Who invested in Cylake

2 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AIBig Data & AnalyticsCybersecurity

Raised 2 months ago

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Funding summaryUpdated 15 Nov 2026

$290Mraised across 2 rounds since 2026, from 2 sources

$45MSeed$245MRound

Latest round: Round, $245MSept 2026
Step-upi: 5.4×
Investors: 4 (1 led)

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2027

$45MSeed$245MRound

First round: Seed, $45M
Biggest round: $245M
Between rounds: 6 months

The rounds

Sept 2026
Round$245M3 new1 returning
Source recorded
Mar 2026
Seed$45M1 new
- GreylockLead
Reported by Ventureburn

Founders and team

From Cylake's own website: 3 founders, 5 on the team.

Nir ZukFounder and CEO

Udi ShamirTitle Co-founder and Chief Architect

Wilson XuTitle Co-founder and Chief Development Officer

Jesse RalstonTitle Chief Technology Officer
Jony HartonoTitle Chief Financial Officer
Maya MarcusTitle Chief People Officer
René BonvanieTitle Chief Marketing Officer
Nick CampagnaTitle Head of Product Management

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Seed2026Round2026

GreylockL

Lightspeed Venture Partners

Redpoint

In-Q-Tel

Everyone who backed them

GreylockVC firm2rounds, led 1

Lightspeed Venture PartnersVC firm1round

RedpointVC firm1round

In-Q-TelAccelerator1round

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Quick answers about Cylake