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NeuronFeed

Sierra · Series A

Conversational AI agents for every business

Amount

$110M

Round

Series A

Valuation

$1B

Announced

Feb 2024

Investors

Lead investor

Greenoaks

Notes

Led by Sequoia and Benchmark

📎 Source

Other Sierra rounds

Date Round Amount
May 2026 Series D $950M Details →
Sep 2025 Series C $350M Details →
Sep 2025 Series C $350M Details →
Oct 2024 Series B $175M Details →
Oct 2024 Series B $175M Details →
Feb 2024 Series A $110M Details →