Amentum Holdings, Inc. - Common Stock (AMTM)

CUSIP: 023939101

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock
Shares outstanding
243,042,143
Total 13F shares
193,380,844
Share change
-6,925,185
Total reported value
$4,630,241,431
Put/Call ratio
75%
Price per share
$23.95
Number of holders
457
Value change
-$164,141,118
Number of buys
179
Number of sells
241

Quarterly Holders Quick Answers

What is CUSIP 023939101?
CUSIP 023939101 identifies AMTM - Amentum Holdings, Inc. - Common Stock in SEC institutional holdings data.

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Institutional Holders of Amentum Holdings, Inc. - Common Stock (AMTM) as of Q3 2025

As of 30 Sep 2025, Amentum Holdings, Inc. - Common Stock (AMTM) was held by 457 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 193,380,844 shares. The largest 10 holders included AMERICAN SECURITIES LLC, Invesco Ltd., BlackRock, Inc., VANGUARD GROUP INC, PRIMECAP MANAGEMENT CO/CA/, STATE STREET CORP, FMR LLC, FRONTIER CAPITAL MANAGEMENT CO LLC, Kovitz Investment Group Partners, LLC, and THOMPSON SIEGEL & WALMSLEY LLC. This page lists 457 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.