# William Howson

William Howson is an investment adviser representative (IAR) with state registration records since 2017, appearing at 3 firms. Currently registered with MARINER, LLC.

## Registration history (4)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [MARINER, LLC](https://search.stillhousedata.com/firm/140195) | 2025-01-17 | present | Yes |
| [HIGHTOWER ADVISORS, LLC](https://search.stillhousedata.com/firm/145323) | 2022-05-02 | 2025-01-08 | — |
| [HIGHTOWER ADVISORS, LLC](https://search.stillhousedata.com/firm/145323) | 2021-12-22 | 2021-12-31 | — |
| [MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED](https://search.stillhousedata.com/firm/7691) | 2017-08-10 | 2021-06-22 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/6679772)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/6679772.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.
