AdvisorCensus / Financial advisors / District of Columbia / Washington / Promethium
Promethium is an SEC-registered investment advisory firm in Bethesda, MD, registered since 2024, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated August 26, 2026.
Quick answers
From the filingHow is Promethium compensated?
On its Form ADV (Item 5.E, October 2026), Promethium reports these compensation arrangements: a percentage of assets under its management.
What does Promethium's brochure say about its fees?
Its Form ADV Part 2A brochure dated July 31, 2026 states: Asset-based fee: up to 1% of assets a year (the maximum the brochure states). Fees can differ by service and may be negotiable; the brochure is the complete statement.
Where is Promethium located?
Promethium's principal office is in Bethesda, MD, according to its Form ADV.
Is Promethium registered with the SEC or a state?
Promethium is an SEC-registered investment advisory firm, registered since 2024. Status as filed: Approved. CRD 329565.
How much does Promethium manage?
Promethium reports $235,250,991 in regulatory assets under management in its Form ADV filing dated August 26, 2026 (100% discretionary).
How have Promethium's assets and staff changed since 2024?
In the Form ADV data for Promethium: Regulatory assets under management: $281,941,841 in the October 2024 data and $235,250,991 in the October 2026 data, down 17%. Total employees: 3 in October 2024 and 4 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Promethium serve?
By number of clients on Form ADV Item 5.D: high net worth individuals (208); individuals (other than high net worth individuals) (69); corporations or other businesses not listed above (10).
Which custodians does Promethium use?
Promethium's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. and Fidelity Brokerage Services LLC as custodians holding 10% or more of its separately managed account assets.
Does Promethium report any disciplinary disclosures?
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/329565
What changed in Promethium's recent Form ADV filings?
In the August 2026 filing data: Registered or notice-filed in FL. Updated its list of owners and control persons (Schedule A).
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2AAsset-based fee: up to 1% of assets a year (the maximum the brochure states)
The brochure's wording
Our annual fee ranges up to 1% annually and is assessed and/or charged monthly in advance, based on the value at the end of the billing period .
As stated in the firm's Form ADV Part 2A brochure dated July 31, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site
Regulatory assets under management
Item 5.F$235,250,991 as of October 2026, filing dated August 26, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Financial planning services
- Portfolio management for individuals and/or small businesses
- Portfolio management for businesses (other than small businesses) or institutional clients
- Pension consulting services
Registration and firm details
Items 1, 2, 5- Legal name
- Promethium Advisors, LLC
- Also doing business as
- PROMETHIUM
- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2024 (2 years)
- Employees
- Total: 4. Performing investment advisory functions: 4.
- Wrap fee program participation
- Yes.
- Custodians (Schedule D, Section 5.K(3))
-
Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.
- States registered or notice-filed
-
5 states or jurisdictions
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $235,250,991 | 4 | August 26, 2026 |
| October 2025 | $211,957,343 | 3 | March 28, 2025 |
| October 2024 | $281,941,841 | 3 | June 26, 2024 |
Regulatory assets under management: $281,941,841 in the October 2024 data and $235,250,991 in the October 2026 data, down 17%.
Total employees: 3 in October 2024 and 4 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 months- August 2026
- Registered or notice-filed in FL.
- Updated its list of owners and control persons (Schedule A).
- April 2026
- Employees performing advisory functions went from 3 to 4.
- Regulatory assets under management went from $211,957,343 to $235,250,991 (+11%).
- Updated its list of owners and control persons (Schedule A).
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Promethium (CRD 329565): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/promethium-bethesda-md-329565