Amentum Holdings (AMTM) Market Capitalization (2024 - 2026)
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.
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 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
| Date | Value |
|---|---|
| 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 |
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
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "AMTM", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=AMTM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();