MediaCo Holding Inc. (MDIA) Ownership
MDIA ownership summary
as of October 18, 2026- Institutions
- 90.4% of shares outstanding
- Insiders
- 0.40% of shares outstanding
- Shares outstanding
- 78.6M
- Float
- 42.9M shares available to trade
- Short interest
- 0.55% 12K shares short
- Days to cover
- 0.93 short interest down 5.4% vs prior month
- Institutions 90.42%
- Insiders 0.40%
- Other investors 9.18%
MDIA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Standard General LP | 42.16% | 35.4M | $38.3M | — | June 30, 2026 |
| 2 | BlackRock Inc | 42.00% | 35.3M | $38.1M | — | June 30, 2026 |
| 3 | Geode Capital Management, LLC | 0.11% | 96K | $104,109 | −18,868 (−16.4%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 0.08% | 71K | $76,149 | +37,917 (+116.3%) | June 30, 2026 |
| 5 | Millennium Management LLC | 0.07% | 62K | $67,119 | −27,129 (−30.4%) | June 30, 2026 |
| 6 | Vanguard Fiduciary Trust Co | 0.06% | 49K | $53,186 | — | June 30, 2026 |
| 7 | Citadel Advisors Llc | 0.03% | 28K | $30,566 | +28,302 (0.0%) | June 30, 2026 |
| 8 | Northern Trust Corp | 0.02% | 18K | $19,736 | +4,420 (+31.9%) | June 30, 2026 |
| 9 | State Street Corp | 0.02% | 17K | $17,992 | — | June 30, 2026 |
| 10 | XTX Topco Ltd | 0.01% | 10K | $11,205 | +10,375 (0.0%) | June 30, 2026 |
| 11 | Tower Research Capital LLC | 0.01% | 6,596 | $7,124 | +1,413 (+27.3%) | June 30, 2026 |
| 12 | Vanguard Global Advisers, LLC | <0.01% | 1,726 | $1,864 | — | June 30, 2026 |
| 13 | Royal Bank of Canada | <0.01% | 1,000 | $1,080 | +1,000 (0.0%) | June 30, 2026 |
| 14 | UBS Group AG | <0.01% | 231 | $249 | −54,739 (−99.6%) | June 30, 2026 |
| 15 | Morgan Stanley - Brokerage Accounts | <0.01% | 200 | $216 | −3 (−1.5%) | June 30, 2026 |
| 16 | Hanson Mcclain Inc | 0.00% | 32 | $35 | — | June 30, 2026 |
| 17 | HARBOUR INVESTMENTS, INC. | 0.00% | 19 | $21 | — | June 30, 2026 |
| 18 | JPMorgan Chase & Co | 0.00% | 3 | $3 | −383,400 (−100.0%) | June 30, 2026 |
| 19 | Citigroup Inc | 0.00% | — | — | −2 (−100.0%) | June 30, 2026 |
| 20 | Bank of America Corp | 0.00% | — | — | −132 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 6 holders added 83K shares and 7 cut 484K.
MDIA top mutual fund and ETF holders
6 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.06% | 50K | $54,064 | −269 (−0.5%) | August 31, 2026 |
| 2 | Fidelity Nasdaq Composite Index | 0.03% | 21K | $22,924 | — | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.01% | 5,216 | $5,633 | — | August 31, 2026 |
| 4 | Fidelity Total Market Index | 0.01% | 4,718 | $5,095 | — | August 31, 2026 |
| 5 | Vanguard U.S. Eq Idx £ Acc | <0.01% | 1,726 | $1,864 | — | August 31, 2026 |
| 6 | Gabelli Global Mini Mites I | <0.01% | 1,000 | $1,080 | — | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MDIA insider transactions
latest 6| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-05-21 | Corp Emmis | Sell | $1.25 | 40,298 | $50,372 |
| 2024-05-17 | Corp Emmis | Sell | $1.46 | 4,547 | $6,639 |
| 2023-06-14 | Corp Emmis | Sell | $1.39 | 12,913 | $17,949 |
| 2023-06-12 | Corp Emmis | Sell | $1.27 | 1,026 | $1,303 |
| 2023-06-05 | Corp Emmis | Sell | $1.32 | 1,812 | $2,392 |
| 2023-06-02 | Corp Emmis | Sell | $1.27 | 3,100 | $3,937 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MDIA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MDIA
Institutional investors own 90.4% of MediaCo's shares and insiders 0.40%. The largest holder is Standard General LP with 42.16% of the shares (35.4M), as of June 30, 2026. Among the top 20 institutions, 6 added shares and 7 reduced their stake in the latest filings. Short interest is 0.55% of the float, or 0.93 days of average trading volume. The share count rose 1,029.9% since 2018.
Related: MDIA key metrics. See the MDIA stock overview for the latest quote and news.
MDIA ownership FAQ
Who owns the most MediaCo stock?
The largest shareholders of MediaCo are Standard General LP (42.16%), BlackRock Inc (42.00%), Geode Capital Management, LLC (0.11%), Vanguard Capital Management, LLC (0.08%), Millennium Management LLC (0.07%).
What percentage of MediaCo is owned by institutions?
Institutions hold 90.4% of MediaCo's shares outstanding; insiders hold 0.40%.
Which funds own MediaCo?
The largest fund holders of MediaCo are Fidelity Extended Market Index (0.06%), Fidelity Nasdaq Composite Index (0.03%), Fidelity Series Total Market Index (0.01%), Fidelity Total Market Index (0.01%), Vanguard U.S. Eq Idx £ Acc (<0.01%).
What is MediaCo's short interest?
12K shares of MediaCo were sold short, 0.55% of the float; at the average daily volume it would take 0.93 days to cover.
Are insiders buying or selling MediaCo?
Of the latest 6 reported insider transactions in MediaCo (since June 2, 2023), 0 were purchases and 6 were sales.
How many shares of MediaCo are outstanding?
MediaCo has 78.6M shares outstanding, of which 42.9M are in the public float.