Free UK ISA tool
ETF overlap calculator
Many UK ISA investors combine global, S&P 500, Nasdaq 100, and technology ETFs without seeing the duplicate companies underneath. ISA Lens turns ticker-level holdings into a look-through overlap check.
What it checks
- Duplicate top holdings between ETFs.
- Hidden US mega-cap concentration.
- AI-linked company exposure across multiple funds.
- Sector and geography balance in GBP terms.
Why it converts
ETF overlap is a high-intent search: people already own the funds and are deciding what to do before the next ISA contribution. Saved portfolios, CSV import, and monthly checks are natural paid upgrades.