Circadian Risk

Ann Arbor, MI · Founded 2016 · Privately Held (backing)

Developer of a security assessment platform designed to assess and improve physical security for enterprise companies. Circadian Risk is based in Ann Arbor, MI and was founded in 2016. It was valued at $25.2 million at its later-stage round in Sep 2025, the last priced event on record. It has raised $11.3 million across 2 recorded rounds; the latest was a $5 million early-stage round in Sep 2025.

PMV mark · valuation
$25.2M
Oct 2026
Priced at
its later-stage round
Sep 2025
Total raised
$11.3M
Last round
Early Stage VC
Sep 2025

Who backs Circadian Risk?

11 investors
InvestorType
GaingelsVenture capital
Empty Set GroupVenture capital
Arthur VenturesVenture capital
11 Tribes VenturesVenture capital
Tamiami Angel FundsAngel
10X Capital—
Artificial Intelligence Technology Solutions—
Desai Accelerator—
Jogan—
Michigan Angel Fund—
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Circadian Risk investors

11 investors are on record for Circadian Risk, including Gaingels, Empty Set Group, Arthur Ventures and 11 Tribes Ventures. By type, the record holds 4 venture capital firms and 1 angel investor. The early-stage round in Sep 2025 drew 31 investors.

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