Sublime Security

Washington, DC · Founded 2019 · Privately Held (backing)

Developer an email security platform designed to write and run custom detection and response rules to block phishing attacks. Sublime Security is based in Washington, DC and was founded in 2019. Its last reported valuation was $948 million in Oct 2025. It has raised $240 million.

Last reported valuation
$948.0M
Oct 2026
Priced at
—
Total raised
$239.8M
Last round
—
What is Sublime Security worth?
$948.0Mlast reported valuation · Oct 2026

Sublime Security's last reported valuation, Oct 2025. Nothing priced has surfaced since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Markrounds hold their value until the next priced eventMark, today
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Sublime Security funding history

No rounds on record

No funding rounds for Sublime Security are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Sublime Security valuation

Sublime Security's last reported valuation was $948 million in Oct 2025. No priced round, secondary trade or fund mark has surfaced since.

How Sublime Security's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For Sublime Security, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by last reported valuation. Question about this number? Full methodology →

Frequently asked about Sublime Security

What is Sublime Security worth?
Sublime Security is valued at $948.0M as of Oct 2026. Sublime Security's last reported valuation, Oct 2025. Nothing priced has surfaced since.
How much has Sublime Security raised?
Sublime Security has raised $239.8M in total funding across its recorded rounds.