Mediaco Holding Inc. Class AMDIA
13F holders, Q1 2026 (March 31)16holders +2
1new positions
1sold out
1famous investor
$0.66avg. 13F price*
At the end of Q1 2026, 16 institutions reported holding Mediaco Holding Inc. Class A (MDIA) in their 13F filings, up 2 from Q4 2025. 1 opened new positions and 1 sold out. The largest holders were Standard General L.P. ($23.3M), BlackRock, Inc. ($23.2M) and JPMorgan Chase & Co. ($255K). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Mediaco Holding Inc. Class A
- CUSIP
- 58450D104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $1 |
| Exits | 1 | $77 |
All 13F filers, Q4 2025 → Q1 2026: 2,859 shares bought and 965,819 shares sold, net −962,960 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 16 holders
| Standard General L.P. | 6.94% | No change | 35,426,400 | $23.3M |
| BlackRock, Inc. | 0.00% | No change | 35,284,678 | $23.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -71.2% | 383,403 | $255K |
| Geode Capital Management, LLC | 0.00% | Add +0.4% | 115,265 | $76K |
| Millennium Management | 0.00% | Reduce -15.7% | 89,276 | $59K |
| UBS Group AG | 0.00% | Add +3.1% | 54,970 | $36K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 49,246 | $32K |
| Vanguard Capital Management LLC | 0.00% | — | 32,591 | $21K |
| State Street Corp. | 0.00% | No change | 16,659 | $11K |
| Northern Trust Corp. | 0.00% | No change | 13,854 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +11.2% | 5,183 | $3K |
| Vanguard Global Advisers, LLC | 0.00% | — | 1,726 | $1K |
| Morgan Stanley | 0.00% | Add +6666.7% | 203 | $134 |
| Allworth Financial LP | 0.00% | No change | 32 | $22 |
| Harbour Investments, Inc. | 0.00% | No change | 19 | $13 |
| Citigroup Inc. | 0.00% | New | 1 | $1 |
"% 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.