0001521036 2023-02-23 2023-02-23 false 0001521036 8-K 2023-05-04 LANTHEUS HOLDINGS, INC. DE 001-36569 35-2318913 201 Burlington Road, South Building Bedford MA 01730 978 671-8001 false false false false Common stock, par value $0.01 per share LNTH NASDAQ false 2023-05-04 2023-05-04