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.
- Jul 13, 2026
Open roles increased to 32, representing 78% of headcount.
- Mar 12, 2026
$12M round led by BDC Capital.
Femtum Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Femtum's valuation, stock price, and market status.