Summit Partners is an American investment firm based in Boston, Massachusetts.^[1][2][3] The firm focuses on investing in technology, healthcare, life sciences and other growth industries.^[1][3][7][8]

Summit Partners was founded in 1984 by Roe Stamps and Stephen Woodsum, who previously worked together at TA Associates.^{[2][7][8][9][10]} Greg Avis would also join as a co-founder shortly after.^[10][4] The firm is considered one of the earliest private equity firms to focus on growth investing.^[7]

In 2000, the three co-founders handed over daily management of the firm to five partners.^[2][4]

In 2015, the firm acquired Alydar Capital.^[11] It now operates as the public equity investment arm of Summit Partners.

Summit Partners is headquartered in Boston with additional offices in Menlo Park, London and Luxembourg.^{[1][2][3][8][5]}

Summit Partners has three main business lines, which are:^[1][5]

• Growth & Venture
• Credit
• Public Equity

The firm typically invests in later-stage companies that have already been established with the objective of providing further growth.^[1] Its private equity investments typically range from $30 million to $500 million each, while its venture capital investments range from $5 million to $30 million each.^[1] The firm also provides debt financing as well as public equities' investment services.^[1]

Notable investments made by Summit Partners include Uber,^[12] McAfee, Avast,^[13] Infor,^[14] Flow Traders,^[15] and Arista Networks.^[16]