
COM
0140,700+140,70005,3970.16%+5,397
WARBY PARKER INC(WRBY)2,080,0002,080,000028,30933,4051.01%+5,096
BIOCRYST PHARMACEUTICALS INC(BCRX)3,496,2563,619,258+123,00217,76122,3670.67%+4,606
AGILON HEALTH INC(AGL)8,835,0008,900,000+65,00053,89458,2061.76%+4,313
PERSPECTIVE THERAPEUTICS INC(CATX)0401,196+401,19604,0000.12%+4,000
HUMANA INC(HUM)147,408147,408051,10955,0791.66%+3,970
DYNE THERAPEUTICS INC(DYN)451,824461,028+9,20412,82716,2700.49%+3,442
ENLIVEN THERAPEUTICS INC428,571428,57107,53910,0160.30%+2,477
SAREPTA THERAPEUTICS INC(SRPT)327,600284,000-43,60042,41144,8721.35%+2,461
NOVO-NORDISK A S(NVO)147,500147,500018,93921,0540.64%+2,115
ZAI LAB LTD(ZLAB)1,297,1231,297,873+75020,78022,4920.68%+1,712
XILIO THERAPEUTICS INC(XLO)1,440,7593,003,259+1,562,5001,5562,8460.09%+1,290
KORRO BIO INC(KRRO)035,719+35,71901,2100.04%+1,210
ALLAKOS INC01,200,409+1,200,40901,2000.04%+1,200
BEAM THERAPEUTICS INC(BEAM)147,510249,923+102,4134,8745,8560.18%+982
AURINIA PHARMACEUTICALS INC(AUPH)1,150,3471,179,740+29,3935,7636,7360.20%+973
GOSSAMER BIO INC(GOSS)0003,8454,7360.14%+891
KRYSTAL BIOTECH INC(KRYS)103,969105,569+1,60018,49919,3870.59%+887
VIGIL NEUROSCIENCE INC471,958471,95801,6091,8880.06%+278
LEAP THERAPEUTICS INC(CYPH)911,9371,266,546+354,6092,4262,4820.07%+57
TRAVERE THERAPEUTICS INC0002,8422,8880.09%+46
NEVRO CORP0004744830.01%+9
NUVATION BIO INC(NUVB)134,028134,028041210.00%-19
TALPHERA INC(TLPH)316,460316,46003262820.01%-44
ACLARIS THERAPEUTICS INC(ACRS)2,753,4952,753,49503,4143,0290.09%-385
BIOMARIN PHARMACEUTICAL INC(BMRN)148,832151,000+2,16812,99912,4320.38%-567
CRINETICS PHARMACEUTICALS IN(CRNX)289,400289,400013,54712,9620.39%-585
CHARLES RIV LABS INTL INC(CRL)48,50060,250+11,75013,14112,4460.38%-695
SPRUCE BIOSCIENCES INC2,609,1252,609,12502,0511,3510.04%-700
GOSSAMER BIO INC(GOSS)3,266,9603,266,96003,8552,9430.09%-912
VERA THERAPEUTICS INC(VERA)341,168381,192+40,02414,71113,7920.42%-920
RENEO PHARMACEUTICALS INC751,7300-751,7301,2480—-1,248
NEUMORA THERAPEUTICS INC.(NMRA)646,118760,007+113,8898,8847,4710.23%-1,413
ADAPTIMMUNE THERAPEUTICS PLC(ADAPY)2,425,4682,425,46803,8322,3650.07%-1,468
SAGIMET BIOSCIENCES INC(SGMT)770,671787,808+17,1374,1772,6940.08%-1,483
AMICUS THERAPEUTICS INC
COM
1,152,6561,218,580+65,92413,57812,0880.36%-1,490
PLIANT THERAPEUTICS INC(PLRX)384,996384,99605,7364,1390.12%-1,598
COMPUGEN LTD(CGEN)1,289,990989,990-300,0003,3281,6630.05%-1,665
NEUROCRINE BIOSCIENCES INC(NBIX)0001,8070—-1,807
BIOMEA FUSION INC(BMEA)181,147181,14702,7088150.02%-1,893
PULMONX CORP(LUNG)652,400652,40006,0484,1360.12%-1,912
ESSA PHARMA INC677,005677,00505,7483,5610.11%-2,187
FULCRUM THERAPEUTICS INC(FULC)727,673727,67306,8694,5120.14%-2,358
BIOHAVEN LTD(BHVN)126,984127,558+5746,9454,4280.13%-2,517
PROTHENA CORP PLC
SHS
625,048625,048015,48212,9010.39%-2,581
JASPER THERAPEUTICS INC(JSPR)404,335404,335011,8719,1780.28%-2,693
IRHYTHM TECHNOLOGIES INC(IRTC)392,250397,500+5,25045,50142,7871.29%-2,714
EDAP TMS S A(FOCL)1,475,0001,475,000010,8418,0240.24%-2,817
AMYLYX PHARMACEUTICALS INC(AMLX)1,011,4120-1,011,4122,8720—-2,872
APPLIED THERAPEUTICS INC1,497,9181,555,004+57,08610,1867,2620.22%-2,924
AUTOLUS THERAPEUTICS PLC(AUTL)1,032,9881,032,98806,5903,5950.11%-2,996
KYVERNA THERAPEUTICS INC(KYTX)178,963178,96304,4451,3420.04%-3,103
PHARVARIS N V
COM
752,924756,931+4,00717,40014,2300.43%-3,170
NEVRO CORP1,065,0001,381,500+316,50015,37911,6320.35%-3,746
ACUMEN PHARMACEUTICALS INC(ABOS)2,300,0592,300,05909,3155,5660.17%-3,749
VINCERX PHARMA INC891,719891,71904,5127220.02%-3,790
ULTRAGENYX PHARMACEUTICAL IN(RARE)1,774,9381,924,072+149,13482,87279,0792.39%-3,792
ASCENDIS PHARMA A/S(ASND)290,000290,000043,83939,5501.19%-4,289
XENON PHARMACEUTICALS INC(XENE)1,255,5771,272,877+17,30054,05349,6291.50%-4,423
AZENTA INC(AZTA)694,750696,000+1,25041,88036,6241.11%-5,256
PHREESIA INC(PHR)2,365,0002,417,500+52,50056,59451,2511.55%-5,343
COMPASS THERAPEUTICS INC(CMPX)5,513,7885,513,788010,9175,5140.17%-5,404
LEGEND BIOTECH CORP(LEGN)499,486505,786+6,30028,01622,4010.68%-5,615
LIFESTANCE HEALTH GROUP INC(LFST)4,780,0004,827,700+47,70029,49323,7040.72%-5,789
MINERALYS THERAPEUTICS INC(MLYS)792,615378,932-413,68310,2334,4340.13%-5,799
CELLDEX THERAPEUTICS INC NEW(CLDX)1,372,1851,398,994+26,80957,59151,7771.56%-5,814
IMMUNOVANT INC(IMVT)1,150,1231,185,654+35,53137,16031,3010.94%-5,859
DYNAVAX TECHNOLOGIES CORP1,675,4741,292,637-382,83720,79314,5160.44%-6,276
WEST PHARMACEUTICAL SVSC INC(WST)137,250145,500+8,25054,31147,9261.45%-6,385
AGIOS PHARMACEUTICALS INC(AGIO)1,764,5051,044,261-720,24451,59445,0291.36%-6,566
CG ONCOLOGY INC(CGON)170,8590-170,8597,5010—-7,501
MERSANA THERAPEUTICS INC3,046,7823,046,782013,6506,1240.18%-7,526
MADRIGAL PHARMACEUTICALS INC(MDGL)285,931245,499-40,43276,35568,7792.08%-7,576
AKERO THERAPEUTICS INC1,299,8881,074,261-225,62732,83525,2020.76%-7,633
PACIRA BIOSCIENCES INC(PCRX)1,055,500785,000-270,50030,84222,4590.68%-8,383
IMMATICS N.V(IMTX)848,7510-848,7518,9200—-8,920
INSPIRE MED SYS INC(INSP)130,500130,000-50028,03017,3980.53%-10,632
EDWARDS LIFESCIENCES CORP647,300550,000-97,30061,85650,8041.53%-11,052
OSCAR HEALTH INC(OSCR)2,110,0001,251,500-858,50031,37619,7990.60%-11,577
INOZYME PHARMA INC3,681,1743,698,374+17,20028,19816,4950.50%-11,703
RHYTHM PHARMACEUTICALS INC(RYTM)1,522,8931,280,493-242,40065,98752,5771.59%-13,410
ACADIA HEALTHCARE COMPANY IN(ACHC)1,177,5001,177,500093,28279,5282.40%-13,753
Page 1 of 2
Rock Springs Capital Management LP — 13F Holdings — Q2 2024 | TickerTrail