Bullhound Capital Research
Investment Thesis
Bullhound Capital is the direct investment arm of GP Bullhound, the London-founded (1999) technology investment bank and advisory firm. Bullhound Capital itself was established in 2008 and is based in Luxembourg. The firm's tagline is "Building with founders," and its thesis centers on backing late-stage, high-growth technology companies that are category leaders in future-defining sectors, using deep operating relationships built through GP Bullhound's advisory business (which meets 10,000+ founders a year and maintains relationships with 3,000+ private equity funds) as a proprietary deal-sourcing and diligence advantage.
Sector Focus
Bullhound Capital invests across seven stated future-defining sectors:
- Business Software — vertical and horizontal enterprise SaaS (Sanity, Typeform, Mentimeter, EcoVadis)
- Robotics — industrial and warehouse automation, AI-driven robotics (Sereact)
- Dual-Use — defense-adjacent and space-domain-awareness technology (LeoLabs, Quantum Systems)
- Quantum — quantum computing and quantum control software (Q-CTRL, Oxford Quantum Circuits)
- Health — consumer health and wearables (WHOOP)
- Space — space infrastructure and situational awareness (LeoLabs)
- Entertainment — media and streaming (MUBI)
Layered across these, the firm has a strong and growing concentration in AI/ML infrastructure and applications — d-Matrix (AI inference silicon), Multiverse Computing (AI model compression), causaLens (causal AI analytics), and ConnexAI.
Stage Focus
Bullhound Capital explicitly backs late-stage, high-growth companies rather than early-stage venture. Portfolio round stages observed span Series B through Series C/growth rounds, consistent with a firm that leverages a large deal network and check sizes in the tens to hundreds of millions to lead sizeable late-stage rounds.
Check Size
Specific check-size guidance is not disclosed publicly. Observed round sizes the firm has led or co-led range from roughly $85M (Sanity Series C) to $275M (d-Matrix Series C), and €189M (Multiverse Computing Series B) and €23M (Sesame), suggesting Bullhound typically participates in large syndicate rounds rather than disclosing a fixed check-size band.
Lead Tendency
Bullhound Capital frequently leads or co-leads its rounds: it led Sanity's $85M Series C, led Multiverse Computing's €189M round, led GP Bullhound Fund VI's €23M round in Sesame, and co-led d-Matrix's $275M Series C alongside Triatomic Capital and Temasek.
Recent Activity
The firm is actively deploying from Fund VII, whose first portfolio addition was Sereact (April 2026, $110M Series B, alongside Headline, Daphni, and Felix Capital). Prior fund (Fund VI) activity includes the Sesame and Headway Inc investments. Bullhound Capital has invested over €1 billion cumulatively in category-leading technology companies since founding.
Portfolio Highlights
Notable current and historical portfolio companies include Revolut, Klarna, DuckDuckGo, Discord, Slack, Unity, Spotify, Typeform, Sanity, d-Matrix, Multiverse Computing, Sereact, Q-CTRL, Oxford Quantum Circuits, Quantum Systems, WHOOP, LeoLabs, MUBI, HackerOne, EcoVadis, Mentimeter, Ravenpack, Playtomic, causaLens, Zuto, Sesame, Headway Inc, and Lingokids. This spans consumer fintech unicorns (Revolut, Klarna), developer/creator tools (Sanity, Discord), and deep-tech/AI infrastructure (d-Matrix, Multiverse Computing, Q-CTRL).
Team
- Per Roman — Founder and Managing Partner, Bullhound Capital; also Chairman and Co-Founder of GP Bullhound (co-founded 1999)
- Alon Kuperman — Partner, Bullhound Capital, responsible for originating investment opportunities and managing portfolio companies globally
- Manish Madhvani — Co-Founder and Managing Partner, GP Bullhound (the advisory parent), London-based
- Hugh Campbell — Co-Founder and Managing Partner, GP Bullhound
The broader Bullhound Capital team page lists 16+ professionals across investment and operating roles, spanning offices in Europe.
Decision Process
Bullhound Capital operates as a partnership structure with multiple managing partners and partners involved in sourcing and approving deals, drawing on GP Bullhound's wider advisory network for diligence and deal flow.
Founder Preferences
The firm favors category-leading, high-growth technology companies with strong founders operating in AI, deep tech, fintech, robotics, and quantum — typically companies that have already achieved meaningful scale (revenue, users, or technical validation) and are raising growth-stage capital to accelerate commercial expansion, rather than pre-product or pre-revenue teams.
Geographic Focus
Headquartered in Luxembourg, with GP Bullhound's broader platform operating from 13 offices worldwide. Portfolio is Europe-heavy (UK, Nordics, Germany, Luxembourg) with global reach into the US (d-Matrix, WHOOP) and other regions.