# Mark A. Theado

Mark A. Theado is an investment adviser representative (IAR) with state registration records since 2018, appearing at 3 firms. Currently registered with DIAMOND HILL CAPITAL MANAGEMENT, LLC.

## Registration history (3)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [DIAMOND HILL CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/110638) | 2022-04-20 | present | Yes |
| [J.P. MORGAN SECURITIES LLC](https://search.stillhousedata.com/firm/79) | 2019-04-09 | 2021-11-16 | — |
| [OSAIC FA, INC.](https://search.stillhousedata.com/firm/3978) | 2018-08-30 | 2019-03-07 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/6134452)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/6134452.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.