Thomas H. Lee Partners

Private Equity

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

Growth
Late Stage
Fintech
Healthcare
SaaS
Financial Technology
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

Partners with middle-market growth companies in healthcare, financial technology, and technology sectors, deploying operational expertise alongside capital to drive scale and value creation.

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.

WI
Wyndham International
Systems Maintenance Services
Miller Import
SC
Syratech Corporation
TA
Tucker Anthony Sutro
SF
Sterling Financial Corporation
Intelligent Medical Objects
PB
Panache Broadcasting
Fisher Scientific International
T
Tibbar
Petco Animal Supplies
Office Depot
iHeartMedia
Kinexon
Fogo de Chão
CARET
LR
LaSalle Re Limited
Dun & Bradstreet
Stanley Furniture Company
HE
Hawkeye Energy
BH
Bargain Hunt
Aramark Corporation
Safelite Glass
AutoStore
Insurance Technologies
P
ProcureNet
LC
LiveWire Corporation
PM
Progressive Moulded Products
Headlands Research
Ten-x
Umpqua Holdings Corporation
E
EquiCredit
MoneyGram International
Carpe Data
YA
Fortna
Juvare
General Nutrition Centers
Nortek
CSafe Global
System One
FE
Finlay Enterprises
Fairpoint Communications
EI
Experian Information Solutions
Perseus Oil
CTI Foods
Nielsen
T
Thermoscan

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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