Fund Holdings — RTW INVESTMENTS, LP

Total Portfolio Value:
$10.05B
Total Bought:
$1.93B
Total Sold:
$1.13B
Net Transaction:
+$799.35M
Notable People:
Roderick Tze Ian Wong, Rtw Investments Gp, Llc, Peter M Fong
Securities
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SharesValue
Q4 2025
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Q1 2026
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Change
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Q4 2025
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Q1 2026
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Weight (%)
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Change
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Madrigal Pharmaceuticals, Inc.(MDGL)1,993,6871,993,6870$1.16B$1.04B10.38%-$117.37M
Insmed Incorporated(INSM)4,842,8794,842,880+1$842.85M$791.91M7.88%-$50.95M
Protagonist Therapeutics Inc5,059,0535,059,0530$441.86M$533.22M5.31%+$91.37M
PTC Therapeutics, Inc.(PTCT)7,746,4157,746,4150$588.42M$527.76M5.25%-$60.65M
argenx SEADR(ARGX)673,497709,446+35,949$566.38M$518.07M5.16%-$48.30M
CG Oncology, Inc.(CGON)2,012,1276,984,808+4,972,681$83.54M$472.73M4.70%+$389.19M
Celcuity Inc.(CELC)550,1603,039,621+2,489,461$54.87M$346.94M3.45%+$292.07M
Tango Therapeutics, Inc.(TNGX)1,491,22813,300,620+11,809,392$13.21M$278.25M2.77%+$265.04M
Erasca, Inc.(ERAS)146,65116,157,175+16,010,524$545.5K$261.42M2.60%+$260.88M
Natera, Inc.(NTRA)1,500,0001,250,000-250,000$343.63M$249.99M2.49%-$93.65M
RadNet, Inc.(RDNT)3,938,5004,285,000+346,500$281.01M$239.49M2.38%-$41.52M
Tarsus Pharmaceuticals, Inc.(TARS)3,335,3203,346,025+10,705$273.10M$234.72M2.34%-$38.37M
Apogee Therapeutics Inc2,712,0972,782,097+70,000$204.71M$234.17M2.33%+$29.46M
Spyre Therapeutics, Inc.(SYRE)4,171,9964,171,9960$136.67M$210.44M2.09%+$73.76M
Cogent Biosciences, Inc.(COGT)7,592,2415,458,675-2,133,566$269.68M$210.10M2.09%-$59.57M
iRhythm Holdings, Inc.(IRTC)1,181,9901,668,500+486,510$209.73M$196.92M1.96%-$12.82M
Stoke Therapeutics, Inc.(STOK)5,546,8565,623,525+76,669$176.06M$183.10M1.82%+$7.04M
Cytokinetics, Incorporated(CYTK)2,721,1582,721,1580$172.90M$179.35M1.78%+$6.45M
Acadia Pharmaceuticals Inc7,144,5247,144,5240$190.83M$159.04M1.58%-$31.79M
Establishment Labs Holdings Inc.(ESTA)2,588,8312,655,695+66,864$188.67M$150.79M1.50%-$37.88M
Apellis Pharmaceuticals Inc
COM
7,666,7643,685,045-3,981,719$192.59M$148.25M1.48%-$44.34M
Immunocore Holdings plcADS(IMCR)4,869,7984,869,7980$169.03M$146.82M1.46%-$22.21M
Repligen Corporation(RGEN)1,064,0001,206,000+142,000$174.35M$142.09M1.41%-$32.26M
Neurocrine Biosciences, Inc.(NBIX)1,062,0721,062,0720$150.63M$139.92M1.39%-$10.72M
Guardant Health, Inc.(GH)1,481,0331,481,0330$151.27M$136.80M1.36%-$14.47M
Immatics N.V.SHS(IMTX)11,433,35412,869,340+1,435,986$120.05M$126.63M1.26%+$6.58M
Zai Lab LimitedADR(ZLAB)6,959,0326,574,032-385,000$122.76M$123.66M1.23%+$900.2K
Belite Bio, IncADS(BLTE)715,332715,3320$114.42M$114.05M1.13%-$372.0K
Intuitive Surgical, Inc.(ISRG)101,228220,000+118,772$57.33M$101.42M1.01%+$44.09M
Oruka Therapeutics, Inc.(ORKA)2,058,1482,058,1480$62.38M$100.95M1.00%+$38.57M
GH Research PLC(GHRS)5,933,8155,933,8150$75.36M$83.43M0.83%+$8.07M
Xencor, Inc.(XNCR)6,777,4616,777,4610$103.76M$81.74M0.81%-$22.03M
UroGen Pharma Ltd.(URGN)4,543,8954,543,8950$106.42M$81.70M0.81%-$24.72M
Centessa Pharmaceuticals PlcADS1,790,8372,054,175+263,338$44.79M$81.59M0.81%+$36.80M
Immunovant, Inc.(IMVT)3,177,8503,177,849-1$80.78M$78.94M0.79%-$1.84M
Ultragenyx Pharmaceutical Inc.(RARE)3,000,1393,648,795+648,656$69.00M$76.44M0.76%+$7.44M
Hinge Health, Inc.CL A(HNGE)353,5001,930,000+1,576,500$16.42M$74.42M0.74%+$58.00M
Castle Biosciences, Inc.(CSTL)2,115,2372,758,335+643,098$82.28M$67.72M0.67%-$14.57M
Rocket Pharmaceuticals, Inc.(RCKT)17,687,77217,687,7720$62.08M$63.32M0.63%+$1.24M
Taysha Gene Therapies, Inc.(TSHA)16,398,29713,680,248-2,718,049$90.19M$61.15M0.61%-$29.04M
Alkermes plcSHS(ALKS)1,672,3561,672,3560$46.79M$59.13M0.59%+$12.34M
COMPASS Pathways plcADS(CMPS)8,757,39010,632,390+1,875,000$60.43M$58.80M0.59%-$1.63M
Kodiak Sciences Inc.(KOD)1,487,9331,487,934+1$41.60M$56.72M0.56%+$15.12M
Replimune Group, Inc.(REPL)7,140,3527,356,916+216,564$69.40M$56.28M0.56%-$13.12M
Crinetics Pharmaceuticals In1,351,3261,451,326+100,000$62.90M$52.71M0.52%-$10.19M
uniQure N.V.SHS(QURE)3,711,4622,586,356-1,125,106$88.82M$42.29M0.42%-$46.53M
Waystar Holding Corp.(WAY)01,630,000+1,630,000$0$39.30M0.39%+$39.30M
Arrowhead Pharmaceuticals, Inc.(ARWR)584,716585,682+966$38.82M$36.72M0.37%-$2.10M
Orchestra BioMed Holdings, Inc.(OBIO)8,306,0638,306,0630$34.47M$35.30M0.35%+$830.6K
Verastem, Inc.(VSTM)6,576,3066,576,3060$50.77M$34.85M0.35%-$15.91M
Evommune, Inc.(EVMN)1,283,6711,502,235+218,564$21.98M$34.54M0.34%+$12.56M
Stryker Corporation(SYK)245,000100,000-145,000$86.11M$32.86M0.33%-$53.25M
Savara Inc.(SVRA)5,952,3805,952,3800$35.89M$32.50M0.32%-$3.39M
Candel Therapeutics, Inc.(CADL)06,422,018+6,422,018$0$31.47M0.31%+$31.47M
Aquestive Therapeutics Inc6,250,0007,426,471+1,176,471$40.38M$30.82M0.31%-$9.56M
Aktis Oncology, Inc.(AKTS)01,592,043+1,592,043$0$28.48M0.28%+$28.48M
Neurogene Inc.(NGNE)1,362,4561,362,4560$28.07M$27.47M0.27%-$599.5K
Cullinan Therapeutics, Inc.(CGEM)1,705,9601,705,9600$17.66M$24.24M0.24%+$6.59M
Compass Therapeutics, Inc.(CMPX)2,500,0004,186,599+1,686,599$13.43M$22.15M0.22%+$8.72M
Dianthus Therapeutics, Inc.(DNTH)0248,063+248,063$0$20.82M0.21%+$20.82M
Fulgent Genetics, Inc.(FLGT)705,0271,289,000+583,973$18.52M$20.50M0.20%+$1.97M
Beta Bionics, Inc.(BBNX)2,500,0002,000,000-500,000$76.17M$20.04M0.20%-$56.13M
Kymera Therapeutics, Inc.(KYMR)240,000240,0000$18.67M$19.99M0.20%+$1.32M
Century Therapeutics, Inc.(IPSC)08,695,652+8,695,652$0$19.65M0.20%+$19.65M
Beam Therapeutics Inc.(BEAM)570,394570,3940$15.81M$13.59M0.14%-$2.22M
Avalo Therapeutics, Inc.(AVTX)0856,962+856,962$0$12.79M0.13%+$12.79M
Ocugen, Inc.(OCGN)06,666,666+6,666,666$0$12.07M0.12%+$12.07M
Heartflow, Inc.(HTFL)495,000495,0000$14.43M$12.04M0.12%-$2.39M
Wave Life Sciences, Inc.SHS(WVE)1,350,0001,350,0000$22.95M$9.79M0.10%-$13.16M
Perceptive Cap Solutions CorCL A
CL A ORD SHS
742,500742,5000$9.67M$8.15M0.08%-$1.53M
Jade Biosciences Inc1,449,273573,205-876,068$22.36M$8.05M0.08%-$14.31M
Capricor Therapeutics, Inc.(CAPR)250,000250,0000$7.21M$7.60M0.08%+$385.0K
Milestone Pharmaceuticals Inc.(MIST)2,506,1026,331,001+3,824,899$5.06M$7.53M0.07%+$2.47M
Kalaris Therapeutics, Inc.(KLRS)1,300,0001,300,0000$10.97M$7.50M0.07%-$3.47M
Inventiva S.A.ADS(IVA)1,298,7011,298,702+1$6.04M$7.21M0.07%+$1.17M
Ataibeckley Inc02,000,000+2,000,000$0$7.08M0.07%+$7.08M
Crescent Biopharma, Inc.(CBIO)372,856372,8560$4.42M$6.85M0.07%+$2.43M
Larimar Therapeutics, Inc.(LRMR)3,125,0001,500,000-1,625,000$11.91M$6.75M0.07%-$5.16M
Tenax Therapeutics, Inc.(TENX)378,346370,246-8,100$4.61M$5.92M0.06%+$1.31M
Definium Therapeutics, Inc.(DFTX)0300,000+300,000$0$5.67M0.06%+$5.67M
Lumexa Imaging Holdings, Inc.(LMRI)650,000650,0000$12.03M$5.59M0.06%-$6.43M
4d Molecular Therapeutics In475,737475,7370$3.57M$4.43M0.04%+$861.1K
Medline Inc.CL A(MDLN)70,00070,0000$2.94M$3.12M0.03%+$175.0K
Omada Health, Inc.(OMDA)200,000200,0000$3.16M$2.51M0.03%-$642.0K
Disc Medicine, Inc.(IRON)30,00030,0000$2.38M$1.92M0.02%-$464.1K
ImageneBio, Inc.(IMA)334,445334,4450$2.31M$1.67M0.02%-$635.4K
Exagen Inc.(XGN)790,462395,231-395,231$4.81M$1.19M0.01%-$3.62M
Rocket Pharmaceuticals, Inc.W EXP 09 02 202(RCKT)350,000350,0000$8.5K$7.2K0.00%-$1.3K
Allurion Technologies Inc.(ALUR)5,891,4300-5,891,430$7.25M$0—-$7.25M
Atai Beckley NvSHS2,000,0000-2,000,000$8.18M$0—-$8.18M
Axsome Therapeutics, Inc.(AXSM)888,0010-888,001$162.18M$0—-$162.18M
Corvus Pharmaceuticals, Inc.(CRVS)447,6070-447,607$3.45M$0—-$3.45M
Insulet Corporation(PODD)324,6000-324,600$92.26M$0—-$92.26M
IQVIA Holdings Inc.(IQV)46,0000-46,000$10.37M$0—-$10.37M
Masimo Corp683,2940-683,294$88.87M$0—-$88.87M
Mind Medicine Mindmed Inc300,0000-300,000$4.02M$0—-$4.02M
Penumbra, Inc.(PEN)866,4990-866,499$269.40M$0—-$269.40M
Rapt Therapeutics Inc1,637,1650-1,637,165$55.45M$0—-$55.45M
Structure Therapeutics IncADS100,0000-100,000$6.96M$0—-$6.96M
Tempus AI, Inc.CL A(TEM)200,0000-200,000$11.81M$0—-$11.81M
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RTW INVESTMENTS, LP — 13F Holdings — Q1 2026 | TickerTrail