Femtum
PrivateLast Round
Series A
Mar 12, 2026
Total Funding Raised
$27.3M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Femtum is a semiconductor and laser technology company that develops and manufactures advanced fiber laser solutions for the manufacturing of silicon photonics, co-packaged optics, and next-generation semiconductor devices.
Sector
Frontier & Industrial Tech
Verticals
Semiconductors, Smart Manufacturing, Computing Hardware
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Femtum Comparables
Compare Femtum with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| AdValue Photonics | 76% | |
| Photonics Systems Group | 76% | |
| LumIR Lasers | 67% |
Femtum Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Mar 12, 2026 | ||||
| Series A | Mar 12, 2024 | ||||
| Seed | Jan 18, 2024 | ||||
| Grant | Sep 18, 2019 |
Key People
Founding team and executive leadership
Femtum Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Quantacet | Series A, Seed |
| Hamamatsu Ventures | Series A, Seed |
| i4 Capital | Series A, Seed |
| Fonds de solidarité FTQ | Series A |
| BDC Capital | Series A |
| ELAS Technology Investment GmbH | Seed |
| Cathay Venture | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 88% MoM, reaching 5.3K.
- Jul 13, 2026
Open roles increased to 32, representing 78% of headcount.
Recent news
Latest coverage and updates
- has_revenueSep 2, 2026
Femtum had revenue of $12.6M on Sep 1st '25.
- receives_financingAug 14, 2026
Femtum received financing of $1.95M on Aug 14th '26.
Femtum Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Femtum's valuation, stock price, and market status.
Is Femtum a public or private company?
Femtum is a private company.
What is the current stock price of Femtum?
Femtum is a private company with no public stock price. No recent secondary market data is available.
How much is Femtum worth (valuation)?
Valuation information for Femtum is not publicly available.
Can I buy Femtum stock?
Femtum 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 Femtum's last funding round?
Femtum's most recent funding round was Series A on March 12, 2026.
Who are the main investors in Femtum?
Key investors in Femtum include BDC Capital, ELAS Technology Investment GmbH, i4 Capital.
Will Femtum IPO soon?
No public IPO plans have been announced for Femtum.
How can I track Femtum secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Femtum's secondary market activity and sign up for updates.