Rainier Investment Management

What Rainier Investment Management does

Rainier Investment Management, LLC is a U.S.-domiciled investment management firm registered in New York and headquartered in Fairport, New York. The firm is contracted by Manning & Napier Advisors, LLC to sub-advise the International Discovery Series of the Manning & Napier Fund, Inc., providing specialized international equity investment management. Within the broader platform, Rainier operates alongside affiliated entities including Manning & Napier Advisors (wealth and asset management), Manning & Napier Investor Services, Manning & Napier Fund, Inc., and Exeter Trust Company, all consolidated under the holding company Callodine Group, LLC. Rainier's website and operational footprint are presented through the Manning & Napier brand (manning-napier.com), and the firm's offerings are not made available to investors outside the United States.

The business model is a sub-advisory fee model tied to the AUM of the International Discovery Series and, by extension, to the broader Manning & Napier affiliated distribution channels serving individuals and families, non-profits, business owners, and licensed financial professionals. Revenue mechanics follow standard RIA economics: basis-point advisory fees on managed assets, with no publicly disclosed pricing schedule. Distribution is channeled through the Manning & Napier wealth management arm and asset management services, including consultant and intermediary channels; the firm does not maintain a standalone product suite, mobile app, or direct consumer interface, relying entirely on its affiliation for client access.

Rainier does not appear to maintain its own dedicated brand or product surface, with its public presence and career infrastructure embedded in Manning & Napier. The firm has operated for over 55 years (founded 1970), and its parent platform went public in 2011. No dedicated technology, AI/ML, or product-launch evidence is present in the available sources, and customer logos, segment-level revenue splits, and AUM figures are not disclosed.

Name

Rainier Investment Management

Legal name

Rainier Investment Management, LLC

Website

https://manning-napier.com

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

251–500 employees

Short description

Rainier Investment Management is an affiliate of Manning & Napier that sub-advises the International Discovery Series, providing specialized international equity investment management for institutional clients through its parent fund complex.

Ownership category

akta.pro rank

Headquarters

HQ city

Fairport

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Core offering

Rainier Investment Management, LLC provides international equity investment management on a sub-advisory basis. The firm is contracted by Manning & Napier Advisors, LLC to sub-advise the International Discovery Series of the Manning & Napier Fund, Inc., delivering specialized international portfolio management expertise as part of the broader Manning & Napier fund offerings.

Product overview

Rainier Investment Management is an affiliate of Manning & Napier, operating under Callodine Group. It is contracted by Manning & Napier Advisors, LLC to sub-advise the International Discovery Series of the Manning & Napier Fund, Inc. No dedicated product or service pages for Rainier Investment Management were found in the provided sources.

Differentiator

Problem solved

Functional benefit

Products and services

• International Discovery Series Sub-Advisory Specialized international equity portfolio management services sub-advised for the International Discovery Series of the Manning & Napier Fund, Inc. Designed to provide non-U.S. equity exposure within the Manning & Napier fund offerings. The service is delivered to Manning & Napier Advisors, LLC as the contracting institutional client.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Manning & Napier Advisors, LLC (MNA)coreStrategic or Co-development PartnerRainier Investment Management, LLC is contracted by Manning & Napier Advisors, LLC to sub-advise the International Discovery Series of the Manning & Napier Fund, Inc. This is a sub-advisory investment management relationship where Rainier provides specialized international equity investment expertise to Manning & Napier's fund offerings.

Recent moves4 records

Expansion highlights3 records

Direct peers

• Manning & Napier Advisors, LLC: The affiliated parent advisory entity for which Rainier provides sub-advisory international equity services. Operates the same overall investment management platform under Callodine Group, with overlapping managed-account, mutual fund, and consultative offerings for U.S. clients.
• Artisan Partners: Publicly traded specialist active equity manager with flagship international and global equity strategies. Highly comparable as a focused, multi-boutique active manager marketing differentiated international equity products to U.S. intermediaries and institutions.
• William Blair Investment Management: Privately held active asset manager with a substantial international equity franchise serving institutional and intermediary clients. Comparable business model combining active international equities with broader multi-asset capabilities, U.S.-anchored distribution.
• Tweedy, Browne Company: Boutique active international/global value equity manager with a long track record and predominantly U.S.-focused intermediary and institutional distribution. Highly comparable as a specialist international equity firm with decades of operating history.

Broad incumbents

• Lazard Asset Management: Global incumbent asset manager with significant international and global equity capabilities alongside fixed income and alternatives. Comparable in offering institutional international equity sub-advisory and managed-account solutions at a larger, broader scale.
• Hartford Funds (Hartford Schroders): U.S. fund platform offering international equity strategies via sub-advisory relationships with established global managers. Comparable in deploying sub-advisory mandates for international equity products distributed through U.S. intermediary and institutional channels.
• Dimensional Fund Advisors (DFA): Large systematic/active international equity manager with a long operating history and U.S.-centric intermediary distribution. Comparable as an established, multi-decade active international equity specialist competing for similar institutional and retail channels.
• Eaton Vance (Morgan Stanley Investment Management): Diversified U.S. active manager with international/global equity capabilities across managed accounts, mutual funds, and sub-advisory. Comparable in offering multi-channel active international equity solutions to U.S. institutional and intermediary clients.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat4 records

Key risks4 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/manning-napier
• Xx.com/ManningNapier

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 Rainier Investment Management