AttoTude
PrivateLast Round
Series C
May 22, 2026
Total Funding Raised
$79M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
AttoTude operates in AI, Data & Cloud Infrastructure and is based in Menlo Park, California. Its latest recorded funding round was a Series B round in April 2025.
AttoTude is a semiconductor company that develops terahertz (THz) interconnect technology for artificial intelligence and hyperscale data center applications.
Sector
AI, Data & Cloud Infrastructure
Verticals
Semiconductors, Cloud Infrastructure, AI Training Infrastructure
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
AttoTude Comparables
Compare AttoTude with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Avicena | 88% | |
| Point2 Technology Inc. | 88% | |
| Xscape Photonics | 84% |
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AttoTude Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | May 22, 2026 | ||||
| Series B | Apr 1, 2025 | ||||
| Series A | Sep 10, 2024 | ||||
| Early Funding | Mar 13, 2024 |
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Key People
Founding team and executive leadership
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AttoTude Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| The Westly Group | Series B, Series C |
| Canaan Partners | Series C, Series A, Series B |
| Wing Venture Capital | Series C, Series B, Series A |
| AllegisCyber | Series C |
| Allegis Capital | Series C |
| Mayfield Fund | Series C, Series B |
| DNX Ventures | Series C |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 12, 2026
Monthly visitors increased 44% MoM.
- Aug 22, 2026
Monthly visitors grew 78% MoM, reaching 3.7K.
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AttoTude 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.
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Frequently Asked Questions
Common questions about AttoTude's valuation, stock price, and market status.
Is AttoTude a public or private company?
AttoTude is a private company.
What is the current stock price of AttoTude?
AttoTude is a private company, so its shares have no public market price. Caplight tracks AttoTude's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is AttoTude worth (valuation)?
Valuation information for AttoTude is not publicly available.
Can I buy AttoTude stock?
AttoTude shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was AttoTude's last funding round?
AttoTude's most recent funding round was Series C on May 22, 2026.
Who are the main investors in AttoTude?
Key investors in AttoTude include The Westly Group, Wing Venture Capital, Mayfield Fund.
Will AttoTude IPO soon?
No public IPO plans have been announced for AttoTude.
How can I track AttoTude secondary market activity?
Caplight tracks bids, offers, and trades in AttoTude's shares on secondary markets.