PE Firm · Capital Allocator

American Securities

Medium
New York City, United States · Founded 1947 · AUM $26 billion · Website
Leveraged BuyoutPrivate Equity FundsCreditDistressed (via Ascribe Capital)Industrial ManufacturingSpecialty ChemicalsAerospace and DefenseEnergyBusiness ServicesHealthcareMediaRestaurantsConsumer ProductsNorth AmericaShanghai
Last verified
7/8/2026

Firm Overview

25
Portfolio tracked
9
Sectors
2
Regions
7/8/2026
Last verified

American Securities LLC is a prominent U.S. private equity firm that invests in market-leading North American companies.

American Securities LLC traces its origins to a family office founded in 1947 by William Rosenwald, whose wealth was derived from Sears, Roebuck and Co. In 1994, under the leadership of Michael G. Fisch, the firm opened its first investment fund to outside investors. The firm renamed itself from American Securities Capital Partners to American Securities LLC in 2009.

The firm typically targets companies with annual revenues between $200 million and $2 billion and EBITDA ranging from $50 million to $250 million. In addition to its primary private equity activities, American Securities operates an affiliate called Ascribe Capital, which focuses on managing capital for debt and equity investments in middle-market companies.

Throughout its history, the firm has been an active investor in diversified industries, including market leaders in the industrial and consumer sectors. As of 2021, the firm had invested in over 67 companies across various sectors, maintaining a significant presence in the North American private equity landscape.

Founded1947
HeadquartersNew York City, United States
AUM$26 billion
Target investment$200 million to $2 billion in revenue; $50 million to $250 million of EBITDA
Employees109,900 collective portfolio employees
StrategiesLeveraged Buyout, Private Equity Funds, Credit, Distressed (via Ascribe Capital)
Sector focusIndustrial Manufacturing, Specialty Chemicals, Aerospace and Defense, Energy, Business Services, Healthcare, Media, Restaurants, Consumer Products
Geographic focusNorth America, Shanghai

Leadership

William Rosenwald
Founder
The son of former Sears CEO Julius Rosenwald, he founded American Securities in 1947 as a family office.
Michael G. Fisch
Director and CEO
Fisch joined in 1993 as a financial advisor and led the firm's transition to a private equity fund model as Director and CEO in 1994.

Notable Investments

Air MethodsAspen DentalBlue BirdConairGlobal Tel Link (GTL)Learning Care GroupPotbelly Sandwich WorksEl Pollo LocoWestern UnionAmetek

Historical and current deals referenced in public sources.

Portfolio Companies

Sources

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

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