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PROMETHIUM
Legal name: PROMETHIUM ADVISORS, LLC
CRD 329565File 801-129368
APPROVED
Retail clients
Custody
Filing as of Aug 4, 2026
Feed vintage Aug 17, 2026
Regulatory AUM
$235.3M
Below cohort median (national)
Discretionary AUM
$235.3M
Clients
287
287 accounts
Employees
4
Bottom 25% of cohort in MD
Identity & registration
ADV Item 1- Organization form
- Limited Liability Company
- Firm type
- Registered
- SEC region
- PLRO
- Registration date
- Jan 24, 2024
- Principal office
- 7272 WISCONSIN AVE, 10-105, BETHESDA, MD, 20814
- Phone
- 202-978-2519
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $235.3M
- Discretionary AUM
- $235.3M
- Non-discretionary AUM
- $0
- Discretionary accounts
- 287
- Non-discretionary accounts
- 0
- Total accounts
- 287
- AUM per client
- $820K
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Other | 10 | $4.6M |
| High net worth individuals | 208 | $219.1M |
| Individuals (other than high net worth individuals) | 69 | $11.6M |
Compensation & activities
ADV Items 5E, 5GCompensation
- A percentage of assets under your management
Advisory activities
- Financial planning services
- Portfolio management for other
- Portfolio management for businesses
- Portfolio management for individuals and/or small businesses
Custody
ADV Item 9- Firm Custody Cash
- Yes
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- Yes
- Related Person Custody Cash
- Yes
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- No
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To |
|---|---|---|---|
| Aug 12, 2026 | Registration | — | APPROVED |
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.