Harper
PrivateLast Round
Series A
Feb 25, 2026
Total Funding Raised
$47.45M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Harper is a software company that provides an open-source Node.js performance platform that unifies database, cache, application, and messaging layers into one in-memory process.
Sector
AI, Data & Cloud Infrastructure
Verticals
Cloud Infrastructure, Database Management, Serverless Computing, DevOps & Containers
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Harper Comparables
Compare Harper with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Macrometa Corporation | 87% | |
| Convex | 82% | |
| SurrealDB | 77% |
Harper Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Feb 25, 2026 | ||||
| Seed | Mar 1, 2025 | ||||
| Pre Seed | Jun 10, 2019 |
Key People
Founding team and executive leadership
Harper Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Lobster Capital | Series A, Seed |
| Peak XV Partners | Series A, Seed |
| Antler | Series A, Seed |
| Y Combinator | Series A, Seed |
| 10x Founders | Series A, Seed |
| Outset Capital | Series A, Seed |
| Emergence Capital | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 20, 2026
Open roles increased to 57, 130% of current headcount.
- Jul 13, 2026
Open roles increased from 0 to 14, representing 32% of headcount.
Harper 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.
Request accessFrequently Asked Questions
Common questions about Harper's valuation, stock price, and market status.
Is Harper a public or private company?
Harper is a private company.
What is the current stock price of Harper?
Harper is a private company with no public stock price. No recent secondary market data is available.
How much is Harper worth (valuation)?
Valuation information for Harper is not publicly available.
Can I buy Harper stock?
Harper shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Harper's last funding round?
Harper's most recent funding round was Series A on February 25, 2026.
Who are the main investors in Harper?
Key investors in Harper include Emergence Capital.
Will Harper IPO soon?
No public IPO plans have been announced for Harper.
How can I track Harper secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Harper's secondary market activity and sign up for updates.