Amentum Holdings Inc's Competitiveness
A competitive positioning analysis and financial ratio benchmarking of Amentum Holdings Inc (AMTM) against its publicly traded competitors: sales growth, net income, profitability, valuation and market share, plus each peer's market capitalization, revenue, income and employees. Free below: the top 5 peers. Subscriber access adds the full competitor list and CSV downloads.
Key Findings: Amentum Holdings Inc vs Its Competitors
- TTM: Trailing 12-month revenue of 14,130M vs 322,438M combined for tracked competitors (4.2% combined share).
- Trending: Latest-quarter revenue run-rate is holding steady (-1.2% annualized vs trailing 12 months), vs accelerating (+5.0%) for its tracked peer group.
- Growth: Amentum Holdings Inc generated -2.0% revenue growth year over year in Q3 2026, vs 8.1% for its tracked competitors combined.
- Profitability: Its 1.9% net margin compares with 14.0% for the peer group.
- Scale: Amentum Holdings Inc ranks #40 of 168 companies by market capitalization in the Professional Services industry, holding 0.1% of industry market cap.
- Peer revenue share: Amentum Holdings Inc accounted for 4.0% of combined revenue among its tracked peer group, down from 4.4% a year earlier.
- Peer differentiation: Revenue per employee of $0.28M compares with $0.51M for the peer group (0.6x).
Every figure above is sourced and cited in detail further down this page (Market Structure, Profitability & Cost Structure, Productivity vs Peers).
AMTM Sales vs. its Competitors, Q3 2026
Amentum Holdings Inc reported revenue contraction of 1.99 % year on year in Q3 2026, below its competitors' combined revenue growth of 8.12 %.
With a net margin of 1.89 %, Amentum Holdings Inc reported lower profitability than its competitors (14.02 %).
Amentum Holdings Inc generated 3.96 % of the combined sales of its peer group, down from 4.35 % a year earlier.
Amentum Holdings Inc vs. its Competitors, Q3 2026
Revenue growth, year on year
Net margin
Revenue run-rate vs trailing 12 months
TTM net margin
TTM = trailing twelve months. Run-rate annualizes the latest quarter (×4) and compares it to TTM. In millions of $. High-Confidence Competitors are named as a competitor directly in an SEC filing; Similar-Size Competitors are the closest peers by market-cap rank within the same industry; Similar Growth & Profitability Competitors are the closest peers by combined revenue growth, operating margin and ROIC, all independent of the competitor list.
TTM revenue, latest-quarter run-rate and net income/margin benchmarked across Amentum Holdings Inc and its 4 competitor groupings. Available under Commercial License.
| Entity | TTM Revenue | Rev Run-rate vs TTM |
|---|---|---|
| Amentum Holdings Inc | $12,345M | +12.3% · Accelerating |
| Competitors combined | $12,345M | +12.3% · Accelerating |
| High-Confidence Competitors (13) | $12,345M | +12.3% · Accelerating |
| Similar-Size Competitors (7) | $12,345M | +12.3% · Accelerating |
| Similar Growth & Profitability (3) | $12,345M | +12.3% · Accelerating |
TTM revenue, run-rate and net margin benchmarking across Amentum Holdings Inc's competitor groups requires a Commercial License.
For context: the Professional Services industry grew revenue 6.8% year over year, combined, vs -2.0% for Amentum Holdings Inc. Amentum Holdings Inc's share of combined industry revenue moved from 0.67% to 0.61%, a loss of 0.05 percentage points.
Amentum Holdings Inc's Competitor Quality Breadth
Share of each group, trailing 12 months: profitable (net margin > 0), expanding (revenue growth > 0), growing faster than the industry's own median, and financially distressed (Piotroski F-Score of 2 or below).
| Entity | Profitable | Expanding | Above Industry Growth | Distressed |
|---|---|---|---|---|
| Amentum Holdings Inc | Yes | Yes | Yes | No |
| Competitors combined (17) | ||||
| High-Confidence Competitors (18) | ||||
| Similar-Size Competitors (9) | ||||
| Similar Growth & Profitability (8) | 75.00 % (6 of 8) | 100.00 % (8 of 8) | 100.00 % (8 of 8) | 12.50 % (1 of 8) |
Source: CSIMarket API, trailing 12 months. Altman Z-Score is not shown here: it is not populated in the underlying data for any company. Percentages are of companies in each group that report the relevant metric, not of the full group size.
AMTM Stock Performance relative to its Competitors
AMTM Stock Performance relative to High-Confidence Competitors
AMTM Stock Performance relative to Similar-Size Competitors
AMTM Stock Performance relative to Similar Growth & Profitability Competitors
5 Best-Performing Tracked Competitors, Trailing 12 Months
| # | Competitor | TTM Share Price Return | vs U.S.A. 500 |
|---|---|---|---|
| 1 | V2x Inc | 282.9% | Outperformed |
| 2 | Science applications International corporation | 282.9% | Outperformed |
| 3 | Caci International Inc | 282.9% | Outperformed |
| 4 | Fluor Corporation | 282.9% | Outperformed |
| 5 | Rtx Corporation | 282.9% | Outperformed |
TTM share price return and U.S.A. 500 outperformance for Amentum Holdings Inc's best-performing tracked competitors requires a Commercial License.
Source: CSIMarket API, trailing 12 months.
Amentum Holdings Inc's Comment on Competition and Industry Peers
Publicly Traded Peers of Amentum Holdings Inc
Revenue and income for trailing 12 months, in millions of $, except employees| Company | Market Cap | Revenues |
|---|---|---|
| Amentum Holdings Inc | 4,530.05 | 14,130.00 |
| Rtx Corporation | 256,155.90 | 93,500.00 |
| Lockheed Martin Corporation | 119,732.91 | 77,014.00 |
| General Dynamics Corporation | 91,602.95 | 53,808.00 |
| Northrop Grumman Corp | 72,025.92 | 42,892.00 |
| Honeywell International Inc | 67,390.27 | 36,130.00 |
| SUBTOTAL | 740,259.55 | 452,699.72 |
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Sources: Amentum Holdings Inc's official press releases and regulatory filings; CSIMarket.com's market research; and the financial filings and press releases of the other companies cited.
Updated on:
Focus of this report: publicly traded companies. Ten additional tables on Amentum Holdings Inc versus competitors, including market share analysis, are in the navigation menu under Competition. To download the tables, please subscribe.
Amentum Holdings Inc's Competitors Named by the Company
Competitive relationships identified from SEC filings and corroborating sources, each with a basis and confidence.| Competitor | Basis | Confidence |
|---|---|---|
| Science Applications International Corporation | Named by the company | 85% |
| Booz Allen Hamilton Inc. | Named by the company | 85% |
| Honeywell International Inc. | Named by the company | 85% |
| Lockheed Martin Corporation | Named by the company | 85% |
| Fluor Corporation | Named by the company | 85% |
| L3Harris Technologies Inc. | Named by the company | 85% |
| Northrop Grumman Corporation | Named by the company | 85% |
| V2x Inc | Named by the company | 85% |
| BWX Technologies Inc. | Named by the company | 85% |
| Huntington Ingalls Industries, Inc. | Named by the company | 85% |
| ManTech International Corporation | Named by the company | 85% |
| General Dynamics Corporation | Named by the company | 85% |
| Leidos Holdings Inc. | Named by the company | 85% |
| Parsons Corporation | Named by the company | 85% |
| CACI International Inc. | Named by the company | 85% |
| KBR Inc. | Named by the company | 85% |
| Mott MacDonald Group Limited | Named by the company | 85% |
| Maximus Inc | Named by the company | 85% |
| Atkins Canada | Named by the company | 85% |
| Peraton Corporation | Named by the company | 85% |
| Westinghouse Electric | Named by the company | 85% |
| Bechtel Global Corporation | Named by the company | 85% |
| Serco Group plc | Named by the company | 85% |
| Babcock International Group plc | Named by the company | 85% |
| Mace Group | Named by the company | 85% |
| RTX Corporation | Named by the company | 85% |
| Emcor Group Inc | Named by the company | 85% |
| Boeing Co. | Named by the company | 85% |
| V2X, Inc. | Named by the company | 85% |
| BAE Systems plc | Named by the company | 85% |
| Time Inc. | Named by the company | 85% |
| Paid Inc | Named by the company | 85% |
| Kbr Inc | Named by the company | 85% |
| Rtx Corporation | Named by the company | 85% |
Filing basis, confidence, active dates and source counts for Amentum Holdings Inc's named competitors require a Commercial License.
Methodology: relationships are extracted from SEC filings (named-competitor disclosures) and corroborating sources. Named by the company = explicitly disclosed as a competitor; Inferred = derived from corroborating signals. Confidence reflects evidence strength.
Amentum Holdings Inc's Business Segment Mix vs Peers
Revenue by operating segment or division, as named and reported by each company. Segment names are the filer's own and are not standardized across companies. Do not assume a same-named or similarly-named segment is defined identically between two companies. Shares are of each company's own total revenue and are not required to sum to 100% (intersegment revenue, unallocated items).| Company | Largest Segment |
|---|---|
| Amentum Holdings Inc | Global Engineering Solutions 57.79 % |
| Rtx Corporation | Pratt and Whitney 35.98 % |
| Lockheed Martin Corporation | Aeronautics 40.43 % |
| General Dynamics Corporation | Marine Systems 32.36 % |
| Northrop Grumman Corp | Aeronautics Systems 32.36 % |
| L3harris Technologies Inc | Space and Airborne Systems 52.05 % |
Source: operating segment revenue as reported in each company's SEC filings (10-K/10-Q), via the CSIMarket API, leaf-level reportable segments only (parent roll-up segments are excluded where sub-segments are separately disclosed).
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Amentum Holdings Inc's Productivity vs Peers Comparison
Revenue and income per employee, trailing 12 months, in $; market cap in millions of $| Company | Market Cap | Revenue / Employee | Income / Employee |
|---|---|---|---|
| Amentum Holdings Inc | 4,530 | 282,600 | 4,020 |
| Rtx Corporation | 256,156 | 519,444 | 45,139 |
| Lockheed Martin Corporation | 119,733 | 626,130 | 51,114 |
| General Dynamics Corporation | 91,603 | 459,897 | 37,103 |
| Northrop Grumman Corp | 72,026 | 5,718,933 | 599,467 |
| Honeywell International Inc | 67,390 | 357,723 | 81,356 |
| PEERS TOTAL | 735,730 | 512,572 | 42,279 |
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Amentum Holdings Inc's Geographic Revenue Exposure vs Peers
Revenue by country/region as reported in each company's most recent filing. Disclosure granularity varies by filer (some report by country, others by broad region) and is shown as disclosed.| Company | Largest Market |
|---|---|
| Amentum Holdings Inc | United States 77.86 % |
| Rtx Corporation | UNITED STATES 52.99 % |
| Lockheed Martin Corporation | United States 70.72 % |
| Northrop Grumman Corp | United States 85.81 % |
| Leidos Holdings Inc | United States 91.54 % |
| Bwx Technologies Inc | United States 69.62 % |
Source: revenue geography as reported in each company's SEC filings (10-K/10-Q), via the CSIMarket API. Percentages are of that company's own total consolidated revenue for its most recent reported period.
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Amentum Holdings Inc's Position in Industry Market Structure
Market-capitalization share and concentration across all 155 companies in Amentum Holdings Inc's industry classification, broader than the peer set above. Market cap in millions of $.Amentum Holdings Inc ranks #40 of 155 companies by market capitalization in its industry, holding 0.15 % of total industry market cap. The industry's Herfindahl-Hirschman Index (HHI) is 1,029, indicating a unconcentrated market structure (U.S. antitrust guidance: below 1,500 unconcentrated, 1,500 to 2,500 moderately concentrated, above 2,500 highly concentrated).
| Rank | Company | Market Cap | Industry Share |
|---|---|---|---|
| 1 | Visa Inc | 705,447 | 22.66 % |
| 2 | Mastercard Incorporated | 500,352 | 16.07 % |
| 3 | Repay Holdings Corporation | 308,989 | 9.93 % |
| 4 | Alibaba Group Holding Limited | 254,590 | 8.18 % |
| 5 | Uber Technologies Inc | 1,234 | 5.2% |
| 6 | Accenture Plc | 1,234 | 5.2% |
| 7 | Pdd Holdings inc | 1,234 | 5.2% |
| 8 | Orix Corporation | 1,234 | 5.2% |
| 9 | Mercadolibre Inc | 1,234 | 5.2% |
| 10 | Uxin Limited | 1,234 | 5.2% |
| 40 | Amentum Holdings Inc | 4,623 | 0.15 % |
Market cap and industry share for the rest of Amentum Holdings Inc's industry peers requires a Commercial License.
Source: CSIMarket API (daily market-structure computation) across CSIMarket's industry classification, market capitalization as of 2026-09-28.
Amentum Holdings Inc's Same-Size Peers & Stock Performance
Peers chosen by closeness in market-cap rank within the same industry classification (not the named-competitor list above). Trailing 12-month total return, 3-month price momentum, beta and Sharpe ratio vs the broad U.S. market.| Rank | Company | Market Cap | TTM Return |
|---|---|---|---|
| 35 | Lyft Inc | 5,581 | -33.03 % |
| 36 | Exlservice Holdings Inc | 5,379 | -20.68 % |
| 37 | Xometry Inc | 5,129 | 79.59 % |
| 38 | Mogu Inc | 4,889 | -46.55 % |
| 39 | Remitly Global Inc | 1,234 | 12.3% |
| 40 | Amentum Holdings Inc | 4,623 | -15.61 % |
| 41 | Dlocal Limited | 1,234 | 12.3% |
| 42 | Paymentus Holdings Inc | 1,234 | 12.3% |
| 43 | Sezzle Inc | 1,234 | 12.3% |
| 44 | Robert Half Inc | 1,234 | 12.3% |
| 45 | Cbiz Inc | 1,234 | 12.3% |
Market cap, return, momentum, beta and Sharpe ratio for the rest of Amentum Holdings Inc's same-size peers requires a Commercial License.
Source: CSIMarket API (daily market-structure computation); returns and risk metrics as of 2026-09-28. Beta and Sharpe ratio are versus the broad U.S. equity market, not this industry.
Amentum Holdings Inc's Profitability & Cost Structure
Trailing 12-month margins from SEC-filed financials. Operating margin is compared to the Professional Services industry median; gross margin, EBITDA margin and capital intensity are compared to the live industry average (230 companies).| Metric | Company | Industry | Difference |
|---|---|---|---|
| Gross Margin | -5.38 % | 47.17 % (avg) | -52.6 pp |
| Operating Margin | 2.89 % | industry median | -1.3 pp |
| EBITDA Margin | 10.82 % | 5.74 % (avg) | +5.1 pp |
| Capital Intensity (Capex / Revenue) | - | 4.25 % (avg) | - |
Source: CSIMarket API, trailing 12 months. SG&A and R&D as a share of revenue have limited coverage as this data is backfilled and appear only where reported. Higher capital intensity is not inherently negative; it reflects the industry's asset requirements.
Amentum Holdings Inc's Valuation vs Competitive Position
Valuation multiples vs the Professional Services industry average (230 companies, excluding loss-making/negative-equity outliers), alongside returns on capital for context on whether a premium or discount lines up with measurably stronger or weaker returns.| Metric | Company | Industry Average | Difference |
|---|---|---|---|
| P/E | 26.9x | 25.6x | +1.3x |
| EV / EBITDA | 5.9x | 15.4x | -9.5x |
| P/B | 1.2x | 3.7x | -2.5x |
| Return on Equity | 4.29 % | industry aggregate | -19.80 % |
| Return on Invested Capital | 2.85 % | 5.25 % (avg) | -2.40 % |
Source: CSIMarket API, trailing 12 months. A valuation premium or discount is not, by itself, a judgment of over- or under-valuation. Compare it against the return and growth context shown elsewhere on this page.
Amentum Holdings Inc's Strategic Group Map
Every company in Amentum Holdings Inc's industry and named-competitor list, plotted by trailing 12-month revenue growth and operating margin. Amentum Holdings Inc is shown in red; its closest peers by combined growth, margin and ROIC (the Similar Growth & Profitability group above) are labeled.
Source: CSIMarket API, trailing 12 months. Extreme outlier values (from near-zero-revenue companies) are excluded from the plotted cloud but never from the highlighted company or its labeled peers.
Amentum Holdings Inc's BCG Growth-Share Matrix
Relative market share (vs Amentum Holdings Inc's largest competitor by market cap) against industry revenue growth, using the standard textbook thresholds (1.0x share, 10% growth) a common framework, not a precision instrument.
Amentum Holdings Inc falls in the Dog quadrant: relative market share of 0.01x vs its largest competitor, in an industry growing revenue 5.2% (median, trailing 12 months).
Source: CSIMarket API (market-cap share and industry revenue growth). The 10% growth and 1.0x share lines are standard textbook thresholds, not derived from this industry's own distribution.
Amentum Holdings Inc's Competitive Forces (Porter's Five Forces)
Only the forces this data can support honestly are shown; the other three are marked as such rather than guessed.| Force | Assessment | Basis |
|---|---|---|
| Competitive Rivalry | High | Industry HHI of 1,029 (see Industry Market Structure & Concentration above) |
| Supplier Power | Not covered on this page | See Amentum Holdings Inc's dedicated suppliers page for concentration and dependency data |
| Buyer Power | Not covered on this page | See Amentum Holdings Inc's dedicated customers page for concentration and dependency data |
| Threat of Substitutes | - | No systematic data source for cross-product substitution exists in this system; not estimated |
Note: this is a partial, data-grounded application of the framework, not a complete strategic assessment. Rivalry and barriers-to-entry readings are mechanical translations of the HHI and capital-intensity figures shown elsewhere on this page, not independent judgments.
Amentum Holdings Inc's Industry Attractiveness & Competitive Strength
A CSIMarket composite, not a standard field: each axis is an equal-weighted average of three factors already shown elsewhere on this page (industry growth, industry profitability and rivalry for attractiveness; relative market share, profitability and growth vs industry for strength). Disclosed as a designed methodology, not a precision measurement.
Amentum Holdings Inc falls in the Low attractiveness / Medium strength cell: Harvest.
Source: CSIMarket API, trailing 12 months. Each axis score is a simple 1(low)/2(medium)/3(high) average across its three inputs -- a transparent, disclosed simplification, not a validated academic scoring model.
Amentum Holdings Inc's SWOT
Every point below is a fixed rule applied to a metric already shown elsewhere on this page (Market Structure, Profitability, Valuation, Run-Rate, Stock Performance, Quality Breadth) not an independent strategic assessment. A blank quadrant means no rule was met, not that none apply.Strengths
No rule matched.
Weaknesses
- Return on equity 19.8 points below the industry aggregate.
- Underperforming the U.S.A. 500 over the trailing 12 months.
- Low relative market share vs the industry leader (0.01x).
Opportunities
No rule matched.
Threats
No rule matched.
Methodology: mechanical, rule-based SWOT. Each bullet reuses a figure already sourced and cited elsewhere on this page; nothing here is generated narrative or independent analyst judgment.
Amentum Holdings Inc's Financial Strength vs Peers Comparison
Quick ratio, working capital, debt to equity and asset turnover, trailing 12 months| Company | Quick Ratio | Working Capital | Debt / Equity |
|---|---|---|---|
| Amentum Holdings Inc | 0.20 | 1.41 | 0.84 |
| Rtx Corporation | 0.12 | 1.03 | 0.70 |
| Lockheed Martin Corporation | 0.14 | 1.14 | 2.92 |
| General Dynamics Corporation | 0.14 | 1.40 | 0.33 |
| Northrop Grumman Corp | 0.20 | 1.13 | 0.89 |
| Honeywell International Inc | 0.51 | 1.31 | 2.10 |
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Quick ratio = cash / current liabilities; working capital ratio = current assets / current liabilities; asset turnover = revenue / total assets. Peers in the Blank Checks industry are excluded.
Amentum Holdings Inc's Revenue and Income Growth vs Peers
Quarterly revenue and net income growth, year over year and quarter over quarter| Company | Period | Revenue Y/Y | Income Y/Y |
|---|---|---|---|
| Amentum Holdings Inc | Q2 2026 | -2.0 % | - |
| Rtx Corporation | Q2 2026 | +14.5 % | +30.4 % |
| Lockheed Martin Corporation | Q2 2026 | +10.5 % | +436.8 % |
| General Dynamics Corporation | Q1 2026 | +10.3 % | +13.2 % |
| Northrop Grumman Corp | Q2 2026 | +5.1 % | -6.8 % |
| Honeywell International Inc | Q2 2026 | -6.1 % | +262.4 % |
| PEERS TOTAL | +7.9 % | +40.5 % |
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Growth is shown only where both periods are positive. Peers in the Blank Checks industry are excluded.
Amentum Holdings Inc's Peers' Costs of Sales and Capital Expenditures
Context for revenue growth: peer costs and capex, year over year and quarter over quarter| Company | Period | Costs Y/Y | Capex Y/Y |
|---|---|---|---|
| Amentum Holdings Inc | Q2 2026 | -2.0 % | +83.3 % |
| Rtx Corporation | Q2 2026 | +50.7 % | +11.5 % |
| Lockheed Martin Corporation | Q2 2026 | +1.1 % | -9.4 % |
| General Dynamics Corporation | Q1 2026 | +13.1 % | +43.0 % |
| Northrop Grumman Corp | Q2 2026 | +34.2 % | +30.7 % |
| Honeywell International Inc | Q2 2026 | +7.2 % | +39.4 % |
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Amentum Holdings Inc's Returns and Turnover vs Peers
ROA, ROI and ROE (trailing 12 months), receivables and inventory turnover| Company | ROA | ROI | ROE |
|---|---|---|---|
| Amentum Holdings Inc | 1.78% | 2.09% | 4.29% |
| Rtx Corporation | 4.75% | 6.63% | 12.06% |
| Lockheed Martin Corporation | 10.40% | 14.74% | 86.24% |
| General Dynamics Corporation | 7.52% | 13.52% | 17.41% |
| Northrop Grumman Corp | 8.93% | 11.14% | 26.58% |
| Honeywell International Inc | 10.74% | 17.01% | 49.57% |
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ROA = net income / total assets; ROI = net income / investments; ROE = net income / equity; turnover ratios use trailing 12 month revenue (receivables) and cost of sales (inventory).
Amentum Holdings Inc's Valuation vs Peers
P/E, price to sales, PEG, price to cash flow and price to book| Company | P/E | Price / Sales |
|---|---|---|
| Amentum Holdings Inc | 22.28 | 0.32 |
| Rtx Corporation | 32.98 | 2.74 |
| Lockheed Martin Corporation | 19.13 | 1.55 |
| General Dynamics Corporation | 20.99 | 1.70 |
| Northrop Grumman Corp | 16.10 | 1.68 |
| Honeywell International Inc | 8.31 | 1.87 |
| PEERS AVERAGE | 20.35 | 1.64 |
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P/E = price / diluted EPS (trailing 12 months); PEG = P/E divided by EPS growth; the average row divides the peers' combined market cap by their combined income, sales, cash flow and equity.