Amentum Holdings AMTM
NYSE AMTM
$18.28 +0.14 (+0.74%)
As of: Sep 30, 2026 · 3:40 PM EDT

Amentum Holdings (AMTM) Market Capitalization (2024 - 2026)

Updated

Amentum Holdings' Market Capitalization came in at $5.19 billion for fiscal Q3 2026 (quarter ended Jul 3, 2026), down 9.1% from $5.71 billion a year earlier and down 21.4% from the prior quarter.

Analysis

Amentum Holdings (AMTM) Market Capitalization (2024 - 2026) Analysis & Trends

For FY2025 (ended Oct 3, 2025), Amentum Holdings' Market Capitalization was $6.32 billion, up 170.5% from FY2024.

  • Going back by fiscal year, Market Capitalization was $2.34 billion in FY2024.
  • The fiscal Q3 2026 figure represents the lowest quarterly Market Capitalization since fiscal Q2 2025.
  • Year-over-year, Market Capitalization increased in three of the last four quarters, with growth averaging 65.2%.
  • Business Quant data shows AMTM's Market Capitalization at $6.6 billion (Q2 2026), $7.43 billion (Q1 2026) and $6.32 billion (Q4 2025) in the three fiscal quarters before Q3 2026.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 General Electric 330.06 Bn 284.06 Bn 4.68 Bn
2 Rtx 252.10 Bn 225.31 Bn 5.13 Bn
3 Boeing 148.40 Bn 55.10 Bn 2.41 Bn
4 Lockheed Martin 118.20 Bn 104.92 Bn 2.45 Bn
5 Howmet Aerospace 92.39 Bn 87.99 Bn 951.00 Mn
6 General Dynamics 89.92 Bn 77.03 Bn 2.18 Bn
7 Motorola Solutions 73.84 Bn 70.20 Bn 1.68 Bn
8 Northrop Grumman 71.73 Bn 60.97 Bn 2.12 Bn
9 Honeywell International 66.60 Bn 19.04 Bn 3.65 Bn
10 Amentum Holdings 4.43 Bn 2.96 Bn 360.00 Mn
Historic Data

Historic Data

Download Data
DateValue
Jul 3, 2026 5.19 Bn
Apr 3, 2026 6.60 Bn
Jan 2, 2026 7.43 Bn
Oct 3, 2025 6.32 Bn
Jun 27, 2025 5.71 Bn
Mar 28, 2025 4.40 Bn
Dec 27, 2024 4.98 Bn
Sep 27, 2024 2.34 Bn
API Access

Amentum Holdings Market Capitalization API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=market-capitalization&ticker=AMTM&period=max&api_key=YOUR_API_KEY