SiSigray, Inc

SiSigray, Inc is a defense tech company in Concord, United States, founded in 2019. It has raised $18.0M across 14 rounds, most recently a $1.6M Grant in April 2025.

Synchrotron-grade x-ray systems for the laboratory

Employees
11–50
Founded
2019
Business Model
B2B
Website
sigray.com
Total Funding
$18.0M
Last Round
$1.6M GrantApr 2025
Rounds
14

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 14 funding rounds for this company. The full record is or through the API.

About

Sigray is a San Francisco Bay Area company developing laboratory x-ray instruments with synchrotron-grade performance, including x-ray microscopy, micro x-ray fluorescence, and x-ray absorption spectroscopy systems. Founded in 2013, the company's patented ultrahigh-brightness x-ray source and optics technologies enable capabilities previously only available at large synchrotron facilities. Sigray's instruments serve researchers in semiconductors, batteries, materials science, life sciences, and pharmaceuticals.

Summary

It lists 11–50 employees. It has raised $18.0M in total across 14 rounds, most recently a $1.6M Grant round in Apr 2025.

Tech & App Stack

6 technologies & apps tracked

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Funding History

Data from Indexed.vcUpdated
GrantSBIR Phase II (DOE)Apr 2025
$1.6M

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Funding: Grant. Amounts, valuations, and investors where available.

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