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Disclosery

AMTM AMENTUM HOLDINGS INC

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Stock (common), issuer CIK 2011286

454 managers (462 13F filers) reported a position in AMTM shares at 2025-09-30, 193,426,519 shares in all. 74 filers opened a position and 70 filers sold out during the quarter.

Managers
454
13F filers
462
New
74
Added
104
Reduced
179
Sold out
70
Shares held by filers
193,426,519

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Cambridge Investment Research Advisors,…17,662$423K<0.01%-51713F-HRTimeline
DOVER ADVISORS, LLC17,285$414K0.16%new13F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…17,172$411K<0.01%-2,20713F-HRTimelineGroup
Intrinsic Value Partners, LLC16,679$399K0.32%013F-HRTimeline
LEAVELL INVESTMENT MANAGEMENT, INC.16,137$386K0.02%-113F-HRTimeline
CWM, LLCin group CWM, LLC15,546$372K<0.01%-1,93613F-HRTimelineGroup
Summit Financial, LLC15,187$364K0.01%new13F-HRTimeline
Granite Investment Partners, LLC14,758$353K0.02%-5,21513F-HRTimeline
Entropy Technologies, LP14,570$349K0.03%-11,59713F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC14,425$345K<0.01%new13F-HRTimelineGroup
First Bank & Trust14,228$341K0.06%+18513F-HRTimeline
FIRST MANHATTAN CO. LLC.14,200$340K<0.01%-1,23513F-HRTimeline
HighTower Advisors, LLC14,002$335K<0.01%-85613F-HRTimeline
CIBC Asset Management Inc13,980$335K<0.01%-1213F-HRTimeline
EVERGREEN CAPITAL MANAGEMENT LLC13,863$332K0.01%+2,66713F-HRTimeline
TOTH FINANCIAL ADVISORY CORP13,716$328K0.04%+3,35813F-HRTimeline
DAVENPORT & Co LLC13,645$327K<0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…13,525$324K<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…13,507$323K<0.01%-41713F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC13,056$313K0.01%-213F-HRTimeline
CAHABA WEALTH MANAGEMENT, INC.12,076$289K0.02%-2,39613F-HRTimeline
WOLVERINE TRADING, LLC12,469$285K0.01%new13F-HRTimeline
SFMG, LLC11,652$279K0.02%013F-HRTimeline
COMMERCE BANKin group COMMERCE BANK11,534$276K<0.01%-1,84713F-HRTimelineGroup
BCS Private Wealth Management, Inc.11,424$274K0.1%new13F-HRTimeline
Lipe & Dalton11,128$267K0.13%-7413F-HRTimeline
Quantessence Capital LLC10,879$261K0.08%new13F-HRTimeline
iSAM Funds (UK) Ltdin group iSAM Funds (UK) Ltd10,848$260K0.05%new13F-HRTimelineGroup
SILVERCREST ASSET MANAGEMENT GROUP LLC10,636$255K<0.01%-1713F-HRTimeline
Advyzon Investment Management, LLC10,481$251K0.04%new13F-HRTimeline
Grantham, Mayo, Van Otterloo & Co. LLC10,457$250K<0.01%new13F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC10,449$250K0.02%new13F-HRTimeline
BROWN ADVISORY INCin group BROWN ADVISORY INC10,151$243K<0.01%-45713F-HRTimelineGroup
Allworth Financial LP10,054$241K<0.01%-20213F-HRTimeline
Sterling Capital Management LLC9,961$239K<0.01%-1,03213F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC9,789$234K<0.01%-49613F-HRTimelineGroup
SHUFRO ROSE & CO LLC12,554$228K0.02%-8013F-HRTimeline
FourThought Financial Partners, LLC9,379$225K0.02%new13F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.9,181$220K0.03%+4,60213F-HRTimeline
ARS Investment Partners, LLC9,000$216K0.01%new13F-HRTimeline
Badgley Phelps Wealth Managers, LLC8,971$215K<0.01%-3,90313F-HRTimeline
SYON CAPITAL LLC8,727$209K0.01%-2513F-HRTimeline
PFG Investments, LLC8,702$208K0.01%-2,58113F-HRTimeline
Aberdeen Wealth Management LLC8,643$207K0.13%-84813F-HRTimeline
M&T Bank Corpin group M&T Bank Corp8,531$204K<0.01%-1,68813F-HRTimelineGroup
Coastal Bridge Advisors, LLC8,505$204K0.02%-51,90813F-HRTimeline
Washington Trust Advisors, Inc.8,263$198K0.02%-2,11613F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD8,094$194K<0.01%013F-HRTimeline
CX Institutional8,075$193K0.01%-14113F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.7,954$190K<0.01%new13F-HRTimelineGroup
Smithfield Trust Co7,890$189K0.01%013F-HRTimeline
Arax Advisory Partners7,760$186K<0.01%+6,92413F-HRTimeline
BOK Financial Private Wealth, Inc.7,088$170K0.01%-2,27913F-HRTimeline
KBC Group NVin group KBC Group NV6,126$147K<0.01%013F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…5,691$136K<0.01%new13F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.5,300$127K<0.01%+2,06113F-HRTimelineGroup
GAMMA Investing LLC5,021$120K0.01%+57813F-HRTimeline
WHITTIER TRUST CO3,999$104K<0.01%+213F-HRTimeline
UMB Bank, n.a.4,168$99.8K<0.01%+4713F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Parallel Advisors, LLC4,164$99.7K<0.01%-1613F-HRTimeline
Essential Partners LLC3,999$95.8K0.03%-4313F-HRTimeline
MAI Capital Management3,890$93.2K<0.01%-36913F-HRTimeline
STRS OHIO3,807$91.2K<0.01%+213F-HRTimeline
Aster Capital Management (DIFC) Ltd2,931$70.2K0.04%new13F-HRTimeline
Farther Finance Advisors, LLC2,892$69.3K<0.01%+4413F-HRTimeline
State of Wyoming2,796$67K0.01%+3813F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…2,655$63.6K<0.01%new13F-HRTimelineGroup
Advisory Services Network, LLC2,542$60.9K<0.01%new13F-HRTimeline
Point72 Hong Kong Ltd2,469$59.1K<0.01%new13F-HRTimeline
FNY Investment Advisers, LLC2,400$57K0.02%013F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…2,340$56K<0.01%+1613F-HRTimelineGroup
SIGNATUREFD, LLC2,198$52.6K<0.01%-4313F-HRTimeline
LORING WOLCOTT & COOLIDGE FIDUCIARY ADV…2,174$50.4K<0.01%013F-HRTimeline
Smartleaf Asset Management LLC2,142$48.9K<0.01%+32813F-HRTimeline
Plante Moran Financial Advisors, LLC1,990$47.7K<0.01%013F-HRTimeline
Vermillion & White Wealth Management Gr…1,905$45.6K0.03%new13F-HRTimeline
Heartwood Wealth Advisors LLC1,892$45.3K<0.01%new13F-HRTimeline
Federation des caisses Desjardins du Qu…1,845$44.2K<0.01%-33413F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC1,821$44K<0.01%+34113F-HRTimelineGroup
Asset Planning,Inc1,793$42.9K0.03%013F-HRTimeline
Wealthspire Advisors, LLC1,734$41.5K<0.01%new13F-HRTimeline
CENTRAL TRUST Co1,534$36.7K<0.01%-41813F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp1,475$35.3K<0.01%+40013F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding1,449$34.7K-108,277Timeline
Global Retirement Partners, LLC1,406$33.7K<0.01%-1113F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/1,378$33.3K<0.01%-39013F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,372$32.9K<0.01%-14813F-HRTimelineGroup
MATHER GROUP, LLC.1,349$32.3K<0.01%new13F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …1,310$31K<0.01%-9713F-HRTimelineGroup
HM PAYSON & CO1,226$29.4K<0.01%013F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO1,208$28.9K<0.01%013F-HRTimelineGroup
Blue Trust, Inc.1,204$28.8K<0.01%+64813F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC1,081$28.1K<0.01%013F-HRTimeline
Korea Investment CORP1,166$27.9K<0.01%-2,82013F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management1,134$27.2K<0.01%+26313F-HRTimelineGroup
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…1,029$24.6K<0.01%+7213F-HRTimelineGroup
Sound Income Strategies, LLC938$22.4K<0.01%new13F-HRTimeline
Clearstead Advisors, LLC917$22K<0.01%-313F-HRTimeline
Quent Capital, LLC825$19.8K<0.01%new13F-HRTimeline
Strategic Wealth Partners, Ltd.819$19.6K<0.01%013F-HRTimeline
BDF-GESTION803$19.2K<0.01%-16813F-HRTimeline
Root Financial Partners, LLC793$19K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…778$18.6K<0.01%-3,57513F-HRTimelineGroup
Chung Wu Investment Group, LLC744$17.8K0.01%-9,00013F-HRTimeline
Salomon & Ludwin, LLC657$17K<0.01%new13F-HRTimeline
First Command Advisory Services, Inc.695$16.6K<0.01%013F-HRTimeline
Pinnacle Bancorp, Inc.684$16.4K<0.01%-48613F-HRTimeline
Evolution Advisers, Inc.636$16K0.01%013F-HRTimeline
Quarry LP666$16K<0.01%-3,67113F-HRTimeline
TD Waterhouse Canada Inc.579$14.6K<0.01%+513F-HRTimeline
NewEdge Advisors, LLC601$14.4K<0.01%-313F-HRTimeline
Parkside Financial Bank & Trust589$14.1K<0.01%+14113F-HRTimeline
PRIVATE TRUST CO NA566$13.6K<0.01%+813F-HRTimeline
Steward Partners Investment Advisory, L…556$13.3K<0.01%-65413F-HRTimeline
Parvin Asset Management, LLC543$13K0.01%+25013F-HRTimeline
N.E.W. Advisory Services LLC542$13K<0.01%013F-HRTimeline
Y.D. More Investments Ltdin group Y.D. More Investments Ltd520$12.5K<0.01%-25913F-HRTimelineGroup
Mendota Financial Group, LLC515$12.3K0.01%013F-HRTimeline
Global Wealth Strategies & Associates493$11.8K<0.01%013F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC484$11.6K<0.01%013F-HRTimeline
Colonial Trust Advisorsin group Colonial Trust Advisors483$11.6K<0.01%+11013F-HRTimelineGroup
BankPlus Trust Departmentin group BankPlus Trust Department444$10.6K<0.01%-3413F-HRTimelineGroup
Covestor Ltd409$10K0.01%-413F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD381$9.12K<0.01%-24013F-HRTimelineGroup
Murphy & Mullick Capital Management Corp376$9.01K0.01%013F-HRTimeline
OPTIMUM INVESTMENT ADVISORS372$8.91K<0.01%013F-HRTimeline
CHESAPEAKE ASSET MANAGEMENT LLC369$8.84K0.01%013F-HRTimeline
Winch Advisory Services, LLC365$8.74K<0.01%013F-HRTimeline
Versant Capital Management, Inc342$8.19K<0.01%+16813F-HRTimeline
LRI Investments, LLC332$7.95K<0.01%013F-HRTimeline
IFP Advisors, Inc326$7.81K<0.01%+3713F-HR/ATimeline
Moisand Fitzgerald Tamayo, LLC314$7.52K<0.01%013F-HRTimeline
CoreCap Advisors, LLC308$7.38K<0.01%-1413F-HRTimeline
Rossby Financial, LCC288$7.25K<0.01%013F-HRTimeline
Larson Financial Group LLC283$6.78K<0.01%-713F-HRTimeline
Golden State Wealth Management, LLC272$6.51K<0.01%+10613F-HRTimeline
Steigerwald, Gordon & Koch Inc.272$6.51K<0.01%new13F-HRTimeline
OAKWORTH CAPITAL, INC.271$6.49K<0.01%013F-HRTimeline
THURSTON, SPRINGER, MILLER, HERD & TITA…265$6.35K0.01%-88413F-HRTimeline
Glen Eagle Advisors, LLC232$5.56K<0.01%-5413F-HRTimeline
DT Investment Partners, LLC230$5.51K<0.01%013F-HRTimeline
Financial Management Professionals, Inc.228$5.46K<0.01%013F-HRTimeline
Perkins Coie Trust Co219$5.24K<0.01%013F-HRTimeline
OLD SECOND NATIONAL BANK OF AURORA212$5.08K<0.01%013F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC200$4.79K<0.01%new13F-HRTimelineGroup
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK197$4.72K<0.01%-7113F-HRTimelineGroup
BELLEVUE ASSET MANAGEMENT, LLC197$4.72K<0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB195$4.67K<0.01%013F-HRTimeline
Sachetta, LLC194$4.65K<0.01%013F-HRTimeline
Cromwell Holdings LLC184$4.41K<0.01%+1313F-HRTimeline
Medallion Wealth Advisors, LLC180$4.31K<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…176$4.21K<0.01%013F-HRTimelineGroup
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…170$4.07K<0.01%013F-HRTimelineGroup
Geneos Wealth Management Inc.170$4.07K<0.01%+5913F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.170$4K<0.01%013F-HRTimeline
Atlantic Edge Private Wealth Management…164$3.93K<0.01%013F-HRTimeline
TD PRIVATE CLIENT WEALTH LLC145$3.47K<0.01%-2113F-HRTimeline
Ramirez Asset Management, Inc.142$3.4K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC140$3.35K<0.01%-113F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.137$3.28K<0.01%+10213F-HRTimelineGroup
McIlrath & Eck, LLC136$3.26K<0.01%013F-HRTimeline
GPS Wealth Strategies Group, LLC133$3.19K<0.01%-1013F-HRTimeline
ORG Partners LLC130$3.11K<0.01%013F-HRTimeline
Hemington Wealth Management135$3K<0.01%013F-HRTimeline
2UniFi Bank122$2.92K<0.01%-18913F-HRTimeline
Roxbury Financial LLC118$2.83K<0.01%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC116$2.78K<0.01%+4913F-HRTimelineGroup
Grove Bank & Trust108$2.59K<0.01%013F-HRTimeline
GODSEY & GIBB, INC106$2.54K<0.01%013F-HRTimeline
HARBOR INVESTMENT ADVISORY, LLC106$2.54K<0.01%013F-HRTimeline
TruNorth Capital Management, LLC106$2.54K<0.01%new13F-HRTimeline
Private Wealth Management Group, LLC106$2.54K<0.01%013F-HRTimeline
Crews Bank & Trust100$2.4K<0.01%-80313F-HRTimeline
EVERMAY WEALTH MANAGEMENT LLC99$2.37K<0.01%013F-HRTimeline
Rosenberg Matthew Hamilton99$2.37K<0.01%013F-HRTimeline
Hilltop National Bank98$2.35K<0.01%013F-HRTimeline
Wiser Advisor Group LLC92$2.21K<0.01%new13F-HRTimeline
Asset Dedication, LLC92$2.2K<0.01%013F-HRTimeline
Ameritas Advisory Services, LLCin group Ameritas Investment Partners,…88$2.11K<0.01%new13F-HRTimelineGroup
Anchor Investment Management, LLC87$2.08K<0.01%013F-HRTimeline
Capital Analysts, LLCin group Capital Analysts, LLC78$2K<0.01%013F-HRTimelineGroup
Centerpoint Advisors, LLC69$2K<0.01%013F-HRTimeline
Aventus Investment Advisors, Inc.81$1.94K<0.01%-213F-HRTimeline
FIRST FINANCIAL CORP /IN/79$1.89K<0.01%013F-HRTimeline
Minot DeBlois Advisors LLC79$1.89K<0.01%013F-HRTimeline
Rakuten Securities, Inc.in group Rakuten Group, Inc.74$1.77K<0.01%-23413F-HRTimelineGroup
True Wealth Design, LLC66$1.58K<0.01%013F-HRTimeline
Hughes Financial Services, LLC68$1.55K<0.01%013F-HRTimeline
High Note Wealth, LLC63$1.51K<0.01%013F-HRTimeline
Bell Investment Advisors, Inc60$1.44K<0.01%-2913F-HRTimeline
EASTERN BANK59$1.41K<0.01%-913F-HRTimeline
BROWN, LISLE/CUMMINGS, INC.53$1.27K<0.01%013F-HRTimeline
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU…53$1.27K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.45$1.08K<0.01%-1113F-HRTimeline
RMG Wealth Management LLC43$970<0.01%013F-HRTimeline
Clearstead Trust, LLC40$958<0.01%013F-HRTimeline
Bruce G. Allen Investments, LLC40$958<0.01%013F-HRTimeline
Kozak & Associates, Inc.44$946<0.01%-6113F-HRTimeline
North Star Investment Management Corp.39$934<0.01%013F-HRTimeline
MV CAPITAL MANAGEMENT, INC.36$863<0.01%+213F-HRTimeline