Ethan Rush
Sigma Advisors · St. Louis, Missouri
Ethan Rush is a fee-only financial advisor at Sigma Advisors in St. Louis, Missouri. Ethan charges a flat fee or retainer and focuses on estate & legacy planning, tax planning and family wealth transfer.
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Specialties
Who they serve
- Ultra high net worth
- Multi-generational families
Facts
| Firm | Sigma Advisors |
|---|---|
| Based in | St. Louis, Missouri |
| Fee model | Flat fee or retainer |
| Assets under management | $65M across 12 accounts |
| SEC registration | Investment adviser representative in MO · CRD 5655532 |
| Exams passed | Series 66 (2009) |
| Firm size | 1 employee |
| Disclosures | None reported |
| Website | www.sigmallc.com |
| Profile |
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Questions about Ethan
Is Ethan Rush a fee-only financial advisor?
Yes, according to SEC records as of October 29, 2026: Ethan holds no broker registration, and Sigma Advisors reports no commissions, no broker-dealer, and no insurance sales or affiliated insurance agency on its Form ADV.
How does Ethan charge for financial advice?
Ethan charges a flat fee or retainer.
Where is Ethan Rush based?
Ethan Rush is based in St. Louis, Missouri.
What does Ethan specialize in?
Ethan's specialties include estate & legacy planning, tax planning and family wealth transfer. Ethan works with ultra high net worth and multi-generational families.
Is Ethan Rush registered with the SEC?
Yes. Ethan Rush is registered as an investment adviser representative in MO (CRD 5655532), per SEC Investment Adviser Public Disclosure data as of October 29, 2026.
How much does Sigma Advisors manage?
Sigma Advisors reports $65M across 12 accounts in assets under management.
How do I contact Ethan Rush?
Through Ethan's website, www.sigmallc.com.
What these terms mean: fee-only · fiduciary · CFP · CRD number · all terms
Where this information comes from
- SEC adviser records : the firm's Form ADV reports no commissions, no broker-dealer, and no insurance sales or affiliated insurance agency, and the advisor holds no broker registration
- Sigma Advisors website : specialties, clients served, and fees, checked October 30, 2026
- SEC Investment Adviser Public Disclosure : registration, exams, and the firm's Form ADV, data as of October 29, 2026
- Directory listing last checked October 30, 2026.
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