Sierra Investment Management provides financial planning and portfolio management for individuals and small businesses. Financial planning was provided to 1–10 clients last fiscal year.
Sierra Investment Management reports 312 clients. They include 193 individual clients, 101 high-net-worth individuals, and 7 pension and profit-sharing plans. Of its assets, 100.0% ($361M across 759 accounts) are managed with discretion.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 62% | 21% |
| High-net-worth individuals | 32% | 72% |
| Pension and profit-sharing plans | 2% | 3% |
| Charitable organizations | <1% | <1% |
| Corporations and other businesses | <1% | <1% |
| Other client typesOther | 2% | 3% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 193 | $75.7M | 21.0% | $392K |
| High-net-worth individuals | 101 | $259M | 71.8% | $2.57M |
| Pension and profit-sharing plans | 7 | $12.3M | 3.4% | $1.75M |
| Charitable organizations | Fewer than 5 | $713K | 0.2% | $713K |
| Corporations and other businesses | 3 | $2.11M | 0.6% | $703K |
| Other | 7 | $10.8M | 3.0% | $1.54M |
| Total | 312 | $361M | 100% | — |
- Clients
- 193
- Regulatory AUM
- $75.7M
- AUM share
- 21.0%
- Avg. per client
- $392K
- Clients
- 101
- Regulatory AUM
- $259M
- AUM share
- 71.8%
- Avg. per client
- $2.57M
- Clients
- 7
- Regulatory AUM
- $12.3M
- AUM share
- 3.4%
- Avg. per client
- $1.75M
- Clients
- Fewer than 5
- Regulatory AUM
- $713K
- AUM share
- 0.2%
- Avg. per client
- $713K
- Clients
- 3
- Regulatory AUM
- $2.11M
- AUM share
- 0.6%
- Avg. per client
- $703K
- Clients
- 7
- Regulatory AUM
- $10.8M
- AUM share
- 3.0%
- Avg. per client
- $1.54M
Total
- Clients
- 312
- Regulatory AUM
- $361M
- AUM share
- 100%
- Avg. per client
- —
- 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
- 1–10
Sierra Investment Management is paid through a percentage of assets under management. The reviewed brochures do not disclose an asset-based fee rate. Read the SEC-filed brochure. The brochure also prices one other service, listed under fee details.
Fee details and sources
Other fees
- Private placement variable annuity advisory
- Investment management for Axcelus PPVA separate accounts is charged a flat 1% Advisory Fee, debited quarterly in advance.
Sierra Investments Group, LLC owns 75% or more of Sierra Investment Management and is in turn owned by Sierra Investments Holdings, LLC (75% or more). Albert Schweiss is CEO; the leadership team includes Chief Investment Officer Ryan Harder, Chief Operating Officer Kristine Stromeyer and Chief Financial Officer Annalisa Donati. It has 34 employees, 8 of them in advisory roles.
Leadership
- Albert SchweissChief Executive Officer
- Annalisa DonatiChief Financial Officer
- Kristine StromeyerChief Operating Officer
- Erik MorrisChief Compliance Officer
- Vanda FreesmanChief Marketing Officer
- Ryan HarderChief Investment Strategist
- Kenneth SleeperManaging Member
- James StaubinChief Investment Officer
- David WrightManaging Member
Investment adviser representatives
5 representatives listed in the SEC register as of 9 October 2026.
- Nathan Henry Brummel
- Gira Patel
- Marshall Quan
- Kenneth Lee Sleeper
- David Chandler Wright
Staff
- 34 employees
- 8 in advisory functions
- 6 state-registered reps
- 2 broker-dealer reps
- Owns 75% or more of Sierra Investment Management, LLC
Sierra Investments Group, LLC
Control person · since October 2024
- Owns 75% or more of Sierra Investments Group, LLC
Sierra Investments Holdings, LLC
Control person · since October 2024
- Owns 50% to 75% of Sierra Investments Holdings, LLC
Ocean Park Asset Management, Inc
Control person · since October 2024
- Owns 50% to 75% of Ocean Park Asset Management, Inc
Kenneth Sleeper
Control person · since October 1989
- Owns 50% to 75% of Ocean Park Asset Management, Inc
The Zofia and David Wright Family Trust
Control person · since January 2026
David Wright
Trustee · Control person · since October 1989
Zofia Wright
Trustee · since January 2026
Sierra Investment Management’s regulatory assets fell from $517M (March 2021) to $361M (July 2026); clients fell from 423 to 312 and employees from 38 to 34.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| July 2026 | $361M | 312 | 34 | 1 |
| March 2025 | $385M | 355 | 31 | 1 |
| July 2024 | $388M | 369 | 51 | 1 |
| March 2023 | $416M | 408 | 40 | 1 |
| July 2022 | $495M | 431 | 40 | 1 |
| March 2021 | $517M | 423 | 38 | 2 |
Besides its headquarters, Sierra Investment Management has 0 offices, with 1 listed address in California.
California · 1 listed address
- 3420 Ocean Park BLVD, Ste 3060, Santa MonicaHQ
Contact and registration details
- Legal name
- Sierra Investment Management, LLC
- Headquarters
- 3420 Ocean Park BLVD, Ste 3060, Santa Monica, CA 90405
- Website
- sierrainvestment.com
- Phone
- 310-452-1887
- @sierra-investment-management
- SEC file
- 801-42954
- Founded
- 1992
- Structure
- Delaware LLC
- Fiscal year end
- December
Sierra Investment Management uses Charles Schwab ($347M) as custodian for its separately managed accounts. Sierra Investment Management has custody of $227M in client assets for 213 clients.
- Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $347M100%
At year end, Sierra Investment Management’s separately managed accounts were mostly in funds (100%).
What the accounts hold
- Funds100%
How many clients does Sierra Investment Management have?
Sierra Investment Management has 312 clients and manages $361 million for them, as of July 2026. They include 193 individual clients, 101 high-net-worth individuals, and 7 pension and profit-sharing plans.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 15 July 2026
What services does Sierra Investment Management offer?
Sierra Investment Management 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
Which custodians does Sierra Investment Management use?
Sierra Investment Management’s separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $347M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 15 July 2026
How many financial advisors does Sierra Investment Management have?
Sierra Investment Management has 6 investment adviser representatives registered with state securities authorities, out of 34 employees, and 8 perform investment advisory functions. 2 employees are registered representatives of a broker-dealer and 0 employees are 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 Sierra Investment Management invest in?
At the end of its last fiscal year, Sierra Investment Management’s separately managed accounts held 100% registered funds (mutual funds, ETFs, BDCs).
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Sierra Investment Management?
Sierra Investment Management is owned through a chain of holding companies by Kenneth Sleeper. Its direct owner is Sierra Investments Group, LLC (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 15 July 2026
How does Sierra Investment Management get paid?
Sierra Investment Management 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
Is Sierra Investment Management registered with the SEC?
Yes, Sierra Investment Management has been registered with the SEC as an investment adviser since 23 December 1992. Its CRD number is 106615 and its SEC file number is 801-42954.
Source: Form ADV Part 1A, Item 1, filed 15 July 2026; IAPD firm record
How do I contact Sierra Investment Management?
Sierra Investment Management’s main office is at 3420 Ocean Park BLVD, Ste 3060, Santa Monica, CA 90405. Its phone number is 310-452-1887. Its website is sierrainvestment.com.