AQR CAPITAL MANAGEMENT LLC

Position in MEC — Mayville Engineering Company, Inc.

CIK 1167557 Greenwich, CT

Position in MEC

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

Position Value

$365,872

-$231,443 QoQ

Shares Held

20,383

-36.1% QoQ

Ownership

0.099%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2022

8 quarters on record

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

Industrials · as of Mar 31, 2026

AQR CAPITAL MANAGEMENT LLC holds $872,514,331 across 12 Metal Fabrication names. MEC ranks #12 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CRS	Carpenter Technology Corp	724,420	$285,530,137
2	MLI	Mueller Industries Inc	4,877,511	$270,214,105
3	ATI	Ati Inc	1,222,580	$177,836,484
4	CMC	COMMERCIAL METALS Co	1,608,477	$98,808,738
5	ESAB	ESAB Corp	233,934	$22,612,057
6	RYZ	Ryerson Holding Corp	266,603	$5,993,232
7	WOR	Worthington Enterprises, Inc.	60,922	$3,176,470
8	PRLB	Proto Labs Inc	55,117	$3,142,769

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$365,872	20,383	-36.1%	Shares	Other	2026-05-15
2025-12-31	$597,315	31,908	-46.4%	Shares	Other	2026-02-17
2025-09-30	$819,268	59,540	+134.6%	Shares	Other	2025-11-14
2025-06-30	$404,967	25,374	-63.7%	Shares	Defined	2025-08-14
2025-03-31	$937,532	69,809	-2.6%	Shares	Defined	2025-05-15
2024-12-31	$1,126,227	71,643	+321.2%	Shares	Other	2025-02-14
2024-09-30	$358,591	17,011	+63.8%	Shares	Other	2024-11-14
2022-03-31	$97,335	10,388	—	Shares	Defined	2022-05-16
No filing history on record for this holder in this stock.