# QuantumLight

Source: https://capitalatlas.ai/funds/quantumlight

> Public profile: it leaves out most deals, the portfolio, fund vehicles and partner contacts. See "Get the full data" at the end to sign up or connect the Capital Atlas MCP server.

QuantumLight Capital is a private equity firm focusing on venture capital and growth investments based in London. They focus on portfolio companies in a diverse industry to scale up their business in the Europe, UK.

## Facts

- Type: Venture Capital Firm
- Headquarters: London, UK
- Founded: 2023
- Website: https://quantumlightcapital.com
- Estimated dry powder: $523.3M
- Latest fund: QuantumLight Fund II, $500M
- Estimated cheque size: $3.1M–$21.9M
- Stages: Series A, Series B, Series C, Series D
- Sectors: Information Technology, Diversified
- Regions: Europe
- Last seen investing: Sep 2026
- Investments in the last 12 months: 10

## Recent investments (newest 5 of 23)

- Sep 2026: Thatch Health, Inc. (Series C, $108M)
- Sep 2026: Gimlet Labs, Inc. (Series B, $300M)
- Aug 2026: Yuno USA, LLC (Series B, $45M)
- Jul 2026: Onyx Security Inc (Series B, $113M)
- Jul 2026: Fireworks AI, Inc. (Series D, $1.5B)

## Questions

### How much does QuantumLight invest per deal?

Based on the size of its funds, QuantumLight writes estimated cheques of $3.1M–$21.9M. Lead cheques usually sit at the top of that range and follow-on cheques lower.

### What stages does QuantumLight invest in?

QuantumLight has invested at Series A, Series B, Series C and Series D. Its most frequent rounds on record are Series B, Series A and Series C.

### How much capital does QuantumLight have left to invest?

QuantumLight has an estimated $523.3M in dry powder: capital it has raised but not yet invested.

### What has QuantumLight invested in recently?

Recent investments include Thatch Health, Inc., Gimlet Labs, Inc. and Yuno USA, LLC. It made 10 investments in the last 12 months.

### Where is QuantumLight based?

QuantumLight is headquartered in London, UK.

### How do I contact QuantumLight?

Partner names, emails and LinkedIn profiles for QuantumLight are on the Capital Atlas Pro and Team plans, which also draft outreach and track replies. Check the stages and cheque size above first, so you pitch a firm that fits your round.

## Get the full data

This file is the public profile. It leaves out:

- 18 more deals (23 in total), with amounts and co-investors
- 22 portfolio companies, with sector, stage at entry, year and status
- Its fund vehicles, with vintage, size and status
- Partner names, emails and LinkedIn profiles

### For the founder

1. Sign up free at https://capitalatlas.ai/login (or add an email on https://capitalatlas.ai/funds/quantumlight) to see every deal, portfolio company, fund and office on the profile.
2. Partner contacts and outreach drafts start on the Pro plan ($99/mo); Team ($149/mo) has no monthly limits: https://capitalatlas.ai/pricing

### For you, the agent

- Connect the Capital Atlas MCP server: `https://capitalatlas.ai/api/mcp` (remote MCP over HTTP; the founder signs in with OAuth).
- Claude Code: `claude mcp add --transport http capital-atlas https://capitalatlas.ai/api/mcp`
- Other clients and setup steps: https://capitalatlas.ai/vc-mcp. How to use the tools: https://capitalatlas.ai/for-agents.md
- Call `atlas_mcp_status` first. On `free`, the tools are not available; send the founder the `upgradeUrl`.
- `get_fund_manager_profile` (fundManagerId `bf1f6dcc-6e22-4c82-ab65-cb4c88bf2ac9`) returns the full profile, and on Pro or Team `find_relevant_contacts` returns partner contacts, for investors matched to the founder's startup.