Why Custom Core®
Take the benefits of index investing to a new level while enriching your role as an advisor
  • Create "Best Fit" beta exposures
  • Build portfolios from existing holdings
  • Boost after-tax returns
  • Integrate with larger financial planning strategies
Why Parametric
  • Consultative portfolio design helps target the right exposures
  • Over time, dynamically adapt portfolios to meet clients’ changing needs
  • Technology-driven process is designed to consistently deliver enhanced tax efficiency
What We Deliver
Customizable, cost-efficient beta solutions
  • Portfolios that match investors’ tax, risk, social, and factor objectives
  • Complete investment transparency and control
  • Continuous tax management that seeks to lower taxes now—and over time
Get Started
Explore the potential of Custom Core with our Advisor Tools.

Custom Core seeks to combine the consistent performance and diversification of index-based ETFs and mutual funds with the benefits of a customized SMA

Continue the Custom Core Journey

Why Custom Core

Elevate wealth management discussions with truly personalized investment portfolios


Why Parametric

Partner with an industry leader to leverage Custom Core and solve for unique investment needs

Access Tools to Enhance Meetings

Run Transition Analysis To Set Clear Expectations

Share Quarterly Reporting And Data To Allow For Transparency

Parametric does not offer tax advice. Please consult with your tax professional regarding your specific circumstances.

What We Deliver

Tax affects performance, so we pay close attention


Our solutions seek 1% to 2%
in annual after-tax excess returns

25 years

of tax-management

Investing entails risks, and there can be no assurance that Parametric will achieve profits or avoid incurring losses. All investments are subject to potential loss of principal.

Explore Our Advisor Tools

These advisor tools can be accessed by the general public but are intended to be used by investment professionals and financial advisors only. Understanding these tools requires a level of investments knowledge and experience. The information on this website is not an offer to sell or a solicitation of an offer to buy any security, nor shall any such security be offered or sold to any person without the assistance of their financial advisor. These tools do not provide, and may not be relied upon, for investment, accounting, legal, or tax advice. They are designed for informational and educational purposes only.

Benchmark Builder

Assess the characteristics and performance of a customized benchmark against a comparison index

ESG Screen Analyzer

Explore the potential impact of eliminating sectors, industries and ESG screens from a benchmark

Transition Analysis Explorer

Evaluate multiple risk and tax impact scenarios before funding portfolios with securities

Portfolio Lab

Combine and assess benchmark blends, ESG screens and transitions

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Simulation Tools

Tax Alpha Simulator

Compare how the loss harvesting experience of a portfolio is impacted by market conditions

Opinions and estimates offered constitute our judgment and are subject to change without notice, as are statements of financial market trends, which are based on current market conditions. This information is not intended as an offer or solicitation for the purchase or sale of any financial instrument. The views and strategies described may not be suitable for all investors. References to future returns are not promises or even estimates of actual returns a client portfolio may achieve. Any forecasts and simulations contained herein are for illustrative purposes only and are not to be relied upon as advice or interpreted as a recommendation.