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Merrithew & Thorsten

Wealth managementRIA

San Diego, CACRD 133563Updated

Merrithew & Thorsten is an investment adviser based in San Diego, CA, registered with the SEC since 2021. It provides financial planning and investment management. Its clients include high-net-worth individuals and individual clients. Its regulatory assets under management total $155 million, as filed on 10 February 2026.

125
Clients
$1.24M
AUM per individual client
2
Advisory staff
1
Offices
0.50–1.00%
Annual fee

From Form ADV filed 10 February 2026SEC record

Services and clients

Merrithew & Thorsten provides financial planning and portfolio management for individuals and small businesses. Financial planning was provided to 101–250 clients last fiscal year.

Merrithew & Thorsten reports 125 clients. They include 71 individual clients and 54 high-net-worth individuals. Of its assets, 100.0% ($155M across 372 accounts) are managed with discretion.

Clients and assets by client type
Clients125 clients
Assets$155M
Client typeClientsAssets
Individuals (other than HNW)57%19%
High-net-worth individuals43%81%
Client breakdown and activity details
Individuals (other than HNW)
Clients
71
Regulatory AUM
$29.9M
AUM share
19.3%
Avg. per client
$421K
High-net-worth individuals
Clients
54
Regulatory AUM
$125M
AUM share
80.7%
Avg. per client
$2.32M

Total

Clients
125
Regulatory AUM
$155M
AUM share
100%
Avg. per client
$1.24M
Clients outside the U.S.
0%
Clients advised without assets under management last fiscal year
0
Private funds advised
0
Financial planning clients last fiscal year
101–250

Fees and minimums

Merrithew & Thorsten charges 0.50%–1.00% a year for its Asset Management Agreement. Each asset band is charged at its own rate. The fee is billed in advance, is negotiable and requires an account of at least $1,000,000. The brochure also prices 2 other services, listed under fee details.

$0–$1M1.00%
$1M–$2M0.75%
$2M and above0.50%
Fee details and sources

Other fees

Financial planning retainer
Comprehensive financial planning is a flat retainer, generally $5,000 to $6,000, with half due on signing and the balance billed in six months.
Plan asset billing
Assets in 401(k), 401(a), 403(b) and deferred compensation plans outside SSG are billed at one half of the above rates unless a new plan set-up is involved.

Ownership and people

Leslie Merrithew owns 50% to 75% of Merrithew & Thorsten. The leadership team of Merrithew & Thorsten includes Chief Compliance Officer Brandon Thorsten. It has 2 employees.

Loading adviser profiles

Staff

  • 2 employees
  • 2 in advisory functions
  • 2 state-registered reps
Who owns the firm
Merrithew & Thorsten, Inc.· the adviser
  • Leslie Merrithew

    Control person · since January 2001

    Owns 50% to 75% of Merrithew & Thorsten, Inc.
  • Brandon Thorsten

    Control person · since January 2001

    Owns 50% to 75% of Merrithew & Thorsten, Inc.

Growth and acquisitions

Merrithew & Thorsten’s regulatory assets grew from $119M (April 2021) to $155M (February 2026); clients fell from 132 to 125 and employees were 2 in both filings.

By annual filing
Measure
Figures from each annual filing
FiledRegulatory AUMClientsStaffEmployeesOffices
Feb 2026February 2026$155M12521
Jan 2025January 2025$146M12721
Feb 2024February 2024$127M11721
Feb 2023February 2023$114M12821
Jun 2022June 2022$150M13521
Apr 2021April 2021$119M13221

Offices and registration details

Besides its headquarters, Merrithew & Thorsten has 0 offices, with 1 listed address in 1 state.

Listed office addresses by state

California · 1 listed address

  • 9820 Willow Creek Road, Suite 200, San DiegoHQ

Contact and registration details

Legal name
Merrithew & Thorsten, Inc.
Headquarters
9820 Willow Creek Road, Suite 200, San Diego, CA 92131
SEC file
801-121274
Structure
California corporation
Fiscal year end
December

Custodians

Merrithew & Thorsten’s named custodians for separately managed accounts are Altruist ($150M, 97%) and Pershing ($5M, 3%). Merrithew & Thorsten does not have custody of client assets.

Reported separately managed account assets by custodian
$155M
named custodians
  • PershingPershing LLC · Jersey City, NJ · $5M3%
  • AltruistAltruist Financial LLC · Culver City, CA · $150M97%

Investments and reported holdings

At year end, Merrithew & Thorsten’s separately managed accounts were mostly in stocks (75%) and funds (23%). Its reported 13F holdings for the quarter ended 30 June 2026 total $117K across 116 positions; the largest are Vanguard Index Fds (25.0%), Invesco Qqq TR (17.7%) and Pimco Corporate & Income Opp (15.3%).

What the accounts hold

Separately managed account assets by class, year end
  • Stocks75%
  • Funds23%
  • Cash2%
Loading reported holdings

Common questions

How many clients does Merrithew & Thorsten have?

Merrithew & Thorsten has 125 clients and manages $155 million for them, as of February 2026. They include 71 individual clients and 54 high-net-worth individuals.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 10 February 2026

What services does Merrithew & Thorsten offer?

Merrithew & Thorsten provides financial planning and portfolio management for individuals and small businesses.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file

How much does Merrithew & Thorsten charge?

Merrithew & Thorsten charges 0.50%–1.00% a year for its Asset Management Agreement. Each asset band is charged at its own rate. The fee is billed in advance, is negotiable and requires an account of at least $1,000,000.

Source: 2026 ADV PART 2, filed 10 February 2026

Which custodians does Merrithew & Thorsten use?

Merrithew & Thorsten’s separately managed account assets are held at Altruist Financial LLC (Culver City, CA), with $150M and Pershing LLC (Jersey City, NJ), with $5M. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 10 February 2026

How many financial advisors does Merrithew & Thorsten have?

Merrithew & Thorsten has 2 investment adviser representatives registered with state securities authorities, out of 2 employees, and 2 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

What does Merrithew & Thorsten invest in?

At the end of its last fiscal year, Merrithew & Thorsten’s separately managed accounts held 75% exchange-traded equities, 23% registered funds (mutual funds, ETFs, BDCs) and 2% cash and equivalents.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Does Merrithew & Thorsten have a minimum investment?

Yes, Merrithew & Thorsten’s minimum account size for its Asset Management Agreement is $1M.

Source: 2026 ADV PART 2, filed 10 February 2026

Who owns Merrithew & Thorsten?

Merrithew & Thorsten’s direct owners are Leslie Merrithew (50% to 75%) and Brandon Thorsten (50% to 75%).

Source: Form ADV Part 1A, Schedules A and B, filed 10 February 2026

How does Merrithew & Thorsten get paid?

Merrithew & Thorsten is paid through a percentage of assets under management and other compensation. Its Form ADV lists no commissions or performance-based fees among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file

How do I contact Merrithew & Thorsten?

Merrithew & Thorsten’s main office is at 9820 Willow Creek Road, Suite 200, San Diego, CA 92131. Its phone number is 858-547-1845. Its website is fee-only-planner.com.

Source: Form ADV Part 1A, Item 1.F, filed 10 February 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 10 February 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. 2026 ADV PART 2, submitted 10 February 2026.
  3. IAPD firm record, CRD 133563.
  4. SEC registered adviser data, annual Form ADV amendments filed 21 April 2021 to 10 February 2026. Items 1.F and 5.
  5. SEC investment adviser representative register, as of 9 October 2026; loaded 10 October 2026.
  6. Form 13F-HR, filed 31 July 2026 for the quarter ended 30 June 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since. Disciplinary history is not yet shown here. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one.

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