New Mountain Capital

PE / buyout · New York, New York

Founded in 1999, New Mountain Capital is a private equity firm based in New York. 10 portfolio companies and 47 funds are on record.

AUM
$60.0B
Portfolio companies
10
Recorded deals
1
Last investment
—

New Mountain Capital key facts

  • New Mountain Capital is a private equity firm based in New York, New York with 10 tracked portfolio companies.
  • Notable positions include Datavant, Office Ally, FireBird Energy II.
  • New Mountain Capital has 47 funds on record, raising $66.9B across the 32 that report a size.
  • The team roster lists 191 people.
  • New Mountain Capital reports $2.9B in regulatory assets under management across 14 private funds, per its SEC Form ADV (2026-03).

About New Mountain Capital

Founded in 1999, New Mountain Capital is a private equity firm based in New York. The firm seeks to invest in companies operating in advanced materials/niche product technologies, technology-enabled business services, financial services, defensive growth consumer/ products, infrastructure services, information & data, and human capital management across the United States. This firm is a Registered Investment Adviser (RIA).

Investment focus

Its SEC Form ADV lists $2.9 billion in regulatory assets under management across 14 private funds (Mar 2026).

New Mountain Capital portfolio at a glance

10 portfolio companies are on record for New Mountain Capital, including Datavant, Office Ally and FireBird Energy II.

5 of the 10 carry a recorded valuation.

New Mountain Capital funds

47 funds are on record for New Mountain Capital, totalling $66.9 billion across the 32 that report a size. The most recent is New Mountain WCO Rollover Fund, L.P. (2026 vintage).

New Mountain Capital team

191 people are on record at New Mountain Capital: 42 associates, 39 managing partners, 27 partners, 23 advisors and 60 others. Senior names include Adam Weinstein (Chief Financial Officer), Alberto Delgado (Head) and Andre Moura (Managing Director). 189 of them have a verified direct contact on file.

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New Mountain Capital at the SEC

Form ADV · 2026-03 · CRD 161394
Regulatory AUM
$2.9B
Private fund assets
$31.2B
Private funds
14 · 14 private equity
Staff
235
Registered office
NEW YORK, NY
SEC status
Approved

Reports custody of client assets.

Source: SEC Investment Adviser Public Disclosure, Form ADV (registered as NEW MOUNTAIN CAPITAL, L.L.C.).

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Portfolio

10 companies · priced for members
CompanyValuationRole
Datavant▮▮
Office Ally▮▮
FireBird Energy II▮▮
+ 7 more companies · all 10, priced and dated
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Funds

6 of 47 recorded
  • New Mountain WCO Rollover Fund, L.P.2026—
  • New Mountain WCO Continuation Fund (Parallel Fund), L.P.2026—
  • New Mountain Atlas I, L.P.2026—
  • New Mountain WCO Continuation Fund, L.P.2026—
  • New Mountain WCO Continuation Feeder, L.P.2026—
  • New Mountain Net Lease Partners III, L.P.2026—

$66.9B raised across the 32 funds that report a size

All 47 funds →
Team
191 people on record — 189 with verified contacts

Partners, principals, and the people who answer a pitch. Pro members reveal contacts with credits.

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Frequently asked about New Mountain Capital

What companies does New Mountain Capital invest in?
New Mountain Capital has 10 recorded portfolio companies, including Datavant, Office Ally, FireBird Energy II.
What is New Mountain Capital's AUM?
New Mountain Capital manages approximately $60.0B in assets.