Logo image of AMTM

AMENTUM HOLDINGS INC (AMTM) Stock Ownership and Short Interest

USA - NYSE:AMTM - US0239391016 - Common Stock

22.4 USD
-0.27 (-1.19%)
Last: 10/17/2025, 8:04:00 PM
22.4 USD
0 (0%)
After Hours: 10/17/2025, 8:04:00 PM
AMTM Ownership Chart.AMTM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.AMTM Ownership.InsiderInstitutionalPublic



Shares Outstanding243.33M
Float151.85M
Float Short Interest Percentage5.63%
Owners (insider)0.56%
Owners (institutional)66.11%
Owners (insider) change0%
Owners (institutional) change0.22%
AMTM Institutional Ownership HistoryAMTM Institutional Ownership HistoryAMTM Institutional Ownership History Sep 2024 Dec 2024 Mar 2025 Jun 2025 Sep 2025 50M 100M 150M
AMTM Historical Insider Transactions ChartAMTM Historical Insider Buy and Sell Transactions ChartAMTM Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 -50M -100M -150M
Date Name Type Shares Price Amount
May 8, 2025 Lindsay Goldberg GP V LLC Other Aquisition 1132839 $ 0.00
May 8, 2025 Lindsay Goldberg IV L.P. Other Aquisition 1132839 $ 0.00
May 8, 2025 Lindsay Goldberg IV - A L.P. Other Aquisition 1132839 $ 0.00
May 8, 2025 Lindsay Goldberg IV - PCF L.P. Other Aquisition 1132839 $ 0.00
May 8, 2025 Lindsay Goldberg Co-Inv. IV L.P. Other Aquisition 1132839 $ 0.00
May 8, 2025 Amentum Joint Venture GP LLC Other Disposition 2433022 0.00 $ 0.00
May 8, 2025 Amentum Joint Venture LP Other Disposition 2433022 0.00 $ 0.00
May 8, 2025 Lindsay Goldberg Employee Co-Inv. IV L.P. Other Aquisition 1132839 $ 0.00
May 8, 2025 LG Co-Inv. A L.P. Other Aquisition 1132839 $ 0.00
May 8, 2025 Lindsay Goldberg V L.P. Other Aquisition 1132839 $ 0.00
May 8, 2025 Lindsay Goldberg Maverick Co-Inv. L.P. Other Aquisition 1132839 $ 0.00
May 8, 2025 LG Amentum Holdings GP LLC Other Aquisition 1132839 $ 0.00
May 8, 2025 LG Amentum Holdings LP Other Aquisition 1132839 $ 0.00
May 8, 2025 GOLDBERG ALAN E Other Aquisition 1132839 $ 0.00
May 8, 2025 Goldberg 2014 LLC Other Aquisition 1132839 $ 0.00
May 8, 2025 Goldberg 2020 LLC Other Aquisition 1132839 $ 0.00
May 8, 2025 LG GP Holding IV LLC Other Aquisition 1132839 $ 0.00
May 8, 2025 LG GP Holding V LLC Other Aquisition 1132839 $ 0.00
May 8, 2025 Lindsay Goldberg GP IV LLC Other Aquisition 1132839 $ 0.00
Apr 7, 2025 Amentum Joint Venture GP LLC Grant 2433022 0.00 $ 0.00
Apr 7, 2025 Amentum Joint Venture LP Grant 2433022 0.00 $ 0.00
Mar 13, 2025 JACOBS SOLUTIONS INC. Other Disposition 19464174 $ 0.00
Mar 13, 2025 JACOBS ENGINEERING GROUP INC /DE/ Other Disposition 19464174 $ 0.00
Mar 5, 2025 IRELAND SUSAN LESLIE Option Excercise 3447 $ 0.00
Mar 5, 2025 Vollmer John C. Option Excercise 3447 $ 0.00
Mar 5, 2025 Brooks Vincent K Option Excercise 3447 $ 0.00
Mar 5, 2025 Rowland Sandra E. Option Excercise 3447 $ 0.00
Mar 5, 2025 EBERHART RALPH E Option Excercise 3447 $ 0.00
Mar 3, 2025 Arnette Stephen A Option Excercise 1751 $ 0.00
Mar 3, 2025 Arnette Stephen A Option Excercise 517 19.37 $ 10,012.52
Feb 18, 2025 Loughran Barbara Open Market Purchase 4600 21.23 $ 97,635.00
Feb 12, 2025 DEMETRIOU STEVEN J. Open Market Purchase 100000 20.81 $ 2,080,700.00
Dec 17, 2024 Amentum Joint Venture GP LLC Other Disposition 90021804 0.00 $ 0.00
Dec 17, 2024 Amentum Joint Venture LP Other Disposition 90021804 0.00 $ 0.00