Companies / Amentum Holdings, Inc. / Institutional holders

Amentum Holdings, Inc.

Institutional holders · 13F as of Dec 31, 2025

Holder	Value	Shares	% of shares
AMERICAN SECURITIES LLC	$1.31B	45,026,743	18.42%
Invesco Ltd.	$633.19M	21,834,003	8.93%
VANGUARD GROUP INC	$446.94M	15,411,745	6.30%
BlackRock, Inc.	$370.14M	17,906,984	7.32%
PRIMECAP MANAGEMENT CO/CA	$351.68M	12,126,927	4.96%
FMR LLC	$194.51M	6,707,304	2.74%
FRONTIER CAPITAL MANAGEMENT CO.,LLC	$167.42M	5,772,976	2.36%
STATE STREET CORPORATION	$106.49M	5,151,772	2.11%
Focus Partners Wealth	$81.04M	2,794,417	1.14%
GEODE CAPITAL MANAGEMENT, LLC	$73.42M	2,814,415	1.15%
Ruane, Cunniff & Goldfarb L.P.	$69.43M	2,394,129	0.98%
Norges Bank	$66.53M	2,294,097	0.94%
Morgan Stanley	$60.19M	2,075,352	0.85%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	$56.90M	1,961,927	0.80%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$56.61M	1,952,002	0.80%
Dimensional Fund Advisors LP	$53.16M	1,832,926	0.75%
Arvin Capital Management LP	$47.46M	1,636,492	0.67%
FIL Limited	$41.45M	1,429,384	0.58%
BRIGHTLINE CAPITAL MANAGEMENT, LLC	$40.37M	1,392,000	0.57%
ExodusPoint Capital Management, LP	$34.34M	1,184,186	0.48%
BANK OF AMERICA CORP /DE	$33.57M	1,157,427	0.47%
Loomis, Sayles & Co., L.P.	$32.45M	1,118,930	0.46%
VOYA INVESTMENT MANAGEMENT LLC	$31.28M	1,199,491	0.49%
NORTHERN TRUST CORP	$27.64M	952,977	0.39%
CACTI ASSET MANAGEMENT LLC	$25.75M	881,692	0.36%
Verition Fund Management LLC	$25.09M	865,172	0.35%
683 CAPITAL MANAGEMENT, LLC	$24.21M	835,000	0.34%
Bank of New York Mellon Corp/The	$23.70M	908,599	0.37%
Nuveen, LLC	$23.60M	813,774	0.33%
TWO SIGMA INVESTMENTS, LP	$23.48M	900,177	0.37%
AVENIR CORP	$21.94M	841,099	0.34%
Point72 Asset Management, L.P.	$20.16M	695,287	0.28%
Principal Financial Group Inc	$19.42M	744,728	0.30%
THE GOLDMAN SACHS GROUP, INC.	$18.68M	644,158	0.26%
Gotham Asset Management, LLC	$18.43M	635,430	0.26%
Penn Capital Management Company, LLC	$18.15M	694,352	0.28%
SEGRA CAPITAL MANAGEMENT, LLC	$17.54M	604,810	0.25%
Millennium Management LLC	$16.46M	631,055	0.26%
NEW YORK STATE COMMON RETIREMENT FUND	$15.52M	535,218	0.22%
ROYCE & ASSOCIATES LP	$14.36M	495,286	0.20%
PUBLIC SECTOR PENSION INVESTMENT BOARD	$14.34M	549,797	0.22%
Hyperion Capital Advisors LP	$14.26M	491,872	0.20%
MOORE CAPITAL MANAGEMENT, LP	$13.78M	475,314	0.19%
WELLS FARGO & COMPANY/MN	$13.48M	464,739	0.19%
AQR Capital Management, LLC	$13.17M	507,843	0.21%
Russell Investments Group, Ltd.	$12.67M	437,016	0.18%
Ancora Advisors LLC	$11.67M	402,346	0.16%
Vident Advisory, LLC	$11.09M	382,540	0.16%
CI INVESTMENTS INC.	$10.96M	420,068	0.17%
Legal & General Group Plc	$10.69M	368,605	0.15%