CapitalX
About
CapitalX is an early-stage venture capital firm that focuses on identifying and nurturing exceptional founders with high-growth potential. The firm specializes in seed investments across enterprise, fintech, frontier, and deep tech sectors in the United States. CapitalX utilizes rolling funds and special purpose vehicles to write initial checks ranging from $100,000 to $500,000, with the capacity for follow-on investments exceeding $2 million.
Key facts
- Website
- capitalx.company
- Type
- VC
- Headquarters
- San Francisco, United States
- Funds raised
- $151M
- Portfolio companies
- 11
- Stages
- SeedPre-Seed
- Cheque size
- $6M to $6M
- Sector focus
- EnterpriseFintechFrontier TechDeep TechAI
Recent investments
| Date | Company | Round | Amount |
|---|---|---|---|
| 8 Sept 2026 | Bluecore Energy | Seed | $50M |
| 21 Jul 2026 | Bluecore Energy | Pre-Seed | $10M |
| 25 Nov 2025 | Harmonic AI | Undisclosed round | $120M |
| 15 Oct 2025 | Woz | Undisclosed round | $6M |
| 13 Oct 2025 | Reflection AI | Series A | $2.0B |
| 22 Jan 2025 | DVC | Undisclosed round | $150M |
| 16 Dec 2024 | Unify | Series A | $12M |
| 1 May 2024 | Harmonic AI | Seed | $7M |
| 1 May 2024 | Reflection AI | Undisclosed round | $3M |
| 24 Apr 2024 | TensorZero | Seed | $7M |
Test your Ahrefs DR
The backlink strength of a domain, on the Ahrefs 0 to 100 scale. About a minute.
Write the first review
Frequently asked
What companies has CapitalX invested in?
CapitalX has invested in Bluecore Energy, Harmonic AI, Woz, Reflection AI, DVC and 6 more.
SEC filings, insider activity, nonprofit links and pay benchmarks for CapitalX:
