PE Firm · Capital Allocator

New Mountain Capital

Medium
New York City, USA · Founded 1999 · AUM $55 billion · Website
Growth EquityPrivate EquityCredit旋Net Lease旋Noncontrolling StakesHealthcareSupply ChainSpecialized ChemicalsAccountingProfessional ServicesNorth AmericaEuropeAsia
Last verified
7/7/2026

Firm Overview

120
Portfolio tracked
5
Sectors
3
Regions
7/7/2026
Last verified

New Mountain Capital is an American alternative investment firm that focuses on growth investing in mid-sized companies within economically acyclical industries.

Founded in 1999 by Steven Klinsky, New Mountain Capital was established to pursue a different approach to private equity by avoiding the high levels of leverage typical of its peers. The firm focuses on building mid-sized companies in predictable, acyclical industries, often targeting family-owned businesses that have not yet expanded internationally or through acquisitions. In 2018, Blackstone Inc. acquired a minority 9% stake in the firm.

The firm's investment process involves an annual gathering of its investment team to debate and identify attractive sectors based on long-term economic shifts. This proactive strategy has allowed the firm to achieve significant windfall gains and return more capital than it has invested. As of 2024, the firm is ranked among the world's largest private equity firms by Private Equity International.

Beyond its flagship private equity business, New Mountain has expanded into credit, net lease, and wealth solutions. In early 2025, the firm launched New Mountain Wealth Solutions to support Registered Investment Advisors (RIAs) and their customers, backed by a dedicated team and the firm's broader pool of investment professionals.

Founded1999
HeadquartersNew York City, USA
AUM$55 billion
Target investmentMid-sized companies
Employees195
StrategiesGrowth Equity, Private Equity, Credit旋, Net Lease旋, Noncontrolling Stakes
Sector focusHealthcare, Supply Chain, Specialized Chemicals, Accounting, Professional Services
Geographic focusNorth America, Europe, Asia

Leadership

Steven Klinsky
Founder
Former partner at Forstmann Little & Company and co-founder of Goldman Sachs' leveraged buyout unit.
Raleigh Peters
Head of New Mountain Wealth Solutions
Industry veteran serving as the leader of the New Mountain Wealth Solutions platform launched in 2025.

Notable Investments

Blue YonderAvantorSignify HealthGrant Thornton LLPRedPrairie

Historical and current deals referenced in public sources.

Portfolio Companies

CompanySectorStatusWebsite
3ECurrentVisit ↗
3E (formerly Verisk 3E)CurrentVisit ↗
3E (Verisk 3E)CurrentVisit ↗
ABB Optical GroupCurrentVisit ↗
ACA ComplianceCurrentVisit ↗
ActylisCurrentVisit ↗
Alexander Mann SolutionsCurrentVisit ↗
Alexander Mann Solutions (AMS)CurrentVisit ↗
Alight SolutionsCurrentVisit ↗
ALKUCurrentVisit ↗
Alpine IntelCurrentVisit ↗
Alteon HealthCurrentVisit ↗
AmeritCurrentVisit ↗
AMS (Alexander Mann Solutions)CurrentVisit ↗
AmWINS GroupCurrentVisit ↗
ApptisCurrentVisit ↗
Apptis HoldingsCurrentVisit ↗
AscensusCurrentVisit ↗
AvantorCurrentVisit ↗
AzuriaCurrentVisit ↗
BeelineCurrentVisit ↗
Bellerophon TherapeuticsCurrentVisit ↗
Blue YonderCurrentVisit ↗
BMICurrentVisit ↗
BounteousCurrentVisit ↗
Camber CorporationCurrentVisit ↗
Careismatic BrandsCurrentVisit ↗
CircanaCurrentVisit ↗
Citrin CoopermanCurrentVisit ↗
Classic CollisionCurrentVisit ↗
CloudmedCurrentVisit ↗
Commonwealth AssociatesCurrentVisit ↗
ConnextionsCurrentVisit ↗
Connextions Inc.CurrentVisit ↗
ConsorCurrentVisit ↗
Convey Health SolutionsCurrentVisit ↗
Cumming GroupCurrentVisit ↗
CytelCurrentVisit ↗
DatassentialCurrentVisit ↗
Datavant (Ciox Health)CurrentVisit ↗
DeltekCurrentVisit ↗
Deltek Inc.CurrentVisit ↗
Diversified Foodservice SupplyCurrentVisit ↗
Diversified Foodservice Supply IncCurrentVisit ↗
DRB SystemsCurrentVisit ↗
EmidsCurrentVisit ↗
EmmesCurrentVisit ↗
EquianCurrentVisit ↗
EverBankCurrentVisit ↗
EverBank Financial CorpCurrentVisit ↗
FinviCurrentVisit ↗
GelestCurrentVisit ↗
Grant ThorntonCurrentVisit ↗
HomeXCurrentVisit ↗
Homrich Berg Wealth ManagementCurrentVisit ↗
Horizon ServicesCurrentVisit ↗
IkariaCurrentVisit ↗
Ikaria Inc.CurrentVisit ↗
ILC DoverCurrentVisit ↗
IMA Financial GroupCurrentVisit ↗
InmarCurrentVisit ↗
Inmar Inc.CurrentVisit ↗
LegendsCurrentVisit ↗
Lincoln InvestmentCurrentVisit ↗
Machinify / RawlingsCurrentVisit ↗
MAG AerospaceCurrentVisit ↗
MailSouthCurrentVisit ↗
MailSouth Inc.CurrentVisit ↗
Medical Specialties Distributors (MSD)CurrentVisit ↗
MSD (Medical Specialties Distributors)CurrentVisit ↗
National Medical Health Card Systems (NMHC RX)CurrentVisit ↗
NMHC RXCurrentVisit ↗
NovacoreCurrentVisit ↗
Office AllyCurrentVisit ↗
OneDigitalCurrentVisit ↗
Overland SolutionsCurrentVisit ↗
Overland Solutions Inc.CurrentVisit ↗
Paris RECurrentVisit ↗
Paris RE HoldingsCurrentVisit ↗
Paris RE Holdings Ltd.CurrentVisit ↗
Pearce ServicesCurrentVisit ↗
PerkinElmerCurrentVisit ↗
Personify Health (HealthComp)CurrentVisit ↗
Portage Point PartnersCurrentVisit ↗
Profile ProductsCurrentVisit ↗
Qualus Power ServicesCurrentVisit ↗
RadancyCurrentVisit ↗
Rawlings (Machinify)CurrentVisit ↗
Real ChemistryCurrentVisit ↗
RRCCurrentVisit ↗
SaluteCurrentVisit ↗
SAMCurrentVisit ↗
Signify HealthCurrentVisit ↗
Site 20/20CurrentVisit ↗
Smarter TechnologiesCurrentVisit ↗
SNL FinancialCurrentVisit ↗
Sonrava HealthCurrentVisit ↗
Sparta SystemsCurrentVisit ↗
Strayer EducationCurrentVisit ↗
Strayer Education Inc.CurrentVisit ↗
Stroz FriedbergCurrentVisit ↗
Stroz Friedberg Inc.CurrentVisit ↗
Summit Wash HoldingsCurrentVisit ↗
SurgisCurrentVisit ↗
Surgis Inc.CurrentVisit ↗
The Rawlings Group (Machinify)CurrentVisit ↗
TinuitiCurrentVisit ↗
Topix BrandsCurrentVisit ↗
TRC CompaniesCurrentVisit ↗
U.S. OceanCurrentVisit ↗
US OceanCurrentVisit ↗
Valet WasteCurrentVisit ↗
Validus HoldingsCurrentVisit ↗
Validus Holdings Ltd.CurrentVisit ↗
Vytalogy (Jarrow Formulas)CurrentVisit ↗
Vytalogy (Jarrow)CurrentVisit ↗
Wipfli AdvisoryCurrentVisit ↗
Wipfli Advisory LLCCurrentVisit ↗
ZepCurrentVisit ↗
Zep Inc.CurrentVisit ↗

Source: http://www.newmountaincapital.com/portfolio

Sources

This profile is based on publicly available information and may be incomplete or outdated. PE Firm Index is not affiliated with New Mountain Capital and does not provide investment advice.

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