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Most active investors

March 16, 2026

These were the most active AI investors in 2025

Sifted tracks the 106 busiest cheque writers of the year


The Y Combinator team give a talk

Investors funnelled just over €11bn into European AI startups in 2025, according to Sifted data — up 58% on 2024 investment.

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Hessa Alabbas

Hessa Alabbas is a data analyst at Sifted, based in London. You can find her on LinkedIn.

Ruggero Di Spigna

Ruggero Di Spigna is a Senior Insights & Product Associate at Sifted. Find him on LinkedIn

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