Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13D

Active or control-oriented beneficial ownership filing.

Ownership

18%

Beneficial ownership of this reported class.

Shares

43,893,904 shares

Shares beneficially owned as disclosed.

Event date

17 Dec 2024

Date tied to the ownership event or amendment.

Accepted by SEC

23 Dec 2024

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
AMTM
Shares outstanding
243,855,022 shares
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
SCHEDULE 13D
Accepted by SEC
23 Dec 2024, 19:03:35 UTC
Event date
17 Dec 2024
Source filing
View source filing

Key filing fact

Alan E. Goldberg disclosed 18% ownership in AMENTUM HOLDINGS, INC. Common Stock, par value $0.01 per share (AMTM) on 17 Dec 2024.

Key facts

  • Alan E. Goldberg filed SCHEDULE 13D for AMENTUM HOLDINGS, INC. Common Stock, par value $0.01 per share (AMTM).
  • Disclosed ownership: 18%.
  • Date of event: 17 Dec 2024.

Change

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 23 Dec 2024, 19:03.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (17)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
Alan E. Goldberg 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. James C. Pickel, Jr., Attorney-in-Fact 0001077430
Goldberg 2014 LLC 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. James C. Pickel, Jr. Vice President 0002037981
Goldberg 2020 LLC 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. James C. Pickel, Jr. Vice President 0002037424
LG GP Holding IV LLC 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. James C. Pickel, Jr. Vice President 0002038310
LG GP Holding V LLC 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. James C. Pickel, Jr. Vice President 0002037432
Lindsay Goldberg GP IV LLC 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. James C. Pickel, Jr. Vice President 0002037399
Lindsay Goldberg GP V LLC 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. James C. Pickel, Jr. Vice President 0002037542
Lindsay Goldberg IV L.P. 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. Lindsay Goldberg GP IV LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0001605108
Lindsay Goldberg IV - A L.P. 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. Lindsay Goldberg GP IV LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0001605152
Lindsay Goldberg IV - PCF L.P. 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. Lindsay Goldberg GP IV LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0001605154
Lindsay Goldberg Co-Inv. IV L.P. 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. Lindsay Goldberg GP IV LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0002037459
Lindsay Goldberg Employee Co-Inv. IV L.P. 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. Lindsay Goldberg GP IV LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0002037350
LG Co-Inv. A L.P. 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. Lindsay Goldberg GP IV LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0002037394
Lindsay Goldberg V L.P. 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. Lindsay Goldberg GP V LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0001743020
Lindsay Goldberg Maverick Co-Inv. L.P. 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. Lindsay Goldberg GP V LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0002037408
LG Amentum Holdings GP LLC 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. James C. Pickel, Jr. Vice President 0002037417
LG Amentum Holdings LP 18% 43,893,904 0 43,893,904 /s/ James C. Pickel, Jr. LG Amentum Holdings GP LLC, its General Partner, By: James C. Pickel, Jr. Vice President 0002037445
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .