Summit Partners | 68,368 followers on LinkedIn. Growth Capital for Exceptional Entrepreneurs | Summit Partners is a global alternative investment firm with capital dedicated to growth equity, fixed income, and public equity opportunities. The Summit Partners’ strategy is grounded in a foundational belief that profitable growth is the most reliable path to building a durable business and creating long-term value. For four decades, the Summit team has focused on partnering with and powering the growth of great people and great companies.