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Sean O'brien

HORIZON INVESTMENTS
CHARLOTTE, NC 28277
CRD#: 8018379
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SO
Sean O'brienHORIZON INVESTMENTS

Professional summary

Sean O'brien is a registered financial advisor currently at HORIZON INVESTMENTS LLC located in Charlotte, North Carolina and QUASAR DISTRIBUTORS, LLC located in Charlotte, North Carolina.

Sean is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2025. Sean has worked at 2 firms and has passed the Series 66, Series 7TO and SIE exams.

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 Sean O'brien'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

February 17, 2026 - Present

HORIZON INVESTMENTS LLC

Office #1: 6210 Ardrey Kell Road Ste 300, Charlotte, NC 28277
RIA
CRD#: 109552
CHARLOTTE, NC
Current

March 12, 2025 - Present

QUASAR DISTRIBUTORS, LLC

Office #1: 6210 Ardrey Kell Road Suite 300, Charlotte, NC 28277
BD
CRD#: 103848
Charlotte, NC

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".
HI
HORIZON INVESTMENTS LLC
HARIZON INVESTMENTS LLC | HORIZON INVESTMENTS LLC

CRD#: 109552 / SEC#: 801-57316

RIA
Registered Investment Advisory firm - (2/24/2000 Approved)
South Carolina
Registered Investment Advisory firm - (12/10/2003 Terminated)

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
Arkansas
(2/10/2026)
RR
Iowa
(2/10/2026)
RR
Kansas
(2/10/2026)
RR
Louisiana
(2/10/2026)
RR
Minnesota
(2/10/2026)
RR
Missouri
(2/10/2026)
RR
Nebraska
(2/10/2026)
RR
North Carolina
(2/10/2026)
IAR
North Carolina
(2/17/2026)
RR
North Dakota
(2/10/2026)
RR
Oklahoma
(2/10/2026)
RR
South Dakota
(2/10/2026)
RR
Texas
(2/10/2026)

Exams

State Security Law Exam
RR
IAR
Series 66
Date: 2/9/2026
Uniform Combined State Law Examination
General Industry/Product Exam
RR
Series 7TO
Date: 3/11/2025
General Securities Representative Examination
General Industry/Product Exam
RR
SIE
Date: 11/1/2024
Securities Industry Essentials Examination
SRO Registrations
RR
FINRA

Current Firm

HI
HORIZON INVESTMENTS LLC
HARIZON INVESTMENTS LLC | HORIZON INVESTMENTS LLC

CRD#: 109552 / SEC#: 801-57316

RIA
Registered Investment Advisory firm - (2/24/2000 Approved)
South Carolina
Registered Investment Advisory firm - (12/10/2003 Terminated)
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Contact information

Main Address
6210 Ardrey Kell Road Ste 300, Charlotte, NC 28277
Mailing Address
Phone number
(704) 544-2399
Established
Firm type
Fiscal year end
# of Employees
74

SEC notice filing (53 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

HORIZON INVESTMENTS FORM ADV PART 2A (3/6/2026)

Regulatory assets under management

Total Number of Accounts1,481
AUM (Assets Under Management)$ 5,357,028,030

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

HORIZON INVESTMENTS LLC

CRD#: 109552Charlotte, NC 28277

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