Mediaco Holding Inc. Class AMDIA

13F holders, Q2 2026 (June 30)
18holders +2
3new positions
1sold out
2famous investors
$0.99avg. 13F price*

At the end of Q2 2026, 18 institutions reported holding Mediaco Holding Inc. Class A (MDIA) in their 13F filings, up 2 from Q1 2026. 3 opened new positions and 1 sold out. The largest holders were Standard General L.P. ($34.9M), BlackRock, Inc. ($34.8M) and Geode Capital Management, LLC ($95K). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Mediaco Holding Inc. Class A
CUSIP
58450D104
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q1 2024: 12Q1 2024Q2 2024: 17Q2 2024Q3 2024: 25Q3 2024Q4 2024: 18Q4 2024Q1 2025: 17Q1 2025Q2 2025: 17Q2 2025Q3 2025: 15Q3 2025Q4 2025: 14Q4 2025Q1 2026: 16Q1 2026Q2 2026: 18Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions3$39K
Exits1$1

All 13F filers, Q1 2026 → Q2 2026: 83,427 shares bought and 484,140 shares sold, net −400,713 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 18 holders

Standard General L.P. 7.27% No change 35,426,400 $34.9M
BlackRock, Inc. 0.00% No change 35,284,678 $34.8M
Geode Capital Management, LLC 0.00% Reduce -16.4% 96,397 $95K
Vanguard Capital Management LLC 0.00% Add +116.3% 70,508 $70K
Millennium Management 0.00% Reduce -30.4% 62,147 $61K
Vanguard Fiduciary Trust Co. 0.00% No change 49,246 $49K
Citadel Advisors 0.00% New 28,302 $28K
Northern Trust Corp. 0.00% Add +31.9% 18,274 $18K
State Street Corp. 0.00% No change 16,659 $16K
XTX Topco Ltd 0.00% New 10,375 $10K
Tower Research Capital LLC (TRC) 0.00% Add +27.3% 6,596 $7K
Vanguard Global Advisers, LLC 0.00% No change 1,726 $2K
Royal Bank of Canada 0.00% New 1,000 $1K
UBS Group AG 0.00% Reduce -99.6% 231 $228
Morgan Stanley 0.00% Reduce -1.5% 200 $197
Allworth Financial LP 0.00% No change 32 $32
Harbour Investments, Inc. 0.00% No change 19 $19
JPMorgan Chase & Co. 0.00% Reduce -100.0% 3 $3

"% of holder's portfolio" is MDIA's weight in each manager's 13F, not the share of Mediaco Holding Inc. Class A the manager owns.