Mediaco Holding Inc. Class AMDIA
13F holders, Q4 2025 (December 31)14holders −1
0new positions
1sold out
1famous investor
$0.58avg. 13F price*
At the end of Q4 2025, 14 institutions reported holding Mediaco Holding Inc. Class A (MDIA) in their 13F filings, down 1 from Q3 2025. 0 opened new positions and 1 sold out. The largest holders were Standard General L.P. ($20.5M), BlackRock, Inc. ($20.5M) and JPMorgan Chase & Co. ($773K). 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 1 | $41K |
All 13F filers, Q3 2025 → Q4 2025: 343 shares bought and 684,860 shares sold, net −684,517 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 14 holders
| Standard General L.P. | 3.68% | No change | 35,426,400 | $20.5M |
| BlackRock, Inc. | 0.00% | No change | 35,284,678 | $20.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -31.2% | 1,332,518 | $773K |
| Geode Capital Management, LLC | 0.00% | Reduce -1.6% | 114,759 | $67K |
| Millennium Management | 0.00% | Reduce -7.2% | 105,848 | $61K |
| Vanguard Group Inc. | 0.00% | No change | 83,563 | $48K |
| UBS Group AG | 0.00% | Reduce -41.0% | 53,338 | $31K |
| State Street Corp. | 0.00% | No change | 16,659 | $10K |
| Northern Trust Corp. | 0.00% | No change | 13,854 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +7.9% | 4,663 | $3K |
| Bank of America Corp. | 0.00% | Add +2.3% | 132 | $77 |
| Allworth Financial LP | 0.00% | No change | 32 | $19 |
| Harbour Investments, Inc. | 0.00% | No change | 19 | $11 |
| Morgan Stanley | 0.00% | No change | 3 | $2 |
"% 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.