Atlantic Bridge
About
Atlantic Bridge is a Dublin- and London-headquartered growth-equity firm founded in 2004 by Brian Long, Elaine Coughlan, Gerry Maguire and Peter McManamon. It manages over €1.2bn across eight funds, including flagship growth vehicles (Atlantic Bridge III at €140M, AB IV at $317M), two China-Ireland Technology Growth Capital funds, and two University Bridge Funds (€65M + €80M) seeding deep-tech spinouts from Irish universities. Its defining 'Bridge Model' accelerates the internationalisation of European technology companies via the partners' US networks.
The firm invests at expansion and growth stage — typically €10–20M cheques — across AI, next-generation semiconductors, cybersecurity, enterprise software, quantum computing and digital health. It has recorded 50+ exits worth over $7bn, including Movidius (Intel), Decawave (Qorvo), NUVIA (Qualcomm, $1.4bn) and the Nasdaq listing of Navitas Semiconductor. Active holdings include SambaNova, Vectra AI, Equal1 and Cambridge Mechatronics. The team is led by co-founders Brian Long and Elaine Coughlan with Managing Partner Kevin Dillon.
Portfolio 6
- Equal1 Startup · Dublin
- Cambridge Mechatronics Startup · Cambridge
- Neurent Medical Startup · Galway
- sambanova Not in the directory
- vectra-ai Not in the directory
- navitas Not in the directory
Co-investors 1
- Enterprise Ireland Support Organisation · Dublin
Team 3
- Brian Long Person · Palo Alto Co-founder & Managing Partner
- Elaine Coughlan Person · Dublin Co-founder & Managing Partner
- Kevin Dillon Person · London Managing Partner
Connection map
Every node here is a row in the lists above — the map is a second view of the same connections, not another source of them.
Recent news
- Equal1 raises $60M to deploy silicon quantum servers, backed by Atlantic Bridge 2026-01-15 · Atlantic Bridge
- Mitiga closes $30M Series B with Atlantic Bridge among investors 2025-01-21 · Atlantic Bridge