ESG Funds: Verify Method, Exclusions and Fees
Verify the index or method actually followed, the published exclusions and the fees before choosing an ESG fund.

In this article
The word sustainable in a fund's name describes an intention. The documented method describes the product, and the two diverge often enough to justify a check. The fund facts and the prospectus reveal the real approach: sector exclusion, rating by a named agency with published thresholds, or impact financing. These are distinct philosophies that the brochure happily blurs. You will also find the structural surprises there. An oil major well rated on governance can remain in a rating-based index, which is a feature of the method and not an anomaly. The other elements complete the review: fees compared with the equivalent broad fund, with a typical gap of a few tenths of a point to half a point, diversification narrowed by the exclusions, and the manager's voting record and engagement report. You then accept the trade-off knowingly, with an annual reminder, since the published method can change beneath the same name. This article guides the reading of the documents and the questions that separate serious approaches from mere packaging.
Identify the method actually applied
The label says nothing about the method. Some funds exclude entire sectors. Others keep the best-rated companies within each sector. Others still weight by a composite score without excluding anything. These three approaches produce very different portfolios, and only the prospectus or the documentation of the tracked index tells you which one applies. A fund that keeps the best companies in each sector holds oil companies, which surprises investors who assumed an exclusion. The reading takes twenty minutes and replaces an assumption with a verifiable fact.
Verify the exclusions and their thresholds
Exclusions almost always come with thresholds, expressed as a percentage of revenue from an activity. With a 10% threshold, a diversified company one of whose divisions carries out the targeted activity can still get into the fund. These thresholds appear in the methodology, and you can compare them across funds: they vary a lot. The complete list of holdings, published regularly, is the final test. Going through it shows right away whether the portfolio matches what you thought you were buying. It is the most revealing exercise, and the only one that does not rest on wording chosen by the product's manufacturer.
Look at how voting rights are exercised
Two strategies coexist: excluding problematic companies, or holding them to exert influence through voting and dialogue. A fund following the second publishes its voting record and its engagements. These documents are available to read and show how it voted on shareholder resolutions. That record says more than any statement of intent, and its absence is also information. Read impact reports with the same critical eye. A document presenting only favourable indicators, with no verifiable methodology, belongs to communications rather than to accountability.
Compare fees and diversification
Finally, compare the fund with a broad index fund on two measurable points. Management fees, often 20 to 50 basis points higher, cost a considerable sum over thirty years. Set them against the value you place on the portfolio matching your convictions. Then look at diversification. A fund that excludes several sectors concentrates the portfolio in the remaining ones, which changes its behaviour during sector rotations. These two figures let you decide knowingly rather than relying on the product's name.
Quebec scenario
The word sustainable appears in the name of the fund the branch proposes to a biologist in La Pocatière. That is exactly her field, so she decides to check whether the label describes the contents. The fund facts document, then the prospectus, answer better than the brochure. The method first: the fund tracks an index that excludes certain sectors and weights the rest by environmental, social and governance scores supplied by a named agency. It is an exclusion-and-rating approach, neither better nor worse than another, but different from an impact fund that would finance targeted projects. The brochure blurred that distinction. The exclusions next, with their published thresholds. Controversial weapons are excluded entirely, coal beyond a certain percentage of revenue. But an oil major well rated on governance stays in the index. That is a classic surprise of rating-based methods, which she prefers to know about before rather than after. Voting rights and the engagement report complete the picture: the manager publishes its votes at shareholder meetings, a transparency she appreciates. What remains is what you check in any fund: fees of 0.68%, against 0.20% for the equivalent broad fund, and diversification slightly narrowed by the exclusions. She subscribes for half her monthly savings, knowing the trade-off: a real but imperfect filter, paid for at 0.48 points. She also sets an annual reminder to check that the published method has not changed beneath the same name.
Checklist
- Open the fund facts and the prospectus
- Identify the real method, exclusion, rating or impact
- Note the rating agency and published thresholds
- Check for composition surprises
- Read the voting record and engagement report
- Compare the fees with the equivalent broad fund
- Measure the diversification narrowed by exclusions
- Accept the trade-off knowingly
- Recheck the published method yearly
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