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RIA / WealthAdvisordual registered (broker-dealer)28 years in industry

MICHAEL JOHN BRABANT

Advisor at JEFFERIES INVESTMENT ADVISERS LLC

NEW YORK, NY | Miami, FL

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Search this name across graphsid dfx:ria:08337edf-c314-81cc-de33-ce6d8c3f889e

Data as of Sep 15, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 1:54 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 0
On other graphs: 0
Observed: May 8, 1998 to Sep 15, 2026

Across DFX

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.

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Current firm: JEFFERIES INVESTMENT ADVISERS LLC
Current firm class: mixed wealth managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: May 8, 1998earliest registration or exam on IAPD
Years in industry: 28derivedfrom the industry start date
Years at current firm: 3derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 20
Exams: S66
First exam: Feb 25, 2021
First registration: May 8, 1998
Dual registered: yes, broker-dealer
Other names: MICHAEL JOHN BRABANT|BRABANT JOHN MICHAEL JOHN
IAPD individual key: 1874083

Registration history

registration spans on IAPD; the basis says whether the span is a current registration or a prior employment record

Firm	Class	Began	Ended	Current	Branch	Basis
JEFFERIES INVESTMENT ADVISERS LLC	Mixed wealth	May 31, 2023	n/a	yes	NEW YORK, NY\|Miami, FL	Current employment
LEUCADIA ASSET MANAGEMENT LLC	Asset manager	Mar 5, 2021	Aug 14, 2023	no	NEW YORK, NY\|MIAMI, FL	Previous registration
CREDIT SUISSE SECURITIES (USA) LLC	Former SEC adviser	Jan 17, 2003	Dec 15, 2005	no	NEW YORK, NY	Previous registration
PERSHING LLC	n/a	May 8, 1998	Jan 17, 2003	no	NEW YORK, NY	Previous registration

Moves

a move is two registration dates; a bulk corporate re-registration is typed BULK_TRANSFER and is not a move

From	To	Left	Joined	Gap, days	Kind	Move type
LEUCADIA ASSET MANAGEMENT LLC	JEFFERIES INVESTMENT ADVISERS LLC	Aug 14, 2023	May 31, 2023	-75	Bulk transfer	RIA to new firm
CREDIT SUISSE SECURITIES (USA) LLC	LEUCADIA ASSET MANAGEMENT LLC	Dec 15, 2005	Mar 5, 2021	5,559	Firm change after gap	Other
PERSHING LLC	CREDIT SUISSE SECURITIES (USA) LLC	Jan 17, 2003	Jan 17, 2003	0	Bulk transfer	Other

Relationships

Registered with (4)

→ JEFFERIES INVESTMENT ADVISERS LLCRegistered adviserregistration: current employment
May 31, 2023 to presentfactForm ADV
→ LEUCADIA ASSET MANAGEMENT LLCRegistered adviserregistration: previous registration
Mar 5, 2021 to Aug 14, 2023factForm ADV
→ CREDIT SUISSE SECURITIES (USA) LLCRegistered adviserregistration: previous registration
Jan 17, 2003 to Dec 15, 2005factForm ADV
→ PERSHING LLCRegistered adviserregistration: previous registration
May 8, 1998 to Jan 17, 2003factForm ADV

Dated events

No dated event names this entity yet.