Mark A. Theado

DIAMOND HILL CAPITAL MANAGEMENT

Columbus, OH 43215

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CRD#: 6134452

Professional summary

Mark A. Theado, who also goes by Mark A Theado, Mark Andrew Theado, is a registered financial advisor currently at DIAMOND HILL CAPITAL MANAGEMENT INC located in Columbus, Ohio and FORESIDE FINANCIAL SERVICES, LLC located in Columbus, Ohio.

Mark is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2018. Mark has worked at 4 firms and has passed the Series 66, Series 63, SIE and Series 7 exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

Mark A Theado | Mark Andrew Theado

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 Mark A. Theado'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

April 20, 2022 - Present

DIAMOND HILL CAPITAL MANAGEMENT INC

Office #1: 325 John H. Mcconnell Blvd. Suite 200, Columbus, OH 43215

RIA

CRD#: 110638

Columbus, OH

Current

January 7, 2022 - Present

FORESIDE FINANCIAL SERVICES, LLC

Office #1: 325 John H Mcconnell Boulevard Suite 200, Columbus, OH 43215

CRD#: 148477

Columbus, OH

Past

April 9, 2019 - November 16, 2021

J.P. MORGAN SECURITIES LLC

RIA

CRD#: 79

Plano, TX

Past

April 9, 2019 - November 16, 2021

J.P. MORGAN SECURITIES LLC

CRD#: 79

Plano, TX

Past

August 30, 2018 - March 7, 2019

OSAIC FA, INC.

RIA

CRD#: 3978

COLUMBUS, OH

Past

August 30, 2018 - March 7, 2019

OSAIC FA, INC.

CRD#: 3978

COLUMBUS, OH

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".

DIAMOND HILL CAPITAL MANAGEMENT INC

CRD#: 110638 / SEC#: 801-32176

RIA

Registered Investment Advisory firm - (6/2/1988 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
(1/7/2022)

New York
(1/2/2026)

Ohio
(1/8/2022)

IAR

Ohio
(4/20/2022)

Texas
(1/2/2025)

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: 7/2/2021

Uniform Combined State Law Examination

State Security Law Exam

Series 63

Date: 4/3/2019

Uniform Securities Agent State Law Examination

General Industry/Product Exam

SIE

Date: 10/1/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 7

Date: 8/30/2018

General Securities Representative Examination

SRO Registrations

FINRA

Current Firm

DIAMOND HILL CAPITAL MANAGEMENT INC

CRD#: 110638 / SEC#: 801-32176

RIA

Registered Investment Advisory firm - (6/2/1988 Approved)

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Contact information

Main Address

325 John H. Mcconnell Blvd. Suite 200, Columbus, OH 43215

Mailing Address

Phone number

(614) 255-3333

Established

Firm type

Fiscal year end

# of Employees

127

SEC notice filing (10 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

ADV PART 2A BROCHURE (7/1/2025)

Regulatory assets under management

Total Number of Accounts	3,811
AUM (Assets Under Management)	$ 30,011,530,941

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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Advisor Monitoring

Firm Stability Insights

Mark A. Theado

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Mark A. Theado's CRS (Customer Relationship Summary).

Certified licenses

Experience

FORESIDE FINANCIAL SERVICES, LLC

J.P. MORGAN SECURITIES LLC

J.P. MORGAN SECURITIES LLC

OSAIC FA, INC.

OSAIC FA, INC.

Primary Firm SEC Registration

DIAMOND HILL CAPITAL MANAGEMENT INC

State Registrations and Notice Filings

Exams

Series 66

Date: 7/2/2021

Series 63

Date: 4/3/2019

SIE

Date: 10/1/2018

Series 7

Date: 8/30/2018

FINRA

Current Firm

DIAMOND HILL CAPITAL MANAGEMENT INC

Contact information

SEC notice filing (10 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Red Flags

Company Information

DIAMOND HILL CAPITAL MANAGEMENT INC

TRUST BUT VERIFY

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