Cardinal Investment Advisors

What Cardinal Investment Advisors does

Cardinal Investment Advisors was a Chicago-based Registered Investment Advisor (RIA) founded in 2001 that provided investment consulting services to support clients' investment strategies and operations. Operating with a headcount of 11–50 employees, the firm functioned in a fiduciary capacity, delivering investment advisory and consulting solutions in the wealth and institutional investment management space. Specific product details, proprietary platform components, or technology architecture for Cardinal as an independent entity are not documented in the available source data.

The firm's business model centered on fee-based investment advisory services typical of the RIA channel. Pricing was not publicly disclosed, consistent with the bespoke, relationship-driven nature of institutional and high-net-worth investment consulting. Cardinal's short public profile describes its function in generic terms — helping clients' investment strategies to support their operations — which aligns with traditional non-discretionary investment consulting, manager research, asset allocation, and investment policy development services commonly offered by mid-market RIAs.

In 2025, Cardinal Investment Advisors was acquired by Mariner Wealth Advisors (a $609 billion mega-RIA) for $292 million, making it the second-largest wealth management M&A transaction of that year according to ECHELON Partners' RIA M&A Deal Report, behind only Bain Capital's $321 million acquisition of Lincoln Financial. Following the transaction, Cardinal no longer operates as an independent entity and has been integrated into Mariner Institutional, which serves corporations, public and government funds, Taft-Hartley plans, nonprofit institutions, and insurance companies with research-driven investment and retirement plan advisory solutions.

Name

Cardinal Investment Advisors

Website

https://cia-llc.com

Company type

Private

Founded year

2001

Operating status

Acquired

Headcount range

11–50 employees

Short description

Cardinal Investment Advisors was a Chicago-based Registered Investment Advisor founded in 2001 that provided investment consulting services to support institutional and individual client investment strategies. The firm was acquired by Mariner Wealth Advisors in 2025 for $292 million.

Ownership category

akta.pro rank

Product category

Investment Advisory Services

NAICS

Portfolio Management and Investment Advice (523940)

SIC

Investment Advice (6282)

akta.pro primary industry

Institutional Consulting RIAs (OCIO/Endowments/Foundations/Pensions) (FSAAACAG)

akta.pro secondary industries

Institutional Consultants & Fiduciary Management (Investment Consulting) (FSAAAGAJ), Investment Management Advisory (RIA) (FSAEAAAB)

Keywords

• Investment consulting services
• Registered investment advisor
• Wealth management advisory
• Institutional investment consulting
• Retirement plan advisory

Headquarters

HQ city

Chicago

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Core offering

Cardinal Investment Advisors provided investment consulting services designed to help clients develop and support their investment strategies to support their operations. Operating as a Registered Investment Advisor (RIA), the firm delivered tailored investment advisory solutions to institutional and individual clients prior to its acquisition by Mariner Wealth Advisors in 2025.

Product overview

Based on the available source data, there is no specific product information for Cardinal Investment Advisors as an independent company. The sources indicate that Cardinal Investment Advisors was acquired by Mariner Wealth Advisors for $292 million. The webpage content describes Mariner Institutional's services (which may include former Cardinal offerings), including institutional investment consulting for corporations, public/governmental funds, Taft-Hartley plans, nonprofit institutions, and insurance companies, with services such as investment policy development, asset allocation, manager research, and defined contribution plan services. However, this represents Mariner's product suite, not Cardinal's specific offerings.

Differentiator

Problem solved

Functional benefit

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves2 records

Expansion highlights1 record

Direct peers

• Meketa Investment Group: Meketa is an employee-owned institutional investment consulting and OCIO firm serving public funds, corporate plans, Taft-Hartley plans, endowments, and foundations. Closely comparable business model, client mix, and scale to Cardinal.
• Verus Investments: Verus is an independent investment consulting firm providing OCIO and advisory services to institutional clients including pensions, endowments, and foundations. Comparable in independent-firm positioning and institutional OCIO/investment advisory focus.
• RVK, Inc. RVK is an independent institutional investment consulting firm advising public funds, corporate plans, Taft-Hartley plans, endowments, and foundations. Closely comparable client segments, service offering, and scale band.
• Callan LLC: Callan is a leading independent investment consulting firm serving institutional investors including corporate pensions, public funds, endowments, and foundations. Comparable scope, client mix, and institutional consulting orientation.
• Segal Marco Advisors: Segal Marco Advisors provides investment consulting to corporate, public, and multiemployer plan sponsors, with particular depth in public and Taft-Hartley plans. Highly comparable on the public/plan-sponsor segment that was core to Cardinal's business.
• Cambridge Associates: Cambridge Associates is a long-established investment consulting and OCIO firm specializing in endowments, foundations, and other institutional investors. Highly comparable on the nonprofit/endowment institutional consulting specialization that anchored Cardinal's book.
• NEPC: NEPC is one of the largest independent investment consulting firms serving institutional clients including corporate, public, healthcare, and nonprofit plans. Comparable in size, institutional consulting scope, and the same multi-vertical model that Cardinal operated.

Broad incumbents

• Mariner Wealth Advisors: Mariner Wealth Advisors is the $609 billion mega-RIA that acquired Cardinal in 2025 for $292 million. Through Mariner Institutional, it offers the same institutional investment consulting services (corporations, public funds, Taft-Hartley, nonprofits, insurance) that Cardinal provided, making it both the parent and direct strategic comparator.
• Aon (Investment Consulting): Aon's investment consulting arm serves corporate, public, and multiemployer plan sponsors globally as part of a broad insurance and advisory platform. Overlaps with Cardinal's institutional client mix but operates at significantly larger scale within a diversified parent.
• Mercer Investment Consulting: Mercer's investment consulting business is one of the largest global institutional OCIO/investment advisory platforms serving corporate, public, and Taft-Hartley plans. Directly comparable in client segments and the OCIO/investment consulting service mix that defined Cardinal's practice.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Cardinal Investment Advisors