AI ETFs give UK investors diversified exposure to artificial intelligence without picking individual stocks. This guide covers the most widely currently watched options, with current OCFs, AUM data and what each fund actually tracks.
Investing directly in individual AI stocks like Nvidia or Microsoft carries significant concentration risk. A single earnings miss or regulatory development can move an individual stock 10-20% in a session. An AI ETF spreads that risk across a basket of companies while still giving targeted exposure to the theme. For investors who want AI as a satellite position within a broader portfolio, an ETF is typically the most practical route.
Most AI ETFs available to UK investors are structured as UCITS funds, meaning they meet UK regulatory requirements and can be held in a stocks and shares ISA or SIPP, sheltering gains and income from UK tax. Understanding the differences between index funds and ETFs is useful context before choosing between AI ETF options.
AIAG and WTAI are the most directly AI-focused UK-listed ETFs, with AIAG slightly broader and WTAI tracking a more AI-specific index at a lower OCF. RBTX provides more diversified exposure including automation hardware. All three are ISA and SIPP-eligible. The OCF difference between the cheapest (WTAI at 0.40%) and most expensive (ROBG at 0.80%) compounds significantly over a long holding period.
The following profiles cover the most widely held and traded AI ETFs available to UK investors as of July 2026. All OCF and AUM data are sourced from provider factsheets and financial data services. This is not a recommendation to buy or sell.
| ETF | Ticker | OCF | AUM | ISA/SIPP |
| L&G Artificial Intelligence | AIAG | 0.49% | £2.1bn | Yes |
| WisdomTree AI UCITS | WTAI | 0.40% | ~$1.23bn | Yes |
| iShares Automation & Robotics | RBTX | 0.40% | ~$3bn | Yes |
| L&G ROBO Global Robotics | ROBG | 0.80% | ~$500m | Yes |
All four ETFs listed above are available to UK investors through our share dealing account, stocks and shares ISA or SIPP. They are traded on the London Stock Exchange and can be bought and sold like individual shares during market hours. The ETP guide covers the full range of exchange-traded product types, including the differences between ETFs, ETCs and ETNs.
For investors who prefer leveraged exposure to AI themes for shorter-term trading, we offer spread bets and CFDs on major AI stocks including Nvidia, Microsoft and Alphabet. These are leveraged products and carry significant risk: 68% of retail investor accounts lose money when trading spread bets and CFDs with us.
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What is an AI ETF?
An AI ETF is an exchange-traded fund that holds a basket of companies involved in artificial intelligence, including hardware makers, software platforms, cloud providers and AI-enabled application businesses. Most UK-listed AI ETFs are UCITS funds eligible for ISAs and SIPPs.
What is the difference between AIAG and WTAI?
AIAG (L&G) tracks the ROBO Global AI Index and has a broader mandate covering the full AI value chain. WTAI (WisdomTree) tracks the NASDAQ CTA AI Index and is slightly more focused on companies directly engaged in AI technology. WTAI has a lower OCF at 0.40% versus AIAG's 0.49%.
Can I hold AI ETFs in an ISA?
Yes. All four ETFs covered in this article are UCITS funds listed on the London Stock Exchange and are ISA and SIPP-eligible. Holding them in a stocks and shares ISA means all gains and dividends are sheltered from UK capital gains tax and income tax permanently.
How risky are AI ETFs?
AI ETFs carry significant concentration risk and are more volatile than broad market index funds. L&G rates its AI and robotics ETFs at 7/7 on its risk scale. They are appropriate as a satellite allocation within a diversified portfolio, not as a core holding.
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