The Sunday Times Rich List 2024 valued Alexander Gerko at GBP 12.055bn. Bloomberg and Forbes put his wealth at $17.1bn in 2026. He owns about 75% of XTX Markets.
Gerko founded XTX Markets in January 2015 as a spin-off from GSA Capital. The firm uses machine-learning models to price currency trades. It was the largest FX spot liquidity provider in 2019.
In 2022 XTX revenue rose 68% to GBP 2.5bn and profit rose 64% to GBP 1.1bn. In January 2024 the Sunday Times Tax List named Gerko the UK's largest taxpayer at GBP 664.5m.
He gave up Russian citizenship in 2022. In 2023 XTX launched the $10m AIMO Prize for AI mathematics.