Fund HoldingsDEERFIELD MANAGEMENT COMPANY, L.P.

Total Portfolio Value
$7.83B
Total Bought
$1.19B
Total Sold
$1.57B
Net Transaction
-$376.78M
Filing Period:
Securities
SharesValue ($K)
Q3 2025
Q4 2025
Change
Q3 2025
Q4 2025
Weight (%)
Change
BROOKDALE SR LIVING INC(BKD)0000427,4945.46%+427,494
PRAXIS PRECISION MEDICINES I(PRAX)840,851903,351+62,50044,565266,2543.40%+221,689
COGENT BIOSCIENCES INC(COGT)9,053,1189,043,903-9,215130,003321,2394.10%+191,237
MIRUM PHARMACEUTICALS INC(MIRM)0000180,7082.31%+180,708
NUVALENT INC17,991,02417,248,450-742,5741,555,8641,735,02222.16%+179,158
CELCUITY INC(CELC)733,5301,714,000+980,47036,236170,9542.18%+134,718
VERA THERAPEUTICS INC(VERA)3,641,1574,059,695+418,538105,812205,5832.63%+99,771
IONIS PHARMACEUTICALS INC(IONS)000095,3281.22%+95,328
ALIGNMENT HEALTHCARE INC(ALHC)000092,5531.18%+92,553
ARROWHEAD PHARMACEUTICALS IN(ARWR)993,0001,832,946+839,94634,249121,6891.55%+87,441
NEOGENOMICS INC(NEO)000064,6900.83%+64,690
BRIDGEBIO ONCOLOGY THERAPEUT04,885,446+4,885,446061,1660.78%+61,166
INSPIRE MED SYS INC(INSP)1,047,6941,505,872+458,17877,739138,8871.77%+61,148
REVOLUTION MEDICINES INC(RVMD)3,650,3422,894,613-755,729170,471230,5562.94%+60,085
STOKE THERAPEUTICS INC(STOK)01,823,500+1,823,500057,8780.74%+57,878
LANTHEUS HLDGS INC(LNTH)0827,999+827,999055,1030.70%+55,103
SAVARA INC(SVRA)7,964,00013,569,000+5,605,00028,43181,8211.04%+53,390
STRUCTURE THERAPEUTICS INC373,407767,993+394,58610,45553,4140.68%+42,959
LIVANOVA PLC(LIVN)000039,7260.51%+39,726
BELITE BIO INC(BLTE)0233,813+233,813037,4010.48%+37,401
ACADIA HEALTHCARE COMPANY IN(ACHC)1,189,0004,520,000+3,331,00029,44064,1390.82%+34,699
LEGEND BIOTECH CORP(LEGN)05,932,000+5,932,0000128,9621.65%+128,962
UNITED THERAPEUTICS CORP DEL(UTHR)425,993425,9930178,581207,5652.65%+28,985
LANTHEUS HLDGS INC(LNTH)000028,9110.37%+28,911
IONIS PHARMACEUTICALS INC(IONS)1,979,6691,979,6690129,510156,6122.00%+27,102
IMMUNOCORE HLDGS PLC(IMCR)000027,0820.35%+27,082
BROOKDALE SR LIVING INC(BKD)011,637,032+11,637,0320125,5641.60%+125,564
PHARVARIS N V
COM
2,442,4643,126,042+683,57860,93986,7481.11%+25,808
TANGO THERAPEUTICS INC(TNGX)02,906,946+2,906,946025,7560.33%+25,756
NEWAMSTERDAM PHARMA COMPANY
ORDINARY SHARES
4,266,6934,164,789-101,904121,345146,1011.87%+24,756
BIOCRYST PHARMACEUTICALS INC(BCRX)12,169,00014,341,000+2,172,00092,363111,8601.43%+19,497
COMPASS THERAPEUTICS INC03,606,000+3,606,000019,3640.25%+19,364
KYVERNA THERAPEUTICS INC02,000,000+2,000,000018,8000.24%+18,800
LARIMAR THERAPEUTICS INC30,606,97430,606,974098,861116,6131.49%+17,752
CATALYST PHARMACEUTICALS INC4,974,7674,911,161-63,60698,003114,6261.46%+16,624
IDEAYA BIOSCIENCES INC(IDYA)02,153,043+2,153,043074,4310.95%+74,431
SPYRE THERAPEUTICS INC(SYRE)613,665710,626+96,96110,28523,2800.30%+12,995
VIATRIS INC(VTRS)24,099,08320,206,170-3,892,913238,581251,5673.21%+12,986
ARS PHARMACEUTICALS INC07,503,812+7,503,812087,4191.12%+87,419
ADAPTHEALTH CORP11,477,73011,477,7300102,726114,3181.46%+11,593
SIONNA THERAPEUTICS INC970,590970,590028,54539,9300.51%+11,385
KYMERA THERAPEUTICS INC(KYMR)572,258561,170-11,08832,39043,6650.56%+11,275
MEDLINE INC(MDLN)0260,000+260,000010,9200.14%+10,920
CAREDX INC(CDNA)2,191,0002,191,000031,85741,2780.53%+9,421
PHREESIA INC01,999,045+1,999,045033,8240.43%+33,824
EDGEWISE THERAPEUTICS INC(EWTX)0765,694+765,694019,0010.24%+19,001
ENHABIT INC
COM
04,747,746+4,747,746043,7740.56%+43,774
VERACYTE INC(VCYT)726,000726,000024,92430,5650.39%+5,641
BETA BIONICS INC1,168,415938,308-230,10723,21628,5900.37%+5,374
BIO RAD LABS INC226,070226,070063,38868,4970.87%+5,109
CALCIMEDICA INC1,300,0001,300,00003,9998,5670.11%+4,568
VEEVA SYS INC(VEEV)017,711+17,71103,9540.05%+3,954
FOGHORN THERAPEUTICS INC03,649,211+3,649,211019,7060.25%+19,706
MODERNA INC(MRNA)(Put)1,000,0001,000,000025,83029,490+3,660
QUEST DIAGNOSTICS INC(DGX)018,392+18,39203,1920.04%+3,192
LABCORP HOLDINGS INC(LH)013,825+13,82503,4680.04%+3,468
ENVISTA HOLDINGS CORPORATION(NVST)2,294,0362,280,498-13,53846,73049,5100.63%+2,780
PETCO HEALTH & WELLNESS CO I0936,309+936,30902,6310.03%+2,631
VENTAS INC(VTR)354,000354,000024,77627,3930.35%+2,616
THE CIGNA GROUP(CI)09,203+9,20302,5330.03%+2,533
XENON PHARMACEUTICALS INC(XENE)542,020542,020021,76224,2930.31%+2,531
RESMED INC(RMD)010,104+10,10402,4340.03%+2,434
DOXIMITY INC(DOCS)051,942+51,94202,3000.03%+2,300
MASIMO CORP016,147+16,14702,1000.03%+2,100
CARDINAL HEALTH INC(CAH)08,985+8,98501,8460.02%+1,846
GOODRX HLDGS INC(GDRX)0660,133+660,13301,7890.02%+1,789
SURGERY PARTNERS INC(SGRY)0112,623+112,62301,7400.02%+1,740
NEUROCRINE BIOSCIENCES INC(NBIX)1,184,3451,184,3450166,258167,9762.15%+1,717
ADDUS HOMECARE CORP015,871+15,87101,7040.02%+1,704
TRANSMEDICS GROUP INC(TMDX)12,75225,492+12,7401,4313,1010.04%+1,670
INSULET CORP(PODD)4,48010,616+6,1361,3833,0170.04%+1,634
ENCOMPASS HEALTH CORP(EHC)015,259+15,25901,6200.02%+1,620
DAY ONE BIOPHARMACEUTICALS I
COM
4,705,4133,723,131-982,28233,17334,7000.44%+1,526
ALIGNMENT HEALTHCARE INC(ALHC)0164,345+164,34503,2460.04%+3,246
ABBOTT LABS011,449+11,44901,4340.02%+1,434
MAXIMUS INC(MMS)016,606+16,60601,4330.02%+1,433
ENOVIS CORPORATION(ENOV)69,213127,270+58,0572,1003,3900.04%+1,291
ANNEXON INC(ANNX)0583,913+583,91302,9310.04%+2,931
HEALTHEQUITY INC(HQY)016,231+16,23101,4870.02%+1,487
ARVINAS INC068,057+68,05708070.01%+807
DEXCOM INC(DXCM)22,28732,943+10,6561,5002,1860.03%+687
EDWARDS LIFESCIENCES CORP013,702+13,70201,1680.01%+1,168
SCHRODINGER INC(SDGR)033,987+33,98706080.01%+608
CHEMED CORP NEW(CHE)4,6646,215+1,5512,0882,6590.03%+571
NEWAMSTERDAM PHARMA COMPANY
*W EXP 99/99/999
092,787+92,78702,1340.03%+2,134
RXSIGHT INC052,257+52,25705450.01%+545
RADNET INC(RDNT)39,91349,951+10,0383,0423,5640.05%+522
STRYKER CORPORATION(SYK)03,551+3,55101,2480.02%+1,248
ABBVIE INC(ABBV)02,014+2,01404600.01%+460
AVANOS MED INC(AVNS)122,899167,061+44,1621,4211,8760.02%+455
HARROW INC(HROW)08,693+8,69304260.01%+426
TANDEM DIABETES CARE INC(TNDM)026,090+26,09005730.01%+573
HEALTHCARE SVCS GROUP INC(HCSG)021,259+21,25904060.01%+406
AMPHASTAR PHARMACEUTICALS IN(AMPH)014,852+14,85203980.01%+398
MIMEDX GROUP INC0160,419+160,41901,0860.01%+1,086
PRESTIGE CONSMR HEALTHCARE I(PBH)64,56369,669+5,1064,0294,2980.05%+269
NATIONAL VISION HLDGS INC(EYE)010,284+10,28402660.00%+266
ALPHATEC HLDGS INC(ATEC)057,277+57,27701,2050.02%+1,205
BIOMX INC0131,270+131,27002450.00%+245
THE ONCOLOGY INSTITUTE INC3,360,0523,360,052011,72711,9620.15%+235
Page 1 of 1