CoolSem Technologies
PrivateLast Round
Corporate Funding
Jan 19, 2026
Total Funding Raised
$1.39M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
CoolSem Technologies is a semiconductor company that develops wafer-level thermal management technology to reduce thermal resistance and mechanical stress in advanced semiconductor and photonic devices.
Sector
Frontier & Industrial Tech
Verticals
Semiconductors, Advanced Materials, Computing Hardware, Energy Management
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
CoolSem Technologies Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
CoolSem Technologies Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Corporate Funding | Jan 19, 2026 | ||||
| Debt | Oct 30, 2025 |
Key People
Founding team and executive leadership
CoolSem Technologies Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| PhotonDelta | Debt |
| Brabantse Ontwikkelings Maatschappij | Corporate Funding |
| Innovatie Fonds Rabobank | Corporate Funding |
| Brabant Startup Fonds | Corporate Funding |
| High-Tech Gründerfonds | Corporate Funding |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 27, 2026
Grew 27% QoQ from 11 to 14 employees.
- Apr 27, 2026
Grew 30% QoQ, from 10 to 13 employees.
CoolSem Technologies 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 CoolSem Technologies's valuation, stock price, and market status.