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Michael Nmn Steinberg

RAINBRIDGE SECURITIES
NEW YORK, NY
·CRD# 1062776·44 years experience

Professional Summary

Michael Nmn Steinberg, who also goes by Michael Steinberg, is a registered financial advisor currently at RAINBRIDGE SECURITIES LLC located in New York, New York. Michael is registered as a RR (Registered Representative) and started their career in finance in 1982. Michael has worked at 14 firms and has passed the Series 63, Series 57TO, Series 99TO, SIE, Series 79, Series 55, Series 3, Series 7, Series 14, Series 12 and Series 24 exams.

At a Glance

Best-Interest Standard

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Other Aliases

Michael Steinberg

Blog Corner

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Videos & Posts

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Contact Information

This advisor has not claimed their profile yet, so there is no contact information to display at this time.

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Disclosures are events reported to regulators, such as customer disputes, regulatory actions, employment separations, or financial events. Some are resolved, denied, or contested — a disclosure is not a verdict. We recommend asking an advisor directly about any disclosure on their record.

Disclosures on record.

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities. Check for any disclosures as part of your thorough research when choosing an advisor.

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Years of Experience

44 years in the financial services industry

Current & Past Employments

RAINBRIDGE SECURITIES LLC·CRD# 334916
BD
485 Madison Avenue 15th Floor, New York, NY 10022
November 20, 2025 - Present
LLOYDS SECURITIES·CRD# 154515
BD
New York, NY
August 6, 2025 - December 4, 2025
INDEPENDENT BROKERAGE SOLUTIONS LLC·CRD# 153563
BD
New York, NY
December 24, 2024 - March 18, 2026
LOCKTON RE CAPITAL MARKETS, LLC·CRD# 323110
BD
New York, NY
November 7, 2023 - July 1, 2025
CAPLIGHT MARKETS LLC·CRD# 103970
BD
New York, NY
March 20, 2023 - February 19, 2026
MOMENTUS SECURITIES LLC·CRD# 307780
BD
New York, NY
February 28, 2022 - March 2, 2026
SECFI SECURITIES, LLC·CRD# 302112
BD
New York, NY
November 17, 2021 - February 28, 2023
CCB INTERNATIONAL OVERSEAS (USA) INC.·CRD# 159795
BD
New York, NY
March 19, 2021 - May 17, 2021
CCB INTERNATIONAL OVERSEAS (USA) INC.·CRD# 159795
BD
New York, NY
June 27, 2012 - March 19, 2021
MF GLOBAL INC.·CRD# 6731
BD
New York, NY
September 7, 2010 - September 28, 2011
J.P. MORGAN SECURITIES LLC·CRD# 79
BD
New York, NY
October 1, 2008 - May 13, 2010
J.P. MORGAN SECURITIES INC.·CRD# 18718
BD
New York, NY
June 20, 2005 - October 1, 2008
DEUTSCHE BANK SECURITIES INC.·CRD# 2525
BD
New York, NY
June 28, 2000 - February 16, 2005
NOMURA SECURITIES INTERNATIONAL, INC.·CRD# 4297
BD
New York, NY
July 21, 1993 - July 3, 2000
ING BARING (U.S.) SECURITIES, INC.·CRD# 5285
BD
New York, NY
April 24, 1986 - July 19, 1993
NOMURA SECURITIES INTERNATIONAL, INC.·CRD# 4297
BD
September 24, 1982 - July 25, 1986

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Current Firm

RS
RAINBRIDGE SECURITIES LLC

RAINBRIDGE SECURITIES LLC

CRD#: 334916 / SEC#: 8-71373
BD
Broker-Dealer Firm Regulated by FINRA (New York district office)

Contact Information

Main Address

485 Madison Avenue 15th Floor, New York, NY, 10022

Mailing Address

485 Madison Avenue 15th Floor, New York, NY, 10022

Phone Number

(212) 751-4422

Established

New York since 09/11/2024

Firm Type

Limited Liability Company

Fiscal Year End

December

Firm Size

Small

FINRA licenses (15 States and Territories)

Registered to provide investment advisory services in 0 US states and territories.

Documents

Customer Relationship Summary (CRS / FINRA)

Direct owners and executive officers

NamePositionCRD#
RAINBRIDGE HOLDINGS LLCSOLE MEMBER—
CHAN, STANLEYCHIEF COMPLIANCE OFFICER4184811
FORTINO, ANGELINAFINOP, PFO, POO6869135
STEINBERG, MICHAEL NMNCHIEF EXECUTIVE OFFICER1062776

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Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

The advisor shows no other business activity.

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State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.
RR
indicates the advisor is registered as a Registered Representative in this state, allowing securities offerings such as stocks, bonds, and mutual funds through a broker-dealer.
RR
California
(12/9/2025)
RR
Connecticut
(2/9/2026)
RR
District of Columbia
(12/15/2025)
RR
Florida
(2/23/2026)
RR
Illinois
(4/3/2026)
RR
Maryland
(2/11/2026)
RR
Massachusetts
(12/31/2025)
RR
Michigan
(1/29/2026)
RR
Minnesota
(2/20/2026)
RR
Missouri
(2/25/2026)
RR
New Jersey
(1/7/2026)
RR
New York
(11/24/2025)
RR
Pennsylvania
(1/5/2026)
RR
Texas
(3/25/2026)
RR
Virginia
(12/22/2025)

Exams

Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.

Series 63 — Uniform Securities Agent State Law Examination

Passed Aug 1983About the Series 63 exam

Series 57TO — Securities Trader Exam

Passed Jan 2023About the Series 57TO exam

Series 99TO — Operations Professional Examination

Passed Jan 2023About the Series 99TO exam

SIE — Securities Industry Essentials Examination

Passed Oct 2018About the SIE exam

Series 79 — Investment Banking Registered Representative Examination

Passed Mar 2012About the Series 79 exam

Series 55 — Limited Representative-Equity Trader Exam

Passed Feb 2000

Series 3 — National Commodity Futures Examination

Passed Sep 1990About the Series 3 exam

Series 7 — General Securities Representative Examination

Passed Sep 1982About the Series 7 exam

Series 14 — Compliance Officer Examination

Passed Jan 2023About the Series 14 exam

Series 12 — NYSE Branch Manager Examination

Passed Oct 1993

Series 24 — General Securities Principal Examination

Passed Apr 1989About the Series 24 exam
FINRA
SRO Registrations

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CRS (Client Relationship Summary) - BD

Click below to view Michael Nmn Steinberg's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

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