Operating Margin: 3.65%
Is the operating margin high or low?
The operating margin of 3.65% is 14% below its 3-year average of 4.23%, around the middle of its 3-year range (0.64%–6.60%).
As of Thursday, June 25, 2026. 1.60% below its 12-month average of 3.71%.
AMTM Operating Margin
Reported quarterly operating margin; no daily interpolation.
AMTM Average Operating Margin Chart
AMTM Current vs Average Operating Margin Chart
AMTM Operating Margin Metrics
OPERATING MARGIN
3.65%
OPERATING MARGIN AVG TTM
3.71%
OPERATING MARGIN AVG 3Y
4.35%
OPERATING MARGIN AVG 5Y
N/A
OPERATING MARGIN AVG 10Y
N/A
OPERATING MARGIN AVG 15Y
N/A
OPERATING MARGIN AVG 20Y
N/A
CURRENT VS TTM AVG
-1.60%
CURRENT VS 3Y AVG
-15.98%
CURRENT VS 5Y AVG
N/A
CURRENT VS 10Y AVG
N/A
CURRENT VS 15Y AVG
N/A
CURRENT VS 20Y AVG
N/A
AMTM Competitors' Operating Margin
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Amentum Holdings, Inc. (AMTM) | $4.90B | 3.65% | 3.71% | 4.35% | N/A |
| Primoris Services Corporation (PRIM)vs › | $5.17B | 4.96% | 5.22% | 4.83% | 4.81% |
| Griffon Corporation (GFF)vs › | $4.40B | 8.32% | 11.68% | 6.02% | 6.39% |
| KBR, Inc. (KBR)vs › | $4.09B | 9.26% | 7.93% | 7.43% | 6.13% |
| Matson, Inc. (MATX)vs › | $5.93B | 13.50% | 15.05% | 17.59% | 18.31% |
| AeroVironment, Inc. (AVAV)vs › | $6.85B | -6.10% | 7.49% | -5.07% | 0.59% |
| Trinity Industries, Inc. (TRN)vs › | $2.89B | 16.59% | 16.29% | 15.86% | 11.92% |
| Arcosa, Inc. (ACA)vs › | $7.08B | 11.81% | 9.75% | 10.74% | 9.35% |
| Booz Allen Hamilton Holding Corporation (BAH)vs › | $7.24B | 9.21% | 10.59% | 8.88% | 8.88% |
| Werner Enterprises, Inc. (WERN)vs › | $2.52B | 2.14% | 2.27% | 4.93% | 6.77% |
Operating Efficiency
Gross Margin
7.9%
Operating Margin
3.7%
Operating Margin Formula & Definition
Operating Margin = Operating Income / Revenue
Operating margin is the percentage of revenue remaining after operating expenses, reflecting operating efficiency.
Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute
Operating Margin FAQ
- What is the operating margin for Amentum Holdings, Inc. (AMTM)?
- The operating margin for AMTM stock is 3.65%.
- Is Amentum Holdings, Inc.'s operating margin high or low?
- The operating margin of 3.65% is 14% below its 3-year average of 4.23%, around the middle of its 3-year range (0.64%–6.60%).
- What is the TTM average operating margin for Amentum Holdings, Inc. (AMTM)?
- The TTM average operating margin for AMTM stock is 3.71%.
- What is the 3Y average operating margin for Amentum Holdings, Inc. (AMTM)?
- The 3Y average operating margin for AMTM stock is 4.35%.
AMTM Operating Margin History
| DATE | OPERATING MARGIN |
|---|---|
| 2026-04-03 | 3.65% |
| 2026-01-02 | 4.26% |
| 2025-10-03 | 3.64% |
| 2025-06-27 | 3.29% |
| 2025-03-28 | 3.52% |
| 2024-12-27 | 3.51% |
| 2024-09-27 | 0.64% |
| 2024-06-30 | 4.15% |
| 2024-03-31 | 6.39% |
| 2023-12-31 | 6.46% |
| 2023-09-30 | 6.60% |
| 2023-06-30 | 2.33% |
| 2023-03-31 | 5.10% |
| 2022-12-30 | 5.65% |
About Amentum Holdings, Inc.
Amentum Holdings, Inc. is a provider of critical, technology-driven services, serving both governmental and commercial sectors. Its operations are structured around two distinct segments: Critical Mission Solutions and Cyber & Intelligence. The Critical Mission Solutions (CMS) segment delivers comprehensive support across various domains. This includes testing, training, and operational oversight for advanced missile defense systems. It also furnishes IT and engineering expertise to both defense organizations and the burgeoning space sector. Moreover, CMS offers technological solutions to energy clients, encompassing installation, decommissioning, and vital environmental remediation efforts, in addition to specialized technical consulting services. Meanwhile, the Cyber & Intelligence (C&I) segment focuses on advanced cyber training and sophisticated data analytics for government professionals. It also deploys cutting-edge communication systems and aerial mapping technologies for national security applications, alongside other specialized technical support for U.S. defense and intelligence agencies. Established on November 26, 2019, the company maintains its corporate headquarters in Chantilly, VA.
- Sector
- Industrials
- Industry
- Aerospace & Defense
- CEO
- John E. Heller