Amentum Holdings, Inc.

AMTMNYSEIndustrials● Active

$23.07

+$0.27(+1.16%)

Market Cap$5.6B

P/E Ratio—

52W High$38.11

52W Low$21.11

Avg Volume2.0M

Open$22.68

Beta0.28

Free Cash Flow Financials Revenue

Amentum Holdings, Inc. (AMTM) Free Cash Flow & Analysis

Annual & trailing free cash flow, FCF margin, YoY change, valuation ratios, and peer context.

AMTM · free cash flow · updated Jun 8, 2026

Core FCF metrics

AMTM · FCF · TTM · margin & CAGR

Free cash flow was $516.0M for FY2025 (fiscal year ending 2025-10-03), up 1333.3% year-over-year The FCF margin was 3.6%.

FY2025 Free Cash Flow$516.0M▲ +1333.3% YoY

Trailing 12M (TTM)$450.0Mtrailing 4 quarters sum

FCF Margin3.6%$516.0M ÷ revenue

3-Year CAGR+68.4%FY2022 → FY2025

5-Year CAGRN/AN/A — contains negative FCF

FormulaFCF = Operating Cash Flow − Capital ExpendituresTTM = trailing 4 quarters sumCAGR → N/A if either endpoint ≤ 0

Source: FMP /cash-flow-statement · SEC 10-K / 10-Q · USDUpdated: Jun 8, 2026

Annual free cash flow history

FCF ($B, upper) · YoY Growth % (lower)

Positive FCFNegative FCF

Free Cash Flow

YoY Growth %

Annual free cash flow data

AMTM · free cash flow history · annual / quarterly

Fiscal YearOperating CFCapExFree Cash FlowYoY ChangeFCF Margin

FY2025Latest$543.0M(27M)$516.0M▲ +1333.3%3.6%

FY2024$47.0M(11M)$36.0M▼ 34.5%0.4%

FY2023$67.0M(12M)$55.0M▼ 49.1%0.7%

FY2022$126.0M(18M)$108.0M▼ 48.8%1.4%

FY2021$245.0M(34M)$211.0M—4.1%

FCF = Operating Cash Flow − Capital Expenditures · CapEx shown as (negative) · Source: SEC filings via FMP

FCF valuation metrics

AMTM · P/FCF · FCF yield · FCF per share

Amentum Holdings, Inc. (AMTM) trades at a FCF yield of 7.98% and a price-to-free-cash-flow ratio of 12.5x. FCF per share stands at $1.85, calculated using trailing twelve-month FCF divided by basic weighted-average shares outstanding.

FCF Yield (TTM)

7.98%

Free Cash Flow ÷ Market Cap

per FMP freeCashFlowYieldTTM definition

FCF per Share (TTM)

$1.85

TTM FCF ÷ Shares Outstanding

Price / FCF

x12.5

Share Price ÷ FCF per Share

EV / FCF (TTM)

x20.3

Enterprise Value basis

Source: FMP /key-metrics-ttm · /cash-flow-statement Q · /income-statementFY2025 · 2025-10-03

Cash flow statement summary

AMTM · cash flow statement · operating / investing / financing

For FY2025, Amentum Holdings, Inc. generated $543.0M in operating cash flow and spent 27M in capital expenditures, yielding $516.0M in free cash flow.

Operating Activities

+$543.0M

Cash from core business operations

2025-10-03

Investing Activities

+$228.0M

CapEx, acquisitions & investments

2025-10-03

Financing Activities

−$790.0M

Buybacks, dividends & debt

2025-10-03

FCF FormulaOperating CF ($543.0M) − |CapEx| (27M) = FCF ($516.0M)

For the complete Operating / Investing / Financing line-item breakdown:

View Full Cash Flow Statement →

Free cash flow vs peers (Industrials)

AMTM vs peers · FCF

#CompanyFree Cash FlowYoYFCF MarginRelative

Amentum Holdings, Inc.YOU

AMTM

$516.0M+1333.3%3.6%

Union Pacific Corporation

Industrials · Sorted by FCF · FMP /cash-flow-statementFull FCF Rankings →

About Free Cash Flow & Methodology

Amentum Holdings, Inc. (AMTM) reported free cash flow of $516.0M for FY2025 (fiscal year ending 2025-10-03), up 1333.3% year-over-year. The FCF margin was 3.6%.

Based on available data, Amentum Holdings, Inc. has maintained positive free cash flow for at least 5 fiscal year(s). FCF peaked at $516.0M in FY2025.

Amentum Holdings, Inc.'s FCF yield is 7.98% and price-to-FCF ratio is 12.5x for FY2025, based on the latest available data.

Data sourced from FMP /cash-flow-statement · SEC 10-K / 10-Q · USD.

Q&A and summaries align with SEC 10-K/10-Q cash flow disclosures and FMP /cash-flow-statement where noted.

Revenue Financial statements Net income Earnings Forecast Price history Market cap Cash on hand P/E ratio

Frequently asked questions

AMTM free cash flow · 8 questions

Amentum Holdings, Inc. free cash flow was $516.0M for FY2025, up 1333.3% year-over-year. On a trailing twelve-month (TTM) basis, free cash flow stands at $450.0M.

AMTM free cash flowAMTM FCFAMTM FCF 2025AMTM free cash flow TTM

▸ Source: FMP /cash-flow-statement · US GAAP · Amentum Holdings, Inc. · Amentum Holdings, Inc. SEC 10-K & 10-Q filings · US GAAP · Last updated: Jun 8, 2026