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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: $6.55 B
Last 13-F Filed: Q3 2025
Concentration in top 10: 51.69%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
NUVLNuvalent, Inc.14.60%8,949,225$854,203,526-9,041,799-50.26%Form 4
MRUSMERUS N V4.90%3,046,916$286,867,141-337,712-9.98%$94.1513F
UTHRUNITED THERAPEUTICS CORP DEL3.05%425,993$178,580,526-114,633-21.2%$419.2113F
INDVINDIVIOR PLC2.88%6,986,811$168,452,013-3,580,349-33.88%$24.1113F
NAMSNEWAMSTERDAM PHARMA COMPANY2.07%4,266,693$121,344,749-849,260-16.6%$28.4413F
BKDBROOKDALE SR LIVING INC1.69%11,641,642$98,604,708-3,720,622-24.22%$8.4713F
PFEPFIZER INC1.44%3,303,790$84,180,569-1,002,474-23.28%$25.4813F
SPRYARS PHARMACEUTICALS INC1.29%7,503,812$75,413,311-2,220,696-22.84%$10.0513F
INSMINSMED INC1.16%471,000$67,828,710-229,700-32.78%$144.0113F
IDYAIDEAYA BIOSCIENCES INC1.00%2,153,043$58,584,300-1,762,268-45.01%$27.2113F
EHABENHABIT INC0.65%4,747,746$38,029,445-32,118-0.67%$8.0113F
EMBCEMBECTA CORP0.63%2,620,421$36,974,140-129,291-4.7%$14.1113F
KYMRKYMERA THERAPEUTICS INC0.55%572,258$32,389,803-80,742-12.36%$56.613F
ALNYALNYLAM PHARMACEUTICALS INC0.53%67,935$30,978,360-77,065-53.15%$45613F
CGEMCULLINAN THERAPEUTICS INC0.30%2,927,013$17,357,187-928,539-24.08%$5.9313F
EWTXEDGEWISE THERAPEUTICS INC0.21%765,694$12,419,557-1,301,626-62.96%$16.2213F
DCGODOCGO INC0.11%4,622,708$6,286,883-318,857-6.45%$1.3613F
ALHCALIGNMENT HEALTHCARE INC0.03%102,942$1,796,338-239,616-69.95%$17.4513F
BAXBAXTER INTL INC0.02%42,744$973,281-1,880,356-97.78%$22.7713F
SHCSOTERA HEALTH CO0.00683%25,384$399,290-19,858-43.89%$15.7313F
CYHCOMMUNITY HEALTH SYS INC NEW0.00180%32,720$105,031-22,983-41.26%$3.2113F