# WILLIAM SEYFARTH

WILLIAM SEYFARTH is an investment adviser representative (IAR) with state registration records since 2018, appearing at 5 firms. Currently registered with VISTAMARK INVESTMENTS LLC.

## Registration history (5)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [VISTAMARK INVESTMENTS LLC](https://search.stillhousedata.com/firm/335309) | 2025-10-23 | present | Yes |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | 2023-08-07 | 2025-09-17 | — |
| [KEEBECK WEALTH MANAGEMENT](https://search.stillhousedata.com/firm/297496) | 2022-02-07 | 2023-04-13 | — |
| [GOLDMAN SACHS WEALTH SERVICES, L.P.](https://search.stillhousedata.com/firm/106693) | 2019-08-30 | 2021-12-15 | — |
| [DIMENSIONAL FUND ADVISORS LP](https://search.stillhousedata.com/firm/106482) | 2018-08-07 | 2019-03-29 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/6921144)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/6921144.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.