An index is a list of companies with rules for how much of each to hold, and a tracker is a fund that copies it. Most global indices use market-cap weighting: each company is held in proportion to its total market value, so the biggest companies get the biggest slices. That makes "global" more concentrated than it sounds. As of 2026, US companies make up roughly three-fifths of a typical global index, and its top-ten weight — the share in its ten largest companies, mostly big US technology firms — is around a fifth to a quarter.
The fund's factsheet lists its current weights, and the app reads two of them from its data provider: the fund's sector mix and its ten largest holdings. Your sector split, the health score and the Rebalancing Advisor divide a tracker across the sectors it holds, so a global fund's roughly one-third in technology counts as technology rather than as one Unknown slice. The health score's concentration measure adds up how much rides on a single company across all your funds and shares. The country split isn't available, so how much of your money is in the US through your funds is still a question for the factsheet.
An approximate split of a typical global index as of 2026. The UK is a few percent of it — check the factsheet for current numbers.
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