 LOWELL, Mass.--BUSINESS WIRE--MACOM Technology Solutions Holdings, Inc. MACOM NASDAQ: MTSI, a leading supplier of semiconductor products, today announced its financial results for its fiscal first quarter ended January 1, 2021. First Quarter Fiscal Year 2021 GAAP Results Revenue was 148.5 million, an increase of 24.7, compared to 119.1 million in the previous year fiscal first quarter and an increase of 0.9 compared to 147.2 million in the prior fiscal quarter; Gross margin was 54. 