28X
PrivateLast Round
Seed
Sep 1, 2025
Total Funding Raised
$1.62M
Company Overview
28X operates in Healthcare & Life Sciences and is based in London. Its latest recorded funding round was a Seed round in September 2025.
28X is a health technology company that provides a free, privacy-first, and ethically driven digital platform for menstrual cycle tracking and women's health education.
Sector
Healthcare & Life Sciences
Verticals
Patient Engagement, Data Protection
Business Model
B2C
Customer Profile
Services & Consulting
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
28X Comparables
Compare 28X with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Ferne | 84% | |
| drip | 81% | |
| Embody Space, Inc. | 79% |
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28X Funding Rounds
Historical fundraising activity
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28X Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Philips Foundation Impact Investments B.V. | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 22, 2026
Grew 38% QoQ from 8 to 11 employees.
- Apr 1, 2026
Grew 57% QoQ from 7 to 11 employees.
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28X Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about 28X's valuation, stock price, and market status.
Is 28X a public or private company?
28X is a private company.
What is the current stock price of 28X?
28X is a private company, so its shares have no public market price. Caplight tracks 28X's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is 28X worth (valuation)?
Valuation information for 28X is not publicly available.
Can I buy 28X stock?
28X shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was 28X's last funding round?
28X's most recent funding round was Seed on September 1, 2025.
Who are the main investors in 28X?
Key investors in 28X include Philips Foundation Impact Investments B.V..
Will 28X IPO soon?
No public IPO plans have been announced for 28X.
How can I track 28X secondary market activity?
Caplight tracks bids, offers, and trades in 28X's shares on secondary markets.