United States · Venture startup

Who invested in Silmaril

One round we have observed, with the one investor 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.

Cybersecurity

Raised 5 months ago

Funding summaryUpdated 26 Oct 2026

Undisclosedraised across 1 round since 2026, from 1 source

Latest round
VentureJun 2026
Investors
1
See who backed them

The rounds

  1. Jun 2026
    VentureAmount undisclosed

    Source recorded

Everyone who backed them

Y CombinatorAccelerator1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Silmaril as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Spot VCVC firmPer its own site

Quick answers about Silmaril

Who invested in Silmaril?

Silmaril's investors include Y Combinator.

How much has Silmaril raised?

Silmaril has raised 1 round since 2026, none with a disclosed amount.

When did Silmaril last raise?

Silmaril's most recent round was a Venture in Jun 2026.

Who backed Silmaril first?

Silmaril's first round on record, in Jun 2026, was backed by Y Combinator.

What stage is Silmaril at?

Silmaril's latest named round is a Venture, in Jun 2026.

Where is Silmaril based?

Silmaril is based in the United States.

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In the same sector, and raised in the last eighteen months.

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