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ETF overlap is a hidden danger that may quietly sabotage your portfolio’s diversification technique — no matter how fastidiously you select your investments. Whilst you could also be investing in exchange-traded funds (ETFs) to realize diversification, it’s straightforward to unintentionally put money into overlapping funds, which may result in an over-concentration in particular shares or sectors, undermining the very purpose of spreading danger.
This focus danger arises as a result of the seemingly distinct ETFs are, actually, doubling and even tripling down on the identical underlying property. You would possibly consider your ETFs are diversified throughout varied market segments, but when the underlying holdings of your chosen ETFs are extremely correlated, your portfolio’s efficiency turns into closely depending on the fortunes of a restricted variety of corporations.
On this article, we’ll dive deeper into ETF overlap and focus danger, stroll via a real-world instance of ETF overlap, and present how Sharesight’s publicity report helps you establish and keep away from hidden overlap danger.

Understanding overlap and focus
Focus danger is the hazard of loss ensuing from having a big portion of your investments in a single asset, sector or geographical area. When that individual space performs poorly, a concentrated portfolio will endure disproportionately massive losses. ETF overlap contributes on to this danger.
To achieve a greater understanding, think about a situation by which you maintain each an S&P 500 ETF and a technology-focused ETF. Whereas these might look like separate investments, the S&P 500 is market-cap weighted, that means massive know-how corporations already represent a good portion of its holdings. By including a know-how ETF to your portfolio, you’d be amplifying your publicity to those identical tech giants, reminiscent of Apple, Microsoft and NVIDIA. A downturn within the tech sector would then have a extra extreme affect in your portfolio than you may need anticipated.
A sensible instance of elevated focus
Right here’s one other hypothetical situation involving three widespread, real-world ETFs:
- iShares Core S&P 500 ETF (IVV): Tracks the S&P 500 index
- Invesco QQQ Belief (QQQ): Tracks the Nasdaq-100 Index, which is closely weighted in the direction of know-how and development shares
- Vanguard Development ETF (VUG): Invests in large-cap U.S. development shares.
Holding all three of those ETFs, you would possibly consider you might have a diversified portfolio spanning the broader market, know-how leaders and growth-oriented companies. Nevertheless, a more in-depth take a look at their high holdings reveals important overlap and publicity to Massive Tech.
Publicity report run on a “don’t group” foundation on Sharesight.
In case you had an equal allocation to those three ETFs, you’d discover that your precise publicity to Massive Tech is way higher than the person ETF weightings counsel. This hidden focus means your portfolio is much less diversified and extra prone to dangers affecting the large-cap development and know-how sectors.
The answer: X-ray into underlying holdings with Sharesight’s publicity report
Manually checking the holdings of every ETF will be time consuming and complicated, particularly as your portfolio grows. That is the place a devoted portfolio monitoring device like Sharesight turns into invaluable. Sharesight is designed to present you true visibility into your investments, and our publicity report is the right answer for diagnosing ETF overlap and focus danger.
As an alternative of simply displaying you an inventory of the ETFs you personal, the publicity report goes deeper, offering an in depth breakdown of your direct holdings and any underlying holdings inside ETFs, revealing the shares, sectors and international locations you might be uncovered to throughout your complete portfolio.
The report offers you the power to analyse your portfolio’s publicity throughout a number of components, together with:
- Market: See your allocation to completely different inventory exchanges
- Sector: Uncover in case you are unintentionally chubby in sure sectors
- Nation: Perceive your geographic diversification
- Particular person holdings: Get an inventory of each single underlying firm you personal and its complete weighting in your portfolio.
By operating the publicity report, the summary drawback of ETF overlap turns into a transparent, data-driven perception. It offers you certainty, together with all the info you should make knowledgeable selections.
Managing danger with readability
As soon as Sharesight has helped you establish unintended concentrations, you’ll be able to take motion. You would possibly determine to promote one of many overlapping ETFs and change it with a fund that gives real diversification, reminiscent of a small-cap, worldwide or bond ETF.
A sure diploma of overlap could also be intentional. For instance, if in case you have robust conviction within the long-term prospects of a specific sector, chances are you’ll select to chubby it as a part of your technique. The important thing distinction is that through the use of a device like Sharesight, this focus turns into a aware and deliberate a part of your funding technique reasonably than an accident of ignorance.
In conclusion, whereas ETFs are highly effective instruments, you should be vigilant in regards to the potential for overlap. By leveraging the highly effective analytics of Sharesight’s publicity report, you’ll be able to look via, perceive your portfolio’s true composition, and guarantee you take on the correct amount of danger on your monetary targets.
Be a part of tons of of hundreds of traders all over the world utilizing Sharesight to mechanically observe their funding efficiency and tax, and make smarter investing selections. With Sharesight you’ll be able to:
- Observe your whole investments in a single place, together with shares, ETFs, mutual/managed funds, property and even cryptocurrency
- Robotically observe your dividend and distribution revenue from shares, ETFs and mutual/managed funds
- Run highly effective experiences constructed for traders, together with efficiency, variety, contribution evaluation, future revenue, publicity, danger, multi-period and multi-currency valuation
- See the true image of your funding efficiency, together with the affect of brokerage charges, dividends, and capital beneficial properties with Sharesight’s annualised efficiency calculation methodology











