More investors than ever want their savings to reflect what they care about. Environmental, social and governance investing, usually shortened to ESG, promises a way to do that. It also raises fair questions. What exactly is an ESG fund, how is it built, and does choosing one mean accepting lower returns?
This guide explains the basics in plain language so you can decide whether ESG investing belongs in your portfolio and how to evaluate the options if it does.
What ESG actually measures
ESG is a set of criteria used to judge how a company manages risks and opportunities beyond its financial statements. Environmental factors include carbon emissions, energy use, water and waste. Social factors cover how a company treats employees, customers, suppliers and communities. Governance looks at board independence, executive pay, shareholder rights and business ethics.
Rating firms collect data on these factors and score companies. Fund managers then use those scores in different ways, which is why two funds with ESG in their names can hold very different stocks.
The main approaches funds use
- Exclusion: removing whole industries, such as tobacco, weapons or fossil fuels.
- Best in class: keeping every industry but favoring the companies with the strongest ESG scores within it.
- Thematic: concentrating on areas such as clean energy, water or affordable housing.
- Engagement: owning companies and using shareholder votes to push for change.
Knowing which approach a fund uses is the first step in judging whether it matches your values. A best-in-class fund may still own oil companies, while an exclusion fund will not.
What about returns?
Research on ESG performance is mixed. Broad ESG index funds have tracked their traditional counterparts fairly closely over long periods, because they still hold hundreds of large companies. Narrow thematic funds behave differently. They can soar when their sector is in favor and fall sharply when it is not, which makes them more volatile and better suited to a small slice of a portfolio.
The bigger risk for most investors is not ESG itself but cost and concentration. Some ESG funds charge noticeably higher expense ratios than plain index funds, and some hold far fewer companies, which reduces diversification.
How to evaluate an ESG fund
Start with the fund's prospectus or fact sheet and look at its top ten holdings. Ask whether those companies fit your idea of responsible investing. Next, compare the expense ratio with a similar non-ESG fund, and check how many stocks the fund holds and how much is in its largest sectors. Finally, read the fund's stated method so you know whether it excludes, tilts or engages.
Fitting ESG into a sensible plan
ESG choices work best inside an overall plan, not instead of one. Many investors use a broad, low-cost ESG index fund as a core holding and keep any thematic funds to a small share. Your stock and bond mix, time horizon and tax situation still matter more to long-term results than any single fund label.
If you would like to align your portfolio with your values without losing sight of your goals, our advisors can review your current holdings, show you how they score, and suggest ESG options that keep your costs and risk in check.