ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in MLI — Mueller Industries Inc

CIK 1164508 BOSTON, MA

Position in MLI

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$84,582,891

-$5,138,360 QoQ

Shares Held

1,526,767

-2.3% QoQ

Ownership

1.38%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 92.18119071213879.ToString("F0")% Shared 0.ToString("F0")% None 7.818809287861213.ToString("F0")%

Industrials · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $338,281,252 across 8 Metal Fabrication names. MLI ranks #2 (25.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATI	Ati Inc	1,203,726	$175,093,983
2	MLI	Mueller Industries Inc This page	1,526,767	$84,582,891
3	PRLB	Proto Labs Inc	463,780	$26,444,735
4	WOR	Worthington Enterprises, Inc.	480,515	$25,054,052
5	RYZ	Ryerson Holding Corp	852,933	$19,173,933
6	MEC	Mayville Engineering Company, Inc.	185,261	$3,325,434
7	IIIN	Insteel Industries Inc	75,672	$2,543,335
8	TG	Tredegar Corp	259,483	$2,062,889

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$84,582,891	1,526,767	-2.3%	Shares	Defined	2026-05-14
2025-12-31	$89,721,251	1,563,088	+36.8%	Shares	Defined	2026-02-13
2025-09-30	$57,756,256	1,142,444	+26.9%	Shares	Defined	2025-11-13
2025-06-30	$35,778,466	900,427	-8.5%	Shares	Defined	2025-08-13
2025-03-31	$37,471,653	984,283	+16.6%	Shares	Defined	2025-05-14
2024-12-31	$33,501,308	844,287	+59.8%	Shares	Defined	2025-02-12
2024-09-30	$19,569,513	528,192	+37.7%	Shares	Defined	2024-11-14
2024-06-30	$10,919,668	383,550	+46.6%	Shares	Defined	2024-08-14
2024-03-31	$7,052,965	261,560	+112.6%	Shares	Defined	2024-05-15
2023-12-31	$2,900,998	123,054	+4680.7%	Shares	Defined	2024-02-14
2023-06-30	$56,164	2,574	-98.0%	Shares	Defined	2023-08-14
2023-03-31	$2,332,622	126,980	-18.4%	Shares	Defined	2023-05-15
2022-12-31	$2,295,439	155,623	-12.8%	Shares	Defined	2023-02-14
2022-09-30	$2,651,187	178,411	+72.2%	Shares	Defined	2022-11-14
2022-06-30	$1,380,184	103,598	-70.8%	Shares	Defined	2022-08-15
2022-03-31	$4,799,123	354,375	-30.0%	Shares	Defined	2022-05-13
2021-12-31	$7,517,454	506,567	-12.7%	Shares	Defined	2022-02-14
2021-09-30	$5,963,250	580,365	+1.7%	Shares	Defined	2021-11-12
2021-06-30	$6,178,994	570,676	+21.2%	Shares	Defined	2021-08-13
2021-03-31	$4,868,269	470,933	-1.6%	Shares	Defined	2021-05-14
2020-12-31	$4,199,647	478,456	+2.8%	Shares	Defined	2021-02-12
2020-09-30	$3,149,486	465,556	+5.4%	Shares	Defined	2020-11-12
2020-06-30	$2,936,133	441,856	-10.2%	Shares	Defined	2020-08-12
2020-03-31	$2,945,894	492,213	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.