VANGUARD PORTFOLIO MANAGEMENT LLC

Position in AGX — Argan Inc

CIK 2100121 MALVERN, PA

Position in AGX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$281,923,911

New position

Shares Held

517,624

first reported quarter

Ownership

3.69%

of shares outstanding

% of Portfolio

1.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Industrials · as of Mar 31, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $4,075,830,852 across 3 Engineering & Construction names. AGX ranks #2 (6.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PWR	Quanta Services, Inc.	6,871,038	$3,772,337,282
2	AGX	Argan Inc This page	517,624	$281,923,911
3	AMRC	Ameresco, Inc.	845,869	$21,569,659

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$281,923,911	517,624	—	Shares	Defined	2026-05-15
No filing history on record for this holder in this stock.