# MEDIACO HLDG INC CL A

MEDIACO HLDG INC CL A is a security (CUSIP 58450D104) tracked across SEC portfolio filings. 16 institutional managers reported $66.3M on Form 13F as of 2026-06-30; 1 registered fund positions totaling $21K via N-PORT as of 2026-03-31.

## Summary

- Issuer: MEDIACO HLDG INC
- Class: CL A
- CUSIP: 58450D104
- Asset category: EC
- 13F holders: 16
- 13F value: $66.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $21K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 16 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $34.8M | 35,284,678 |
| [Standard General L.P.](https://search.stillhousedata.com/firm/151831) | New York, NY | $23.3M | 35,426,400 |
| [HPS Investment Partners, LLC](https://search.stillhousedata.com/firm/282125) | NEW YORK, NY | $7.7M | 7,051,538 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $255K | 383,403 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $76K | 115,265 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $59K | 89,276 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $48K | 83,563 |
| UBS Group AG | Zurich, V8 | $36K | 54,970 |
| STATE STREET CORP | BOSTON, MA | $16K | 16,659 |
| NORTHERN TRUST CORP | CHICAGO, IL | $9K | 13,854 |
| Tower Research Capital LLC (TRC) | NEW YORK, NY | $3K | 5,183 |
| MORGAN STANLEY | NEW YORK, NY | $134 | 203 |
| Allworth Financial LP | FOLSOM, CA | $22 | 32 |
| [HARBOUR INVESTMENTS, INC.](https://search.stillhousedata.com/firm/19258) | MADISON, WI | $13 | 19 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $21K | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/58450D104.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.