Host Ryan Nauman, Market Strategist and founder of Adjusted for Risk, engaged in a comprehensive discussion with Rob Battista, Executive Vice President of Advisory Solutions at Vestmark, exploring the significant transformation occurring within the investment management landscape. The conversation, dated September 14, 2026, centered on the industry’s pivotal shift away from traditional, standardized model portfolios towards highly personalized, custom investment solutions designed to meet the unique needs of individual investors and the strategic objectives of financial advisors.
This evolution, Battista explained, represents a natural progression driven by technological advancements, increasing client demand for tailored services, and the imperative to optimize investment outcomes, particularly concerning tax efficiency. The shift signifies a departure from the era of "manager-traded Separately Managed Accounts (SMAs)" towards a more scalable, cost-effective delivery of investment models. This accessibility has been amplified through the proliferation of investment marketplaces and asset managers now offering comprehensive, total portfolio solutions.
The Limitations of Traditional Model Portfolios
Battista articulated the inherent shortcomings of the traditional, one-size-fits-all model portfolio approach. A primary concern was the inadequacy of customization. These standardized models, while offering a degree of diversification and professional management, often failed to account for the nuanced financial circumstances, risk tolerances, and specific investment preferences of individual clients. This lack of granular control meant that many investors were being served with portfolios that were not optimally aligned with their personal financial journeys.
Furthermore, a critical limitation identified was the significant tax impact associated with rebalancing these traditional models, particularly within taxable investment accounts. When model portfolios are adjusted to maintain target allocations, capital gains taxes can be triggered, eroding investor returns over time. This "tax drag" has become an increasingly unacceptable consequence for investors and their advisors, especially in an environment where tax-efficient investing is paramount.
The Rise of Customization and Tax Overlay
The discussion highlighted that tax transition strategies and ongoing tax overlay services are no longer considered value-added features but rather essential components of any modern investment solution. Tax transition involves strategically managing the sale of existing holdings to minimize immediate tax liabilities when implementing a new portfolio or rebalancing an existing one. Tax overlay, on the other hand, is a continuous process of monitoring and managing the tax implications of investment decisions, aiming to defer or minimize capital gains taxes on an ongoing basis.
"The market has fundamentally shifted," Battista stated, implying that advisors and asset managers who do not prioritize tax efficiency in their model offerings risk falling behind. The ability to seamlessly integrate tax considerations into the investment process is now a prerequisite for serving sophisticated clients and maintaining competitive advantage.
Unlocking Advisor Potential with Custom Models
The adoption of custom investment models offers a multitude of benefits for financial advisors. One of the most significant advantages is the enhanced ability to scale their businesses. By leveraging technology and outsourced investment management capabilities, advisors can manage a larger number of client relationships more effectively, dedicating more time to client engagement and strategic financial planning rather than day-to-day portfolio management.
Custom models also facilitate greater advisor preference reflection. This means that advisors can imprint their own investment philosophies, risk management techniques, and ethical considerations onto the portfolios they manage for their clients. This level of personalization fosters stronger advisor-client relationships built on trust and a clear understanding of how the portfolio aligns with the client’s unique situation.
Multi-Manager Architecture and Unified Managed Accounts (UMAs)
A key enabler of this customization is the flexibility offered by multi-manager, open-architecture platforms and Unified Managed Accounts (UMAs). These frameworks allow for the seamless integration of a wide array of investment vehicles. This includes not only traditional options like Exchange-Traded Funds (ETFs) and mutual funds but also more sophisticated solutions such as Separately Managed Accounts (SMAs), direct indexing, individual bonds, and alternative investments.
Direct indexing, in particular, has gained significant traction as a tool for hyper-personalization. It allows for the replication of an index’s performance by owning the individual securities within that index. This granular control enables advisors to make highly specific customizations, such as excluding certain stocks for ethical reasons, overweighting specific sectors, or managing for tax loss harvesting at the individual security level, which is far more efficient than managing a diversified fund.
Battista emphasized that the UMA structure is instrumental in housing this diverse range of investments under a single account umbrella, simplifying reporting and administration for both the advisor and the client. This consolidation streamlines the investment process and provides a holistic view of a client’s portfolio.
Strategic Advantages for Asset Managers
The shift towards custom models also presents compelling strategic advantages for asset managers. By partnering with advisors on these tailored solutions, asset managers can cultivate "stickier" client relationships. When an asset manager’s capabilities are deeply embedded within a customized model that an advisor uses across their client base, it becomes more difficult for that advisor to switch to a competitor. This leads to greater client retention and a more predictable revenue stream.
Furthermore, offering customizable solutions allows asset managers to capture a larger "wallet share" from their advisor partners. Instead of competing for a single mandate, they can become a more integrated solution provider, offering a broader range of investment strategies and vehicles that cater to diverse client needs. This expands their market reach and strengthens their overall market position.
The Role of Implementation Partners
The operational complexities associated with implementing and managing custom model portfolios can be substantial. This is where implementation partners, like Vestmark, play a crucial role. These partners provide the technology infrastructure and operational expertise necessary to support these sophisticated investment strategies. Their platforms enable the efficient trading, rebalancing, performance reporting, and tax management required for custom models.

Battista noted that the burden of operational challenges is often mitigated through these partnerships. Moreover, the cost of leveraging these advanced platforms is frequently subsidized by asset managers. This strategic subsidy incentivizes asset managers to partner with technology providers, thereby lowering the barrier to entry for advisors seeking to adopt custom model solutions. This creates a symbiotic ecosystem where technology providers, asset managers, and financial advisors can collaborate to deliver superior client outcomes.
A Chronology of Evolution
The journey from traditional models to custom solutions can be traced through several key phases:
- Early 2000s: The rise of Separately Managed Accounts (SMAs) and model-based investing gained momentum. These offered a step up from mutual funds, allowing for some customization and direct ownership of securities, but often remained manager-driven and less scalable.
- Mid-2010s: The proliferation of ETFs and the increasing accessibility of investment marketplaces began to democratize access to diverse investment options. This paved the way for more sophisticated model construction and delivery. Technology platforms started to emerge, facilitating the aggregation and management of multiple investment vehicles.
- Late 2010s – Early 2020s: Growing awareness of tax efficiency, particularly within taxable accounts, became a significant driver. The limitations of traditional rebalancing in generating capital gains losses started to be addressed through advancements in tax overlay technology. Direct indexing began to gain traction as a tool for granular customization and tax management.
- Present (2026): Custom model portfolios, supported by robust technology platforms and a focus on tax-aware investing, have become the industry standard for many advisors. The emphasis is on delivering hyper-personalized solutions that cater to individual client needs while maximizing advisor efficiency and asset manager relationships. The integration of various asset classes within Unified Managed Accounts (UMAs) is a hallmark of this current phase.
Supporting Data and Market Trends
While specific figures were not provided in the original content, industry reports from leading research firms consistently indicate a growing demand for personalized wealth management solutions. For instance, reports from Cerulli Associates have highlighted the increasing adoption of outsourced investment solutions by financial advisors, driven by the need for greater efficiency and expertise. Data from various financial technology providers also points to a substantial increase in the usage of platforms that support direct indexing and tax-aware strategies.
The U.S. retirement market, a significant segment of the investment landscape, has also seen a growing emphasis on tax-efficient strategies. As more baby boomers enter retirement, the need to preserve capital and minimize tax liabilities becomes even more critical, further underscoring the importance of advanced model portfolio solutions.
Broader Impact and Implications
The shift towards hyper-personalized investment models has profound implications for the financial advisory industry and the broader investment ecosystem.
For investors, the benefits are clear: portfolios that are more closely aligned with their personal financial goals, risk appetites, and ethical considerations, coupled with enhanced tax efficiency that can lead to improved net returns over the long term.
For financial advisors, this evolution represents an opportunity to elevate their value proposition beyond simple asset allocation. They can transition into true financial architects, leveraging technology and specialized solutions to provide comprehensive wealth management services. This allows them to deepen client relationships and differentiate themselves in a competitive market.
For asset managers, the challenge is to adapt their product development and distribution strategies to support this trend. Those who can offer flexible, customizable solutions and integrate seamlessly with advisor technology platforms are likely to thrive. The focus shifts from simply managing assets to becoming a strategic partner in an advisor’s business.
For technology providers, like Vestmark, this era signifies immense growth potential. The demand for sophisticated platforms that can handle the complexities of custom model management, direct indexing, and advanced tax overlay is only expected to increase. Their role in facilitating this transformation is critical.
The discussion between Nauman and Battista underscores a fundamental paradigm shift in investment management. The era of standardized, one-size-fits-all solutions is rapidly receding, making way for a future where personalization, tax efficiency, and technological integration are the cornerstones of successful investment strategies. This evolution is not merely a trend; it is a fundamental reshaping of how wealth is managed and how financial professionals serve their clients in an increasingly complex and dynamic economic environment.
About the Author:
Ryan Nauman is a market strategist, investment thought leader, and host of the "Adjusted for Risk" podcast. He helps financial advisors, asset managers, and investment professionals navigate markets, portfolio construction, investment trends, communication, and wealth management. With experience spanning investment research, portfolio analytics, and wealth management, Ryan translates complex market and investment topics into practical insights. He is the founder of Adjusted for Risk, an investment insights and market intelligence platform focused on helping professionals make more informed investment decisions.
Connect with Ryan Nauman:
LinkedIn: https://www.linkedin.com/in/ryannauman1/
X: https://x.com/LkTahoeBadger
Website: www.NaumanStrategicPartners.com
Learn more about Vestmark:
Website: https://www.vestmark.com/
YouTube Overview: https://www.youtube.com/watch?v=W3xAhgGwc7A
