Greybull Advisors provides portfolio management for pooled vehicles. The firm advises 4 private funds.
Greybull Advisors reports 4 pooled investment vehicles. These counts refer to investment vehicles, rather than the individual investors in them. Of its assets, 100.0% ($514M across 4 accounts) are managed with discretion.
| 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 | $514M | 100.0% | $128M |
| Total | 4 | $514M | 100% | $128M |
- Clients
- 4
- Regulatory AUM
- $514M
- AUM share
- 100.0%
- Avg. per client
- $128M
Total
- Clients
- 4
- Regulatory AUM
- $514M
- AUM share
- 100%
- Avg. per client
- $128M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 4
Greybull Advisors is paid through a percentage of assets under management and performance-based fees; its fees and minimums are set out in its brochures on the SEC website.
Mason Myers owns 75% or more of Greybull Advisors. Mason Myers is CEO; the leadership team includes President Ronan Carr and Chief Operating Officer Matthew Stabler. It has 12 employees, 6 of them in advisory roles.
Leadership
- Mason MyersFounder, Chief Executive Officer
- Ronan CarrVice President, Investments
- Matthew StablerChief Operating Officer / Chief Compliance Officer
- Alexander KovrigaPartner
Investment adviser representatives
1 representatives listed in the SEC register as of 9 October 2026.
- Susannah Marie Fletcher
Staff
- 12 employees
- 6 in advisory functions
- 1 state-registered rep
- Owns 75% or more of Greybull Advisors, LLC
Mason Myers
Control person · since August 2021
Greybull Advisors’ regulatory assets grew 2.9× from $178M (March 2022) to $514M (August 2026); clients rose from 2 to 4 and employees from 10 to 12.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| August 2026 | $514M | 4 | 12 | 1 |
| July 2025 | $311M | 3 | 13 | 1 |
| July 2024 | $263M | 2 | 12 | 1 |
| March 2023 | $241M | 2 | 9 | 1 |
| March 2022 | $178M | 2 | 10 | 2 |
Besides its headquarters, Greybull Advisors has 0 offices, with 1 listed address in Wyoming.
Wyoming · 1 listed address
- 1115 Maple Way, Suite B, JacksonHQ
Other business names
Greybull Advisors has reported 1 other business name to the SEC.
- Greybull Stewardship
Contact and registration details
- Legal name
- Greybull Advisors, LLC
- Headquarters
- 1115 Maple Way, Suite B, Jackson, WY 83001
- Website
- Not reported
- Phone
- 307-364-6400
- @1019706
- SEC file
- 801-124891
- Structure
- Delaware LLC
- Fiscal year end
- December
Greybull Advisors has custody of client assets.
How many clients does Greybull Advisors have?
Greybull Advisors has 4 clients and manages $514 million for them, as of August 2026. They include 4 pooled investment vehicles.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 6 August 2026
What services does Greybull Advisors offer?
Greybull Advisors 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 Greybull Advisors have?
Greybull Advisors has 1 investment adviser representative registered with state securities authorities, out of 12 employees, and 6 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 Greybull Advisors?
Greybull Advisors’ direct owner is Mason Myers (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 6 August 2026
How does Greybull Advisors get paid?
Greybull Advisors is paid through a percentage of assets under management and performance-based fees. 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 Greybull Advisors?
Greybull Advisors’ main office is at 1115 Maple Way, Suite B, Jackson, WY 83001. Its phone number is 307-364-6400.