Antithesis
PrivateLast Round
Series A
Dec 3, 2025
Est. Valuation
$215M
Total Funding Raised
$182M
Momentum Score
75 /100
Company Overview
Antithesis is a software development company that creates quality assurance tools designed to enable autonomous software testing by identifying reproducible bugs in controlled environments.
Sector
Enterprise Software
Verticals
DevOps & Containers, Quality Management, Cloud Infrastructure, Database Management, Blockchain Infrastructure
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Antithesis Comps
Public and private peers based on sector, stage, and business model.
Antithesis Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Dec 3, 2025 | ||||
| Early Funding | Feb 13, 2025 | ||||
| Seed | Feb 13, 2024 |
Key People
Founding team and executive leadership
Antithesis Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Potluck Ventures | Seed |
| Jane Street | Series A |
| Hyperion Capital Partners | Series A |
| First In | Series A |
| First In Ventures | Series A |
| Teamworthy Ventures | Series A |
| Amplify Partners | Series A, Early Funding, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Dec 3, 2025
$105M round completed.
- Feb 18, 2025
Emerges from stealth after five years of development.
Antithesis Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Antithesis's valuation, stock price, and market status.