ALLOCRA · PORTFOLIO X-RAY

How diversified are your ETFs really?

Most ETF portfolios are more concentrated than they look. Pick a few funds, or try one of the example portfolios below, and see what is actually inside them.

UK-listed and US-listed ETFs supported. Data as of 31 May 2026. No sign-in required.

Quick start

New to ETFs? Try one of these example portfolios to see how the X-Ray works. Each one teaches a different lesson about diversification.

Or pick from the 9 most-held UK retail ETFs

Click any to add to your portfolio. These are the most widely held funds among UK self-directed investors.

Or search for a specific ETF

Free tier searches our curated list of 9 popular UK retail ETFs. Allocra subscription extends to any ETF, individual stock holdings, and portfolio CSV upload.

Add at least 2 ETFs to see overlap.

DIVERSIFICATION SCORE · HIGHER = BETTER DIVERSIFIED

-- / 100

Fund overlap -- -- 60% of score

Stock spread -- -- 20% of score

Sector spread -- -- 20% of score

What this means

Top 10 concentrated names

The stocks that account for the largest share of your combined portfolio. The "ETFs holding it" column shows how many of your funds contain each stock.

Stock	Total weight	ETFs holding it

Geographic exposure

Where your portfolio's stock-level exposure is allocated by country.

Sector exposure

Where your portfolio's stock-level exposure is allocated by sector.

Per-ETF: unique vs shared

For each ETF in your portfolio, how much of its weight is unique to your portfolio versus shared with your other funds.

The X-Ray is free and stays free. The full Allocra toolset (Screener, Optimiser and Income Tracker in one integrated suite) is open now: The first 250 subscribers lock Founders pricing, £9 a month or £79 a year, for as long as their subscription stays continuous. Or leave your email for The Long View, one evidence-led read every Friday morning. No spam between issues.

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How diversified are your ETFs really?

What this means

Concentration risks

Top 10 concentrated names

Geographic exposure

Sector exposure

Per-ETF: unique vs shared

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