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Vestmark Selected to Power Vanguard Custom Model Portfolios for RIAs

By Lauren Towner · 14 August 2026

In brief: Vestmark has been selected by Vanguard to provide the trading, tax-management, and advisor-service infrastructure for Vanguard Custom Model Portfolios, supporting RIAs with scalable personalization.

Key facts
Assets SupportedMore than $2 trillion
Investor AccountsMore than five million
Advisors SupportedMore than 72,000
Market ReachSix of the 10 largest managed account program providers
Press Release: Vestmark Selected to Power Vanguard Custom Model Portfolios for RIAs | Featured Image by FF News

Quick Summary

Vestmark has been selected by Vanguard to provide the technology infrastructure for Vanguard Custom Model Portfolios. This collaboration enables registered investment advisors (RIAs) to deliver personalized, tax-efficient wealth management solutions at scale by combining Vanguard's investment expertise with Vestmark's advanced trading and tax-management platform.

How does Vestmark support Vanguard Custom Model Portfolios?

Vestmark provides the essential infrastructure for Vanguard Custom Model Portfolios, focusing on trading, tax-management, and advisor-service capabilities. The solution is designed to help RIAs manage open-architecture portfolios that include mutual funds, ETFs, separately managed accounts (SMAs), direct indexing, and alternative investments within a unified managed account (UMA) structure.

  • Trading and rebalancing for multi-asset and single-asset-class models.
  • Tax-aware portfolio transitions and ongoing tax management.
  • A white-labeled digital experience for account viewing, performance tracking, and proposal creation.
  • Integrations with leading custodial platforms to ensure scalable implementation.

What benefits does this offer to Registered Investment Advisors?

The partnership allows RIAs to modify Vanguard models to reflect specific client preferences regarding investment products and management styles. By utilizing Vestmark's platform, advisors can deliver higher levels of personalization without increasing operational complexity. This is particularly relevant as Vestmark currently supports more than 72,000 financial advisors and more than five million investor accounts.

“Vanguard has built its reputation around disciplined investing, low costs and long-term investor outcomes,” said Karl Roessner, Chief Executive Officer at Vestmark. “By combining that investment expertise with Vestmark’s portfolio-management, trading and tax-management infrastructure, we can help RIAs deliver greater personalization without adding operational complexity. We are proud to support Vanguard as they bring this new offering to the RIA market.”

How does this collaboration impact the wealth management market?

This collaboration strengthens Vanguard's presence in the RIA channel by providing scalable technology and intuitive workflows. With Vestmark supporting six of the 10 largest managed account program providers and over $2 trillion in assets, the infrastructure is built to handle significant volume while maintaining investment rigor.

“Advisors increasingly expect access to investment solutions through scalable technology and intuitive workflows,” said Eve Cout, Head of Advisor Solutions, Financial Advisor Services at Vanguard. “By pairing Vanguard Custom Model Portfolios with Vestmark’s established implementation platform, we can help RIAs customize and manage Vanguard portfolios efficiently while retaining investment rigor and control over important investment decisions.”

FF NEWS TAKE:

This partnership moves the needle by bridging the gap between institutional-grade investment strategies and the growing demand for hyper-personalization in the RIA space. By leveraging Vestmark's massive scale - supporting $2 trillion in assets - Vanguard is effectively removing the operational barriers that previously prevented advisors from customizing low-cost models at scale. It is a significant validation of Vestmark's UMA and tax-optimization capabilities in a competitive wealthtech landscape.

Frequently asked questions

What is the purpose of the Vanguard and Vestmark collaboration?

The collaboration combines Vanguard’s investment expertise with Vestmark’s portfolio-management, trading, and tax-management infrastructure. It is designed to help registered investment advisors (RIAs) deliver personalized Vanguard Custom Model Portfolios to their clients efficiently and at scale.

What types of investments can be managed through Vestmark’s solution?

Vestmark’s solution supports open-architecture portfolios within a unified managed account (UMA). This includes mutual funds, exchange-traded funds (ETFs), separately managed accounts (SMAs), direct indexing, and alternative investments.

What digital tools will advisors have access to?

Advisors will have access to a white-labeled digital experience. This platform allows them to view accounts and performance, submit service requests, create client proposals, and conduct detailed tax-transition analyses.

About the companies

Vestmark

Website · 7 stories on FF News since 2025

Previously on FF News:

Vanguard

Website · 19 stories on FF News since 2023

Previously on FF News:

StreetCred PR

Website · 2 stories on FF News since 2026

Previously on FF News:

Companies in this story: Vestmark, Vanguard, StreetCred PR

People in this story: Eve Cout, Karl Roessner

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