Moonfire Ventures
Venture capital firm; participated in Stanhope AI's £2.3M seed round (March 2024).
Moonfire is a London-based, AI-driven venture capital firm investing in pre-seed and seed-stage startups across security/infrastructure, work & knowledge, capital & finance, gaming/community, and health & wellbeing. Founded by Mattias Ljungman (previously a co-founder and 13-year General Partner at Atomico) after incorporating in October 2019 and publicly launching in 2020, it uses a proprietary AI sourcing platform reviewing tens of thousands of companies weekly to identify founding teams — positioning itself as a data/AI-native alternative to network-driven venture capital.
Overview
- Firm
- Moonfire Ventures
- Headquarters
- London, UK
- Founded
- 2019
- AUM
- Fund I ~$60M (closed 2021) plus Fund II ~$115M and a $25M opportunity fund (announced May 2023) — roughly $200M in combined committed capital across vehicles; no single consolidated AUM figure published by the firm
- Stages
- Pre-Seed, Seed
- Thesis
- Back founders building products that provide greater access, efficiency, and service-quality by leveraging the power of data.
- uk.linkedin.com/company/moonfire
- X / Twitter
- x.com/Moonfire_VC
- Website
- www.moonfire.com
Portfolio companies1
Partners2
- FounderMattias LjungmanCo-founded Atomico with Niklas Zennstrom in 2006 and spent 13 years there as GP before launching Moonfire Ventures in 2019/2020 as a seed-stage, AI-native VC firm for European founders.
- FounderMike ArpaiaSecurity/infrastructure engineer best known for creating osquery at Facebook; co-founded Kolide before joining Moonfire in 2020 as Managing Partner running the firm's AI and data-technology strategy.
Frequently asked
- What is Moonfire Ventures?
- Back founders building products that provide greater access, efficiency, and service-quality by leveraging the power of data.
- How much does Moonfire Ventures manage?
- Moonfire Ventures manages Fund I ~$60M (closed 2021) plus Fund II ~$115M and a $25M opportunity fund (announced May 2023) — roughly $200M in combined committed capital across vehicles; no single consolidated AUM figure published by the firm in assets, and was founded in 2019.
- What stages does Moonfire Ventures invest at?
- Moonfire Ventures invests at Pre-Seed, Seed.
Tags
Sources & citations6
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Moonfire's thesis, focus areas, HQ address, FCA registration.
Moonfire: Moonfire — HomeVerified2026-08-09 - 2
Moonfire Fund II closed at $115M plus a $25M opportunity fund, announced May 2023.
Moonfire: Announcing Fund IIVerified2023-05-01 - 3
Moonfire's Fund I closed at $60M in 2021; stage/check-size ($100K–$3M).
TechCrunch: Born in the pandemic, Moonfire's first $60M seed fundVerified2021-05-06 - 4
Founder Mattias Ljungman's background and launch narrative.
Sifted: Moonfire — Mattias LjungmanVerified2026-08-09 - 5
Moonfire Ventures LLP incorporation date (18 October 2019, OC429321).
UK Companies House: Moonfire Ventures LLPVerified2019-10-18 - 6