Siena raises $17M series a

◆ Amount

$17M

◆ Announced

7 Oct 2026

◆ Company

◆ Source

◆ The Round

Siena raised $17M in series a funding, announced on 7 October 2026. The round is tracked live by Fusion42 as part of the Raise fund database and the Scout startup database.

◆ About Siena

AI platform for consumer brands Siena is based in United States and currently at series a stage, operating in AI & ML.

◆ Market context

This funding event is a citable node in Fusion42's market graph: it links Siena's Scout profile to the funds behind the round and to related Wire analysis, and is refreshed from public announcements as the round is confirmed or extended. It is the same live market data Arthur reasons over when benchmarking a founder's own raise against what is closing in the market right now.

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