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. | 2025-10-16 18:35:53 | 22.63 | -0.04 | -0.18 |
| 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 | 5,637,313,295 | 243,322,468 | 243,328,645 | 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. | 2025-10-10 20:07:43 |
| Fiscal Year | Market Cap | Change In Market Cap | Percentage Change In Market Cap | Shares Outstanding | Change In Shares Outstanding | Percentage Change In Shares Outstanding |
|---|---|---|---|---|---|---|
| 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 | 2024 |
|---|---|
| Revenue | 8,388,000,000 |
| Cost Of Revenue | 7,590,000,000 |
| Gross Profit | — |
| Research And Development Expenses | — |
| General And Administrative Expenses | 353,000,000 |
| Operating Expenses | — |
| Operating Income | 291,000,000 |
| Net Income | -82,000,000 |
| Earnings Per Share Basic | -0.9 |
| Earnings Per Share Diluted | -0.9 |
| Weighted Average Shares Outstanding Basic | 91,000,000 |
| Weighted Average Shares Outstanding Diluted | 91,000,000 |
| Fiscal Year | 2024 |
|---|---|
| Cash And Cash Equivalents | 452,000,000 |
| Marketable Securities Current | — |
| Accounts Receivable | 2,401,000,000 |
| Inventories | — |
| Non Trade Receivables | — |
| Other Assets Current | 322,000,000 |
| Total Assets Current | 3,084,000,000 |
| Marketable Securities Non Current | — |
| Property Plant And Equipment | — |
| Other Assets Non Current | 444,000,000 |
| Total Assets Non Current | 2,000,000 |
| Total Assets | 11,974,000,000 |
| Accounts Payable | 764,000,000 |
| Deferred Revenue | 113,000,000 |
| Short Term Debt | 36,000,000 |
| Other Liabilities Current | 356,000,000 |
| Total Liabilities Current | 1,965,000,000 |
| Long Term Debt | 4,679,000,000 |
| Other Liabilities Non Current | 444,000,000 |
| Total Liabilities Non Current | 1,000,000 |
| Total Liabilities | 7,422,000,000 |
| Common Stock | 2,000,000 |
| Retained Earnings | -527,000,000 |
| Accumulated Other Comprehensive Income | 23,000,000 |
| Total Shareholders Equity | 4,460,000,000 |
| Fiscal Year | 2024 |
|---|---|
| Depreciation And Amortization | 23,000,000 |
| Share Based Compensation Expense | 18,000,000 |
| Other Non Cash Income Expense | -14,000,000 |
| Change In Accounts Receivable | -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 | 47,000,000 |
| Purchases Of Marketable Securities | — |
| Sales Of Marketable Securities | — |
| Acquisition Of Property Plant And Equipment | 11,000,000 |
| Acquisition Of Business | -488,000,000 |
| Other Investing Activities | 1,000,000 |
| Cash From Investing Activities | 475,000,000 |
| Tax Withholding For Share Based Compensation | — |
| Payments Of Dividends | — |
| Issuance Of Common Stock | — |
| Repurchase Of Common Stock | — |
| Issuance Of Long Term Debt | 1,000,000,000 |
| Repayment Of Long Term Debt | 562,000,000 |
| Other Financing Activities | -4,000,000 |
| Cash From Financing Activities | -382,000,000 |
| Change In Cash | 147,000,000 |
| Cash At End Of Period | 452,000,000 |
| Income Taxes Paid | 95,000,000 |
| Interest Paid | 373,000,000 |
| Insider Name | Relationship To Issuer | Transaction Date | Amount Of Securities | Acquired Or Disposed | Securities Owned Following Transaction |
|---|---|---|---|---|---|
| Amentum Joint Venture GP LLC | Director | 2025-05-08 | 2,433,022 | D | 0 |
| Goldberg 2014 LLC | 10% owner | 2025-05-08 | 1,132,839 | A | 45,026,743 |
| GOLDBERG ALAN E | Director, 10% owner | 2025-05-08 | 1,132,839 | A | 45,026,743 |
| Lindsay Goldberg Employee Co-Inv. IV L.P. | 10% owner | 2025-05-08 | 1,132,839 | A | 45,026,743 |
| Thompson Christopher M.T. | Director | 2025-04-08 | 11,564 | A | 11,564 |
| 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 |
|---|---|---|---|---|
| Blue Trust, Inc. | 2025-09-30 | 28,836 | 1,204 | 23.9502 |
| Financial Management Professionals, Inc. | 2025-09-30 | 5,461 | 228 | 23.9518 |
| CWM, LLC | 2025-09-30 | 372,000 | 15,546 | 23.929 |
| Clayton Financial Group LLC | 2025-09-30 | 647 | 27 | 23.963 |
| HARBOR CAPITAL ADVISORS, INC. | 2025-09-30 | 4,000 | 170 | 23.5294 |
| Registrant Name | Period Of Report | Fund Name | Fund Symbol | Amount Of Units | Value In Usd | Percentage Value Compared To Assets |
|---|---|---|---|---|---|---|
| PRIMECAP Odyssey Funds | 2025-07-31 | PRIMECAP Odyssey Stock Fund | POSKX | 1,793,554 | 44,785,068.35 | 1.0568 |
| PRIMECAP Odyssey Funds | 2025-07-31 | PRIMECAP Odyssey Growth Fund | POGRX | 603,230 | 15,062,678.07 | 0.3166 |
| VALUED ADVISERS TRUST | 2025-07-31 | Kovitz Core Equity ETF | EQTY | 953,554 | 23,810,243.38 | 1.8822 |
| AMG Funds I | 2025-07-31 | Class Z | MSSYX | 89,632 | 2,238,111.04 | 2.6671 |
| AMG Funds I | 2025-07-31 | Class N | MSSVX | 89,632 | 2,238,111.04 | 2.6671 |