Inside the research
Amentum Holdings, Inc.
AMTM Research profile · latest available data
Price overview
$19.19
▼ -0.21 (-1.1%)
| 52w hi | $37.53 |
|---|---|
| 52w lo | $19.19 |
| Vol | 1.51M |
| As of | 25 Sep 2026 |
The Verdict
Our score -0.25
| Short | -0.29 |
|---|---|
| Medium | -0.29 |
| Long | -0.07 |
computed 2026-09-27
Key fundamentals
Amentum Holdings, Inc.
Industrials · Specialty Business Services
| Market cap | $4.69B |
|---|---|
| Enterprise value | $8.15B |
| Trailing P/E | 23.12x |
| Forward P/E | 7.27x |
| EV / EBITDA | 8.10x |
| P / S (ttm) | 0.33x |
| Profit margin | 1.4% |
| Return on equity | 4.3% |
| Revenue growth | -2.0% |
| Earnings growth | +575.0% |
| Debt / equity | 79.87 |
Layer Breakdown
| Layer | Raw | Contribution |
|---|---|---|
| Fundamental | +0.25 | |
| Sector | -0.01 | |
| Technical | -0.25 | |
| Earnings | +0.00 | |
| Sentiment | +0.00 |
macro × 1.00 · 2026-09-27
Business overview
Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. It operates through two segments, Digital Solutions and Global Engineering Solutions. The company offers digital and data-driven solutions, including intelligence analytics, space system development, cybersecurity, and IT to the federal government and commercial clients. It also provides large-scale environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management for the U.S. government and allied nations. The company was incorporated in 2023 and is headquartered in Chantilly, Virginia.
Risk Metrics
| Beta vs SPX | 1.31 |
|---|---|
| Corr SPX | 0.37 |
| Annual vol | 56.3% |
| Annual ret | -6.0% |
| Sharpe | -0.11 |
| Max DD | -50.8% |
Window: 504 trading days (502 obs)
Analyst Coverage
| Mean PT | $36.55 |
|---|---|
| High / Low | $42.00 / $29.00 |
| Median | $35.00 |
| Analysts | 11 |
| Strong Buy | 2 | |
|---|---|---|
| Buy | 3 | |
| Hold | 6 | |
| Sell | 0 | |
| Strong Sell | 0 |
Recent rating actions
| 2026-04-16 | Citizens | → Market Outperform |
| 2026-04-13 | Citizens | → Market Outperform |
| 2026-02-11 | RBC Capital | → Sector Perform |
| 2026-02-11 | BTIG | → Buy |
| 2026-01-15 | UBS | → Neutral |
| 2026-01-14 | Truist Securities | → Buy |
Material Events
| Date | Event | 8-K |
|---|---|---|
| 2026-08-10 | Earnings Release, Exhibits | read |
| 2026-05-11 | Earnings Release, Exhibits | read |
| 2026-04-28 | Material Agreement | read |
| 2026-02-10 | Shareholder Vote | read |
| 2026-02-09 | Earnings Release, Exhibits | read |
| 2025-11-24 | Earnings Release, Exhibits | read |
| 2025-08-05 | Earnings Release, Exhibits | read |
| 2025-05-06 | Earnings Release, Exhibits | read |
| 2025-03-07 | Other Material Event, Exhibits | read |
| 2025-03-07 | Exhibits | read |
| 2025-03-07 | Shareholder Vote | read |
| 2025-02-04 | Earnings Release, Exhibits | read |
Insider Trades
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-06 | Heller John E. | Chief Executive Officer | Option exercise | 18.14K | — |
| 2026-05-06 | Heller John E. | Chief Executive Officer | Withheld for tax | 8.18K | $203.70K |
| 2026-05-06 | Mullen Sean Thomas | Chief Growth Officer | Option exercise | 9.07K | — |
| 2026-05-06 | Mullen Sean Thomas | Chief Growth Officer | Withheld for tax | 2.76K | $68.75K |
| 2026-05-06 | Johnson Travis Barton | Chief Financial Officer | Option exercise | 13.61K | — |
| 2026-05-06 | Johnson Travis Barton | Chief Financial Officer | Withheld for tax | 4.10K | $101.97K |
| 2026-05-06 | Bruning Jill L | Chief Technology Officer | Option exercise | 9.07K | — |
| 2026-05-06 | Bruning Jill L | Chief Technology Officer | Withheld for tax | 2.73K | $67.97K |
| 2026-05-06 | Arnette Stephen A | Chief Operating Officer | Option exercise | 13.61K | — |
| 2026-05-06 | Arnette Stephen A | Chief Operating Officer | Withheld for tax | 3.31K | $82.49K |
Flow & Concentration
| Insider 180d net | $0 |
|---|---|
| Insider buys / sells | 0 / 0 |
| Insider bias | Neutral |
| 13F holders | 8 |
| Top-5 share | 96.0% |
| HHI | 2,577 (concentrated) |
Top Holders
| Holder | Value | Shares |
|---|---|---|
| Fidelity / FMR LLC | $117.39M | 5.68M |
| State Street Corp | $106.49M | 5.15M |
| Millennium Management | $43.98M | 2.13M |
| Capital Research / Capital World | $31.94M | 1.55M |
| Citadel Advisors | $20.14M | 974.28K |
| AQR Capital Management | $12.42M | 601.90K |
| Bridgewater Associates | $976.10K | 47.22K |
| T. Rowe Price Group | $3.15K | 152.08K |
As of 2026-06-30
SEC Filings
The Long Run
FY 2024–2025 · 2 years
| Line | Latest | CAGR | Trend |
|---|---|---|---|
| Revenue | $8.39B | +6.6% | |
| Operating income | $480.00M | +296.7% | |
| Net income | -$314.00M | — | |
| Cash from ops | $543.00M | +331.0% |
Indices
Recent Sessions
| Date | Open | High | Low | Close | Vol |
|---|---|---|---|---|---|
| Sep 25 | $19.35 | $19.37 | $19.01 | $19.19 | 1.51M |
| Sep 24 | $19.64 | $19.81 | $19.39 | $19.40 | 986.00K |
| Sep 23 | $19.92 | $20.06 | $19.64 | $19.71 | 1.20M |
| Sep 22 | $20.00 | $20.11 | $19.41 | $19.70 | 2.13M |
| Sep 21 | $19.68 | $20.01 | $19.64 | $19.90 | 1.34M |
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