SOND
PrivateLast Round
Seed
Jun 23, 2026
Est. Valuation
$47M
Total Funding Raised
$7M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
SOND operates in Consumer & Commerce and is based in Cambridge, Massachusetts. Its latest recorded funding round was a Seed round in June 2026.
SOND is a healthcare technology company developing AI-powered sleep earbuds that provide real-time coaching and personalized soundscapes to improve sleep.
Sector
Consumer & Commerce
Verticals
Consumer Electronics, D2C Brands, Health IoT
Business Model
B2C
Customer Profile
Hardware Sales
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
SOND Comparables
Compare SOND with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Somnee | 81% | |
| Ozlo Sleep | 81% | |
| Earable Neuroscience | 79% |
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SOND Funding Rounds
Historical fundraising activity
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Key People
Founding team and executive leadership
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SOND Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Crosslink Capital | Seed |
| Alumni Ventures | Seed |
| Ubiquity Ventures | Seed |
| The E14 Fund | Seed |
| Meach Cove Capital | Seed |
| Alumni Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 25, 2026
Grew 38% QoQ, from 8 to 11 employees.
- Jul 22, 2026
Grew 50% QoQ from 6 to 9 employees.
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SOND 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 SOND's valuation, stock price, and market status.
Is SOND a public or private company?
SOND is a private company.
What is the current stock price of SOND?
SOND is a private company, so its shares have no public market price. Caplight tracks SOND's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is SOND worth (valuation)?
SOND's valuation is estimated at $47.0M based on funding round data.
Can I buy SOND stock?
SOND shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was SOND's last funding round?
SOND's most recent funding round was Seed on June 23, 2026.
Who are the main investors in SOND?
Key investors in SOND include The E14 Fund.
Will SOND IPO soon?
No public IPO plans have been announced for SOND.
How can I track SOND secondary market activity?
Caplight tracks bids, offers, and trades in SOND's shares on secondary markets.