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Ann Marie Costigan

Advisor at LPL Financial — Hempstead, NY Hempstead Avenue

Updated today

Credentials

Series 63, Series 65

Experience

39 years

Location

Hempstead, NY 11565

LPL Financial logo

LPL Financial

Institution

Total advisors

22,816

Across 10,466 offices

Clients per advisor

86 Typical

Avg AUM per client

$399,489 Typical

HNW client ratio

34% Very High

About

Ann Costigan is a financial advisor with LPL Financial, holding Series 63 and Series 65 credentials and bringing 39 years of industry experience. Her prior work includes roles at Webster Bank, Sterling National Bank, and Capital One Financial Advisors. LPL Financial is a national broker-dealer and SEC-registered investment adviser serving individuals, retirement plan participants, banks, trust companies, and other institutions, offering a range of advisory and brokerage services through a large network of investment adviser representatives.

Client services

Based on LPL Financial

Financial planning Portfolio management Educational seminars or workshops
Consulting and other non-discretionary advisory services

Expertise

Based on LPL Financial

Wealth management Retirement income strategy College savings (529s, UTMA, etc.) Tax-loss harvesting Annuities

Occupation focus

Based on LPL Financial

Retired Founder/Business Owner Executive

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Fee options

Fixed

Flat fees up to $15,000 for financial planning and consulting services

Project-based

Up to $500 per hour for financial planning and consulting services

Location

See office

Hempstead, NY Hempstead Avenue

363 Hempstead Avenue

Hempstead NY 11565

Advisors at this office

1

Most active in

New Jersey · New York

Work history

39 years of industry experience

Webster Bank

2021 - Present • 5 years

Rockville Centre, NY

LPL Financial, LLC

2011 - Present • 15 years

Rockville Centre, NY

Sterling National Bank(FKA:ASTORIA BANK;ASTORIA FEDERAL SAVINGS)

2011 - 2021 • 10 years

Rockville Centre, NY

Capital One Financial Advisors Llc

2011 - 2011 • 1 year

Melville, NY

Disclosures

Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.

Business activities & affiliations

David W

CFP®, ChFC®, Series 66

Great Neck, NY

The WealthPlan LLC

David Warshaw is a CFP® and ChFC® with 20 years of industry experience. He is the principal advisor at The WealthPlan LLC, an independent firm based in Great Neck, NY. Prior to founding The WealthPlan LLC and WealthPlan Risk Management LLC in 2020, he worked at Blueprint Wealth Alliance LLC and American Portfolios Financial Services, Inc. Warshaw is also a licensed insurance agent, focusing on life insurance, fixed annuities, and related products. The WealthPlan LLC provides discretionary portfolio management and financial planning services to individuals, high-net-worth clients, trusts, estates, and business entities. The firm manages approximately $73.8 million in assets and offers customized portfolio construction based on client goals, time horizons, and risk tolerance, incorporating a range of investment strategies and advising on held-away workplace accounts and digital asset custody.

Founder/Business Owner
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Kadri A

Series 65

Farmingdale, NY

Financial Gym Advisors

Kadri Augustin is a Series 65-licensed advisor with two years of industry experience, currently serving at Connective Wealth Partners, LLC. Prior to joining Connective Wealth Partners in 2025, Kadri worked at FG Advisory Services, LLC and The Financial Gym, Inc., among other roles. Kadri maintains a temporary dual registration with FG Advisory Services, LLC during the transition to Connective Wealth Partners. Connective Wealth Partners is an SEC-registered advisory firm that provides discretionary wealth management and financial planning services to individuals, high-net-worth clients, trusts, and estates. The firm’s investment approach is based on fundamental analysis with a long-term orientation, offering diversified portfolios that include ETFs, equities, bonds, mutual funds, and alternative investments.

Private / alternative investments
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Paul B

Series 63, Series 65, Series 66

Melville, NY

BIGGIN, INC.

Paul Biggin is the sole advisor at BIGGIN, INC., an independent firm based in Melville, NY. He holds Series 63, Series 65, and Series 66 designations and has four years of industry experience. He has been with BIGGIN, INC. since 2012. BIGGIN, INC. provides personalized investment management primarily to individual clients, including high-net-worth individuals, using both discretionary and non-discretionary portfolio management. The firm employs fundamental, technical, and cyclical analysis and utilizes a variety of strategies, including option writing, while coordinating with clients’ outside professionals as needed.

Options & derivatives strategies
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Syed H

Series 65

Rego Park, NY

Prudent Investment Advisors, Inc.

Syed Haque is a financial advisor at Prudent Investment Advisors, Inc. with 13 years of industry experience and a Series 65 credential. He has been a practicing CPA since 1989 and operates his accounting practice independently alongside his advisory role. Prudent Investment Advisors, Inc. is an independent firm managing approximately $7.4 million in discretionary assets for individuals, retirement accounts, and charitable organizations. The firm employs a combination of fundamental and technical analysis to manage a small, concentrated client base primarily on a discretionary basis.

Active portfolio management
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Chong Tong C

Series 65

Arverne, NY

Rhizome Capital Management LLC

Chong Tong Chen is the sole advisor at Rhizome Capital Management LLC and holds a Series 65 designation with three years of industry experience. He has been with Rhizome Capital Management since 2021 and has been involved with Rhizome Partners LP since 2013. Rhizome Capital Management provides discretionary portfolio management to high-net-worth individuals and manages three privately offered Delaware limited-partnership funds under Regulation D. The firm employs fundamental analysis and pursues concentrated strategies including long/short trading in micro- and small-cap equity and debt, with additional focus on real-estate and hard-asset exposures.

Active portfolio management Concentrated stock management Real estate investing
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Attila M

Series 65

Sunnyside, NY

Mendlstein Capital Holdings LLC

Attila Mendli is a financial advisor at Mendlstein Capital Holdings LLC with a Series 65 credential. He has one year of industry experience and has held roles at Corvinus University and several companies including Uber Technologies and Hogan Personnel. Mendlstein Capital Holdings LLC provides financial planning, consulting, and portfolio management primarily to individuals, high-net-worth individuals, and small to medium-sized businesses. The firm focuses on ETF-centric portfolios using thematic, macroeconomic, and fundamental analysis with a long-term orientation and occasional tactical adjustments tailored to each client’s circumstances.

General retirement planning General tax planning General estate planning guidance Debt management Cash flow / budgeting
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