Invested in 45+ Companies


Initial Public Offerings




Acquisitions Completed by Portfolio Companies

Summit Partners Raises $8.35 Billion for Eleventh U.S. Growth Equity Fund

Latest flagship fund brings total capital raised to more than $10.5 billion since the start of 2020

Summit Partners Growth Equity Fund XI was significantly oversubscribed and closed at its hard cap with total commitments of $8.35 billion.



Initial Public Offerings

Six Summit-backed companies completed IPOs in 2021. We're proud to celebrate these important milestones and share their growth journeys below.

Summit Partners 2021 Year in Review - EngageSmart IPO

From Idea to IPO: Inside EngageSmart’s Quest to Simplify Customer and Client Management

Summit Partners 2021 Year in Review - Solo Brands IPO

Creating Great Moments: How Solo Brands Leverages the Power of Community

Summit Partners 2021 Year in Review - a.k.a. Brands IPO

a.k.a. Brands: Redefining Retail for the Next Generation

Summit Partners 2021 Year in Review - LifeStance Health IPO

LifeStance Health: Transforming the Mental Health Landscape

Summit Partners 2021 Year in Review - Darktrace IPO

Darktrace: Pioneering AI in the Cyber Security Space

Summit Partners 2021 Year in Review - Markforged IPO

Markforged: Print the Future You Imagine

Realization Events

Growth Company Frameworks 

Perspectives to help growth company leaders plan for and navigate the year ahead.

Human Capital Strategy

Why Your Growth Company Needs a Data Leader -- and How to Hire for the Role

Perspective on how and when to hire a data leader for your business and why you may need this capability sooner than you realize.

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Building Your Sales Organization: Key Sales Hires for 2022

How do you think more strategically about building your sales organization in the current environment?

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Upskilling and Diversifying the Technology Workforce

How innovative SaaS e-learning companies like ACG are working to close the technology skills gap while improving accessibility and diversity across the technology industry

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Growth Marketing and Revenue Optimization

The Marketing Order of Operations

The Upside of Capturing Demand, Then Generating It

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Transforming Your Company to a Subscription Business Model

What growth-stage companies can learn from those who have made the move

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Data Trends to Watch in 2022: The Evolution of Marketing Attribution

A focus on data privacy and consumer identity is fueling a need for marketing teams to rethink their approach to attribution.

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Summit News & Updates

Team news and industry recognition

Summit Partners Named to Inc.’s 2021 List of Founder-Friendly Investors

We’re honored to be named to Inc.’s 2021 List of Founder-Friendly Investors. The list recognizes firms with demonstrated experience collaborating with founder-led companies and providing the financial support and resources needed to help accelerate growth. The Founder-Friendly Investors list has established itself as one of Inc.’s most resourceful franchises and has become a go-to guide for entrepreneurs who want to grow their companies while retaining an ownership stake.

Summit Partners Named Top Private Equity Firm for Growth Companies

Summit Partners was named to GrowthCap’s 2021 Top 25 Private Equity Firms for Growth Companies list. Firms were selected based on their consistent ability to employ proprietary resources beyond financial capital to help their portfolio companies scale and create lasting value.

Sophia Popova Named to WSJ Pro PE’s 2021 Women to Watch List

Sophia Popova, a Principal on Summit’s global technology team, was named to WSJ Pro Private Equity’s 2021 Women to Watch List. Sophia was recognized for her investing acumen in the technology sector, where she has played an active role in five Summit investments since joining the firm in 2017, representing more than $600 million in invested capital. Her investment and board experience includes Klaviyo, Markforged (NYSE: MKFG), PrismHR, Sifted and Ylopo.

Steffan Peyer Named Rising Star of European Private Equity

Steffan Peyer, a Managing Director in Summit’s London office, was named one of the “2021 Rising Stars of Private Equity” by Financial News and Private Equity News.

Team Trustey Runs the Boston Marathon

Fourteen of our Summit Partners colleagues ran the Boston Marathon in October as part of Team Trustey. Together, Team Trustey raised more than $95,000 in support of several Boston-area non-profits.

Colin Mistele Named Rising Star by Venture Capital Journal

Colin Mistele, a Managing Director in Summit's Menlo Park office, was named to Venture Capital Journal's 2021 Rising Stars list.

Summit Partners 2021 Year in Review - Summit Partners Named Top Private Equity Firm for Growth Companies
Summit Partners 2021 Year in Review - Sophia Popova Named to Women to Watch List
Summit Partners 2021 Year in Review - Steffan Peyer Named Rising Star
Summit Partners 2021 Year in Review - Team Trustey Runs the Boston Marathon
Summit Partners 2021 Year in Review - Colin Mistele Named Rising Star by VCJ

For more than 37 years, Summit Partners has been committed to partnering with exceptional entrepreneurs to help them accelerate their growth and achieve dramatic results. Today, Summit manages more than $42 billion in capital and targets growth equity and fixed income investments of $10 million – $500 million per company. Since inception, Summit has invested in more than 550 companies across technology, healthcare, consumer, financial technology and services, and other growth sectors.