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Amentum
AMTM
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Overview
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Options
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News
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Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
62.23%
VC/PE firms
36.86%
Individuals & Insiders
0.74%
Public and others
0.12%
State-owned enterprises
0.05%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
Lindsay Goldberg LLC
18.43%
45.03M
0.05%
+0
11/30/2025
American Securities LLC
18.43%
45.03M
0.05%
+0
03/31/2026
Invesco Ltd.
9.10%
22.24M
1.63%
+4.02M
04/30/2026
PRIMECAP Management Company
4.95%
12.09M
0.03%
-41.63K
03/31/2026
Vanguard Portfolio Management, LLC
3.21%
7.85M
--
+7.85M
03/31/2026
Vanguard Capital Management, LLC
2.72%
6.65M
--
+6.65M
03/31/2026
FMR LLC
2.25%
5.51M
0.47%
-1.13M
03/31/2026
State Street Global Advisors, Inc.
2.08%
5.08M
<0.01%
+17.42K
03/31/2026
Frontier Capital Management Co LLC
2.02%
4.93M
0.35%
-842.77K
03/31/2026
Dimensional Fund Advisors LP
1.55%
3.79M
0.80%
+1.95M
03/31/2026
Invesco Capital Management LLC
1.33%
3.26M
0.50%
+1.22M
03/31/2026
Geode Capital Management, LLC
1.15%
2.81M
0.06%
+155.05K
03/31/2026
Mirae Asset Global Investments Co., Ltd.
1.14%
2.79M
<0.01%
+0
06/30/2026
Focus Partners Wealth, LLC
1.07%
2.60M
0.08%
-189.51K
03/31/2026
Norges Bank Investment Management
0.94%
2.29M
<0.01%
+0
12/31/2025
BlackRock, Inc.
0.94%
2.29M
6.38%
-15.55M
04/30/2026
Thrivent Investment Management Inc.
0.86%
2.10M
0.01%
+31.35K
03/31/2026
Arvin Capital Management LP
0.85%
2.07M
0.18%
+434.71K
03/31/2026
Charles Schwab Investment Management, Inc.
0.85%
2.07M
<0.01%
+0
06/30/2026
UBS Asset Management AG
0.80%
1.96M
0.61%
+1.50M
03/31/2026