Sienna Venture Capital is an investor.
It has taken part in 1 funding round across 1 Israeli company, leading one1.
Most recent: Rein Security’s Series A of $25M1, announced Oct 8, 2026.
Israeli rounds
| Oct 8, 2026 | Rein Securitycybersecurity, AI agents | Series A | $25M | Lead |
Israeli portfolio
Who invests alongside Sienna Venture Capital?
Sources
- 1Calcalist (CTech), Oct 8, 2026. “Rein Security raises $25 million Series A as companies struggle to control their AI agents”
Which Israeli startups has Sienna Venture Capital invested in?
Sienna Venture Capital has invested in Rein Security.
How many rounds has Sienna Venture Capital led?
Sienna Venture Capital led 1 round of the 1 round it joined.
What was Sienna Venture Capital’s most recent Israeli investment?
Rein Security’s Series A of $25M, announced Oct 8, 2026.