ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in IIIN — Insteel Industries Inc

CIK 1164508 BOSTON, MA

Position in IIIN

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

Position Value

$2,543,335

+$311,487 QoQ

Shares Held

75,672

+7.4% QoQ

Ownership

0.389%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

21 quarters on record

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

Industrials · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $338,281,252 across 8 Metal Fabrication names. IIIN ranks #7 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATI	Ati Inc	1,203,726	$175,093,983
2	MLI	Mueller Industries Inc	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 This page	75,672	$2,543,335
8	TG	Tredegar Corp	259,483	$2,062,889

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,543,335	75,672	+7.4%	Shares	Defined	2026-05-14
2025-12-31	$2,231,848	70,472	-35.3%	Shares	Defined	2026-02-13
2025-09-30	$4,178,216	108,978	-11.9%	Shares	Defined	2025-11-13
2025-06-30	$4,601,649	123,667	+28.9%	Shares	Defined	2025-08-13
2025-03-31	$2,523,879	95,965	+82.3%	Shares	Defined	2025-05-14
2024-12-31	$1,421,941	52,645	-64.9%	Shares	Defined	2025-02-12
2024-09-30	$4,659,396	149,868	-12.5%	Shares	Defined	2024-11-14
2024-06-30	$5,303,974	171,317	-18.0%	Shares	Defined	2024-08-14
2024-03-31	$7,989,126	209,030	+48.3%	Shares	Defined	2024-05-15
2023-12-31	$5,395,865	140,921	+87.9%	Shares	Defined	2024-02-14
2023-09-30	$2,433,818	74,979	+138.5%	Shares	Defined	2023-11-14
2022-06-30	$1,058,618	31,441	-75.8%	Shares	Defined	2022-08-15
2022-03-31	$4,806,258	129,934	-13.6%	Shares	Defined	2022-05-13
2021-12-31	$5,989,932	150,463	-12.7%	Shares	Defined	2022-02-14
2021-09-30	$6,554,797	172,268	+23.8%	Shares	Defined	2021-11-12
2021-06-30	$4,474,251	139,168	+44.1%	Shares	Defined	2021-08-13
2021-03-31	$2,977,416	96,544	-20.4%	Shares	Defined	2021-05-14
2020-12-31	$2,700,371	121,256	-4.3%	Shares	Defined	2021-02-12
2020-09-30	$2,368,467	126,656	+65.5%	Shares	Defined	2020-11-12
2020-06-30	$1,459,255	76,521	+354.1%	Shares	Defined	2020-08-12
2020-03-31	$223,275	16,851	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.