This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Current firm

MADISON AVENUE SECURITIES, LLC

Current firm class

broker-dealer affiliated wealth managerderived

Book size

not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none

Industry start

Jul 1, 2013earliest registration or exam on IAPD

Years in industry

13derivedfrom the industry start date

Years at current firm

1derivedfrom the current registration's begin date

Prior firms

1

Current registrations

1

Registered states

1

Exams

S65

First exam

Jun 18, 2022

First registration

Dec 18, 2023

Dual registered

no

Other names

Emil Brost|Jay Brost|Jay Brost

IAPD individual key

7803280

• Occurred

  Oct 7, 2024
  Advisor changed firm

  Emil J Brost left Ae Wealth Management, Llc for Madison Avenue Securities, Llc (registered 2024-10-03)

  Form ADVobserved 5 days ago

Graph

RIA / Wealth Management

Canonical id

dfx:ria:63d7e61f-2903-004a-e7b0-98897dafed8c

First observed

Dec 18, 2023

Last observed

Sep 15, 2026 5 days ago

Source families

Federal regulator filings

1 registered feed stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.

Resolution

Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.