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Grant A. Einhorn

CALAMOS ADVISORS LLC
San Francisco, CA 94108
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CRD#: 4718056
GE

Professional summary


Grant A Einhorn is a registered financial advisor currently at CALAMOS ADVISORS LLC located in San Francisco, California and CALAMOS FINANCIAL SERVICES LLC located in New York, New York.

Grant is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2003. Grant has worked at 7 firms and has passed the Series 65, Series 63, SIE and Series 7 exams.

top-8-questions

Question & Answer


Are you a "fiduciary"?
Yes

Aliases


None

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.

Blog Corner


CRS (Client Relationship Summary) - RIA


Click below to view Grant A Einhorn's CRS (Customer Relationship Summary).
CRS (Customer Relationship Summary)

Certified licenses


Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
None

Experience


Current

October 24, 2025 - Present

CALAMOS ADVISORS LLC

Office #1: 555 California Street #3325, San Francisco, CA 94108
RIA
CRD#: 105758
San Francisco, CA
Current

October 24, 2025 - Present

CALAMOS FINANCIAL SERVICES LLC

Office #1: 50 Rockefeller Plaza Suite 1200/1600, New York, NY 10020
BD
CRD#: 19850
New York, NY
Past

October 30, 2013 - October 20, 2025

BLACKROCK FINANCIAL MANAGEMENT, INC

RIA
CRD#: 107105
SAN FRANCISCO, CA
Past

January 3, 2012 - October 20, 2025

BLACKROCK INVESTMENTS, LLC

BD
CRD#: 38642
SAN FRANCISCO, CA
Past

November 6, 2009 - December 31, 2011

BLACKROCK FUND DISTRIBUTION COMPANY

BD
CRD#: 146183
SAN FRANCISCO, CA
Past

April 14, 2008 - December 31, 2009

BLACKROCK EXECUTION SERVICES

BD
CRD#: 39438
SAN FRANCISCO, CA
Past

November 10, 2003 - March 11, 2008

E*TRADE SECURITIES LLC

BD
CRD#: 29106
SAN FRANCISCO, CA

Primary Firm SEC Registration


This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
CA
CALAMOS ADVISORS LLC
CALAMOS ADVISORS LLC | CALAMOS ASSET MANAGEMENT INC | CALAMOS ARISTA PARTNERS

CRD#: 105758 / SEC#: 801-29688

RIA
Registered Investment Advisory firm - (5/29/1987 Approved)

State Registrations and Notice Filings


Listed states reflect where the advisor is authorized to serve clients under state regulations.

IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.
RR
indicates the advisor is registered as a Registered Representative in this state, allowing them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.

Visual representation of state registrations

RR
Alabama
(10/24/2025)
RR
Alaska
(10/24/2025)
RR
Arizona
(10/24/2025)
RR
Arkansas
(10/24/2025)
RR
California
(10/24/2025)
IAR
California
(10/24/2025)
RR
Colorado
(10/24/2025)
RR
Connecticut
(10/24/2025)
RR
Delaware
(10/24/2025)
RR
District of Columbia
(10/24/2025)
RR
Florida
(10/24/2025)
RR
Georgia
(10/24/2025)
RR
Hawaii
(10/24/2025)
RR
Idaho
(10/24/2025)
RR
Illinois
(10/24/2025)
IAR
Illinois
(10/27/2025)
RR
Indiana
(10/24/2025)
RR
Iowa
(10/24/2025)
RR
Kansas
(10/24/2025)
RR
Kentucky
(10/24/2025)
RR
Louisiana
(10/24/2025)
RR
Maine
(10/24/2025)
RR
Maryland
(10/24/2025)
RR
Massachusetts
(10/24/2025)
RR
Michigan
(10/24/2025)
RR
Minnesota
(10/24/2025)
RR
Mississippi
(10/24/2025)
RR
Missouri
(10/24/2025)
RR
Montana
(10/24/2025)
RR
Nebraska
(10/24/2025)
RR
Nevada
(10/24/2025)
RR
New Hampshire
(10/24/2025)
RR
New Jersey
(10/24/2025)
RR
New Mexico
(10/24/2025)
RR
New York
(10/24/2025)
RR
North Carolina
(10/24/2025)
RR
North Dakota
(10/24/2025)
RR
Ohio
(10/24/2025)
RR
Oklahoma
(10/24/2025)
RR
Oregon
(10/24/2025)
RR
Pennsylvania
(10/24/2025)
RR
Puerto Rico
(10/24/2025)
RR
Rhode Island
(10/24/2025)
RR
South Carolina
(10/24/2025)
RR
South Dakota
(10/24/2025)
RR
Tennessee
(10/24/2025)
RR
Texas
(10/24/2025)
RR
Utah
(10/24/2025)
RR
Vermont
(10/24/2025)
RR
Virgin Islands
(10/24/2025)
RR
Virginia
(10/24/2025)
RR
Washington
(10/24/2025)
RR
West Virginia
(10/24/2025)
RR
Wisconsin
(10/24/2025)
RR
Wyoming
(10/24/2025)

Exams


State Security Law Exam
IAR
Series 65
Date: 10/30/2013
Uniform Investment Adviser Law Examination
State Security Law Exam
General Industry/Product Exam
General Industry/Product Exam
SRO Registrations
RR
FINRA

Current Firm


CA
CALAMOS ADVISORS LLC
CALAMOS ADVISORS LLC | CALAMOS ASSET MANAGEMENT INC | CALAMOS ARISTA PARTNERS

CRD#: 105758 / SEC#: 801-29688

RIA
Registered Investment Advisory firm - (5/29/1987 Approved)
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Contact information


Main Address
2020 Calamos Court, Naperville, IL 60563-2787
Mailing Address
Phone number
(630) 245-7200
Established
Firm type
Fiscal year end
# of Employees
257

SEC notice filing (51 States and Territories)


Blank US states mapAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWisconsinWest VirginiaWyoming

Documents


Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

PART 2A OF FORM ADV: FIRM BROCHURE (3/27/2025)

Regulatory assets under management


Total Number of Accounts1,662
AUM (Assets Under Management)$ 38,184,222,669

Red Flags


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.

Company Information


CALAMOS ADVISORS LLC

CRD#: 105758San Francisco, CA 94108

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