AMTM

Amentum Holdings Inc

Latest period2026 - Q1Total superinvestors489

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2025-Q4 and 2026-Q1. According to the most recent SEC 13F filing, 489 superinvestors own shares of Amentum Holdings Inc (AMTM), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Amentum Holdings Inc (AMTM), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Amentum Holdings Inc (AMTM) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Amentum Holdings Inc (AMTM) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Eric L. Schondorf@American Securities Llc
Recent Activity
29.88%
$1.174B
45.027M shares@ 26.08 avg price
Robert R. Leveille@Invesco Ltd.
Recent Activity
Decreased -1.64%
0.09%
$560.036M
21.474M shares@ 26.09 avg price
Spencer Fleming@Blackrock, Inc.
Recent Activity
Increased 2.19%
0.01%
$465.301M
17.841M shares@ 26.09 avg price
Jorge Antonio Rodriguez@Primecap Management Co Ca
Recent Activity
Decreased -0.34%
0.25%
$315.184M
12.085M shares@ 26.09 avg price
Matthew Sgro@Legacy Advisors, Llc
Recent Activity
Decreased -7.64%
1.07%
$9.064M
9.064M shares@ 1.0 avg price
Christine M. Buchanan@Vanguard Portfolio Management Llc
Recent Activity
New Position
0.02%
$204.805M
7.853M shares@ 26.08 avg price
Christine M. Buchanan@Vanguard Capital Management Llc
Recent Activity
New Position
0.01%
$173.455M
6.651M shares@ 26.08 avg price
Stephanie J. Brown@Fmr Llc
Recent Activity
Decreased -16.83%
0.01%
$145.484M
5.578M shares@ 26.09 avg price
ELIZABETH SCHAEFER@State Street Corp
Recent Activity
Increased 0.35%
0.01%
$132.461M
5.079M shares@ 26.08 avg price
Robert E. Phay, Jr.@Frontier Capital Management Co Llc
Recent Activity
Decreased -14.59%
1.33%
$128.58M
4.93M shares@ 26.09 avg price

1-10 of 489