FY1Q20 royalty revenue=52.6M, up slightly from $51.3M in FY4Q19.
ENTA’s royalty rate from ABBV is tiered, as shown in the table in #msg-142808661. The royalty rate is applied to the 50% Glecaprevir component of Mavyret (a 2-drug combination).
During ENTA’s FY1Q20, the royalty rate was 17% (the second-highest tier in the table), which equates to 8.5% when applied to ABBV’s actual Mavyret sales.
Based on this known royalty rate and ENTA’s reported FY1Q20 royalty income, we can infer that ABBV’s worldwide Mavyret sales during calendar 4Q19 were approximately $619M.
ENTA’s 12/31/19 cash=$415M (up from $400M on 9/30/19).