Robert S. Sondheim

ACORNS

ARLINGTON, VA

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CRD#: 1969619

Professional summary

Robert Samuel Sondheim, who also goes by Robert Samuel Sondheim, Robert Samuel S Sondheim, is a registered financial advisor currently at ACORNS located in Arlington, Virginia and ACORNS SECURITIES, LLC located in Irvine, California.

Robert is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1989. Robert has worked at 10 firms and has passed the Series 66, Series 63, Series 6TO, SIE, Series 7, Series 6, Series 9, Series 10, Series 4, Series 51 and Series 24 exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

Robert Samuel Sondheim | Robert Samuel S Sondheim

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.

1. Name of the other business: Arrived (https://arrived.com). 2. Business investment-related? Yes. Intend to make investments in real estate via Intend to receive income in the form of dividends from rent. 3. Address of the other business: 1700 Westlake Ave N, Suite 200, Seattle, WA 98109. 4. Nature of the other business: Platform for fractional real estate investments. 5. Position: N/A, solely and investor. 6. Title, or relationship with the other business: N/A, solely an investor. 7. Start date of relationship: 9/8/2025 8. Approximate number of hours/month devoted to other business; 1 hour/month. 9. Number of hours devoted to the other business during securities trading hours: 0. 10. Description of duties relating to the other business: N/A, solely an investor.

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Robert Samuel Sondheim'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

January 9, 2024 - Present

ACORNS

RIA

CRD#: 165926

ARLINGTON, VA

Current

August 25, 2023 - Present

ACORNS SECURITIES, LLC

Office #1: 5300 California Avenue, Irvine, CA 92617

CRD#: 168172

Irvine, CA

Past

October 20, 2022 - August 14, 2023

MORGAN STANLEY

CRD#: 149777

Arlington, VA

Past

September 19, 2013 - September 30, 2016

E*TRADE CLEARING LLC

CRD#: 25025

ARLINGTON, VA

Past

February 13, 2009 - May 17, 2012

E*TRADE CLEARING LLC

CRD#: 25025

ARLINGTON, VA

Past

February 13, 2009 - May 17, 2012

G1 EXECUTION SERVICES, LLC

CRD#: 111528

CHICAGO, IL

Past

May 24, 2006 - December 31, 2006

BROWNCO, LLC

CRD#: 1326

BOSTON, MA

Past

March 31, 2006 - December 31, 2007

E*TRADE GLOBAL ASSET MANAGEMENT, INC.

CRD#: 42890

ARLINGTON, VA

Past

December 15, 2005 - May 8, 2006

BROWNCO, LLC

CRD#: 1326

BOSTON, MA

Past

November 16, 2005 - July 25, 2006

LIGHTSPEED PROFESSIONAL TRADING LLC

CRD#: 39293

NEW YORK, NY

Past

March 11, 2005 - December 31, 2007

G1 EXECUTION SERVICES, LLC

CRD#: 111528

CHICAGO, IL

Past

June 4, 2004 - May 25, 2005

LIGHTSPEED PROFESSIONAL TRADING LLC

CRD#: 39293

NEW YORK, NY

Past

September 13, 2002 - December 31, 2007

E*TRADE CLEARING LLC

CRD#: 25025

JERSEY CITY, NJ

Past

July 8, 2002 - August 14, 2023

E*TRADE SECURITIES LLC

CRD#: 29106

ARLINGTON, VA

Past

October 30, 1989 - November 3, 1994

GIT INVESTMENT SERVICES, INC.

CRD#: 13818

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".

ACORNS

ACORNS | ACORNS ADVISERS, LLC

CRD#: 165926 / SEC#: 801-78602

RIA

Registered Investment Advisory firm - (9/23/2013 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.

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

California
(1/2/2024)

Virginia
(1/3/2024)

IAR

Virginia
(1/9/2024)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state. Note: This rule does not apply to broker-dealer activity.

Exams

State Security Law Exam

IAR

Series 66

Date: 12/29/2023

Uniform Combined State Law Examination

State Security Law Exam

Series 63

Date: 8/2/1989

Uniform Securities Agent State Law Examination

General Industry/Product Exam

Series 6TO

Date: 8/25/2023

Investment Company Products/Variable Contracts Representative Examination

General Industry/Product Exam

SIE

Date: 10/1/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 7

Date: 2/21/1992

General Securities Representative Examination

General Industry/Product Exam

Series 6

Date: 10/13/1989

Investment Company Products/Variable Contracts Representative Examination

Principal/Supervisory Exam

Series 9

Date: 8/25/2023

General Securities Sales Supervisor - Options Module Examination

Principal/Supervisory Exam

Series 10

Date: 1/2/2023

General Securities Sales Supervisor - General Module Examination

Principal/Supervisory Exam

Series 4

Date: 10/28/2004

Registered Options Principal Examination

Principal/Supervisory Exam

Series 51

Date: 3/26/2003

Municipal Fund Securities Principal Examination

Principal/Supervisory Exam

Series 24

Date: 7/3/2002

General Securities Principal Examination

SRO Registrations

FINRA

Current Firm

ACORNS

ACORNS | ACORNS ADVISERS, LLC

CRD#: 165926 / SEC#: 801-78602

RIA

Registered Investment Advisory firm - (9/23/2013 Approved)

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Contact information

Main Address

5300 California Avenue, Irvine, CA 92617

Mailing Address

Phone number

(855) 739-2859

Established

Firm type

Fiscal year end

# of Employees

305

SEC notice filing (53 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

ACORNS ADVISERS, LLC WRAP FEE PROGRAM BROCHURE, NOVEMBER 2025 (11/13/2025)

Regulatory assets under management

Total Number of Accounts	4,813,137
AUM (Assets Under Management)	$ 10,380,859,924

Accountant surprise examination report

Filing Date	Form ADV-E Cover	Form ADV-E Report
01/28/2025	Cover Page	Report
11/28/2023	Cover Page	Report
04/24/2023	Cover Page	Report

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.

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Firm Stability Insights

Robert S. Sondheim

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Robert Samuel Sondheim's CRS (Customer Relationship Summary).

Certified licenses

Experience

ACORNS SECURITIES, LLC

MORGAN STANLEY

E*TRADE CLEARING LLC

E*TRADE CLEARING LLC

G1 EXECUTION SERVICES, LLC

BROWNCO, LLC

E*TRADE GLOBAL ASSET MANAGEMENT, INC.

BROWNCO, LLC

LIGHTSPEED PROFESSIONAL TRADING LLC

G1 EXECUTION SERVICES, LLC

LIGHTSPEED PROFESSIONAL TRADING LLC

E*TRADE CLEARING LLC

E*TRADE SECURITIES LLC

GIT INVESTMENT SERVICES, INC.

Primary Firm SEC Registration

ACORNS

State Registrations and Notice Filings

Exams

Series 66

Date: 12/29/2023

Series 63

Date: 8/2/1989

Series 6TO

Date: 8/25/2023

SIE

Date: 10/1/2018

Series 7

Date: 2/21/1992

Series 6

Date: 10/13/1989

Series 9

Date: 8/25/2023

Series 10

Date: 1/2/2023

Series 4

Date: 10/28/2004

Series 51

Date: 3/26/2003

Series 24

Date: 7/3/2002

FINRA

Current Firm

ACORNS

Contact information

SEC notice filing (53 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Accountant surprise examination report

Red Flags

Company Information

ACORNS

TRUST BUT VERIFY

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