Profile

Summit Partners is a leading growth-focused alternative investment firm. For over 40 years, Summit has partnered with profitable, category-leading companies and their leadership teams seeking to build best-in-class businesses by leveraging its deep industry expertise and its Peak Performance Group value enhancement platform. With over 80 growth equity investment professionals in offices across North America and Europe, Summit has invested in more than 550 companies in the technology, healthcare, financial services, business services and consumer sectors. Visit www.summitpartners.com to learn more.

Awards

2026 Top Healthcare Investors

2025 Top Private Equity Firms, Top Women Leaders, Top Healthcare Investors, Top Software Investors, Top 40 Under 40 Growth Investors, Top Growth Equity Firms

2024 Top Growth Equity Firms, Top 40 Under 40 Growth Investors, Top Software Investors, Top Private Equity Firms, Top Women Leaders, Top Healthcare Investors

2023 Top Growth Equity Firms, Top 40 Under 40 Growth Investors, Top Software Investors, Top Private Equity Firms, Top Women Leaders, Top Healthcare Investors, Best Growth Investment Firms

2022 Top Women Leaders

2021 Top Growth Equity Firms, Top Private Equity Firms, Top Growth Equity Firms

2020 Top Growth Equity Firms, Top 40 Under 40 Growth Investors, Top Software Investors, Top Women in Growth Equity and Private Equity

2019 Top Software Investors

2017 Top 40 Under 40 Growth Investors

2016 Top 40 Under 40 Growth Investors

2014 Top Pioneers of Growth Equity, Top 40 Under 40 Growth Investors, Top Growth Equity Investors

2013 Top Growth Equity Investors

Features

Summit Partners recognized as Growth Investment Firm of the Year

Summit Partners was recognized as Growth Investment Firm of the Year at the 2024 NYC Awards Night, reflecting its long-standing leadership in growth investing and track record of investing in over 550 companies with more than $32 billion deployed.

A Timely Investment: Summit Partners’ Investment in Fundraise Up

Fundraise Up responded to confusion caused by the federal grant freeze by supporting nonprofits with digital fundraising tools and guidance, alongside its recent $70 million growth investment led by Summit Partners.

Articles

A Timely Investment: Summit Partners’ Investment in Fundraise Up

The recent federal grant freeze has caused confusion for non-profit organizations that rely on government aid to stay afloat. For Fundraise Up – a software company dedicated to helping non-profits worldwide both survive and thrive – it was time to spring into action (Read).

Key People

Peter Chung, Chief Executive Officer and Managing Director 

Peter joined Summit Partners in 1994 and currently serves as the Chief Executive Officer of the firm. During his tenure at Summit, Peter has invested in more than 30 companies, including 18 currently or formerly publicly traded companies. His investment and board experience spans the technology sector and includes a number of innovative, industry leading companies, including Acacia Communications (NASDAQ: ACIA, later acquired by Cisco), AltoCom (acquired by Broadcom), Arista Networks (NASDAQ: ANET), E-TEK Dynamics (NASDAQ: ETEK, later merged with JDS Uniphase), Finisar (NASDAQ: FNSR, later acquired by II-VI), GoldenGate Software (acquired by Oracle Corporation), MACOM (NASDAQ: MTSI), and Ubiquiti, Inc. (NYSE: UI). Peter holds an AB in economics, magna cum laude, from Harvard University and an MBA from the Stanford University Graduate School of Business.

Scott Collins, Chief Operating Officer and Managing Director 

Scott joined Summit Partners in 1996 and currently serves as the Chief Operating Officer of the firm. During his tenure at Summit, Scott has invested in, and served as a board director for, more than 30 companies. In 2001, he founded the firm’s London office, which he managed through 2016. Scott’s investment and board experience spans the technology sector and includes a number of innovative, industry leading companies, including 360T Group (acquired by Deutsche Börse), Acturis Limited (acquired by Astorg), Avast (LON: AVST), Calypso Technology (acquired by Thoma Bravo), Hittite Microwave Corporation (NASDAQ: HITT, later acquired by Analog Devices), Multifonds (acquired by Temenos), Ogone (acquired by Ingenico), PrismHR (acquired by Vensure Employer Services), SafeBoot (acquired by McAfee), Signavio (acquired by SAP) and Veepee. Scott holds an AB in economics, magna cum laude, from Harvard University and a JD, cum laude, from Harvard Law School. 

Key Investments

Acacia Communications: Invested 2013, IPO 2016 (later acquired by Cisco)
Sector: Communications Technology

Acacia Communications is a leading provider of high-speed coherent optical interconnect products.

Avast: Invested 2010, IPO 2018 (later acquired by NortonLifeLock)
Sector: Software

Avast is a global leader in digital security and privacy products.

Calypso: Invested 2016, Acquired by Thoma Bravo 2021
Sector: Software, Financial Technology 

Calypso is a global provider of capital markets software. 

Darktrace: Invested in 2015, IPO 2021 (later acquired by Thoma Bravo)
Sector: Cybersecurity, Software

Darktrace is a global leader in cybersecurity artificial intelligence.

EngageSmart: Invested 2015, IPO 2021 (later acquired by Vista Equity Partners)
Sector: Software, Financial Technology

EngageSmart provides SaaS-based solutions designed to simplify client engagement. 

E-TEK Dynamics: Invested 1997, IPO 1998, Acquired by JDS Uniphase 2000
Sector: Communications Technology

E-TEK Dynamics designs and manufactures quality fiber-optic components that enable next-generation optical networks.

FleetCor Technologies: Invested 2002, IPO 2010 (NYSE: FLT)
Sector: Financial Technology & Services, Business Services

FleetCor Technologies is a leading global business payments company .

Flow Traders: Invested 2008, IPO 2015 (AMS: FLOW)
Sectors: Financial Technology 

Flow Traders is a leading electronic ETP liquidity provider focused on high-growth asset classes.

Focus Financial Partners: Invested 2006, Acquired by KKR and Stone Point Capital 2017
Sector: Financial Services, Business Services

Focus Financial Partners is a leading partnership of independent, fiduciary wealth management firms.

HealthSun Health Plans: Invested 2016, Acquired by Anthem 2017
Sector: Healthcare 

HealthSun Health Plans is one of the fastest-growing integrated Medicare Advantage health plans and care delivery networks in Florida.

Integrated DNA Technologies: Invested 2014, Acquired by Danaher in 2018
Sector: Life Sciences

Integrated DNA Technologies (IDT) develops nucleic acid products for the life sciences industry in the areas of academic research, biotechnology, agriculture, medical diagnostics, and pharmaceutical development.

LifeStance Health: Invested 2017, IPO 2021 (NASDAQ: LFST), current portfolio company
Sector: Healthcare

LifeStance Health is one of the largest providers of virtual and in-person outpatient mental health care in the United States, serving children, adolescents and adults experiencing a variety of mental health conditions.

MDVIP: Invested 2014, Acquired by Goldman Sachs and Charlesbank Capital 2021
Sector: Healthcare

MDVIP is a U.S. leader in affordable personalized healthcare.

Ogone: Invested 2010, Acquired by Ingenico 2013
Sector: Financial Technology, Business Services

Ogone is a European online payment service provider, delivering fully integrated solutions for managing electronic payments in several domains.

Redzone: Invested 2020, Acquired by QAD 2023
Sector: Software, Industrial Technology

Redzone provides a connected worker platform designed to optimize productivity, safety and quality on the plant floor. 

Ubiquiti: Invested 2010, IPO 2011 (NYSE: UI)
Sector: Communications Technology

Ubiquiti develops technology platforms for high-capacity distributed Internet access, unified information technology, and consumer electronics for professional, home and personal use.

Viroclinics-DDL: Invested 2019, Acquired by Cerba Healthcare 2022
Sector: Life Sciences

Viroclinics-DDL is a leading specialty contract research organization, serving the biopharmaceutical community with a broad range of non-clinical research, clinical diagnostic, assay development, laboratory, and clinical trial logistic services.

Capital Responsibility

Summit’s approach to responsible investing is focused in three key areas that it believes are critical components of a growth-focused investment approach: effective corporate governance, proactive risk management, and a commitment to human capital development. The firm believes responsible investing (“RI”) practices lead to stronger, more productive growth of its business and portfolio companies, and its RI program is focused on incorporating each of these principles into its investment and operational processes.