AMTM supply chain intelligence for Amentum Holdings, Inc.: verified suppliers, customers, debt relationships, acquisitions, and ownership data.
Data compiled by Redley Lamar · ChainSifter Intelligence
Amentum Holdings, Inc. (AMTM) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.
| Ticker | Name | Confidence | Evidence |
|---|---|---|---|
| J | Jacobs Solutions Inc. | 72% | Reciprocal relationship from J graph: a diverse mix of private and public sector clients. Private sector clients include global household names like Diageo, Microsoft, Pret A Manger and Unilever, and… |
| SAIC | Science Applications International Corporation | 72% | Reciprocal relationship from SAIC graph: Reciprocal relationship from AMTM graph: Reciprocal relationship from SAIC graph: Reciprocal relationship from AMTM graph: Reciprocal relationship from SAIC g… |
| VVX | V2X, Inc. | 72% | Reciprocal relationship from VVX graph: ituational awareness products, missile launchers, and tactical aircraft radar systems and components. Our capabilities include Aircraft Maintenance & Managemen… |
| Ticker | Name | Confidence | Evidence |
|---|---|---|---|
| U-S-FEDERAL-GOVERNMENT | U-S-FEDERAL-GOVERNMENT | 92% | In fiscal year 2025, we generated approximately 81% of our revenues from contracts with the U.S. federal government, either as a prime contractor or a subcontractor to other contractors engaged in wo… |
| ALLIED-NATIONS | ALLIED-NATIONS | 90% | The GES segment provides large-scale environmental remediation, nuclear power solutions, platform engineering, sustainment and supply chain management across all seven continents for the U.S. governm… |
| J | Jacobs Solutions Inc. | 72% | Reciprocal relationship from J graph: Reciprocal relationship from AMTM graph: itures partially offset by the net impact of the expected ramp-down of historical programs and the ramp up of new contra… |
| J | Jacobs Solutions Inc. | 72% | itures partially offset by the net impact of the expected ramp-down of historical programs and the ramp up of new contract awards and growth on existing programs. Cost of revenues — The increase in c… |
| MUFG-BANK-LTD | MUFG-BANK-LTD | 62% | annual fiscal year 2026 financial statements. In November 2024, the FASB issued ASU No. 2024-03, Disaggregation of Income Statement Expenses , to enhance the transparency of certain expense disclosur… |
| PRESENTATION-AMENTUM-HOLDINGS-INC | PRESENTATION-AMENTUM-HOLDINGS-INC | 62% | t — 70 Income taxes paid, net of receipts ( 18 ) ( 40 ) Interest paid ( 130 ) ( 133 ) See notes to unaudited condensed consolidated financial statements 8 AMENTUM HOLDINGS, INC. NOTES TO CONDENSED CO… |
| Instrument | Description | Confidence | Evidence |
|---|---|---|---|
| AMTM-DEBT-AMTM-7-250-SENIOR-NOTES-DUE-AUGUST-1-2032-2032-08-01 | 7.250% Senior Notes due August 1, 2032 | 94% | 7.250 % senior notes due August 1, 2032. Listed in 10-Q 2026-05-12. |
| AMTM-DEBT | Debt stack $3.8B | 90% | Market cache reports total debt of $3.8B. |
| Holder | Name | Confidence | Evidence |
|---|---|---|---|
| AMTM-OWNER-VANGUARD-PORTFOLIO-MANAGEMENT-LLC | VANGUARD PORTFOLIO MANAGEMENT LLC | 95% | 13F/ownership overlay lists VANGUARD PORTFOLIO MANAGEMENT LLC; shares held 7,852,951; value $204.8B; as of 2026-03-31. |
| AMTM-OWNER-AMERICAN-SECURITIES-LLC | AMERICAN SECURITIES LLC | 95% | 13F/ownership overlay lists AMERICAN SECURITIES LLC; shares held 45,026,743; ownership 18.42%; value $1.17T; as of 2026-03-31. |
| AMTM-OWNER-PRIMECAP-MANAGEMENT-CO-CA | PRIMECAP MANAGEMENT CO/CA/ | 95% | 13F/ownership overlay lists PRIMECAP MANAGEMENT CO/CA/; shares held 12,085,294; value $315.2B; as of 2026-03-31. |
| AMTM-OWNER-LEGACY-ADVISORS-LLC | Legacy Advisors, LLC | 95% | 13F/ownership overlay lists Legacy Advisors, LLC; shares held 9,064,278; value $9.1B; as of 2026-03-31. |
| AMTM-OWNER-STATE-STREET-CORP | STATE STREET CORP | 95% | 13F/ownership overlay lists STATE STREET CORP; shares held 5,079,041; value $132.5B; as of 2026-03-31. |
| AMTM-OWNER-INVESCO-LTD | Invesco Ltd. | 95% | 13F/ownership overlay lists Invesco Ltd.; shares held 21,473,778; value $560.0B; as of 2026-03-31. |
| AMTM-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC | VANGUARD CAPITAL MANAGEMENT LLC | 95% | 13F/ownership overlay lists VANGUARD CAPITAL MANAGEMENT LLC; shares held 13,301,758; value $346.9B; as of 2026-03-31. |
| AMTM-OWNER-MORGAN-STANLEY | MORGAN STANLEY | 95% | 13F/ownership overlay lists MORGAN STANLEY; shares held 6,116,682; value $161.7B; as of 2026-03-31. |
| AMTM-OWNER-FMR-LLC | FMR LLC | 95% | 13F/ownership overlay lists FMR LLC; shares held 5,578,386; value $145.5B; as of 2026-03-31. |
| AMTM-OWNER-BLACKROCK-INC | BlackRock, Inc. | 95% | 13F/ownership overlay lists BlackRock, Inc.; shares held 17,841,283; value $465.3B; as of 2026-03-31. |
| AMTM | Amentum Holdings, Inc. | 82% | General Vincent K. Brooks | Director | gift |
| AMTM | Amentum Holdings, Inc. | 82% | Christopher M.T. Thompson | Director | n/a |
| AMTM | Amentum Holdings, Inc. | 82% | Barbara L. Loughran | Director | gift |
| AMTM | Amentum Holdings, Inc. | 82% | John C. Vollmer | Director | N/A |
| AMTM | Amentum Holdings, Inc. | 82% | Christopher M.T. Thompson | Director | N/A |
| AMTM | Amentum Holdings, Inc. | 82% | Barbara L. Loughran | Director | gift |
| AMTM | Amentum Holdings, Inc. | 82% | Jill L. Bruning | Chief Technology Officer | none |
| AMTM | Amentum Holdings, Inc. | 82% | General Vincent K. Brooks | Director | gift |
| AMTM | Amentum Holdings, Inc. | 82% | Sandra E. Rowland | Director | N/A |
| AMTM | Amentum Holdings, Inc. | 82% | S. Leslie Ireland | Director | gift |
| AMTM | Amentum Holdings, Inc. | 82% | John E. Heller | Chief Executive Officer | unknown |
| AMTM | Amentum Holdings, Inc. | 82% | John E. Heller | Chief Executive Officer | unknown |
| AMTM | Amentum Holdings, Inc. | 82% | General Ralph E. Eberhart | Director | N/A |
| AMTM | Amentum Holdings, Inc. | 82% | Jill L. Bruning | Chief Technology Officer | none |
| AMTM | Amentum Holdings, Inc. | 82% | Stephen A. Arnette | Chief Operating Officer | none |
| AMTM | Amentum Holdings, Inc. | 82% | Stephen A. Arnette | Chief Operating Officer | none |
| AMTM | Amentum Holdings, Inc. | 82% | Michele T. St. Mary | Chief Legal Officer & General Counsel | power_of_attorney |
| AMTM | Amentum Holdings, Inc. | 82% | Michele T. St. Mary | Chief Legal Officer & General Counsel | power_of_attorney |
| AMTM | Amentum Holdings, Inc. | 82% | Sandra E. Rowland | Director | n/a |
| AMTM | Amentum Holdings, Inc. | 82% | John C. Vollmer | Director | n/a |
| Ticker | Name | Chain Index | Hops | Relationship Types |
|---|---|---|---|---|
| J | Jacobs Solutions Inc. | 100.00 | 1 | ['customer', 'supplier'] |
| SAIC | Science Applications International Corporation | 100.00 | 1 | ['supplier'] |
| VVX | V2X, Inc. | 100.00 | 1 | ['supplier'] |
| GD | General Dynamics Corporation | 50.00 | 2 | |
| IBM | International Business Machines Corporation | 50.00 | 2 | |
| HUM | Humana Inc. | 50.00 | 2 | |
| LDOS | Leidos Holdings, Inc. | 50.00 | 2 | |
| STQN | Strategic Acquisitions, Inc. | 50.00 | 2 | |
| GPRK | GeoPark Limited | 50.00 | 2 | |
| SEE | Sealed Air Corp | 50.00 | 2 | |
| DOX | Amdocs Limited | 50.00 | 2 | |
| ICFI | ICF International, Inc. | 50.00 | 2 | |
| LMT | Lockheed Martin Corporation | 50.00 | 2 | |
| LXU | LSB Industries, Inc. | 50.00 | 2 | |
| NOC | Northrop Grumman Corporation | 50.00 | 2 | |
| RY | Royal Bank of Canada | 50.00 | 2 | |
| ELVR | Elevra Lithium Limited | 50.00 | 2 | |
| ACN | Accenture plc | 50.00 | 2 |