DEERFIELD MANAGEMENT COMPANY, L.P.
Securities ▲▼ | Shares | Value ($K) | |||||
|---|---|---|---|---|---|---|---|
Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | Q4 2025 ▲▼ | Q1 2026 ▲▼ | Weight (%) ▲▼ | Change ▲▼ | |
| BROOKDALE SR LIVING INC(BKD) | 0 | 0 | 0 | 0 | 505,441,129 | 5.96% | +505,441,129 |
| MIRUM PHARMACEUTICALS INC(MIRM) | 0 | 0 | 0 | 0 | 209,440,280 | 2.47% | +209,440,280 |
| ARROWHEAD PHARMACEUTICALS IN(ARWR) | 0 | 0 | 0 | 0 | 207,181,800 | 2.44% | +207,181,800 |
| INDIVIOR PHARMACEUTICALS INC(INDV) | 0 | 3,097,790 | +3,097,790 | 0 | 94,420,639 | 1.11% | +94,420,639 |
| IONIS PHARMACEUTICALS INC(IONS) | 0 | 0 | 0 | 0 | 90,613,860 | 1.07% | +90,613,860 |
| SYNDAX PHARMACEUTICALS INC(SNDX) | 0 | 3,779,900 | +3,779,900 | 0 | 88,298,464 | 1.04% | +88,298,464 |
| ALIGNMENT HEALTHCARE INC(ALHC) | 0 | 0 | 0 | 0 | 85,858,720 | 1.01% | +85,858,720 |
| DIANTHUS THERAPEUTICS INC(DNTH) | 0 | 1,019,813 | +1,019,813 | 0 | 85,582,707 | 1.01% | +85,582,707 |
| PFIZER INC(PFE) | 0 | 3,040,000 | +3,040,000 | 0 | 85,363,200 | 1.01% | +85,363,200 |
| XENON PHARMACEUTICALS INC(XENE) | 542,020 | 1,615,696 | +1,073,676 | 24,293,336 | 93,952,722 | 1.11% | +69,659,386 |
| ZENAS BIOPHARMA INC(ZBIO) | 0 | 0 | 0 | 0 | 67,252,900 | 0.79% | +67,252,900 |
| NEOGENOMICS INC(NEO) | 0 | 0 | 0 | 0 | 66,653,778 | 0.79% | +66,653,778 |
| GENMAB A/S(GMAB) | 0 | 2,462,000 | +2,462,000 | 0 | 66,055,460 | 0.78% | +66,055,460 |
| UNITED THERAPEUTICS CORP DEL(UTHR) | 425,993 | 457,000 | +31,007 | 207,565,089 | 270,991,860 | 3.20% | +63,426,771 |
| TANGO THERAPEUTICS INC(TNGX) | 2,906,946 | 4,146,813 | +1,239,867 | 25,755,542 | 86,751,328 | 1.02% | +60,995,786 |
| BIOMARIN PHARMACEUTICAL INC(BMRN) | 0 | 851,556 | +851,556 | 0 | 48,104,398 | 0.57% | +48,104,398 |
| DAY ONE BIOPHARMACEUTICALS I COM | 3,723,131 | 3,723,131 | 0 | 34,699,581 | 79,823,929 | 0.94% | +45,124,348 |
| PRAXIS PRECISION MEDICINES I(PRAX) | 903,351 | 963,351 | +60,000 | 266,253,674 | 310,382,059 | 3.66% | +44,128,385 |
| LARIMAR THERAPEUTICS INC | 30,606,974 | 35,606,974 | +5,000,000 | 116,612,571 | 160,231,383 | 1.89% | +43,618,812 |
| ACADIA HEALTHCARE COMPANY IN(ACHC) | 4,520,000 | 4,520,000 | 0 | 64,138,800 | 105,722,800 | 1.25% | +41,584,000 |
| LIVANOVA PLC(LIVN) | 0 | 0 | 0 | 0 | 40,033,281 | 0.47% | +40,033,281 |
| BROOKDALE SR LIVING INC(BKD) | 11,637,032 | 11,637,032 | 0 | 125,563,575 | 159,194,598 | 1.88% | +33,631,023 |
| NUVALENT INC(NUVL) | 17,248,450 | 17,248,450 | 0 | 1,735,021,586 | 1,767,103,703 | 20.85% | +32,082,117 |
| BIOCRYST PHARMACEUTICALS INC(BCRX) | 14,341,000 | 15,038,000 | +697,000 | 111,859,800 | 143,161,760 | 1.69% | +31,301,960 |
| IMMUNOCORE HLDGS PLC(IMCR) | 0 | 0 | 0 | 0 | 27,025,200 | 0.32% | +27,025,200 |
| COGENT BIOSCIENCES INC(COGT) | 9,043,903 | 9,043,903 | 0 | 321,239,435 | 348,099,826 | 4.11% | +26,860,391 |
| CELCUITY INC(CELC) | 1,714,000 | 1,714,000 | 0 | 170,954,360 | 195,635,960 | 2.31% | +24,681,600 |
| ENHABIT INC COM | 4,747,746 | 4,747,746 | 0 | 43,774,218 | 66,895,741 | 0.79% | +23,121,523 |
| ADAPTHEALTH CORP(AHCO) | 11,477,730 | 11,477,730 | 0 | 114,318,191 | 136,584,987 | 1.61% | +22,266,796 |
| VIATRIS INC(VTRS) | 20,206,170 | 20,206,170 | 0 | 251,566,817 | 272,985,357 | 3.22% | +21,418,540 |
| TYRA BIOSCIENCES INC(TYRA) | 0 | 549,000 | +549,000 | 0 | 21,026,700 | 0.25% | +21,026,700 |
| BRIGHT MINDS BIOSCIENCES INC | 0 | 283,000 | +283,000 | 0 | 20,650,510 | 0.24% | +20,650,510 |
| SPYGLASS PHARMA INC | 0 | 550,000 | +550,000 | 0 | 14,250,500 | 0.17% | +14,250,500 |
| BELITE BIO INC(BLTE) | 233,813 | 304,013 | +70,200 | 37,400,727 | 48,471,833 | 0.57% | +11,071,106 |
| LEGEND BIOTECH CORP(LEGN) | 5,932,000 | 7,687,638 | +1,755,638 | 128,961,680 | 139,069,371 | 1.64% | +10,107,691 |
| LANTHEUS HLDGS INC(LNTH) | 827,999 | 827,999 | 0 | 55,103,333 | 62,803,724 | 0.74% | +7,700,391 |
| MONOPAR THERAPEUTICS INC | 170,558 | 323,745 | +153,187 | 11,137,437 | 17,737,989 | 0.21% | +6,600,552 |
| ENVISTA HOLDINGS CORPORATION(NVST) | 2,280,498 | 2,210,100 | -70,398 | 49,509,612 | 56,070,237 | 0.66% | +6,560,625 |
| KYMERA THERAPEUTICS INC(KYMR) | 561,170 | 561,170 | 0 | 43,664,638 | 46,739,849 | 0.55% | +3,075,211 |
| PHARVARIS N V COM | 3,126,042 | 3,126,042 | 0 | 86,747,666 | 88,310,687 | 1.04% | +1,563,021 |
| STOKE THERAPEUTICS INC(STOK) | 1,823,500 | 1,823,500 | 0 | 57,877,890 | 59,373,160 | 0.70% | +1,495,270 |
| CULLINAN THERAPEUTICS INC(CGEM) | 386,169 | 386,169 | 0 | 3,996,849 | 5,487,461 | 0.06% | +1,490,612 |
| DISC MEDICINE INC(IRON) | 511,163 | 657,000 | +145,837 | 40,591,454 | 42,008,580 | 0.50% | +1,417,126 |
| FOGHORN THERAPEUTICS INC | 3,649,211 | 4,394,367 | +745,156 | 19,705,739 | 21,005,074 | 0.25% | +1,299,335 |
| ALECTOR INC | 1,055,192 | 1,055,192 | 0 | 1,646,100 | 2,268,663 | 0.03% | +622,563 |
| INSPIRE MED SYS INC(INSP) | 1,505,872 | 2,703,238 | +1,197,366 | 138,886,575 | 139,433,016 | 1.64% | +546,441 |
| VERADERMICS INC(MANE) | 0 | 5,000 | +5,000 | 0 | 315,750 | 0.00% | +315,750 |
| ANNEXON INC(ANNX) | 583,913 | 583,913 | 0 | 2,931,243 | 3,234,878 | 0.04% | +303,635 |
| BIOMX INC | 131,270 | 131,272 | +2 | 245,471 | 492,795 | 0.01% | +247,324 |
| PMV PHARMACEUTICALS INC | 8,790 | 8,790 | 0 | 10,988 | 10,900 | 0.00% | -88 |
| SURROZEN INC | 166,666 | 166,666 | 0 | 3,333 | 2,667 | 0.00% | -666 |
| MYRIAD GENETICS INC | 505 | 505 | 0 | 3,106 | 2,273 | 0.00% | -833 |
| BUTTERFLY NETWORK INC(BFLY) | 733,333 | 0 | -733,333 | 12,907 | 0 | — | -12,907 |
| QUANTUM SI INC | 333,333 | 333,333 | 0 | 66,833 | 36,200 | 0.00% | -30,633 |
| NUVATION BIO INC(NUVB) | 166,666 | 0 | -166,666 | 55,000 | 0 | — | -55,000 |
| EDWARDS LIFESCIENCES CORP | 13,702 | 13,702 | 0 | 1,168,096 | 1,097,256 | 0.01% | -70,840 |
| HUMANA INC(HUM) | 917 | 917 | 0 | 234,871 | 158,999 | 0.00% | -75,872 |
| THE ONCOLOGY INSTITUTE INC | 1,250,000 | 1,250,000 | 0 | 150,625 | 54,750 | 0.00% | -95,875 |
| ABEONA THERAPEUTICS INC | 40,000 | 0 | -40,000 | 210,800 | 0 | — | -210,800 |
| NATIONAL VISION HLDGS INC(EYE) | 10,284 | 0 | -10,284 | 265,533 | 0 | — | -265,533 |
| INTUITIVE SURGICAL INC | 483 | 0 | -483 | 273,552 | 0 | — | -273,552 |
| NEWAMSTERDAM PHARMA COMPANY *W EXP 99/99/999 | 92,787 | 92,787 | 0 | 2,134,101 | 1,859,451 | 0.02% | -274,650 |
| COMPASS THERAPEUTICS INC | 3,606,000 | 3,606,000 | 0 | 19,364,220 | 19,075,740 | 0.23% | -288,480 |
| BELLRING BRANDS INC(BRBR) | 11,996 | 0 | -11,996 | 320,653 | 0 | — | -320,653 |
| STERIS PLC(STE) | 1,352 | 0 | -1,352 | 342,759 | 0 | — | -342,759 |
| REPLIGEN CORP(RGEN) | 2,199 | 0 | -2,199 | 360,328 | 0 | — | -360,328 |
| AMPHASTAR PHARMACEUTICALS IN(AMPH) | 14,852 | 0 | -14,852 | 397,737 | 0 | — | -397,737 |
| HEALTHCARE SVCS GROUP INC(HCSG) | 21,259 | 0 | -21,259 | 406,472 | 0 | — | -406,472 |
| XERIS BIOPHARMA HOLDINGS INC | 52,230 | 0 | -52,230 | 410,006 | 0 | — | -410,006 |
| HARROW INC(HROW) | 8,693 | 0 | -8,693 | 425,957 | 0 | — | -425,957 |
| ABBVIE INC(ABBV) | 2,014 | 0 | -2,014 | 460,179 | 0 | — | -460,179 |
| INTEGRA LIFESCIENCES HLDGS C(IART) | 39,209 | 0 | -39,209 | 486,976 | 0 | — | -486,976 |
| RXSIGHT INC | 52,257 | 0 | -52,257 | 544,518 | 0 | — | -544,518 |
| TANDEM DIABETES CARE INC(TNDM) | 26,090 | 0 | -26,090 | 573,458 | 0 | — | -573,458 |
| SCHRODINGER INC(SDGR) | 33,987 | 0 | -33,987 | 607,688 | 0 | — | -607,688 |
| COOPER COS INC(COO) | 7,786 | 0 | -7,786 | 638,141 | 0 | — | -638,141 |
| ZOETIS INC(ZTS) | 5,698 | 0 | -5,698 | 716,922 | 0 | — | -716,922 |
| ARVINAS INC | 68,057 | 0 | -68,057 | 807,156 | 0 | — | -807,156 |
| AZENTA INC(AZTA) | 25,835 | 0 | -25,835 | 859,272 | 0 | — | -859,272 |
| REVVITY INC(RVTY) | 10,323 | 0 | -10,323 | 998,750 | 0 | — | -998,750 |
| SIONNA THERAPEUTICS INC(SION) | 970,590 | 970,590 | 0 | 39,930,073 | 38,910,953 | 0.46% | -1,019,120 |
| INTEGER HLDGS CORP(ITGR) | 13,326 | 0 | -13,326 | 1,045,158 | 0 | — | -1,045,158 |
| MIMEDX GROUP INC | 160,419 | 0 | -160,419 | 1,086,037 | 0 | — | -1,086,037 |
| KENVUE INC(KVUE) | 65,344 | 0 | -65,344 | 1,127,184 | 0 | — | -1,127,184 |
| UFP TECHNOLOGIES INC(UFPT) | 5,098 | 0 | -5,098 | 1,131,909 | 0 | — | -1,131,909 |
| STAAR SURGICAL CO(STAA) | 51,894 | 0 | -51,894 | 1,198,232 | 0 | — | -1,198,232 |
| ALPHATEC HLDGS INC(ATEC) | 57,277 | 0 | -57,277 | 1,205,108 | 0 | — | -1,205,108 |
| STRYKER CORPORATION(SYK) | 3,551 | 0 | -3,551 | 1,248,070 | 0 | — | -1,248,070 |
| MAXIMUS INC(MMS) | 16,606 | 0 | -16,606 | 1,433,430 | 0 | — | -1,433,430 |
| ABBOTT LABS | 11,449 | 0 | -11,449 | 1,434,445 | 0 | — | -1,434,445 |
| HEALTHEQUITY INC(HQY) | 16,231 | 0 | -16,231 | 1,486,922 | 0 | — | -1,486,922 |
| VAREX IMAGING CORP | 131,745 | 0 | -131,745 | 1,534,829 | 0 | — | -1,534,829 |
| KYVERNA THERAPEUTICS INC | 2,000,000 | 2,000,000 | 0 | 18,800,000 | 17,260,000 | 0.20% | -1,540,000 |
| ENCOMPASS HEALTH CORP(EHC) | 15,259 | 0 | -15,259 | 1,619,590 | 0 | — | -1,619,590 |
| THE ONCOLOGY INSTITUTE INC | 3,360,052 | 3,360,052 | 0 | 11,961,785 | 10,315,360 | 0.12% | -1,646,425 |
| NATIONAL HEALTHCARE CORP(NHC) | 12,085 | 0 | -12,085 | 1,656,733 | 0 | — | -1,656,733 |
| MERIT MED SYS INC(MMSI) | 18,798 | 0 | -18,798 | 1,656,856 | 0 | — | -1,656,856 |
| ADDUS HOMECARE CORP | 15,871 | 0 | -15,871 | 1,704,387 | 0 | — | -1,704,387 |
| ALIGN TECHNOLOGY INC | 11,000 | 0 | -11,000 | 1,717,650 | 0 | — | -1,717,650 |
| SURGERY PARTNERS INC(SGRY) | 112,623 | 0 | -112,623 | 1,740,025 | 0 | — | -1,740,025 |