Mediaco Holding MDIA Institutional Ownership

Ownership Summary

Mediaco Holding Inc. (NASDAQ:MDIA) showed up in the 13F filings of 17 institutional investors as of March 2026.

• Their combined ownership stood at 87.5% of outstanding shares in March 2026, down from 91.2% in December 2025.
• Their total shares held in MDIA decreased -1.22% quarter over quarter, and separately, investors owning Mediaco Holding decreased 5.56% from a year ago.
• Of these 17 holders, 8 added to their stakes in Mediaco Holding, 2 trimmed positions, and 7 made no changes.
• The aggregate institutional position in Mediaco Holding amounted to 71.47Mn shares as of March 2026, down by 879.26K shares quarter on quarter, and up 33.42Mn shares year over year.
• Standard General L.P. is the top holder of Mediaco Holding as of March 31, 2026, with 35.43Mn shares representing 43.38% of outstanding stock.
• The most significant purchases of MDIA for the quarter ending March 2026 came from VANGUARD FIDUCIARY TRUST CO (49.25K), VANGUARD CAPITAL MANAGEMENT LLC (32.59K), Vanguard Global Advisers, LLC (1.73K), UBS Group AG (1.63K), Tower Research Capital LLC (TRC) (520).
• Leading sellers of Mediaco Holding shares for the quarter ending March 2026 were Jpmorgan Chase & Co (949.12K), MILLENNIUM MANAGEMENT LLC (16.57K).
• Business Quant data shows the 10 biggest positions in Mediaco Holding as of March 2026 are held by Standard General L.P. (35.43Mn), BlackRock, Inc. (35.28Mn), Jpmorgan Chase & Co (383.4K), GEODE CAPITAL MANAGEMENT, LLC (115.26K), MILLENNIUM MANAGEMENT LLC (89.28K), UBS Group AG (54.97K), VANGUARD FIDUCIARY TRUST CO (49.25K), VANGUARD CAPITAL MANAGEMENT LLC (32.59K), State Street Corp (16.66K), Northern Trust Corp (13.85K).