Spire

Public

St. Louis, MissouriUtilitieswww.spire.com

Spire is now publicly traded

The data on this page reflects Spire's private-market history up to the point it went public, including its funding rounds, valuation, and investors.

Last Round

Series B

Apr 20, 2026

Total Funding Raised

$70M

Company Overview

Spire (NYS: SPIR) is a space technology company that provides space-based data, analytics, and services to enhance decision-making across maritime, aviation, and weather sectors.

Sector

Utilities

AI Layer

Application

Keywords

space-to-cloud data and analyticsnanosatellite constellation operatorspace-based data subscriptionSpace-as-a-Service (SaaS) platformspace-based automatic dependent surveillance-broadcast (ADS-B)GPS Radio Occultation dataRadio Frequency Geospatial Intelligence (RFGEOINT)satellite data APIglobal weather forecasting datahosted satellite payload servicevertically integrated satellite manufacturingearth observation data provider

Spire Comparables

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Spire comparables — related companies by embedding similarity
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Spire Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Series B	Apr 20, 2026

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Spire Investors

Notable investors and investment history

Spire investors
Investor	Rounds
Promus Ventures	Series B
Lemnos Labs	Series B
Bessemer Venture Partners	Series B
RRE Ventures	Series B
Jump Capital	Series B

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Spire Filings

SEC and related filings with document metadata.

Data table
Typed	Date	Amount Offered	Amount Sold	Filling	Pages	Download
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Spire Filings

SEC and related filings with document metadata.

Firmographic Details

HeadquartersSt. Louis, Missouri

Employee Range506

Year Founded2021

Last FundingApr 20, 2026

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