
MediaCo Holding Inc.
MediaCo Holding Inc. (MDIA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MDIA · as of Sep 30, 2025
Ownership Breakdown
15
Institutional Holders
▼ 2 vs Q2
$92.86M
Total Inst. Value
▲ $43.87M vs Q2
53.38M
Shares Outstanding
freeFloat 90.41%
73.12M
13F Shares Held
▲ 28.17M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MDIA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
STANDARD GENERAL L.P. radio broadcasting stations | 35.43M | 44.44% | 44.44% | $44.99B | Nov 14, 2025 | ▼ 2.11M |
BLACKROCK, INC. radio broadcasting stations | 35.28M | 44.26% | 44.26% | $44.81B | Nov 12, 2025 | ▲ 35.26M |
JPMORGAN CHASE & CO radio broadcasting stations | 1.94M | 2.43% | 2.43% | $2.46B | Nov 26, 2025 | ▲ 1.94M |
GEODE CAPITAL MANAGEMENT, LLC radio broadcasting stations | 116.7K | 14.63% | 14.63% | $148.29M | Nov 12, 2025 | ▲ 43.6K |
MILLENNIUM MANAGEMENT LLC radio broadcasting stations | 114.0K | 14.30% | 14.30% | $144.82M | Nov 14, 2025 | ▼ 30.2K |
UBS GROUP AG radio broadcasting stations | 90.4K | 11.34% | 11.34% | $114.81M | Nov 13, 2025 | ▲ 48.7K |
VANGUARD GROUP INC radio broadcasting stations | 83.6K | 10.48% | 10.48% | $106.13M | Nov 7, 2025 | ▲ 34.4K |
CITADEL ADVISORS LLC radio broadcasting stations | 32.4K | 4.06% | 4.06% | $41.09M | Nov 14, 2025 | ▲ 32.4K |
STATE STREET CORP radio broadcasting stations | 16.7K | 2.09% | 2.09% | $21.16M | Nov 14, 2025 | — held |
NORTHERN TRUST CORP radio broadcasting stations | 13.9K | 1.74% | 1.74% | $17.59M | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
8
Increased
+37.36M shares0
New Positions
first time holders2
Decreased
−2.14M shares3
Sold Out
fully exitedNet shares change (top 50)
+35.22M
+37.36M / −2.14M
Net new holders
+3
0 new / 3 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MDIA insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
3
Sell transactions
0.33
Buy/Sell ratio
$30M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Standard General L.P.
| Sep 12, 2025 | J-Other | 2,105,596 | — | — | 35.43M | Form 4 ↗ |
BlackRock Portfolio Management LLC 10 percent owner | Sep 5, 2025 | X-InTheMoney | 28,206,152 | — | — | 35.26M | Form 4 ↗ |
BlackRock Portfolio Management LLC 10 percent owner | Sep 5, 2025 | Sale | 214 | $1.32 | $282.48 | 35.26M | Form 4 ↗ |
BlackRock Portfolio Management LLC 10 percent owner | Sep 5, 2025 | X-InTheMoney | 28,206,152 | — | — | 0 | Form 4 ↗ |
Sogadzi Kudjo Joachen Chief Operating Officer | Aug 9, 2023 | Award | 131,581 | $1.14 | $150.0K | 131.6K | Form 4 ↗ |
Sogadzi Kudjo Joachen Chief Operating Officer | Jul 15, 2024 | Tax Withhold | 16,496 | $3.47 | $57.2K | 115.1K | Form 4 ↗ |
EMMIS CORP
| May 22, 2024 | Sale | 10,781 | $1.25 | $13.5K | 306.5K | Form 4 ↗ |
EMMIS CORP
| May 17, 2024 | Sale | 4,547 | $1.46 | $6.6K | 357.6K | Form 4 ↗ |
EMMIS CORP
| May 21, 2024 | Sale | 40,298 | $1.25 | $50.4K | 317.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
MediaCo Holding Inc. (MDIA) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 9.59%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of MediaCo Holding Inc. is STANDARD GENERAL L.P., holding approximately 35.43 million shares — equal to 44.44% of outstanding shares — as of September 30, 2025.
A total of 15 institutional investors currently hold MDIA stock, with a combined institutional value of approximately $92,863,791 as of the most recent 13F filing period.
Frequently asked questions
MDIA ownershipMediaCo Holding Inc. (MDIA) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is STANDARD GENERAL L.P. with a 44.44% stake. Company insiders hold 9.59%. Data sourced from SEC Form 13F as of September 30, 2025.