Amentum Holdings, Inc. - Common Stock (AMTM)

CUSIP: 023939101

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
243,042,143
Total 13F shares
193,974,866
Share change
+334,980
Total reported value
$5,626,538,314
Put/Call ratio
43%
Price per share
$29.00
Number of holders
476
Value change
+$53,148,412
Number of buys
197
Number of sells
217

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 Q4 2025

As of 31 Dec 2025, Amentum Holdings, Inc. - Common Stock (AMTM) was held by 476 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 193,974,866 shares. The largest 10 holders included AMERICAN SECURITIES LLC, Invesco Ltd., BlackRock, Inc., VANGUARD GROUP INC, PRIMECAP MANAGEMENT CO/CA/, FMR LLC, FRONTIER CAPITAL MANAGEMENT CO LLC, STATE STREET CORP, Focus Partners Wealth, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 476 institutional shareholders reporting positions in this security for the Q4 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.