Yes, it appears to be the case based on the financial reports that they released. It seems that due to the large number of doses they sold over the quarter/year (208M/510M), they were able to make a large amount of revenue from it. According to Moderna Reports Third Quarter Fiscal Year 2021 Financial Results And Provides Business Updates:
revenue: Total revenue was $5.0 billion for the three months ended September 30, 2021, compared to $157 million for the same period in 2020. Total revenue was $11.3 billion for the nine months ended September 30, 2021, compared to $232 million for the same period in 2020. Total revenue increased in 2021 as a result of commercial sales of the Company's COVID-19 vaccine, and to a lesser extent, grant revenue. Product sales for the three and nine months ended September 30, 2021 were $4.8 billion and $10.7 billion, respectively, from sales of 208 million and 510 million doses of the Company's COVID-19 vaccine for the three and nine months ended September 30, 2021, respectively. The increase in grant revenue of $286 million for the nine months ended September 30, 2021 was primarily driven by an increase in revenue from BARDA related to the Company's COVID-19 vaccine development. Grant revenue for the three months ended September 30, 2021 was relatively flat compared to the same period in 2020.
Specifically:
Product sales for the three and nine months ended September 30, 2021 were $4.8 billion and $10.7 billion, respectively, from sales of 208 million and 510 million doses of the Company's COVID-19 vaccine for the three and nine months ended September 30, 2021, respectively.