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Sonibel Instruments

Sonibel Instruments

Private
San Francisco, CaliforniaFrontier & Industrial Techhttps://sonibelinstruments.com/

Last Round

Pre Seed

Apr 16, 2026

Total Funding Raised

$1.6M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Sonibel Instruments is a manufacturing quality control company that has developed an AI-powered system to detect weld defects in real-time by analyzing the acoustic signature of the weld arc.

Sector

Frontier & Industrial Tech

Verticals

Smart Manufacturing, Sensors, Edge Computing, Quality Management

Business Model

B2B

Customer Profile

Hardware + Subscription, Services & Consulting, Hardware Sales

AI Layer

Application

Keywords

weld quality controlweld defect detectionAI for weldingacoustic sensingsmart manufacturingnon-destructive testingNDTindustrial IoTIIoTedge computingprocess controlconstruction techdefense techshipbuilding techgas metal arc weldingGMAWflux-cored arc weldingFCAW

Historical Pricing

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Caplight Momentum Score

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Sonibel Instruments Comparables

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Sonibel Instruments comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
AutoMetrics Manufacturing Technologies Inc.
79%
Lincoln Electric Holdings Inc
68%
ESAB Corporation
63%

Sonibel Instruments Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Pre SeedApr 16, 2026

Sonibel Instruments Investors

Notable investors and investment history

Sonibel Instruments investors
InvestorRounds
Dorm Room FundPre Seed
Champion Hill VenturesPre Seed
Maple VCPre Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 16, 2026

    $1.6M round raised

Sonibel Instruments Filings

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Sonibel Instruments filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Sonibel Instruments's valuation, stock price, and market status.

Is Sonibel Instruments a public or private company?

Sonibel Instruments is a private company.

What is the current stock price of Sonibel Instruments?

Sonibel Instruments is a private company with no public stock price. No recent secondary market data is available.

How much is Sonibel Instruments worth (valuation)?

Valuation information for Sonibel Instruments is not publicly available.

Can I buy Sonibel Instruments stock?

Sonibel Instruments shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Sonibel Instruments's last funding round?

Sonibel Instruments's most recent funding round was Pre Seed on April 16, 2026.

Who are the main investors in Sonibel Instruments?

Key investors in Sonibel Instruments include Maple VC.

Will Sonibel Instruments IPO soon?

No public IPO plans have been announced for Sonibel Instruments.

How can I track Sonibel Instruments secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Sonibel Instruments's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Francisco, California
Year Founded2025
Last FundingApr 16, 2026

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