
Thomas H. Lee Partners
Boston-based private equity firm focused on growth buyouts in middle-market healthcare, financial technology, and technology companies.
Boston, United States · 86+ investments · 188 portfolio companies
- Headquarters
- Boston, United States
- Founded
- 1974
- Website
- thl.com
- AUM
- $50.0B
- Portfolio Companies
- 188
- Total Investments
- 86
- Last Investment
- Apr 2026
- Geographic Focus
- United States
Indexed holds 188 portfolio companies and 86 funding rounds for this investor. The full record is or through the API.
Investment Thesis
Thomas H. Lee Partners is a Private Equity firm based in Boston, United States. It has made 86 investments, including Wyndham International, Systems Maintenance Services and Miller Import. Focus areas include Fintech and Healthcare.
Portfolio188
Showing 48 of 188 recorded portfolio companies.







Co-investors24
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24 co-investors across 51 shared portfolio companies — who they back alongside, and how often they lead.
Private Equity ×9 · Venture Capital ×9 · Other ×1 · 41 shared rounds
Investment History
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