Fund HoldingsRTW INVESTMENTS, LP

Total Portfolio Value
$9.98B
Total Bought
$2.46B
Total Sold
$1.67B
Net Transaction
+$797.86M
Filing Period:
Securities
SharesValue ($K)
Q3 2025
Q4 2025
Change
Q3 2025
Q4 2025
Weight (%)
Change
INSMED INC(INSM)3,084,5584,842,879+1,758,321444,207842,8558.44%+398,647
MADRIGAL PHARMACEUTICALS INC(MDGL)1,993,6871,993,6870914,4241,161,00411.63%+246,579
COGENT BIOSCIENCES INC(COGT)3,467,4867,592,241+4,124,75549,793269,6762.70%+219,883
IRHYTHM TECHNOLOGIES INC(IRTC)01,181,990+1,181,9900209,7322.10%+209,732
APELLIS PHARMACEUTICALS INC
COM
07,666,764+7,666,7640192,5891.93%+192,589
REPLIGEN CORP(RGEN)01,064,000+1,064,0000174,3471.75%+174,347
PTC THERAPEUTICS INC(PTCT)7,746,4157,746,4150475,397588,4185.89%+113,020
APOGEE THERAPEUTICS INC(APGE)2,712,0972,712,0970107,752204,7092.05%+96,957
INSULET CORP(PODD)0324,600+324,600092,2640.92%+92,264
BELITE BIO INC(BLTE)312,500715,332+402,83223,125114,4251.15%+91,300
TARSUS PHARMACEUTICALS INC(TARS)3,177,4363,335,320+157,884188,835273,0962.74%+84,261
ESTABLISHMENT LABS HLDGS INC(ESTA)2,588,8312,588,8310106,116188,6741.89%+82,558
CASTLE BIOSCIENCES INC(CSTL)02,115,237+2,115,237082,2830.82%+82,283
IMMUNOVANT INC(IMVT)03,177,850+3,177,850080,7810.81%+80,781
SPYRE THERAPEUTICS INC(SYRE)3,621,9964,171,996+550,00060,705136,6751.37%+75,970
ARGENX SE(ARGX)673,497673,4970496,744566,3775.67%+69,633
RADNET INC(RDNT)2,815,5443,938,500+1,122,956214,573281,0122.81%+66,439
PROTAGONIST THERAPEUTICS INC5,756,2775,059,053-697,224382,389441,8584.43%+59,468
GUARDANT HEALTH INC(GH)1,481,0331,481,033092,535151,2731.52%+58,738
STOKE THERAPEUTICS INC(STOK)5,123,5255,546,856+423,331120,403176,0571.76%+55,654
CELCUITY INC(CELC)0550,160+550,160054,8730.55%+54,873
PENUMBRA INC(PEN)866,499866,4990219,502269,4032.70%+49,902
ZAI LAB LTD(ZLAB)2,291,3726,959,032+4,667,66077,655122,7571.23%+45,103
IMMATICS N.V(IMTX)8,815,61711,433,354+2,617,73775,109120,0501.20%+44,941
REPLIMUNE GROUP INC(REPL)6,395,7327,140,352+744,62026,79869,4040.70%+42,606
KODIAK SCIENCES INC(KOD)01,487,933+1,487,933041,6030.42%+41,603
ARROWHEAD PHARMACEUTICALS IN(ARWR)0584,716+584,716038,8190.39%+38,819
ACADIA PHARMACEUTICALS INC7,144,5247,144,5240152,464190,8301.91%+38,366
SAVARA INC(SVRA)05,952,380+5,952,380035,8930.36%+35,893
XENCOR INC(XNCR)6,221,0546,777,461+556,40772,973103,7631.04%+30,790
CRINETICS PHARMACEUTICALS IN(CRNX)872,3871,351,326+478,93936,33562,9040.63%+26,569
AXSOME THERAPEUTICS INC(AXSM)1,118,883888,001-230,882135,888162,1851.62%+26,296
ORUKA THERAPEUTICS INC(ORKA)1,945,6492,058,148+112,49937,41562,3820.62%+24,968
CYTOKINETICS INC(CYTK)2,721,1582,721,1580149,555172,9021.73%+23,348
EVOMMUNE INC01,283,671+1,283,671021,9760.22%+21,976
NATERA INC(NTRA)2,000,0001,500,000-500,000321,940343,6353.44%+21,695
KYMERA THERAPEUTICS INC(KYMR)0240,000+240,000018,6740.19%+18,674
FULGENT GENETICS INC0705,027+705,027018,5210.19%+18,521
RAPT THERAPEUTICS INC1,470,4991,637,165+166,66637,92455,4510.56%+17,527
HINGE HEALTH INC(HNGE)0353,500+353,500016,4200.16%+16,420
WAVE LIFE SCIENCES LTD(WVE)900,0001,350,000+450,0006,58822,9500.23%+16,362
BEAM THERAPEUTICS INC(BEAM)0570,394+570,394015,8110.16%+15,811
UROGEN PHARMA LTD(URGN)4,543,8954,543,895090,651106,4181.07%+15,767
CG ONCOLOGY INC(CGON)1,701,2162,012,127+310,91168,52583,5440.84%+15,019
ORCHESTRA BIOMED HLDGS INC8,306,0638,306,063020,59934,4700.35%+13,871
TANGO THERAPEUTICS INC(TNGX)01,491,228+1,491,228013,2120.13%+13,212
LUMEXA IMAGING HOLDINGS INC(LMRI)0650,000+650,000012,0250.12%+12,025
KALARIS THERAPEUTICS INC01,300,000+1,300,000010,9720.11%+10,972
BETA BIONICS INC3,299,1912,500,000-799,19165,55576,1750.76%+10,620
TAYSHA GENE THERAPIES INC(TSHA)24,354,29116,398,297-7,955,99479,63990,1910.90%+10,552
COMPASS PATHWAYS PLC(CMPS)8,707,3908,757,390+50,00049,89360,4260.61%+10,533
IQVIA HLDGS INC(IQV)046,000+46,000010,3690.10%+10,369
JADE BIOSCIENCES INC1,449,2731,449,273012,50722,3620.22%+9,855
ATAI BECKLEY NV02,000,000+2,000,00008,1800.08%+8,180
CULLINAN THERAPEUTICS INC(CGEM)1,705,9601,705,960010,11617,6570.18%+7,540
CAPRICOR THERAPEUTICS INC0250,000+250,00007,2150.07%+7,215
STRUCTURE THERAPEUTICS INC0100,000+100,00006,9550.07%+6,955
INVENTIVA SA(IVA)01,298,701+1,298,70106,0390.06%+6,039
AQUESTIVE THERAPEUTICS INC6,250,0006,250,000034,93840,3750.40%+5,438
COMPASS THERAPEUTICS INC2,500,0002,500,00008,75013,4250.13%+4,675
NEUROGENE INC1,362,4561,362,456023,61128,0670.28%+4,455
CRESCENT BIOPHARMA INC.0372,856+372,85604,4220.04%+4,422
ROCKET PHARMACEUTICALS INC17,687,77217,687,772057,66262,0840.62%+4,422
MIND MEDICINE MINDMED INC0300,000+300,00004,0170.04%+4,017
4D MOLECULAR THERAPEUTICS IN0475,737+475,73703,5680.04%+3,568
MEDLINE INC(MDLN)070,000+70,00002,9400.03%+2,940
VERASTEM INC5,426,3066,576,306+1,150,00047,91450,7690.51%+2,855
DISC MEDICINE INC(IRON)030,000+30,00002,3820.02%+2,382
ALLURION TECHNOLOGIES INC2,542,6035,891,430+3,348,8275,2127,2460.07%+2,034
PERCEPTIVE CAP SOLUTIONS COR
CL A ORD SHS
742,500742,50007,8419,6750.10%+1,834
LARIMAR THERAPEUTICS INC3,125,0003,125,000010,09411,9060.12%+1,813
TENAX THERAPEUTICS INC378,346378,34602,8794,6120.05%+1,733
NEUROCRINE BIOSCIENCES INC(NBIX)1,062,0721,062,0720149,094150,6341.51%+1,540
ERASCA INC(ERAS)0146,651+146,65105460.01%+546
MILESTONE PHARMACEUTICALS IN2,506,1022,506,10205,0125,0620.05%+50
ROCKET PHARMACEUTICALS INC350,000350,00001490.00%-5
ADAGIO MED HLDGS INC209,3610-209,3614060-406
IMAGENEBIO INC334,445334,44502,7262,3080.02%-418
OMADA HEALTH INC(OMDA)200,000200,00004,4223,1560.03%-1,266
HEARTFLOW INC(HTFL)495,000495,000016,66214,4290.14%-2,232
ALKERMES PLC(ALKS)1,672,3561,672,356050,17146,7930.47%-3,378
GH RESEARCH PLC(GHRS)5,569,5645,933,815+364,25179,64575,3590.75%-4,285
TEMPUS AI INC(TEM)200,000200,000016,14211,8100.12%-4,332
PEPGEN INC1,500,0000-1,500,0006,9300-6,930
IMMUNOCORE HLDGS PLC(IMCR)4,869,7984,869,7980176,920169,0311.69%-7,889
CENTESSA PHARMACEUTICALS PLC2,291,7471,790,837-500,91055,57544,7890.45%-10,786
CYTOMX THERAPEUTICS INC3,461,5000-3,461,50011,0420-11,042
MASIMO CORP683,294683,2940100,82088,8690.89%-11,951
EXAGEN INC1,696,866790,462-906,40418,6494,8060.05%-13,843
CORVUS PHARMACEUTICALS INC(CRVS)2,679,479447,607-2,231,87219,7483,4470.03%-16,301
ALECTOR INC6,990,8060-6,990,80620,6930-20,693
ULTRAGENYX PHARMACEUTICAL IN(RARE)3,258,2663,000,139-258,12798,00969,0030.69%-29,005
GE HEALTHCARE TECHNOLOGIES I(GEHC)393,5000-393,50029,5520-29,552
ABIVAX SA(ABVX)350,0000-350,00029,7150-29,715
INTUITIVE SURGICAL INC202,456101,228-101,22890,54457,3310.57%-33,213
DYNE THERAPEUTICS INC(DYN)2,890,5670-2,890,56736,5660-36,566
LENZ THERAPEUTICS INC863,3890-863,38940,2170-40,217
QUEST DIAGNOSTICS INC(DGX)250,0000-250,00047,6450-47,645
STRYKER CORPORATION(SYK)490,000245,000-245,000181,13886,1100.86%-95,028
UNIQURE NV(QURE)4,424,9683,711,462-713,506258,28588,8150.89%-169,470
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