Observed arrival · 2026-10-14
LookThrough Portfolio puts ETF holdings under the microscope
A browser-based tool for examining ETF holdings, portfolio overlap, risk, costs, and backtests.
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- For
- ETF investors comparing holdings, costs, and portfolio risk
- Worth noticing
- The interface lists equity, fixed-income, commodities, and FX searches alongside stress tests and cost analysis.
Field notes
Search controls cover equities, fixed income, commodities, FX, and all ETPs. Analysis navigation names overview, portfolio, track record, performance, look-through, concentration, risk, stress tests, and costs. The page also links to guides on ETF overlap, TER, European government bonds, portfolio-switch backtests, and Interactive Brokers analysis, with Italian, French, and German materials listed. It states that loaded data is stored in the browser, except for feedback users choose to send.
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Editorial observations of this landing page, not a rating.
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◎NicheUnusually specific use
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