# CORNERSTONE ADVISORY, LLC

CORNERSTONE ADVISORY, LLC of HUNT VALLEY, MD is an SEC-registered investment adviser.

## Registration

- CRD: 142359
- Type: SEC-registered investment adviser
- SEC file number: 801-68058
- Location: 211 OLD PADONIA ROAD, HUNT VALLEY, MD, 21030
- Phone: 410-468-1693
- Latest filing: 2026-03-24
- Regulatory AUM: $2.2B
- Discretionary AUM: $2.2B
- Clients: 19
- Accounts: 3,135

## Business model

- Compensation: % of AUM, Hourly, Fixed
- Clients served: Individuals, High net worth, Pensions, Investment cos

## Officers, owners & control persons (11)

| Name | Role | Location |
| --- | --- | --- |
| Lonny Scott Elfenbein | CHIEF COMPLIANCE OFFICER | — |
| Donald Stephen Huber | CHIEF COMPLIANCE OFFICER, MANAGING MEMBER; MANAGING MEMBER; PARTNER | — |
| Thomas Nichols Biddison | MEMBER; PARTNER | — |
| Erik Dorsey Johnson | MEMBER; PRINCIPAL | — |
| JOHNSON ERIK DORSEY | MEMBER; PARTNER; PRINCIPAL | — |
| HUBER DONALD STEPHAN | GENERAL PARTNER/CHIEF COMPLIANCE OFFICER; MANAGING PARTNER/CHIEF COMPLIANCE OFFICER | — |
| BIDDISON THOMAS NICHOLS | GENERAL PARTNER; MEMBER; PARTNER | — |
| DEMUTH DAVID LEVERING | GENERAL PARTNER; PARTNER | — |
| THOMAS HENRY BRISCOE | GENERAL PARTNER; PARTNER | — |
| HUBER DONALD STEPHEN | CHIEF COMPLIANCE OFFICER; CHIEF COMPLIANCE OFFICER / MANAGING MEMBER; CHIEF COMPLIANCE OFFICER / PARTNER (+3 more) | — |
| Elfenbein Lonny Scott | CHIEF COMPLIANCE OFFICER | — |


## Private funds (1)

| Fund | Type | Formed | Owners | GAV | Min investment |
| --- | --- | --- | --- | --- | --- |
| ALTERNATIVE MARKETS FUND, L.P. | Hedge Fund | Delaware | 69 | $30.4M | $500K |


## Branch offices (2)

| City | State | Employees | Phone |
| --- | --- | --- | --- |
| SEVERNA PARK | MD | 3 | 410-384-9100 |
| SEVERNA PARK | MD | 3 | 410-384-9100 |


## Fund service providers (1)

- administrator: FLEMING FUND SERVICES

## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/142359/brochure
- Similar advisers: https://search.stillhousedata.com/firm/142359/similar
- Related entities: https://search.stillhousedata.com/firm/142359/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/142359

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.