Lantheus Holdings, Inc. reported a 5.4% increase in worldwide revenue for the fourth quarter of 2020, totaling $94.2 million, compared to $89.3 million in the prior year period. The company's net loss for the quarter was $3.4 million, or $0.05 per fully diluted share, compared to a net income of $10.5 million, or $0.26 per fully diluted share, for the fourth quarter of 2019.