Does Arrowstreet Capital own ATKR stock?

Yes. As of its Q2 2026 13F, Arrowstreet Capital holds 482,239 shares of ATKR (Atkore), worth $36.7M.

How many shares of ATKR does Arrowstreet Capital own?

As of its Q2 2026 13F, Arrowstreet Capital holds 482,239 shares of ATKR (Atkore).

As of its Q2 2026 13F, Arrowstreet Capital's ATKR position is worth $36.7M.

In Q2 2026, Arrowstreet Capital reduced its ATKR position by 215,895 shares (-30.9%).

Arrowstreet Capital already held ATKR in its Q4 2018 13F, the earliest on record, and has listed it in 28 quarterly 13F filings.

Position history for ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's holdings in ATKORE INC

Current Value

$36.7M

Current Shares

482,239

Total Value Change

+$35M

Total Shares Change

+399,084

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	482,239	-30.9%	$36.7M	0.0%	$75.77	0
2026-Q1	Decreased	698,134	-0.9%	$41.1M	0.0%	$58.44	0
2025-Q4	Increased	704,668	+64.9%	$44.6M	0.0%	$62.44	43
2025-Q3	Increased	427,235	+40.5%	$26.8M	0.0%	$61.62	38
2025-Q2	New	304,085	-	$21.5M	0.0%	$68.89	39
2024-Q3	Exited	0	-100.0%	$0	0.0%	$81.70	0
2024-Q2	Decreased	211,366	-17.7%	$28.5M	0.0%	$129.67	0
2024-Q1	Decreased	256,963	-21.1%	$48.9M	0.0%	$182.55	0
2023-Q4	Increased	325,541	+14.5%	$52.1M	0.1%	$153.11	33
2023-Q3	Increased	284,286	+1.7%	$42.4M	0.1%	$142.76	30
2023-Q2	Decreased	279,630	-36.5%	$43.6M	0.1%	$149.22	0
2023-Q1	Decreased	440,022	-23.1%	$61.8M	0.1%	$134.43	0
2022-Q4	Increased	571,822	+3.6%	$64.9M	0.1%	$108.54	31
2022-Q3	Increased	551,724	+8.5%	$42.9M	0.1%	$74.46	32
2022-Q2	Decreased	508,605	-23.7%	$42.2M	0.1%	$79.43	0
2022-Q1	Decreased	666,832	-2.9%	$65.6M	0.1%	$94.20	0
2021-Q4	Increased	686,585	+0.2%	$76.3M	0.1%	$106.40	30
2021-Q3	Increased	685,043	+1.1%	$59.5M	0.1%	$83.18	30
2021-Q2	Increased	677,443	+1.8%	$48.1M	0.1%	$67.94	30
2021-Q1	Decreased	665,643	-0.6%	$47.9M	0.1%	$68.80	0
2020-Q4	Decreased	669,643	-1.9%	$27.5M	0.0%	$39.34	0
2020-Q3	Decreased	682,243	-0.5%	$15.5M	0.0%	$21.75	0
2020-Q2	Decreased	685,967	-5.9%	$18.8M	0.0%	$26.17	0
2020-Q1	Decreased	728,743	-8.1%	$15.4M	0.0%	$20.16	0
2019-Q4	Increased	793,307	+37.3%	$32.1M	0.1%	$38.72	38
2019-Q3	Increased	577,849	+54.8%	$17.5M	0.0%	$29.04	40
2019-Q2	Increased	373,266	+63.7%	$9.7M	0.0%	$24.76	40
2019-Q1	Increased	227,987	+174.2%	$4.9M	0.0%	$20.60	43
2018-Q4	First report	83,155	-	$1.6M	0.0%	$18.99	0