Summit Partners
Summit Partners
About
Summit Partners is a leading growth-focused alternative investment firm founded in 1984. They partner with profitable, category-leading companies and their leadership teams, providing capital and resources to drive profitable growth and build lasting value. Their investment strategy spans technology, healthcare & life sciences, and growth products & services sectors.
Key facts
- Website
- summitpartners.com
- Headquarters
- Boston, USA
- Portfolio companies
- 63
- Stages
- Growth EquityPEPrivate EquitySeedSeries F
- Cheque size
- $20M to $300M
- Sector focus
- TechnologyHealthcare & Life SciencesGrowth Products & ServicesSoftwareCybersecurity
Recent investments
- $40M22 Oct 2026Strategic Growth InvestmentCognitive Credit
- $1.0B7 Jul 2026
- Undisclosed16 Mar 2026GrowthTradingHub
- Undisclosed13 Mar 2026Undisclosed roundTradingHub
- $122M25 Feb 2026GrowthStay22
- $10M2 Dec 2024SeedAnswers
- $125M12 Jun 2024Series CCelcoin
- $30M19 Dec 2022Undisclosed roundImagenAI
- $135M15 Mar 2022Series DAkeneo
- $300M1 Jan 2022Series BStackAdapt
| Date | Company | Round | Amount |
|---|---|---|---|
| 22 Oct 2026 | Cognitive Credit | Strategic Growth Investment | $40M |
| 7 Jul 2026 | KEYFACTOR | Funding Round | $1.0B |
| 16 Mar 2026 | TradingHub | Growth | Undisclosed |
| 13 Mar 2026 | TradingHub | Undisclosed round | Undisclosed |
| 25 Feb 2026 | Stay22 | Growth | $122M |
| 2 Dec 2024 | Answers | Seed | $10M |
| 12 Jun 2024 | Celcoin | Series C | $125M |
| 19 Dec 2022 | ImagenAI | Undisclosed round | $30M |
| 15 Mar 2022 | Akeneo | Series D | $135M |
| 1 Jan 2022 | StackAdapt | Series B | $300M |
Scores
Measured, not editorial
Ahrefs DR
Measured by Ahrefs
Strength of the site’s backlink profile, on Ahrefs’ 0-100 Domain Rating scale. Licensed third-party data, not our opinion.67/100
Above median
Median 44Check any domain free
API & MCP Security
Measured by StartupHub.ai
What this company’s API or MCP server gives an anonymous stranger: transport, whether anything answers without credentials, CORS, response headers and, when an MCP server replies, which of its tools can be called with no key. Scanned live, on request, because a security verdict months old is worse than none.Test your Ahrefs DR
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Frequently asked
What companies has Summit Partners invested in?
Summit Partners has invested in Cognitive Credit, KEYFACTOR, TradingHub, Stay22, Answers and 58 more.
SEC filings, insider activity, nonprofit links and pay benchmarks for Summit Partners:
