SirenOpt
PrivateLast Round
Grant
Oct 8, 2025
Total Funding Raised
$9.47M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
SirenOpt is an advanced manufacturing technology company that provides a real-time sensing and software platform for the cost-effective production of micro- and nano-materials using cold atmospheric plasma and machine learning.
Sector
Frontier & Industrial Tech
Verticals
Smart Manufacturing, Semiconductors, Sensors, Energy Storage, Advanced Materials
Business Model
B2B
Customer Profile
Hardware + Subscription, Subscription SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
SirenOpt 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 |
SirenOpt Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Oct 8, 2025 | ||||
| Grant | Sep 1, 2024 | ||||
| Seed | Jul 23, 2024 | ||||
| Accelerator | Apr 4, 2023 |
SirenOpt Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Impact Science | Seed |
| Access Industries | Seed |
| Climate Club | Seed |
| HV Fund | Grant |
| Wireframe Ventures | Seed |
| Voyager Ventures | Grant |
| Berkeley SkyDeck | Seed, Accelerator |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 1, 2026
PlasmaSens product planned for release in 2026.
- Nov 11, 2025
Added Dental Imaging, a startup in the dental industry, as a customer.
SirenOpt Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about SirenOpt's valuation, stock price, and market status.