All lobbying filings

AMENTUM HOLDINGS, INC.

AMENTUM HOLDINGS, INC. filed a Q3 report for AMENTUM HOLDINGS, INC. on October 20, 2026.

Lobbying for AMENTUM HOLDINGS, INC.

All filings by AMENTUM HOLDINGS, INC. · Everything AMENTUM HOLDINGS, INC. has reported

Filing · LD-2 quarterly report Q3 report

Reporting period

3rd Quarter 2026

July 1 - Sep 30 · Posted Oct 20, 2026

Expenses

$90,000

What this organization spent lobbying with its own staff. Reported using the LDA's own definitions (method A): the three LDA methods count different costs, so an expenses figure is not comparable across filers that used different ones.

Client based in

District of Columbia

Official filing document

Government bodies contacted 4

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when. Each name opens every filing that named the same body.

Lobbying activity 7

Homeland Security

Monitor Counter Unmanned Aerial Systems

Aerospace

S.933, NASA Transition Authorization Act of 2025, Entirety H.R.7273, NASA Reauthorization Act of 2026, Entirety H.R.8800/S.4784, National Defense Authorization Act for Fiscal Year 2027, National Security Space Launch (NSSL); and S.933, NASA Transitional Authorization Act of 2025, Entirety NASA Workforce related issues Space Force program related issues

Budget/Appropriations

H.R.8800/S.4784, National Defense Authorization for Fiscal Year 2027, Maintenance and sustainment related issues; National Security Space Launch (NSSL); S.933, NASA Transitional Authorization Act of 2025, Monitor Small modular reactors (Nuclear Energy); and Monitor Counter Unmanned Aerial Systems H.R.8845,Commerce, Justice, Science, and Related Agencies Appropriations Act, 2027, including issues related to infrastructure and NASA Deep Space Exploration Account; and Monitor Nuclear Energy for Lunar Surface S.933, NASA Transition Authorization Act of 2025, Entirety H.R.7273, NASA Reauthorization Act of 2026, Entirety Monitor H.R.9495, Department of Defense Appropriations Act, 2027, National Security Space Launch (NSSL); and Small modular reactors (Nuclear Energy)

Defense

H.R.8800/S.4784, National Defense Authorization Act for Fiscal Year 2027, National Security Space Launch (NSSL); S.933, NASA Transitional Authorization Act of 2025, Entirety; Maintenance and sustainment related issues; Monitor Counter Unmanned Aerial Systems; Monitor Service related issues; and Monitor Small modular reactors (Nuclear Energy) Fort Huachuca, Intel program; and Overview Monitor the following: H.R.9495, Department of Defense Appropriations Act, 2027, Small modular reactors (Nuclear Energy); and National Security Space Launch (NSSL) Golden Dome architecture

Energy/Nuclear

Artificial Intelligence (AI) related issues Maintenance and Operations related issues MONITOR Monitor Nuclear energy related issues

Environment/Superfund

Artificial Intelligence (AI) related issues Monitor Nuclear energy related issues

Foreign Relations

Monitor Department of State, Humanitarian assistance related issues

Bills named in this filing 6

S. 933
NASA Authorization Act of 2026
H.R. 7273
NASA Reauthorization Act of 2026
H.R. 8800
National Defense Authorization Act for Fiscal Year 2027
S. 4784
National Defense Authorization Act for Fiscal Year 2027
H.R. 8845
Commerce, Justice, Science, and Related Agencies Appropriations Act, 2027
H.R. 9495
Department of Defense Appropriations Act, 2027

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.