Denis P. O'leary

KESTRA ADVISORY SERVICES

Port Jefferson, NY 11777

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CRD#: 2179225

Professional summary

Denis Patrick O'leary, who also goes by Denis Patrick Oleary, is a registered financial advisor currently at KESTRA ADVISORY SERVICES, LLC located in Port Jefferson, New York and KESTRA INVESTMENT SERVICES, LLC located in Port Jefferson, New York.

Denis is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1991. Denis has worked at 8 firms and has passed the Series 66, Series 63, SIE and Series 7 exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

Denis Patrick Oleary

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 Denis Patrick O'leary'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 4, 2022 - Present

KESTRA ADVISORY SERVICES, LLC

Office #1: 1303 Main Street, Port Jefferson, NY 11777

RIA

CRD#: 283330

Port Jefferson, NY

Current

August 31, 2022 - Present

KESTRA INVESTMENT SERVICES, LLC

Office #1: 1303 Main Street, Port Jefferson, NY 11777

CRD#: 42046

Port Jefferson, NY

Past

May 9, 2018 - October 3, 2018

DCM ADVISORS, LLC

RIA

CRD#: 126248

New York, NY

Past

May 4, 2018 - October 3, 2018

DINOSAUR FINANCIAL GROUP, L.L.C

CRD#: 104446

NEW YORK, NY

Past

September 19, 2016 - May 2, 2018

MORGAN STANLEY

RIA

CRD#: 149777

JERICHO, NY

Past

August 11, 2016 - May 2, 2018

MORGAN STANLEY

CRD#: 149777

JERICHO, NY

Past

December 20, 1994 - March 31, 1998

CITICORP INVESTMENT SERVICES

CRD#: 23988

LONG ISLAND CITY, NY

Past

September 21, 1993 - October 7, 1994

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

CRD#: 7691

NEW YORK, NY

Past

October 21, 1991 - November 21, 1991

CHATFIELD DEAN & CO., INC.

CRD#: 14714

GREENWOOD VILLAGE, CO

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".

KESTRA ADVISORY SERVICES, LLC

KESTRA ADVISORY SERVICES, LLC | NFP ADVISOR SERVICES LLC

CRD#: 283330 / SEC#: 801-56126

RIA

Registered Investment Advisory firm - (12/31/1998 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

New York
(10/4/2022)

IAR

New York
(10/4/2022)

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: 9/30/2022

Uniform Combined State Law Examination

State Security Law Exam

Series 63

Date: 10/17/1991

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: 8/11/2016

General Securities Representative Examination

SRO Registrations

FINRA

Current Firm

KESTRA ADVISORY SERVICES, LLC

KESTRA ADVISORY SERVICES, LLC | NFP ADVISOR SERVICES LLC

CRD#: 283330 / SEC#: 801-56126

RIA

Registered Investment Advisory firm - (12/31/1998 Approved)

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Contact information

Main Address

5707 Southwest Parkway Building 2, Suite 400, Austin, TX 78735

Mailing Address

Phone number

(844) 553-7872

Established

Firm type

Fiscal year end

# of Employees

1,299

SEC notice filing (53 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

KESTRA ADVISORY SERVICES, LLC BROCHURE (RETAIL CLIENTS) (11/24/2025)

KESTRA ADVISORY SERVICES, LLC BROCHURE (WRAP FEE PROGRAM) (11/24/2025)

KESTRA ADVISORY SERVICES, LLC BROCHURE (PLAN CLIENTS) (11/24/2025)

Regulatory assets under management

Total Number of Accounts	155,482
AUM (Assets Under Management)	$ 60,174,309,829

Accountant surprise examination report

Filing Date	Form ADV-E Cover	Form ADV-E Report
12/01/2025	Cover Page	Report
12/23/2024	Cover Page	Report
10/20/2023	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

Denis P. O'leary

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Denis Patrick O'leary's CRS (Customer Relationship Summary).

Certified licenses

Experience

KESTRA INVESTMENT SERVICES, LLC

DCM ADVISORS, LLC

DINOSAUR FINANCIAL GROUP, L.L.C

MORGAN STANLEY

MORGAN STANLEY

CITICORP INVESTMENT SERVICES

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

CHATFIELD DEAN & CO., INC.

Primary Firm SEC Registration

KESTRA ADVISORY SERVICES, LLC

State Registrations and Notice Filings

Exams

Series 66

Date: 9/30/2022

Series 63

Date: 10/17/1991

SIE

Date: 10/1/2018

Series 7

Date: 8/11/2016

FINRA

Current Firm

KESTRA ADVISORY SERVICES, LLC

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

KESTRA ADVISORY SERVICES, LLC

TRUST BUT VERIFY

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