What does Sienna Venture Capital invest in?
Sienna Venture Capital invests most often at Series A (100% of the rounds on record), in sectors such as Artificial Intelligence, Cybersecurity and Agrifoodtech.

France · Investor
Last cheque observed Oct 2026; 2 cheques on record.
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1 cheques in the last 12 months
Mostly Series A: 100% of its rounds
Led 2 rounds
We invest globally, identifying and funding the most promising tech entrepreneurs through our proprietary dealflow.From their own website
Every round we can evidence, newest first2 appearances
1 round
1 round
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
We hold 6 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
The latest companies Sienna Venture Capital put money into.
Sienna Venture Capital invests most often at Series A (100% of the rounds on record), in sectors such as Artificial Intelligence, Cybersecurity and Agrifoodtech.
2 investments on record, 1 of them in the last 12 months, and it led 2. The most recent was in Oct 2026.
Its most recent investments on record: Rein Security (Series A, Oct 2026) and Hourly.io (Series A, Nov 2022).
The median round it joins is $15M. It says it writes cheques of $5.0M to $10M.
Yes: it is actively investing, with 1 investments in the last 12 months.
Sienna Venture Capital is a VC firm based in Paris, France.
Sienna Venture Capital was founded in 2013.
From 4 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it