AMENTUM HOLDINGS, INC. COM

Watch

Share

AMTM·023939101·US·Common Stock·Industrials - Specialty Business Services-13D/G

AMTM (AMENTUM HOLDINGS, INC. COM) is held by 166 institutional investors as of Q2 2026. Largest holders: Invesco Ltd. ($515.8M), BlackRock, Inc. ($370.1M), PRIMECAP MANAGEMENT CO/CA/ ($253.9M). Net institutional sentiment: Mixed.

166

Holders

(15 Elite)

$2.8B

Total Value

52% (172)

Consensus

89 buying - 83 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Loading verdict

Institutional (13F)56

Insider (Form 4)40

Activist (13D/13G)32

Congressional (STOCK Act)53

Holder Quality

84

★★★★★

Elite

26

★★★★

Strong

12

★★★

Solid

50

★★

Below

43

★

Weak

Held by 166 funds

15 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders May 7, 2026 · Activists Aug 6, 2026 · Congress none

ActivistPRIMECAP MANAGEMENT CO/CA/5.0%Aug 6, 2026

ActivistInvesco Ltd.10.1%May 7, 2026

InsiderAAArnette Stephen AExercise 14K shMay 6, 2026

Checking access…

View all insider tradesView all activist filings

Top Holders

Top Holders (166)History

AllNewIncreasedHeldDecreasedExited

Checking access…

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
Invesco Ltd.	Increased	25M(+16.2%)	$515.8M	0.0%	-17.26%	36
BlackRock, Inc.	Increased	17.9M(+0.4%)	$370.1M	0.0%	-3.38%	31
PRIMECAP MANAGEMENT CO/CA/	Increased	12.3M(+1.7%)	$253.9M	0.2%	-20.32%	37
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	7.9M(+1.2%)	$164.3M	0.0%	-21.93%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	6.7M(+0.9%)	$138.7M	0.0%	-21.98%	30
FMR LLC	Increased	5.7M(+1.8%)	$117.4M	0.0%	-5.59%	31
DIMENSIONAL FUND ADVISORS LP	Increased	5.5M(+46.2%)	$114.5M	0.0%	-21.17%	41
STATE STREET CORP	Increased	5.2M(+1.4%)	$106.5M	0.0%	-34.96%	30
FRONTIER CAPITAL MANAGEMENT CO LLC	Decreased	4.1M(-15.9%)	$85.7M	0.8%	-3.04%	0
GEODE CAPITAL MANAGEMENT, LLC	Decreased	2.7M(-3.5%)	$56.2M	0.0%	-30.33%	0
GOLDMAN SACHS GROUP INC	Increased	2.7M(+139.7%)	$56.1M	0.0%	-8.27%	47
MORGAN STANLEY	Increased	2.7M(+19.1%)	$55M	0.0%	-19.41%	35
MAMIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Decreased	2.3M(-16.8%)	$47.9M	0.1%	-16.83%	0
MILLENNIUM MANAGEMENT LLC	Increased	2.1M(+237.2%)	$44M	0.0%	-8.53%	47
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	2.1M(+2.5%)	$43.8M	0.0%	-21.06%	30
BANK OF AMERICA CORP /DE/	Decreased	2M(-15.1%)	$42.2M	0.0%	-17.07%	0
Verition Fund Management LLC	Increased	2M(+55.6%)	$41.7M	0.2%	-12.20%	49
VOYA INVESTMENT MANAGEMENT LLC	Increased	2M(+64.6%)	$40.8M	0.0%	-4.57%	42
UBS Group AG	Decreased	1.5M(-9.7%)	$31.9M	0.0%	-21.16%	0
LOOMIS SAYLES & CO L P	Decreased	1M(-3.6%)	$21.5M	0.0%	-6.70%	0

Showing 1-20 of 183

Per page:

1 / 10

AMTMAMENTUM HOLDINGS, INC. COM

1M3M6M1Y3Y5Y

Continue exploring

Smart money flow

Track where institutional capital is flowing

Discover new institutional entries

Fresh positions initiated this quarter

Check sector trends

Capital flows across GICS sectors

Other Industrials stocks held by institutions

GEVGE VERNOVA LLC

375 holders · $223.2B

GEGENERAL ELECTRIC CO COM STOCK

375 holders · $279.2B

UNPUNION PACIFIC CORP

372 holders · $127.4B

CATCATERPILLAR INC

365 holders · $316.6B

DEDEERE AND CO

358 holders · $111.7B

PHPARKER HANNIFIN CORP

358 holders · $96.7B

VRTVERTIV HOLDINGS CO-A

353 holders · $89.9B

RTXRAYTHEON TECHNOLOGIES CORP

351 holders · $186.5B

CMICUMMINS INC

349 holders · $74.8B

FDXFEDEX CORP

348 holders · $53.3B

High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer