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Why Use This Tool
Look inside before you buy. See what you actually own — top holdings, sector weights, expense ratios, and overlap with your other funds.
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Obulos Edge
Why does overlap matter?
- • Hidden concentration—many investors own AAPL 5x without knowing
- • Fee comparison—0.5% difference costs $12,500 on $100K over 20 years
- • True diversification—see actual sector/factor exposure
- • Duplicate detection—find redundant holdings across ETFs
How We Use AI
ETFLens analyzes ETF holdings to calculate true diversification, factor exposure, and overlap. We flag when you are paying for the same stocks twice.
Data from ETF Holdings, Fund Data.