New Mountain Capital

Defensive-growth-focused mid-cap PE firm

Growth/PE Buyout/Growth 📍 New York, NY Founded 1999

AUM

$55B

as of 2026-Q1

LARGE

New Mountain Capital was founded in 1999 by Steve Klinsky. Defensive-growth philosophy focused on resilient mid-cap businesses.

Firm Profile

Firm Type

Growth/PE

Subtype

Buyout/Growth

Founded

1999

New York, NY

Country

USA

Steve Klinsky

jli-informationaoc-resins

Stages

Buyout · Growth · Credit

Sectors

Healthcare · Software · Information Services · Business Services

Growth/PEMid-Cap PEDefensive Growth

Investor data reflects publicly disclosed AUM, fund sizes, and portfolio holdings as of 2026-Q1. Refreshed periodically.