What does Thomas H. Lee Partners invest in?
Thomas H. Lee Partners invests most often at Series B and Series D (100% of the rounds on record), in sectors such as Financial Services, Healthcare and Technology.

United States · Investor
Last cheque observed Mar 2015. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.
Private equityQuiet
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2 rounds on record
Mostly Series B and Series D: 100% of its rounds
1 exits from the portfolio
THL Private EquityFrom their own website
Every round we can evidence, newest first2 appearances
1 round
1 round
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Named by the firm itself, on a filing, its Form ADV or its company registration8 named
We also hold 33 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
From the firm's own filings with the SEC, which it must file accurately by law
Funds on its Form ADV
20 private funds, $14B in gross assets · filed Oct 2024
And 10 more on the filing.
Who backs their funds
The institutions that put money into its funds, which the firm then invests in companies.Source: the pension's own report, latest Jun 2026.
| Fund | Vintage | Committed |
|---|---|---|
| Thomas H. Lee Equity Fund X | 2024 | $150M |
| Thomas H. Lee Equity Fund IX | 2021 | $150M |
| Thomas H. Lee Equity Fund VIII | 2018 | $150M |
| Thomas H. Lee Equity Fund VII | 2015 | $100M |
Companies it backed that were later bought or listed1 in all
An exit counts when it came after the firm's first round in the company. From historical deal records.
Acquisitions by the firm itself
Thomas H. Lee Partners invests most often at Series B and Series D (100% of the rounds on record), in sectors such as Financial Services, Healthcare and Technology.
2 investments on record, 0 of them in the last 12 months. The most recent was in Mar 2015.
The median round it joins is $41M.
No investments in the last 12 months; the latest was in Mar 2015.
Thomas H. Lee Partners is a private equity firm based in Boston, United States.
About $21B, as regulatory assets under management (Oct 2026).
From public registers and its own website, checked and rebuilt every night.
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it