MediaCo Holding Inc. reported that its EstrellaTV network achieved a historic 14% year-over-year increase in Adults 18–49 prime-time viewership for 2025, marking the first annual prime-time gain since 2018. This performance more than doubles the previous record annual gain of 6%, based on 16 years of January–December Nielsen Panel Only data. Quarterly trends were equally notable: 2Q25 delivered a 23% increase versus 2Q24, 3Q25 posted a modest 0.3% gain, and 4Q25 achieved a 57% jump—the largest quarterly rise in network history. Month-to-month consistency was strong, with 9 of the last 13 months showing positive year-over-year growth in the key 7–11 p.m. slot, including two consecutive Decembers of gains. Late-night programming also excelled in December, as Noticiero Cierre de Edición averaged 35,200 Adults 18–49 viewers at 10 p.m., while the 11 p.m.–1 a.m. block, led by Alarma TV and Tengo Talento, Mucho Talento, posted the highest delivery of the quarter.

MediaCo today unveiled Sigma Audio Networks LLC, a national audio platform designed to simplify and scale multicultural radio and digital audio advertising. The network unites legacy brands such as WBLS-FM, HOT97, Que Buena Los Angeles and the Don Cheto Radio Network under a single buying vehicle targeting Hispanic, Black, Asian American and bicultural audiences. By consolidating premium programming, digital streams and live events, Sigma provides advertisers with unified reach to over 150 million multicultural consumers. Leadership highlights include Elisa Torres as President and CEO of Sigma Audio and MediaCo’s CRO Brian Fisher emphasizing the network’s decade-long operational expertise. Industry veterans Daisy Expósito-Ulla and Michael Roca lauded Sigma’s timing and its ability to deliver scale with cultural precision, positioning it as a modern solution for agencies seeking both national footprint and audience relevance.