Skip to main content
Caplight Logo









ElFys

ElFys

Private
EspooFrontier & Industrial Techhttps://www.elfys.fi/

Last Round

Series A

Extension

Sep 15, 2022

Total Funding Raised

$7.32M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

ElFys is a deep-tech company that designs and manufactures high-performance black silicon photodiodes for light detection applications in industries such as healthcare, industrial sensing, and defense.

Sector

Frontier & Industrial Tech

Verticals

Sensors, Medical Imaging, Semiconductors

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

photodetectorsilicon photodiodeoptical sensorquantum efficiencysurface passivationblack siliconmedical imagingindustrial sensingsensor designOEM componentsoptoelectronicsphotonicslow noise sensordefense electronics

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

ElFys Comparables

Compare ElFys with similar companies based on industry and business-model similarity.

ElFys comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Marktech Optoelectronics
79%
TE Connectivity
77%
Hamamatsu Photonics K.K.
74%

ElFys Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series A ExtensionSep 15, 2022
Series ASep 23, 2021
SeedNov 1, 2019

Key People

Founding team and executive leadership

Mikko A. Juntunen

Founder and CEO

Founding Team

ElFys Investors

Notable investors and investment history

ElFys investors
InvestorRounds
Metaplanet HoldingsSeries A
Samsung Venture InvestmentSeries A Extension
Voima VenturesSeries A Extension, Series A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors grew 94% MoM.

  • May 3, 2025

    Monthly visitors grew 51% MoM, reaching 1.3K.

ElFys Filings

Explore SEC and related filing metadata, where available.

ElFys filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

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

Is ElFys a public or private company?

ElFys is a private company.

What is the current stock price of ElFys?

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

How much is ElFys worth (valuation)?

Valuation information for ElFys is not publicly available.

Can I buy ElFys stock?

ElFys 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 ElFys's last funding round?

ElFys's most recent funding round was Series A Extension on September 15, 2022.

Who are the main investors in ElFys?

Key investors in ElFys include Metaplanet Holdings, Samsung Venture Investment, Voima Ventures.

Will ElFys IPO soon?

No public IPO plans have been announced for ElFys.

How can I track ElFys secondary market activity?

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

Firmographic Details

HeadquartersEspoo
Employee Range11
Year Founded2017
Last FundingSep 15, 2022

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?