SEC-registered independent wealth management RIA
Martinsen Wealth Management
As of its Form ADV filed June 30, 2026, Martinsen Wealth Management, an SEC-registered independent wealth management RIA in Tempe, Arizona, reported $143.2 million in regulatory assets under management across 846 accounts, ranking #131 among independent RIAs in Arizona by assets.
Registration
- Registration
- SEC-registered, Approved
- CRD number
- 332433
- SEC file number
- 801-130933
- Registered since
- August 16, 2024
- Latest Form ADV filing
- June 30, 2026
- Legal name
- MARTINSEN WEALTH MANAGEMENT, LLC
- Organized as
- Limited Liability Company
- Fiscal year ends
- December
- Other offices
- 2
Key figures
- Regulatory assets under management
- $143.2 million
- Discretionary
- $143.2 million (100.0%)
- Non-discretionary
- $0
- Accounts
- 846 (846 discretionary)
- Clients
- 366, approximate as reported
- Employees
- 19
- Advisory staff
- 7 performing investment advisory functions
- Average account
- $169,277
- Asset growth, 1 year
- 39.9% (from $102.3 million a year earlier)
- Asset growth, 3-year annual rate
- Not reported
- Asset growth, 5-year annual rate
- Not reported
- Client growth, 1 year
- 21.2% (from 302)
Independent wealth management RIA: individual and high net worth clients hold at least half of its regulatory assets, it offers financial planning or portfolio management for individuals, and it is not a broker-dealer, a bank or part of one by the directory's rules. How firms are classed.
Growth rates come from the SEC's yearly snapshots and are left blank when the years are not comparable.
Rankings
Among independent wealth management RIAs.
| Ranking | Nationally | In Arizona | Value |
|---|---|---|---|
| Largest independent RIAs by assets under management | #6,586 | #131 | $143.2 million |
| Fastest-growing independent RIAs over one year | #556 | #12 | 39.9%from $102.3 million |
| Independent RIAs with the biggest asset gains over one year | #3,910 | #73 | $40.9 million |
| Independent RIAs with the most clients | #3,191 | #74 | 366 |
| Independent RIAs with the fastest client growth over one year | #705 | #22 | 21.2%from 302 |
| Independent RIAs with the most accounts | #3,071 | #72 | 846 |
| Independent RIAs with the most advisory staff | #1,737 | #41 | 7 |
| Independent RIAs with the most high net worth clients | #8,152 | #194 | 28 |
| Independent RIAs with the most CFP professionals | #1,937 | #42 | 2 |
Assets over time
Data table
| As of | RAUM |
|---|---|
| October 1, 2024 | $0 |
| September 2, 2025 | $102.3 million |
| October 2, 2026 | $143.2 million |
Clients and services
Client mix
| Measure | Bar | RAUM |
|---|---|---|
| Individuals (other than high net worth) 326 clients | $85.7 million | |
| High net worth individuals 28 clients | $55.4 million | |
| Pension and profit sharing plans 11 clients | $1.8 million | |
| Corporations or other businesses fewer than 5 clients | $308,208 |
How the firm is paid
- A percentage of assets under management
Advisory services
- Financial planning
- Portfolio management for individuals or small businesses
- Selection of other advisers
Financial planning clients (Item 5.H): 251-500.
Wrap fee program sponsor or portfolio manager: yes.
Other business, affiliations and custody
Other business activities (Item 6.A)
- Insurance broker or agent
- Accountant or accounting firm
- Other financial products
Financial industry affiliations (Item 7.A)
- Accountant or accounting firm
- Insurance company or agency
Custody (Item 9)
The firm reported custody of client cash or securities, $12.0 million in total.
Investment adviser representatives
- IARs registered with the firm
- 7
- Also registered through a broker-dealer
- 0
- Employees who are IARs (Form ADV 5.B(3))
- 7
Designations held by the firm's IARs: CFP 2.
0 of the firm's 7 IARs are registered in jurisdictions that require IAR CE. IAR CE requirements by state.
Counts only. AdvisorIQ does not list individual people.
Disclosures
On Form ADV Item 11 the firm answered yes to 0 disclosure questions. See the detail on IAPD.
Succession and acquired firms
On Form ADV Item 4 the firm did not report succeeding to another adviser's business.
Similar-sized firms in Arizona
| Firm | City | RAUM |
|---|---|---|
| Vista Cima Wealth Management LLC | Surprise | $142.5 million |
| Foothills Advisors, LLC | Cave Creek | $142.1 million |
| Fortress Financial Solutions, LLC | Tucson | $142.0 million |
| Immaculate Wealth Management, LLC | Mesa | $140.8 million |
| Wisdom Wealth Investment Advisors LLC | Phoenix | $138.8 million |
The five independent RIAs nearest in regulatory assets with a main office in the same state.
Elsewhere
- Martinsen Wealth Management on IAPD: Form ADV, brochures and disclosure detail.
- Firm website: www.martinsenwealth.com
- Independent RIAs in Arizona
Firm data as of October 2, 2026, from ia100226.zip. Figures are as the firm reported them; corrections are made on Form ADV and appear after the next monthly reload.
Data as of October 2, 2026, from Form ADV. Sources: SEC registered adviser data (ia100226.zip) and IAPD compilation reports. How the directory is built.