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Institutional ownership intelligence
Schedule 13G/A

AMTM Schedule 13G/A filing by Invesco

Invesco reported beneficial ownership of 22.1M shares, representing 12% of Amentum Holdings, Inc. in this filing.

FiledNov 6, 2025
Ownership dateSep 30, 2025
Reported shares22.1M
Reported ownership12%
Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 22.1M
Shared voting power 22.1M
Sole dispositive power 22.1M
Shared dispositive power 22.1M
Compared with the prior filing

How the reported position changed

This compares the current filing with the previous tracked Schedule 13 filing from the same reporting CIK for AMTM. A change between filings does not by itself establish when shares were bought or sold.

Previous filingMay 9, 2025
Reported share change+4,925,725
Ownership percentage change0 pts
Previous filingThis filing
Reported shares17.2M22.1M
Reported ownership12%12%
Price context

Price dates alongside the ownership filing

Price data provides market context around the disclosure. It does not identify the filer’s actual transaction price.

Close near filing date$21.79as of Nov 6, 2025
Latest tracked price$23.64as of Aug 5, 2026
Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer
Invesco
CIK
CIK0000914208
Accession
0000914208-25-000400
Form
Schedule 13G/A
Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.