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  • DEERFIELD MANAGEMENT COMPANY, L.P. (Data extracted from 13F, 13D, 13G and Form 4)

DEERFIELD MANAGEMENT COMPANY, L.P.

AUM: $16.12 B
13-F Portfolio Value: $9.59 B
Last 13-F Filed: Q2 2026
Concentration in top 10: 53.16%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
RVMDREVOLUTION MEDICINES INC (PRN)2.63%200,000,000$251,681,000200,000,000New$1.2613F
CELCCELCUITY INC (PRN)1.19%100,000,000$113,779,900100,000,000New$1.1413F
MLYSMINERALYS THERAPEUTICS INC1.11%3,958,000$106,786,8403,958,000New$26.9813F
BSXBOSTON SCIENTIFIC CORP0.59%1,315,000$56,124,2001,315,000New$42.6813F
PBLSPARABILIS MEDICINES INC0.54%1,880,704$51,474,8681,880,704New$27.3713F
AVLNAVALYN PHARMACEUTICALS INC0.25%731,000$24,064,520731,000New$32.9213F
ODTXODYSSEY THERAPEUTICS INC0.2%1,046,139$19,573,2611,046,139New$18.7113F
ALMRALAMAR BIOSCIENCES INC0.17%600,000$16,254,000600,000New$27.0913F
CHECHEMED CORP NEW0.15%30,000$13,972,20030,000New$465.7413F
ADAGADAGENE INC0.12%2,666,666$11,199,9972,666,666New$4.213F
COAGHEMAB THERAPEUTICS HLDGS INC0.11%275,000$10,100,750275,000New$36.7313F
MOBIMOBIA MED INC0.09%670,752$8,988,077670,752New$13.413F
MIRMMIRUM PHARMACEUTICALS INC0.00736%6,027$705,5816,027New$117.0713F