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- Custodian
- Fidelity/NFS
- Clients
- Retail and Institutional
- Platforms
- Available
- Established Date
- 02-12-2004
- Office Locations
- 5
Office Locations
About Riverstone Advisors, LLC
Riverstone Advisors is a fee-only fiduciary providing wealth management and family-office support for tech founders, business owners, and executives, including portfolio management, cash-flow and financial planning, and proactive tax and estate coordination. For $10M+ families, it also helps with liquidity planning, philanthropy, and private investments. Portfolios lean on ETFs and public funds, and the firm cites a 99% client retention rate.
Team overview
Insights
Asset Classes
Client Personas
Custodian
Investment Themes
Investment Vehicles
Platform
Services
Technology
Owner & Executives
LESLIE JEAN LAMMERS
Co-Chief Investment Officer, Financial Advisor, President
- CRD
- #2287680
- Ownership
- 75% or more
JOHN ALEXANDER HANSON
Chief Compliance Officer, Co-Chief Investment Officer, CO-CIO, PORTFOLIO MANAGER, Principal
- CRD
- #5962984
- Ownership
- Less than 5%
Showing 2 of 2 owners & executives
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Christina Flower
Portfolio Manager
- CRD
- --
JOHN ALEXANDER HANSON
Chief Compliance Officer, Co-Chief Investment Officer, CO-CIO, PORTFOLIO MANAGER, Principal
- CRD
- #5962984
Showing 2 of 6 contacts
Unlock allAssets Under Management
| Category | Assets | AVG. Account size |
|---|---|---|
| Discretionary | $640,943,431 | $1,193,563 |
| Non-Discretionary | $0 | -- |
| Total | $640,943,431 | $1,193,563 |
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Separately Managed Accounts
Total SMA Asset: Available
| Asset class | Assets | Assets % |
|---|---|---|
| Public Funds | Available | Available |
| Equity - Exchange | Available | Available |
| Cash | Available | Available |
| U.S. Government/Agency | Available | Available |
| Municipal Bonds | Available | Available |
| Other | Available | Available |
| Total | Available | Available |
13F Holdings | Q1 2026
| Issuer | Class | CUSIP | Ticker | % | Value |
|---|---|---|---|---|---|
| Available | Available | Available | Available | Available | Available |
| Available | Available | Available | Available | Available | Available |
| Available | Available | Available | Available | Available | Available |
| Available | Available | Available | Available | Available | Available |
| Available | Available | Available | Available | Available | Available |
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