# WILLIAM PATRICK CALLAHAN

WILLIAM PATRICK CALLAHAN is an investment adviser representative (IAR) with state registration records since 2000, appearing at 5 firms. Currently registered with CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC..

## Registration history (5)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.](https://search.stillhousedata.com/firm/134139) | 2020-03-26 | present | Yes |
| [FULCRUM ADVISORY SERVICES, LLC](https://search.stillhousedata.com/firm/131777) | 2008-06-13 | 2014-03-17 | — |
| [BANC OF AMERICA INVESTMENT SERVICES, INC.](https://search.stillhousedata.com/firm/16361) | 2004-10-20 | 2008-05-28 | — |
| [QUICK & REILLY, INC.](https://search.stillhousedata.com/firm/11217) | 2003-09-03 | 2004-10-20 | — |
| [MORGAN STANLEY DW INC.](https://search.stillhousedata.com/firm/7556) | 2000-02-08 | 2003-09-03 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/4020459)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/4020459.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.