Solana sandwich bots took $29.7 million before costs, mostly targeting Pump.fun

What happened

Pump.fun's launch curve and PumpSwap accounted for 96% of detected attacks in the study's 11-month window. It found 96% of detected attacks on memecoin platform Pump.fun's launch curve and its PumpSwap exchange.

Sandwich bots extracted about $29.7 million before costs from Solana trades over an 11-month period, according to blockchain data provider Bitquery. The investigation , covering successful swaps, counted 6,850,144 attacks by 2,545 bot wallets affecting 2,154,994 distinct wallets between October 30, 2025, and October 7, 2026.

Those addresses do not represent a count of individual people: other bots' trades accounted for 39% of the estimated gross take. A sandwich places a bot's purchase and sale around another trader's swap.