Halozyme Reports First Quarter 2021 Results - First Quarter Revenue of $89.0 million, Up from $25.4 million in First Quarter of 2020 - - Record Quarterly Royalties in the First Quarter of $36.9 million Representing 119% Growth over First Quarter 2020 - - Reiterate 2021 Revenue Guidance of $375 Million to $395 Million Representing 40% to 48% Growth over 2020 Revenue - - Reiterate 2021 GAAP Operating Income Guidance of $215 million to $235 million, Representing 49%-63% Growth over 2020 GAAP Operating Income - News provided by Share this article Share this article SAN DIEGO, May 10, 2021 /PRNewswire/ -- Halozyme Therapeutics, Inc. (NASDAQ: HALO) today reported financial results for the first quarter ended March 31, 2021 and provided an update on its recent corporate activities and outlook.