Sonnet provides portfolio management for individuals and small businesses, portfolio management for institutions, and pension consulting.
Sonnet reports 269 clients. They include 227 individual clients and 42 high-net-worth individuals. Of its assets, 93.1% ($138M across 419 accounts) are managed with discretion; $10.3M across 65 accounts are not. It advised 269 clients without assets under management last fiscal year.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 84% | 29% |
| High-net-worth individuals | 16% | 71% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 227 | $43.7M | 29.4% | $192K |
| High-net-worth individuals | 42 | $105M | 70.6% | $2.49M |
| Total | 269 | $148M | 100% | $552K |
- Clients
- 227
- Regulatory AUM
- $43.7M
- AUM share
- 29.4%
- Avg. per client
- $192K
- Clients
- 42
- Regulatory AUM
- $105M
- AUM share
- 70.6%
- Avg. per client
- $2.49M
Total
- Clients
- 269
- Regulatory AUM
- $148M
- AUM share
- 100%
- Avg. per client
- $552K
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 269
- Private funds advised
- 0
- Financial planning clients last fiscal year
- 0
Sonnet charges up to 2.20% a year for its Asset Management Fee Schedule. The fee is billed in advance, is negotiable and requires an account of at least $5,000.
Fee details and sources
Benjamin Childs owns 25% to 50% of Sonnet. It has 4 employees.
Staff
- 4 employees
- 4 in advisory functions
- 4 state-registered reps
- 1 insurance agent
- 4 soliciting firms
- Owns 25% to 50% of Sonnet, LLC
Benjamin Childs
Control person · since December 2015
- Owns 25% to 50% of Sonnet, LLC
Steven Frueh
Control person · since December 2015
- Owns 25% to 50% of Sonnet, LLC
Brian Koepp
Control person · since December 2015
Sonnet’s regulatory assets grew from $118M (July 2025) to $148M (March 2026); clients were 269 in both filings and employees were 4 in both filings.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | StaffEmployees | Offices |
|---|---|---|---|---|
| Mar 2026March 2026 | $148M | 269 | 4 | 2 |
| Jul 2025July 2025 | $118M | 260 | 4 | 2 |
Besides its headquarters, Sonnet has 1 office (1 private residence, listed without an address), with 1 listed address in 1 state.
Texas · 1 listed address
- 18935 I-45 North, SpringHQ
Contact and registration details
- Legal name
- Sonnet, LLC
- Headquarters
- 18935 I-45 North, Spring, TX 77388
- Website
- sonnetinvest.com
- Phone
- 281-404-4346
- SEC file
- 801-133807
- Structure
- Texas LLC
- Fiscal year end
- December
Sonnet’s named custodians for separately managed accounts are Charles Schwab ($134M, 97%) and Ameritas Investment ($4.52M, 3%). Sonnet does not have custody of client assets.
- Ameritas InvestmentAmeritas Investment Company, LLC · Lincoln, NE · $4.52M3%
- Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $134M97%
At year end, Sonnet’s separately managed accounts were mostly in stocks (92%).
What the accounts hold
- Stocks92%
- Cash6%
- Other2%
- Derivatives2%
How many clients does Sonnet have?
Sonnet has 269 clients and manages $148 million for them, as of March 2026. They include 227 individual clients and 42 high-net-worth individuals.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 25 March 2026
What services does Sonnet offer?
Sonnet provides portfolio management for individuals and small businesses, portfolio management for institutions, and pension consulting.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How much does Sonnet charge?
Sonnet charges up to 2.20% a year for its Asset Management Fee Schedule. The fee is billed in advance, is negotiable and requires an account of at least $5,000.
Which custodians does Sonnet use?
Sonnet’s separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $134M and Ameritas Investment Company, LLC (Lincoln, NE), with $4.52M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 25 March 2026
How many financial advisors does Sonnet have?
Sonnet has 4 investment adviser representatives registered with state securities authorities, out of 4 employees, and 4 perform investment advisory functions. 0 employees are registered representatives of a broker-dealer and 1 employee is a licensed insurance agent.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Sonnet invest in?
At the end of its last fiscal year, Sonnet’s separately managed accounts held 92% exchange-traded equities, 6% cash and equivalents and 2% derivatives.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Does Sonnet have a minimum investment?
Yes, Sonnet’s minimum account size for its Asset Management Fee Schedule is $5K.
Who owns Sonnet?
Sonnet’s direct owners are Benjamin Childs, Steven Frueh and Brian Koepp, each holding 50% or less.
Source: Form ADV Part 1A, Schedules A and B, filed 25 March 2026
How does Sonnet get paid?
Sonnet is paid through a percentage of assets under management. 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 Sonnet?
Sonnet’s main office is at 18935 I-45 North, Spring, TX 77388. Its phone number is 281-404-4346. Its website is sonnetinvest.com.