SandGrain
PrivateLast Round
Series A
Dec 9, 2025
Total Funding Raised
$19.32M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
SandGrain is a deep-tech company that develops a post-quantum security platform designed to secure industrial IoT networks through hardware-anchored authentication.
Sector
Cybersecurity
Verticals
IoT Security, Digital Identity, IoT Hardware, Defense Tech
Business Model
B2B
Customer Profile
Subscription SaaS, Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
SandGrain Comparables
Compare SandGrain with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Crypto Quantique | 83% | |
| Veridify Security | 70% | |
| Xiphera Ltd | 67% | |
SandGrain Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Dec 9, 2025 | ||||
| Seed | Mar 8, 2024 | ||||
| Seed | Apr 11, 2023 |
Key People
Founding team and executive leadership
SandGrain Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Brabantse Ontwikkelings Maatschappij | Series A |
| Invest-NL | Series A |
| Innovation Industries | Series A |
| DeepTechXL | Seed, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 8, 2026
Grew 17% QoQ from 18 to 21 employees.
- Dec 23, 2025
Grew 43% QoQ, from 14 to 20 employees.
SandGrain 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 SandGrain's valuation, stock price, and market status.