Fund HoldingsDEERFIELD MANAGEMENT COMPANY, L.P.

Total Portfolio Value
$9.59B
Total Bought
$1.00B
Total Sold
$921.77M
Net Transaction
+$81.05M
Filing Period:
Securities
SharesValue ($K)
Q1 2026
Q2 2026
Change
Q1 2026
Q2 2026
Weight (%)
Change
NUVALENT INC17,248,45017,248,45001,767,1042,130,18422.22%+363,080
REVOLUTION MEDICINES INC0000251,6812.63%+251,681
REVOLUTION MEDICINES INC(RVMD)02,392,000+2,392,0000447,9744.67%+447,974
GENMAB A/S(GMAB)2,462,0006,865,000+4,403,00066,055188,5821.97%+122,526
CENTENE CORP DEL(CNC)04,901,000+4,901,0000314,5953.28%+314,595
CELCUITY INC0000113,7801.19%+113,780
MINERALYS THERAPEUTICS INC(MLYS)03,958,000+3,958,0000106,7871.11%+106,787
LEGEND BIOTECH CORP(LEGN)7,687,6388,137,638+450,000139,069235,0152.45%+95,946
BROOKDALE SR LIVING INC(BKD)000505,441585,7056.11%+80,264
BOSTON SCIENTIFIC CORP(BSX)01,315,000+1,315,000056,1240.59%+56,124
PARABILIS MEDICINES INC01,880,704+1,880,704051,4750.54%+51,475
IDEAYA BIOSCIENCES INC(IDYA)02,714,503+2,714,5030101,1701.06%+101,170
VIATRIS INC(VTRS)20,206,17020,206,1700272,985320,8743.35%+47,889
TANGO THERAPEUTICS INC(TNGX)4,146,8134,190,611+43,79886,751130,9991.37%+44,247
ARROWHEAD PHARMACEUTICALS IN(ARWR)000207,182240,5382.51%+33,356
PHARVARIS N V
COM
3,126,0423,376,042+250,00088,311116,7441.22%+28,433
BIOMARIN PHARMACEUTICAL INC(BMRN)851,5561,332,836+481,28048,10476,2650.80%+28,160
BROOKDALE SR LIVING INC(BKD)11,637,03211,637,0320159,195187,2401.95%+28,045
ACADIA HEALTHCARE COMPANY IN(ACHC)4,520,0004,520,0000105,723133,4761.39%+27,753
DIANTHUS THERAPEUTICS INC(DNTH)1,019,8131,125,313+105,50085,583109,6961.14%+24,113
AVALYN PHARMACEUTICALS INC0731,000+731,000024,0650.25%+24,065
STRUCTURE THERAPEUTICS INC01,086,000+1,086,000058,2860.61%+58,286
LANTHEUS HLDGS INC(LNTH)827,999752,999-75,00062,80483,5380.87%+20,734
ODYSSEY THERAPEUTICS INC01,046,139+1,046,139019,5730.20%+19,573
CAREDX INC(CDNA)01,997,618+1,997,618056,9320.59%+56,932
VERA THERAPEUTICS INC(VERA)03,916,400+3,916,4000168,0531.75%+168,053
ALIGNMENT HEALTHCARE INC(ALHC)00085,859103,8301.08%+17,971
ALAMAR BIOSCIENCES INC0600,000+600,000016,2540.17%+16,254
ARROWHEAD PHARMACEUTICALS IN(ARWR)01,389,055+1,389,0550113,2221.18%+113,222
CHEMED CORP NEW(CHE)030,000+30,000013,9720.15%+13,972
ZENAS BIOPHARMA INC(ZBIO)00067,25380,3160.84%+13,063
MONOPAR THERAPEUTICS INC323,745323,745017,73829,9760.31%+12,238
PRAXIS PRECISION MEDICINES I(PRAX)963,351963,3510310,382322,5203.36%+12,138
TYRA BIOSCIENCES INC(TYRA)549,0001,017,000+468,00021,02732,4830.34%+11,456
ADAGENE INC02,666,666+2,666,666011,2000.12%+11,200
HEMAB THERAPEUTICS HLDGS INC0275,000+275,000010,1010.11%+10,101
SAVARA INC(SVRA)013,569,000+13,569,000083,5850.87%+83,585
MOBIA MED INC0670,752+670,75208,9880.09%+8,988
IONIS PHARMACEUTICALS INC(IONS)01,979,669+1,979,6690156,9681.64%+156,968
NEWAMSTERDAM PHARMA COMPANY
ORDINARY SHARES
04,264,789+4,264,7890144,5341.51%+144,534
THE ONCOLOGY INSTITUTE INC3,360,0523,360,052010,31518,2450.19%+7,930
BIOCRYST PHARMACEUTICALS INC(BCRX)15,038,00015,096,403+58,403143,162150,9641.57%+7,802
BETA BIONICS INC01,324,000+1,324,000020,7470.22%+20,747
BELITE BIO INC(BLTE)304,013357,199+53,18648,47255,0030.57%+6,531
LIVANOVA PLC(LIVN)00040,03346,4850.48%+6,452
DISC MEDICINE INC(IRON)657,000657,000042,00948,0530.50%+6,044
CERTARA INC(CERT)07,512,928+7,512,928049,2100.51%+49,210
XENON PHARMACEUTICALS INC(XENE)1,615,6961,615,696093,95397,5231.02%+3,571
BIO RAD LABS INC0226,070+226,070066,3760.69%+66,376
IONIS PHARMACEUTICALS INC(IONS)00090,61493,1040.97%+2,491
ENVISTA HOLDINGS CORPORATION(NVST)2,210,1002,210,100056,07058,2360.61%+2,166
MIRUM PHARMACEUTICALS INC(MIRM)06,027+6,02707060.01%+706
KYVERNA THERAPEUTICS INC2,000,0002,000,000017,26017,8200.19%+560
FOGHORN THERAPEUTICS INC4,394,3674,394,367021,00521,4450.22%+439
STOKE THERAPEUTICS INC(STOK)1,823,5001,823,500059,37359,6650.62%+292
HUMANA INC(HUM)91791701593640.00%+205
EDWARDS LIFESCIENCES CORP13,70213,70201,0971,2390.01%+142
NEWAMSTERDAM PHARMA COMPANY
*W EXP 99/99/999
92,78792,78701,8591,9830.02%+123
ANNEXON INC(ANNX)583,913583,91303,2353,3340.03%+99
IMMUNOCORE HLDGS PLC(IMCR)00027,02527,1040.28%+79
PMV PHARMACEUTICALS INC8,7908,790011120.00%+1
SURROZEN INC166,666166,6660330.00%0
MYRIAD GENETICS INC5050-50520-2
THE ONCOLOGY INSTITUTE INC1,250,0001,250,000055510.00%-4
QUANTUM SI INC333,3330-333,333360-36
ALECTOR INC1,055,1921,055,19202,2692,1210.02%-148
ARS PHARMACEUTICALS INC07,503,812+7,503,812060,1060.63%+60,106
VERADERMICS INC(MANE)5,0000-5,0003160-316
BIOMX INC131,2720-131,2724930-493
BRIGHT MINDS BIOSCIENCES INC283,000283,000020,65119,8670.21%-784
SPYGLASS PHARMA INC(SGP)550,000550,000014,25112,2430.13%-2,007
ALNYLAM PHARMACEUTICALS INC(ALNY)067,935+67,935020,4500.21%+20,450
CULLINAN THERAPEUTICS INC(CGEM)386,1690-386,1695,4870-5,487
SYNDAX PHARMACEUTICALS INC(SNDX)3,779,9003,779,900088,29882,6290.86%-5,670
BRIDGEBIO ONCOLOGY THERAPEUT04,885,446+4,885,446037,2270.39%+37,227
SIONNA THERAPEUTICS INC970,590680,916-289,67438,91129,9530.31%-8,957
PFIZER INC(PFE)3,040,0003,040,000085,36373,2030.76%-12,160
TAYSHA GENE THERAPIES INC(TSHA)000000
EMBECTA CORP02,534,961+2,534,96108,2640.09%+8,264
ADAPTHEALTH CORP11,477,73011,477,7300136,585119,5981.25%-16,987
VERACYTE INC(VCYT)0101,000+101,00005,9320.06%+5,932
COMPASS THERAPEUTICS INC3,606,0000-3,606,00019,0760-19,076
UNITED THERAPEUTICS CORP DEL(UTHR)457,000457,0000270,992247,6162.58%-23,376
INDIVIOR PHARMACEUTICALS INC(INDV)3,097,7901,648,895-1,448,89594,42167,6540.71%-26,766
CELCUITY INC(CELC)1,714,0001,451,014-262,986195,636151,8051.58%-43,831
KYMERA THERAPEUTICS INC(KYMR)561,1700-561,17046,7400-46,740
LARIMAR THERAPEUTICS INC35,606,97435,606,9740160,231108,6011.13%-51,630
NEOGENOMICS INC(NEO)00066,65412,2020.13%-54,452
ENHABIT INC
COM
4,747,7460-4,747,74666,8960-66,896
DAY ONE BIOPHARMACEUTICALS I
COM
3,723,1310-3,723,13179,8240-79,824
NEUROCRINE BIOSCIENCES INC(NBIX)000000
INSPIRE MED SYS INC(INSP)2,703,2381,296,862-1,406,376139,43357,8530.60%-81,580
CATALYST PHARMACEUTICALS INC000000
COGENT BIOSCIENCES INC(COGT)9,043,9035,006,104-4,037,799348,100193,7362.02%-154,364
MIRUM PHARMACEUTICALS INC(MIRM)000209,4400-209,440
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