Fund Holdings — DEERFIELD MANAGEMENT COMPANY, L.P.

Total Portfolio Value:
$8.48B
Total Bought:
$893.40M
Total Sold:
$681.76M
Net Transaction:
+$211.64M
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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Nuvalent Inc17,248,45017,248,4500$1.74B$1.77B20.85%+$32.08M
Brookdale Senior Living Inc.NOTE 3 500 10 1(BKD)000$427.49M$505.44M5.96%+$77.95M
Cogent Biosciences, Inc.(COGT)9,043,9039,043,9030$321.24M$348.10M4.11%+$26.86M
Praxis Precision Medicines, Inc.(PRAX)903,351963,351+60,000$266.25M$310.38M3.66%+$44.13M
Viatris Inc.(VTRS)20,206,17020,206,1700$251.57M$272.99M3.22%+$21.42M
United Therapeutics Corporation(UTHR)425,993457,000+31,007$207.57M$270.99M3.20%+$63.43M
Revolution Medicines, Inc.(RVMD)2,894,6132,297,000-597,613$230.56M$223.38M2.64%-$7.17M
Mirum Pharmaceuticals, Inc.NOTE 4 000 5 0(MIRM)000$180.71M$209.44M2.47%+$28.73M
Arrowhead Pharmaceuticals, Inc.NOTE 1 1(ARWR)000$0$207.18M2.44%+$207.18M
Celcuity Inc.(CELC)1,714,0001,714,0000$170.95M$195.64M2.31%+$24.68M
Centene Corporation(CNC)6,447,9985,917,091-530,907$265.34M$193.73M2.29%-$71.61M
Larimar Therapeutics, Inc.(LRMR)30,606,97435,606,974+5,000,000$116.61M$160.23M1.89%+$43.62M
Brookdale Senior Living Inc.(BKD)11,637,03211,637,0320$125.56M$159.19M1.88%+$33.63M
Vera Therapeutics, Inc.CL A(VERA)4,059,6953,722,100-337,595$205.58M$149.74M1.77%-$55.84M
Ionis Pharmaceuticals, Inc.(IONS)1,979,6691,979,6690$156.61M$148.65M1.75%-$7.96M
BioCryst Pharmaceuticals, Inc.(BCRX)14,341,00015,038,000+697,000$111.86M$143.16M1.69%+$31.30M
Inspire Medical Systems, Inc.(INSP)1,505,8722,703,238+1,197,366$138.89M$139.43M1.64%+$546.4K
Legend Biotech CorporationADS(LEGN)5,932,0007,687,638+1,755,638$128.96M$139.07M1.64%+$10.11M
AdaptHealth Corp.(AHCO)11,477,73011,477,7300$114.32M$136.58M1.61%+$22.27M
Newamsterdam Pharma Company
ORDINARY SHARES
4,164,7894,264,789+100,000$146.10M$136.52M1.61%-$9.58M
Acadia Healthcare Company, Inc.(ACHC)4,520,0004,520,0000$64.14M$105.72M1.25%+$41.58M
Arrowhead Pharmaceuticals, Inc.(ARWR)1,832,9461,573,297-259,649$121.69M$98.65M1.16%-$23.04M
Catalyst Pharmaceuticals Inc4,911,1613,943,600-967,561$114.63M$97.64M1.15%-$16.98M
Indivior Pharmaceuticals, Inc.(INDV)03,097,790+3,097,790$0$94.42M1.11%+$94.42M
Xenon Pharmaceuticals Inc.(XENE)542,0201,615,696+1,073,676$24.29M$93.95M1.11%+$69.66M
Ionis Pharmaceuticals, Inc.NOTE 1 750 6 1(IONS)000$95.33M$90.61M1.07%-$4.71M
Pharvaris N V
COM
3,126,0423,126,0420$86.75M$88.31M1.04%+$1.56M
Syndax Pharmaceuticals, Inc.(SNDX)03,779,900+3,779,900$0$88.30M1.04%+$88.30M
Tango Therapeutics, Inc.(TNGX)2,906,9464,146,813+1,239,867$25.76M$86.75M1.02%+$61.00M
Alignment Healthcare, Inc.NOTE 4 250 11 1(ALHC)000$92.55M$85.86M1.01%-$6.69M
Dianthus Therapeutics, Inc.(DNTH)01,019,813+1,019,813$0$85.58M1.01%+$85.58M
Pfizer Inc.(PFE)03,040,000+3,040,000$0$85.36M1.01%+$85.36M
Neurocrine Biosciences, Inc.(NBIX)1,184,345610,000-574,345$167.98M$80.36M0.95%-$87.61M
Day One Biopharmaceuticals I
COM
3,723,1313,723,1310$34.70M$79.82M0.94%+$45.12M
Savara Inc.(SVRA)13,569,00013,569,0000$81.82M$74.09M0.87%-$7.73M
Zenas BioPharma, Inc.NOTE 2 500 4 0(ZBIO)000$0$67.25M0.79%+$67.25M
Enhabit Inc
COM
4,747,7464,747,7460$43.77M$66.90M0.79%+$23.12M
NeoGenomics, Inc.NOTE 0 250 1 1(NEO)000$64.69M$66.65M0.79%+$1.96M
Genmab A/SADS(GMAB)02,462,000+2,462,000$0$66.06M0.78%+$66.06M
Bio Rad Labs IncCL A226,070226,0700$68.50M$63.02M0.74%-$5.48M
Lantheus Holdings, Inc.(LNTH)827,999827,9990$55.10M$62.80M0.74%+$7.70M
ARS Pharmaceuticals, Inc.(SPRY)7,503,8127,503,8120$87.42M$60.26M0.71%-$27.16M
Stoke Therapeutics, Inc.(STOK)1,823,5001,823,5000$57.88M$59.37M0.70%+$1.50M
Envista Holdings Corporation(NVST)2,280,4982,210,100-70,398$49.51M$56.07M0.66%+$6.56M
IDEAYA Biosciences, Inc.(IDYA)2,153,0431,530,008-623,035$74.43M$50.98M0.60%-$23.45M
Belite Bio, IncADS(BLTE)233,813304,013+70,200$37.40M$48.47M0.57%+$11.07M
BioMarin Pharmaceutical Inc.(BMRN)0851,556+851,556$0$48.10M0.57%+$48.10M
Kymera Therapeutics, Inc.(KYMR)561,170561,1700$43.66M$46.74M0.55%+$3.08M
Certara, Inc.(CERT)7,808,6057,808,6050$68.79M$44.51M0.53%-$24.28M
BridgeBio Oncology Therapeutics, Inc.(BBOT)4,885,4464,885,4460$61.17M$43.72M0.52%-$17.44M
Disc Medicine, Inc.(IRON)511,163657,000+145,837$40.59M$42.01M0.50%+$1.42M
LivaNova PLCNOTE 2 500 3 1(LIVN)000$39.73M$40.03M0.47%+$307.6K
Sionna Therapeutics, Inc.(SION)970,590970,5900$39.93M$38.91M0.46%-$1.02M
CareDx, Inc.(CDNA)2,191,0002,191,0000$41.28M$38.04M0.45%-$3.24M
Structure Therapeutics IncADS767,993767,9930$53.41M$37.02M0.44%-$16.40M
Immunocore Holdings plcNOTE 2 500 2 0(IMCR)000$27.08M$27.03M0.32%-$56.7K
Veracyte, Inc.(VCYT)726,000726,0000$30.56M$23.38M0.28%-$7.18M
Alnylam Pharmaceuticals, Inc.(ALNY)67,93567,9350$27.01M$22.48M0.27%-$4.54M
Embecta Corp.(EMBC)2,752,0312,534,961-217,070$32.69M$22.41M0.26%-$10.29M
Tyra Biosciences, Inc.(TYRA)0549,000+549,000$0$21.03M0.25%+$21.03M
Foghorn Therapeutics Inc.(FHTX)3,649,2114,394,367+745,156$19.71M$21.01M0.25%+$1.30M
Bright Minds Biosciences Inc.(DRUG)0283,000+283,000$0$20.65M0.24%+$20.65M
Compass Therapeutics, Inc.(CMPX)3,606,0003,606,0000$19.36M$19.08M0.23%-$288.5K
Monopar Therapeutics Inc.(MNPR)170,558323,745+153,187$11.14M$17.74M0.21%+$6.60M
Kyverna Therapeutics, Inc.(KYTX)2,000,0002,000,0000$18.80M$17.26M0.20%-$1.54M
SpyGlass Pharma, Inc.(SGP)0550,000+550,000$0$14.25M0.17%+$14.25M
Beta Bionics, Inc.(BBNX)938,3081,324,000+385,692$28.59M$13.27M0.16%-$15.32M
Taysha Gene Therapies, Inc.(TSHA)2,722,1652,722,1650$14.97M$12.17M0.14%-$2.80M
DFP Healthcare Acquisitions Cor(DFPH)3,360,0523,360,0520$11.96M$10.32M0.12%-$1.65M
Cullinan Therapeutics, Inc.(CGEM)386,169386,1690$4.00M$5.49M0.06%+$1.49M
Annexon, Inc.(ANNX)583,913583,9130$2.93M$3.23M0.04%+$303.6K
Alector Inc1,055,1921,055,1920$1.65M$2.27M0.03%+$622.6K
Newamsterdam Pharma CompanyW EXP 99 99 999
*W EXP 99/99/999
92,78792,7870$2.13M$1.86M0.02%-$274.6K
Edwards Lifesciences Corp13,70213,7020$1.17M$1.10M0.01%-$70.8K
Tessera Defense and Homeland Security Inc.(HLSQ)131,270131,272+2$245.5K$492.8K0.01%+$247.3K
Veradermics, Incorporated(MANE)05,000+5,000$0$315.8K0.00%+$315.8K
Humana Inc.(HUM)9179170$234.9K$159.0K0.00%-$75.9K
DFP Healthcare Acquisitions CorW EXP 99 99 999(DFPH)1,250,0001,250,0000$150.6K$54.8K0.00%-$95.9K
Quantum-Si incorporatedW EXP 06 10 202(QSI)333,333333,3330$66.8K$36.2K0.00%-$30.6K
PMV Pharmaceuticals, Inc.(PMVP)8,7908,7900$11.0K$10.9K0.00%-$88
Surrozen, Inc.W EXP 08 01 203(SRZN)166,666166,6660$3.3K$2.7K0.00%-$666
Myriad Genetics, Inc.(MYGN)5055050$3.1K$2.3K0.00%-$833
10x Genomics, Inc.CL A(TXG)126,5740-126,574$2.06M$0—-$2.06M
Abbott Labs11,4490-11,449$1.43M$0—-$1.43M
AbbVie Inc.(ABBV)2,0140-2,014$460.2K$0—-$460.2K
Abeona Therapeutics Inc.(ABEO)40,0000-40,000$210.8K$0—-$210.8K
Addus Homecare Corp15,8710-15,871$1.70M$0—-$1.70M
Align Technology Inc11,0000-11,000$1.72M$0—-$1.72M
Alignment Healthcare, Inc.(ALHC)164,3450-164,345$3.25M$0—-$3.25M
Alphatec Holdings, Inc.(ATEC)57,2770-57,277$1.21M$0—-$1.21M
Amphastar Pharmaceuticals, Inc.(AMPH)14,8520-14,852$397.7K$0—-$397.7K
Arvinas, Inc.(ARVN)68,0570-68,057$807.2K$0—-$807.2K
AtriCure, Inc.(ATRC)52,0760-52,076$2.06M$0—-$2.06M
Avanos Med Inc167,0610-167,061$1.88M$0—-$1.88M
Azenta, Inc.(AZTA)25,8350-25,835$859.3K$0—-$859.3K
BellRing Brands, Inc.(BRBR)11,9960-11,996$320.7K$0—-$320.7K
Biolife Solutions Inc120,2110-120,211$2.91M$0—-$2.91M
Boston Scientific Corporation(BSX)24,9410-24,941$2.38M$0—-$2.38M
Butterfly Network, Inc.W EXP 02 12 202(BFLY)733,3330-733,333$12.9K$0—-$12.9K
CalciMedica, Inc.(CALC)1,300,0000-1,300,000$8.57M$0—-$8.57M
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