Primestor Investment Management provides portfolio management for pooled vehicles. The firm advises 4 private funds.
Primestor Investment Management reports 4 pooled investment vehicles. These counts refer to investment vehicles, rather than the individual investors in them. Of its assets, 56.7% ($133M across 3 accounts) are managed with discretion; $101M across 1 account is not.
| Client type | Clients | Assets |
|---|---|---|
| Pooled investment vehicles | 100% | 100% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Pooled investment vehicles | 4 | $234M | 100.0% | $58.6M |
| Total | 4 | $234M | 100% | $58.6M |
- Clients
- 4
- Regulatory AUM
- $234M
- AUM share
- 100.0%
- Avg. per client
- $58.6M
Total
- Clients
- 4
- Regulatory AUM
- $234M
- AUM share
- 100%
- Avg. per client
- $58.6M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 4
Primestor Investment Management is paid through a percentage of assets under management, performance-based fees and other compensation; its fees and minimums are set out in its brochures on the SEC website.
Primestor Development, LLC owns 75% or more of Primestor Investment Management and is in turn owned by Primestor Development Inc. (75% or more). Arturo Sneider is CEO; the leadership team includes President Leandro Tyberg, Chief Investment Officer Lonnie Vidaurri and Chief Operating Officer Allison Lynch. It has 51 employees, 8 of them in advisory roles.
Staff
- 51 employees
- 8 in advisory functions
- Owns 75% or more of Primestor Investment Management, LLC
Primestor Development, LLC
Control person · since March 2024
- Owns 75% or more of Primestor Development, LLC
Primestor Development Inc.
Control person · since November 2018
Primestor Investment Management’s regulatory assets grew Infinity× from $0 (July 2022) to $234M (May 2026); employees rose from 46 to 51.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | StaffEmployees | Offices |
|---|---|---|---|---|
| May 2026May 2026 | $234M | 4 | 51 | 1 |
| May 2025May 2025 | $239M | 4 | 45 | 1 |
| May 2024May 2024 | $142M | 2 | 48 | 1 |
| Jun 2023June 2023 | $131M | 2 | 48 | 1 |
| Jul 2022July 2022 | $0 | 0 | 46 | 1 |
Besides its headquarters, Primestor Investment Management has 0 offices, with 1 listed address in 1 state.
California · 1 listed address
- 9950 Jefferson BLVD, BLDG 2, Culver CityHQ
Contact and registration details
- Legal name
- Primestor Investment Management, LLC
- Headquarters
- 9950 Jefferson BLVD, BLDG 2, Culver City, CA 90232
- Website
- Not reported
- Phone
- 310-652-1177
- @primestor-development
- SEC file
- 801-128443
- Structure
- Delaware LLC
- Fiscal year end
- December
Primestor Investment Management has custody of client assets.
How many clients does Primestor Investment Management have?
Primestor Investment Management has 4 clients and manages $234 million for them, as of May 2026. They include 4 pooled investment vehicles.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 14 May 2026
What services does Primestor Investment Management offer?
Primestor Investment Management provides portfolio management for pooled vehicles.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How many financial advisors does Primestor Investment Management have?
Primestor Investment Management has 0 investment adviser representatives registered with state securities authorities, out of 51 employees, and 8 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
Who owns Primestor Investment Management?
Primestor Investment Management is owned through a holding company by Primestor Development Inc. Its direct owner is Primestor Development, LLC (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 14 May 2026
How does Primestor Investment Management get paid?
Primestor Investment Management is paid through a percentage of assets under management, performance-based fees and other compensation. Its Form ADV lists no commissions 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 Primestor Investment Management?
Primestor Investment Management’s main office is at 9950 Jefferson BLVD, BLDG 2, Culver City, CA 90232. Its phone number is 310-652-1177.