Fund Holdings — DEERFIELD MANAGEMENT COMPANY, L.P.

Total Portfolio Value
$8.48B
Total Bought
$893.40M
Total Sold
$681.76M
Net Transaction
+$211.64M
Filing Period:
Securities
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SharesValue ($K)
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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ARROWHEAD PHARMACEUTICALS IN(ARWR)0000207,1822.44%+207,182
INDIVIOR PHARMACEUTICALS INC(INDV)03,097,790+3,097,790094,4211.11%+94,421
SYNDAX PHARMACEUTICALS INC(SNDX)03,779,900+3,779,900088,2981.04%+88,298
DIANTHUS THERAPEUTICS INC(DNTH)01,019,813+1,019,813085,5831.01%+85,583
PFIZER INC(PFE)03,040,000+3,040,000085,3631.01%+85,363
BROOKDALE SR LIVING INC(BKD)000427,494505,4415.96%+77,947
XENON PHARMACEUTICALS INC(XENE)542,0201,615,696+1,073,67624,29393,9531.11%+69,659
ZENAS BIOPHARMA INC(ZBIO)000067,2530.79%+67,253
GENMAB A/S(GMAB)02,462,000+2,462,000066,0550.78%+66,055
UNITED THERAPEUTICS CORP DEL(UTHR)425,993457,000+31,007207,565270,9923.20%+63,427
TANGO THERAPEUTICS INC(TNGX)2,906,9464,146,813+1,239,86725,75686,7511.02%+60,996
BIOMARIN PHARMACEUTICAL INC(BMRN)0851,556+851,556048,1040.57%+48,104
DAY ONE BIOPHARMACEUTICALS I
COM
3,723,1313,723,131034,70079,8240.94%+45,124
PRAXIS PRECISION MEDICINES I(PRAX)903,351963,351+60,000266,254310,3823.66%+44,128
LARIMAR THERAPEUTICS INC(LRMR)30,606,97435,606,974+5,000,000116,613160,2311.89%+43,619
ACADIA HEALTHCARE COMPANY IN(ACHC)4,520,0004,520,000064,139105,7231.25%+41,584
BROOKDALE SR LIVING INC(BKD)11,637,03211,637,0320125,564159,1951.88%+33,631
NUVALENT INC17,248,45017,248,45001,735,0221,767,10420.85%+32,082
BIOCRYST PHARMACEUTICALS INC(BCRX)14,341,00015,038,000+697,000111,860143,1621.69%+31,302
MIRUM PHARMACEUTICALS INC(MIRM)000180,708209,4402.47%+28,732
COGENT BIOSCIENCES INC(COGT)9,043,9039,043,9030321,239348,1004.11%+26,860
CELCUITY INC(CELC)1,714,0001,714,0000170,954195,6362.31%+24,682
ENHABIT INC
COM
4,747,7464,747,746043,77466,8960.79%+23,122
ADAPTHEALTH CORP(AHCO)11,477,73011,477,7300114,318136,5851.61%+22,267
VIATRIS INC(VTRS)20,206,17020,206,1700251,567272,9853.22%+21,419
TYRA BIOSCIENCES INC(TYRA)0549,000+549,000021,0270.25%+21,027
BRIGHT MINDS BIOSCIENCES INC(DRUG)0283,000+283,000020,6510.24%+20,651
SPYGLASS PHARMA INC(SGP)0550,000+550,000014,2510.17%+14,251
BELITE BIO INC(BLTE)233,813304,013+70,20037,40148,4720.57%+11,071
LEGEND BIOTECH CORP(LEGN)5,932,0007,687,638+1,755,638128,962139,0691.64%+10,108
LANTHEUS HLDGS INC(LNTH)827,999827,999055,10362,8040.74%+7,700
MONOPAR THERAPEUTICS INC(MNPR)170,558323,745+153,18711,13717,7380.21%+6,601
ENVISTA HOLDINGS CORPORATION(NVST)2,280,4982,210,100-70,39849,51056,0700.66%+6,561
KYMERA THERAPEUTICS INC(KYMR)561,170561,170043,66546,7400.55%+3,075
NEOGENOMICS INC(NEO)00064,69066,6540.79%+1,964
PHARVARIS N V
COM
3,126,0423,126,042086,74888,3111.04%+1,563
STOKE THERAPEUTICS INC(STOK)1,823,5001,823,500057,87859,3730.70%+1,495
CULLINAN THERAPEUTICS INC(CGEM)386,169386,16903,9975,4870.06%+1,491
DISC MEDICINE INC(IRON)511,163657,000+145,83740,59142,0090.50%+1,417
FOGHORN THERAPEUTICS INC(FHTX)3,649,2114,394,367+745,15619,70621,0050.25%+1,299
ALECTOR INC1,055,1921,055,19201,6462,2690.03%+623
INSPIRE MED SYS INC(INSP)1,505,8722,703,238+1,197,366138,887139,4331.64%+546
VERADERMICS INC(MANE)05,000+5,00003160.00%+316
LIVANOVA PLC(LIVN)00039,72640,0330.47%+308
ANNEXON INC(ANNX)583,913583,91302,9313,2350.04%+304
BIOMX INC(PHGE)131,270131,272+22454930.01%+247
PMV PHARMACEUTICALS INC(PMVP)8,7908,790011110.00%-0
SURROZEN INC(SRZN)166,666166,6660330.00%-1
MYRIAD GENETICS INC(MYGN)5055050320.00%-1
BUTTERFLY NETWORK INC(BFLY)733,3330-733,333130—-13
QUANTUM SI INC(QSI)333,333333,333067360.00%-31
NUVATION BIO INC(NUVB)166,6660-166,666550—-55
IMMUNOCORE HLDGS PLC(IMCR)00027,08227,0250.32%-57
EDWARDS LIFESCIENCES CORP13,70213,70201,1681,0970.01%-71
HUMANA INC(HUM)91791702351590.00%-76
THE ONCOLOGY INSTITUTE INC(DFPH)1,250,0001,250,0000151550.00%-96
ABEONA THERAPEUTICS INC(ABEO)40,0000-40,0002110—-211
NATIONAL VISION HLDGS INC(EYE)10,2840-10,2842660—-266
INTUITIVE SURGICAL INC4830-4832740—-274
NEWAMSTERDAM PHARMA COMPANY
*W EXP 99/99/999
92,78792,78702,1341,8590.02%-275
COMPASS THERAPEUTICS INC(CMPX)3,606,0003,606,000019,36419,0760.23%-288
BELLRING BRANDS INC(BRBR)11,9960-11,9963210—-321
STERIS PLC(STE)1,3520-1,3523430—-343
REPLIGEN CORP(RGEN)2,1990-2,1993600—-360
AMPHASTAR PHARMACEUTICALS IN(AMPH)14,8520-14,8523980—-398
HEALTHCARE SVCS GROUP INC(HCSG)21,2590-21,2594060—-406
XERIS BIOPHARMA HOLDINGS INC52,2300-52,2304100—-410
HARROW INC(HROW)8,6930-8,6934260—-426
ABBVIE INC(ABBV)2,0140-2,0144600—-460
INTEGRA LIFESCIENCES HLDGS C(IART)39,2090-39,2094870—-487
RXSIGHT INC(RXST)52,2570-52,2575450—-545
TANDEM DIABETES CARE INC(TNDM)26,0900-26,0905730—-573
SCHRODINGER INC(SDGR)33,9870-33,9876080—-608
COOPER COS INC(COO)7,7860-7,7866380—-638
ZOETIS INC(ZTS)5,6980-5,6987170—-717
ARVINAS INC(ARVN)68,0570-68,0578070—-807
AZENTA INC(AZTA)25,8350-25,8358590—-859
REVVITY INC(RVTY)10,3230-10,3239990—-999
SIONNA THERAPEUTICS INC(SION)970,590970,590039,93038,9110.46%-1,019
INTEGER HLDGS CORP(ITGR)13,3260-13,3261,0450—-1,045
MIMEDX GROUP INC(MDXG)160,4190-160,4191,0860—-1,086
KENVUE INC(KVUE)65,3440-65,3441,1270—-1,127
UFP TECHNOLOGIES INC(UFPT)5,0980-5,0981,1320—-1,132
STAAR SURGICAL CO(STAA)51,8940-51,8941,1980—-1,198
ALPHATEC HLDGS INC(ATEC)57,2770-57,2771,2050—-1,205
STRYKER CORPORATION(SYK)3,5510-3,5511,2480—-1,248
MAXIMUS INC(MMS)16,6060-16,6061,4330—-1,433
ABBOTT LABS11,4490-11,4491,4340—-1,434
HEALTHEQUITY INC(HQY)16,2310-16,2311,4870—-1,487
VAREX IMAGING CORP(VREX)131,7450-131,7451,5350—-1,535
KYVERNA THERAPEUTICS INC(KYTX)2,000,0002,000,000018,80017,2600.20%-1,540
ENCOMPASS HEALTH CORP(EHC)15,2590-15,2591,6200—-1,620
THE ONCOLOGY INSTITUTE INC(DFPH)3,360,0523,360,052011,96210,3150.12%-1,646
NATIONAL HEALTHCARE CORP(NHC)12,0850-12,0851,6570—-1,657
MERIT MED SYS INC(MMSI)18,7980-18,7981,6570—-1,657
ADDUS HOMECARE CORP15,8710-15,8711,7040—-1,704
ALIGN TECHNOLOGY INC11,0000-11,0001,7180—-1,718
SURGERY PARTNERS INC(SGRY)112,6230-112,6231,7400—-1,740
GOODRX HLDGS INC(GDRX)660,1330-660,1331,7890—-1,789
CARDINAL HEALTH INC(CAH)8,9850-8,9851,8460—-1,846
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