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American Securities LLC

CIK:0001475483
Private Equity
$29B AUM
1 holdings
New York, NY, United States
Founded:1994
150 employees
Latest filing:Jun 30, 2025

American Securities LLC is a leading U.S. private equity firm headquartered in New York, NY. Established from its origins as a family office in 1947 and restructured into a private equity firm in 1994, it is recognized for investing in market-leading North American companies, generally with revenue between $200 million and $2 billion. The firm manages approximately $29 billion in assets, employs over 150 professionals, and supports management teams to optimize growth, strategy, and operational efficiency in their portfolio companies, serving institutional investors globally.

Investment Strategy

American Securities primarily employs a partnership-driven, long-term, value-oriented buyout strategy, focusing on mid-to-large cap North American companies across diversified sectors. The firm works closely with existing management teams to boost revenue growth, improve supply chains, execute M&A, and implement transformative operational improvements. Its philosophy emphasizes values-based investing and responsible stewardship, with ongoing integration of ESG (Environmental, Social, and Governance) principles into the investment lifecycle. American Securities is a signatory to the UN PRI, systematically embedding ESG assessment, reporting, and improvement projects into its portfolio oversight.

Top Buys
A
AMTMAmentum Holdings, Inc.
+$264.21B
Top Sells
A
AMTMAmentum Holdings, Inc.
+$264.21B

Top Holdings

A
AMTMAmentum Holdings, Inc.
+100.0%$1063.08B

Equity Positions (1)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
A
AMTM
Amentum Holdings, Inc.100.00%$1063.08B45,026,743$21.09$23.61+$264.21B

Industry Allocation

SERVICES-BUSINESS SERVICES, NEC
+100.0%