# JOSEPH MASON JOHN

JOSEPH MASON JOHN is an investment adviser representative (IAR) with state registration records since 2003, appearing at 3 firms. Currently registered with CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC..

## Registration history (3)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.](https://search.stillhousedata.com/firm/134139) | 2011-02-11 | present | Yes |
| [QA3 FINANCIAL LLC](https://search.stillhousedata.com/firm/104957) | 2008-02-04 | 2011-02-11 | — |
| [PRUCO SECURITIES, LLC](https://search.stillhousedata.com/firm/5685) | 2003-02-18 | 2008-02-04 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/2096206)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/2096206.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.