CapitalX
CapitalX

CapitalX

Early-stage venture capital firm investing in exceptional founders with high-growth potential across enterprise, fintech, frontier, and deep tech.

2020VC10 portfolio$151.0M AUMSan Francisco, United States

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.

Recent investments

Recent funding rounds CapitalX took part in
DateCompanyRoundAmount
8 Sept 2026Bluecore EnergySeed$50M
21 Jul 2026Bluecore EnergyPre-Seed$10M
25 Nov 20251015476Undisclosed round$120M
15 Oct 20251042090Undisclosed round$6M
13 Oct 2025Reflection AISeries A$2.0B
22 Jan 20251040983Undisclosed round$150M
16 Dec 2024UnifySeries A$12M
1 May 2024Harmonic AIUndisclosed round$7M
1 May 2024Reflection AIUndisclosed round$3M
24 Apr 2024TensorZeroSeed$7M

Frequently asked

What kind of firm is CapitalX?

CapitalX is listed as VC.

How much has CapitalX raised for its funds?

CapitalX has raised about $151M across its funds.

What companies has CapitalX invested in?

CapitalX has invested in Bluecore Energy, 1015476, 1042090, Reflection AI, 1040983 and 6 more.

What stages does CapitalX invest in?

CapitalX invests at Seed, Pre-Seed.

How much does CapitalX invest per deal?

CapitalX writes cheques from $6M to $6M.

Where is CapitalX based?

CapitalX is based in San Francisco, United States.

AUM
$151M
PORTFOLIO
10
Scores
Measured, not editorial
Ahrefs DR
26/100

Strength of the site’s backlink profile, on Ahrefs’ 0-100 Domain Rating scale. Licensed third-party data, not our opinion.

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