Amentum Holdings, Inc. (formally Amentum Government Services Holding LLC) is an American government and commercial services contractor based in Chantilly, Virginia. The company was formed in 2020 from the spinout of AECOM's Management Services / federal group. After Leidos, it is the second-largest government services (non equipment producing) contractor in the US government contracting market.
| trading_symbol | registrant_name | time | price | change | percentage_change |
|---|---|---|---|---|---|
| AMTM | Amentum Holdings, Inc. | 2025-12-02 08:28:39 | 28.81 | 0.59 | 2.07 |
| trading_symbol | central_index_key | registrant_name | isin_number | lei_number | ein_number | exchange | sic_code | sic_description | fiscal_year_end | state_of_incorporation | address_street | address_city | address_state | address_zip_code | address_country | address_country_code | phone_number | mailing_address | business_address | former_name | industry | founding_date | chief_executive_officer | number_of_employees | website | market_cap | shares_issued | shares_outstanding | description | update_time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AMTM | 0002011286 | Amentum Holdings, Inc. | US0239391016 | 2549009FJIBLW40CU216 | 990622272 | NYSE | 7389 | Services-Business Services, NEC | 1003 | DE | 4800 WESTFIELDS BOULEVARD | CHANTILLY | VA | 20151 | UNITED STATES | US | 7035790410 | 4800 WESTFIELDS BOULEVARD, CHANTILLY, VA, 20151 | 4800 WESTFIELDS BOULEVARD, CHANTILLY, VA, 20151 | Amazon Holdco Inc. | National security | 2020-02-04 | John Heller | 53,000 | https://www.amentum.com | 4,396,836,997 | 243,464,776 | 243,597,992 | Amentum Holdings, Inc. (formally Amentum Government Services Holding LLC) is an American government and commercial services contractor based in Chantilly, Virginia. The company was formed in 2020 from the spinout of AECOM's Management Services / federal group. After Leidos, it is the second-largest government services (non equipment producing) contractor in the US government contracting market. | 2025-11-27 15:48:02 |
| Fiscal Year | Market Cap | Change In Market Cap | Percentage Change In Market Cap | Shares Outstanding | Change In Shares Outstanding | Percentage Change In Shares Outstanding |
|---|---|---|---|---|---|---|
| 2025 | 4,396,836,997 | -1,240,476,298 | -22.0047 | 243,597,992 | 295,735 | 0.1216 |
| 2024 | 5,637,313,295 | 5,637,313,295 | 100 | 243,302,257 | 243,302,257 | 100 |
| Executive Name | Executive Position | Fiscal Year | Salary | Bonus | Stock Awards | Incentive Plan Compensation | Other Compensation | Total Compensation |
|---|---|---|---|---|---|---|---|---|
| John Heller | Chief Executive Officer | 2024 | 1,165,385 | 0 | 0 | 1,586,384 | 30,710 | 2,782,479 |
| Steven J. Demetriou | Executive Chairman | 2024 | 1,250,000 | 0 | 2,750,001 | 1,306,422 | 44,962 | 5,351,385 |
| Stephen A. Arnette | Chief Operating Officer | 2024 | 586,154 | 0 | 1,500,013 | 511,203 | 61,602 | 2,658,972 |
| Travis B. Johnson | Chief Financial Officer | 2024 | 571,923 | 500,000 | 0 | 858,781 | 32,945 | 1,963,649 |
| Sean Mullen | Chief Growth Officer | 2024 | 443,300 | 350,000 | 0 | 416,061 | 24,603 | 1,233,964 |
| Fiscal Year | 2025 | 2024 |
|---|---|---|
| Revenue | 14,393,000,000 | 8,388,000,000 |
| Cost Of Revenue | 12,880,000,000 | 7,590,000,000 |
| Gross Profit | — | — |
| Research And Development Expenses | — | — |
| General And Administrative Expenses | 616,000,000 | 353,000,000 |
| Operating Expenses | — | — |
| Operating Income | 480,000,000 | 291,000,000 |
| Net Income | 66,000,000 | -82,000,000 |
| Earnings Per Share Basic | 0.27 | -0.9 |
| Earnings Per Share Diluted | 0.27 | -0.9 |
| Weighted Average Shares Outstanding Basic | 243,000,000 | 91,000,000 |
| Weighted Average Shares Outstanding Diluted | 244,000,000 | 91,000,000 |
| Fiscal Year | 2025 | 2024 |
|---|---|---|
| Cash And Cash Equivalents | 437,000,000 | 452,000,000 |
| Marketable Securities Current | — | — |
| Accounts Receivable | 2,479,000,000 | 2,401,000,000 |
| Inventories | — | — |
| Non Trade Receivables | — | — |
| Other Assets Current | 191,000,000 | 322,000,000 |
| Total Assets Current | 3,113,000,000 | 3,084,000,000 |
| Marketable Securities Non Current | — | — |
| Property Plant And Equipment | — | — |
| Other Assets Non Current | 379,000,000 | 444,000,000 |
| Total Assets Non Current | 0 | 2,000,000 |
| Total Assets | 11,460,000,000 | 11,974,000,000 |
| Accounts Payable | 892,000,000 | 764,000,000 |
| Deferred Revenue | 227,000,000 | 113,000,000 |
| Short Term Debt | 42,000,000 | 36,000,000 |
| Other Liabilities Current | 488,000,000 | 356,000,000 |
| Total Liabilities Current | 2,354,000,000 | 1,965,000,000 |
| Long Term Debt | 3,943,000,000 | 4,679,000,000 |
| Other Liabilities Non Current | 325,000,000 | 444,000,000 |
| Total Liabilities Non Current | 0 | 1,000,000 |
| Total Liabilities | 6,840,000,000 | 7,422,000,000 |
| Common Stock | 2,000,000 | 2,000,000 |
| Retained Earnings | -461,000,000 | -527,000,000 |
| Accumulated Other Comprehensive Income | 40,000,000 | 23,000,000 |
| Total Shareholders Equity | 4,505,000,000 | 4,460,000,000 |
| Fiscal Year | 2025 | 2024 |
|---|---|---|
| Depreciation And Amortization | 40,000,000 | 23,000,000 |
| Share Based Compensation Expense | 21,000,000 | 18,000,000 |
| Other Non Cash Income Expense | -17,000,000 | -14,000,000 |
| Change In Accounts Receivable | 171,000,000 | -81,000,000 |
| Change In Inventories | — | — |
| Change In Non Trade Receivables | — | — |
| Change In Other Assets | — | — |
| Change In Accounts Payable | — | — |
| Change In Other Liabilities | — | — |
| Cash From Operating Activities | 543,000,000 | 47,000,000 |
| Purchases Of Marketable Securities | — | — |
| Sales Of Marketable Securities | — | — |
| Acquisition Of Property Plant And Equipment | 27,000,000 | 11,000,000 |
| Acquisition Of Business | 70,000,000 | -488,000,000 |
| Other Investing Activities | 3,000,000 | 1,000,000 |
| Cash From Investing Activities | 228,000,000 | 475,000,000 |
| Tax Withholding For Share Based Compensation | — | — |
| Payments Of Dividends | — | — |
| Issuance Of Common Stock | 3,000,000 | — |
| Repurchase Of Common Stock | — | — |
| Issuance Of Long Term Debt | 0 | 1,000,000,000 |
| Repayment Of Long Term Debt | 1,146,000,000 | 562,000,000 |
| Other Financing Activities | 1,000,000 | -4,000,000 |
| Cash From Financing Activities | -790,000,000 | -382,000,000 |
| Change In Cash | -15,000,000 | 147,000,000 |
| Cash At End Of Period | 437,000,000 | 452,000,000 |
| Income Taxes Paid | 107,000,000 | 95,000,000 |
| Interest Paid | 306,000,000 | 373,000,000 |
| Fiscal Year | 2025 |
|---|---|
| Earnings Per Share | 0.27 |
| Price To Earnings Ratio | 96.1111 |
| Earnings Growth Rate | -130 |
| Price Earnings To Growth Ratio | -0.7393 |
| Book Value Per Share | 19.0123 |
| Price To Book Ratio | 1.3649 |
| Ebitda | 213,000,000 |
| Enterprise Value | 9,853,850,000 |
| Dividend Yield | — |
| Dividend Payout Ratio | — |
| Debt To Equity Ratio | 0.8846 |
| Capital Expenditures | — |
| Free Cash Flow | — |
| Return On Equity | 0.0147 |
| One Year Beta | 1.2275 |
| Three Year Beta | 1.3085 |
| Five Year Beta | 1.3085 |
| Insider Name | Relationship To Issuer | Transaction Date | Amount Of Securities | Acquired Or Disposed | Securities Owned Following Transaction |
|---|---|---|---|---|---|
| DEMETRIOU STEVEN J. | Director, Executive Chair | 2025-11-17 | 43,396 | A | 726,198 |
| DEMETRIOU STEVEN J. | Director, Executive Chair | 2025-11-17 | 17,077 | D | 709,121 |
| DEMETRIOU STEVEN J. | Director, Executive Chair | 2025-11-17 | 111,355 | A | 820,476 |
| DEMETRIOU STEVEN J. | Director, Executive Chair | 2025-11-17 | 43,396 | D | 0 |
| Arnette Stephen A | Chief Operating Officer | 2025-11-17 | 1,178 | A | 47,243 |
| Name Of Reporting Person | Report Date | State | Transaction Type | Transaction Date | Owner Type | Amount |
|---|---|---|---|---|---|---|
| William R. Keating | 2024-11-06 | MA09 | Sale | 2024-10-31 | — | $1,001 - $15,000 |
| Thomas H. Kean | 2024-10-15 | NJ07 | Exchange | 2024-09-30 | — | $1,001 - $15,000 |
| Thomas H. Kean | 2024-10-15 | NJ07 | Exchange | 2024-09-30 | — | $1,001 - $15,000 |
| Thomas H. Kean | 2024-10-15 | NJ07 | Exchange | 2024-09-30 | — | $1,001 - $15,000 |
| Thomas H. Kean | 2024-10-15 | NJ07 | Exchange | 2024-09-30 | — | $1,001 - $15,000 |
| Investor Name | Period Of Report | Market Value | Amount Of Securities | Price Per Security |
|---|---|---|---|---|
| JPMORGAN CHASE & CO | 2025-09-30 | 2,509,265 | 104,771 | 23.95 |
| Vermillion & White Wealth Management Group, LLC | 2025-09-30 | 45,625 | 1,905 | 23.9501 |
| TD Capital Management LLC | 2025-09-30 | 431 | 18 | 23.9444 |
| Penn Capital Management Company, LLC | 2025-09-30 | 23,063,226 | 960,607 | 24.009 |
| Pictet Asset Management Holding SA | 2025-09-30 | 555,401 | 23,190 | 23.95 |
| Registrant Name | Period Of Report | Fund Name | Fund Symbol | Amount Of Units | Value In Usd | Percentage Value Compared To Assets |
|---|---|---|---|---|---|---|
| Keeley Funds, Inc. | 2025-09-30 | Class I | KSMIX | 21,388 | 512,242.6 | 1.9217 |
| Keeley Funds, Inc. | 2025-09-30 | Class A | KSMVX | 21,388 | 512,242.6 | 1.9217 |
| GABELLI ASSET FUND | 2025-09-30 | CLASS I | GABIX | 900 | 21,555 | 0.0013 |
| GABELLI ASSET FUND | 2025-09-30 | CLASS AAA | GABAX | 900 | 21,555 | 0.0013 |
| GABELLI ASSET FUND | 2025-09-30 | CLASS C | GATCX | 900 | 21,555 | 0.0013 |