Who invested in Rein Security?
Rein Security's investors include Sienna Venture Capital, Glilot Capital, Corner, Atlacle and RNP Capital Advisors. Sienna Venture Capital led its latest round.
Israel · Series A startup
Who invested in Rein Security
One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 1 month ago
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Funding summaryUpdated 15 Nov 2026
$25Mraised across 1 round since 2026, from 3 sources
- Latest round
- Series A, $25MOct 2026
- Led by
- Sienna Venture Capital and Glilot Capital
- Investors
- 5 (2 led)
The rounds
- Oct 2026Series A$25M
Sienna Venture CapitalLead- Glilot CapitalLead
Corner
Atlacle- RNP Capital Advisors
Reported by Fintech Global and 2 others
Founders and team
From Rein Security's own website: 5 founders, 1 on the team.
Guy NizanCEO & Founder at Recapp
Matan Bar EfratCo Founder & CEO
Netanel RubinCo-Founder & CTO
Maor HizkievFounder at BitDam
Arik KleinsteinFounder
- Gal NakashCofounder & CPO at Reco
Everyone who backed them
Glilot Capitalno record of our own yet1round, led 1
RNP Capital AdvisorsVC firm1round
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Quick answers about Rein Security
How much has Rein Security raised?
Rein Security has raised $25M across 1 round since 2026.
When did Rein Security last raise?
Rein Security's most recent round was a Series A of $25M in Oct 2026, led by Sienna Venture Capital.
What was Rein Security's biggest round?
Its most recent round, $25M in Oct 2026, is also its largest on record.
Who backed Rein Security first?
Rein Security's first round on record, in Oct 2026, was backed by Sienna Venture Capital, Glilot Capital and Corner and 2 others.
What stage is Rein Security at?
Rein Security's latest named round is a Series A, in Oct 2026.
Where is Rein Security based?
Rein Security is based in Israel.
Who led Rein Security's rounds?
Sienna Venture Capital led the Series A in 2026.
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In the same sector, and raised in the last eighteen months.
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