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Amentum Holdings, Inc.

AMTM
Exchange
NYSE
Industry
Services-Business Services, NEC
SEC CIK
0002011286

No open-market purchases or sales by Amentum Holdings, Inc. insiders were filed in the last 90 days; 464 institutions reported holding it in 13F filings for Q2 2026, worth $4.34B in total; Soros Fund Management is the only superinvestor holding it.

Q3 2024 vs. Q2 2024

How the institutions holding Amentum Holdings, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of AMTM: Q2 2024 compared with Q3 2024
MeasureQ2 2024Q3 2024Change
Holders0492+492
Shares0100.6M+100.6M
Value$0$3.23B+$3.23B

New holders (492)

Institutions that held Amentum Holdings, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Showing the largest 100 of 492 by value.

Institutions new to AMTM in Q3 2024
InstitutionSharesValue% of portfolio
Vanguard Group Inc14,013,274$451.9M0.01%
BlackRock, Inc.8,917,428$287.6M0.01%
Invesco Ltd.7,800,601$251.6M0.05%
State Street Corp7,327,308$236.3M0.01%
Primecap Management Co5,271,282$170.0M0.12%
Barrow Hanley Mewhinney & Strauss LLC3,225,967$104.0M0.34%
Geode Capital Management, LLC3,145,264$101.0M0.01%
Boston Partners2,983,146$95.8M0.11%
Ruane, Cunniff & Goldfarb L.P.2,530,489$81.6M1.28%
Allspring Global Investments Holdings, LLC2,430,975$78.4M0.12%
Macquarie Group Ltd1,852,880$59.8M0.06%
Bank of America Corp1,673,255$54.0M0.00%
Ninety One UK Ltd1,538,931$49.6M0.13%
Dimensional Fund Advisors LP1,259,348$40.5M0.01%
Massachusetts Financial Services Co1,228,298$39.6M0.01%
Simcoe Capital Management, LLC1,153,105$37.2M4.88%
Morgan Stanley1,026,949$33.1M0.00%
Ci Investments Inc.973,857$31.4M0.12%
Wellington Management Group LLP935,078$30.2M0.01%
Deutsche Bank AG934,082$30.1M0.01%
Neuberger Berman Group LLC890,474$28.7M0.02%
Cooper Creek Partners Management LLC837,670$27.0M0.87%
Mirae Asset Global ETFs Holdings Ltd.832,025$26.8M0.06%
Goldman Sachs Group Inc782,805$25.2M0.00%
Bank of New York Mellon Corp775,054$25.0M0.00%
Charles Schwab Investment Management Inc760,516$24.5M0.00%
FIL Ltd735,112$23.7M0.02%
Caisse de Depot Et Placement du Quebec718,039$23.2M0.05%
UBS Asset Management Americas Inc674,167$21.7M0.01%
Millennium Management LLC671,767$21.7M0.02%
Legal & General Group Plc659,700$21.3M0.01%
Thrivent Financial for Lutherans535,421$17.3M0.03%
First Trust Advisors LP514,562$16.6M0.02%
Citadel Advisors LLC481,033$15.5M0.02%
AQR Capital Management LLC639,326$15.3M0.02%
Renaissance Technologies LLC440,500$14.2M0.02%
Nuveen Asset Management, LLC436,524$14.1M0.00%
UBS Group AG426,564$13.8M0.00%
Ameriprise Financial Inc413,033$13.3M0.00%
Agf Management Ltd365,376$11.8M0.06%
Sessa Capital IM, L.P.354,699$11.4M0.44%
Madison Avenue Partners, LP383,218$11.1M1.03%
Thompson Siegel & Walmsley LLC342,242$11.0M0.17%
Royal Bank of Canada333,296$10.7M0.00%
Two Sigma Investments, LP321,096$10.4M0.02%
Envestnet Asset Management Inc318,115$10.1M0.00%
Swiss National Bank312,800$10.1M0.01%
Todd Asset Management LLC307,663$9.92M0.23%
American Century Companies Inc287,886$9.28M0.01%
Colony Group, LLC275,140$8.87M0.03%
Wells Fargo & Company272,118$8.78M0.00%
JPMorgan Chase & Co270,969$8.74M0.00%
California Public Employees Retirement System256,237$8.26M0.01%
SEI Investments Co243,716$7.86M0.01%
Williams Jones Wealth Management, LLC.223,803$7.22M0.08%
Rhumbline Advisers221,858$7.15M0.01%
California State Teachers Retirement System216,601$6.99M0.01%
Victory Capital Management Inc212,150$6.84M0.01%
Teachers Retirement System of the State of Kentucky212,085$6.84M0.06%
Waters Parkerson & Co., LLC203,578$6.57M0.33%
Natixis Advisors, L.P.200,665$6.47M0.01%
Korea Investment CORP197,972$6.38M0.02%
Campbell Newman Asset Management Inc193,208$6.23M0.47%
Canada Pension Plan Investment Board188,032$6.06M0.01%
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.187,975$6.06M0.01%
Mesirow Financial Investment Management, Inc.185,990$6.00M0.12%
Two Sigma Advisers, LP184,900$5.96M0.01%
Price T Rowe Associates Inc174,558$5.63M0.00%
Fort Baker Capital Management LP167,490$5.40M0.90%
HSBC Holdings PLC175,788$5.31M0.00%
Lazard Asset Management LLC204,047$5.24M0.01%
Barclays PLC159,813$5.15M0.00%
Hutchinson Capital Management148,572$4.79M0.91%
Northern Trust Corp148,513$4.79M0.00%
Principal Financial Group Inc145,574$4.69M0.00%
Alliancebernstein L.P.142,646$4.60M0.00%
Kovitz Investment Group Partners, LLC135,026$4.30M0.03%
State Board of Administration of Florida Retirement System132,514$4.27M0.01%
United Capital Financial Advisers, LLC130,560$4.21M0.03%
Washington Trust Advisors, Inc.128,198$4.13M0.36%
Lathrop Investment Management Corp127,169$4.10M0.76%
Tower Bridge Advisors125,662$4.05M0.42%
Wealth Enhancement Advisory Services, LLC121,080$3.90M0.01%
State of Tennessee, Treasury Department118,655$3.83M0.01%
Adage Capital Partners GP, L.L.C.118,027$3.81M0.01%
New York State Teachers Retirement System116,135$3.75M0.01%
La Banque Postale Asset Management SA115,535$3.73M0.06%
Citigroup Inc114,850$3.70M0.00%
State of Wisconsin Investment Board110,257$3.56M0.01%
F/M Investments LLC109,887$3.54M0.12%
Janus Henderson Group PLC117,059$3.50M0.00%
Mackenzie Financial Corp104,687$3.38M0.00%
LPL Financial LLC104,145$3.36M0.00%
Eastern Bank103,115$3.33M0.06%
Everett Harris & Co101,793$3.28M0.04%
Sterling Capital Management LLC93,230$3.01M0.04%
North Growth Management Ltd.93,000$3.00M0.56%
Neville Rodie & Shaw Inc89,977$2.90M0.21%
Telos Capital Management, Inc.88,292$2.85M0.30%
D. E. Shaw & Co., Inc.86,390$2.79M0.00%

Sold out (0)

Institutions that held Amentum Holdings, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

None.