298 institutions reported holding ATKR for 2026Q1, together 95% of the company, fewer than the 302 a quarter earlier. Institutions reporting a position: 298 (as of 2026Q1). Shares held by institutions: 32.3M, long US equity positions only, as reported on Form 13F. Reported value: $1.91B, at 2026-03-31 prices, not today's. Top 5 holders: 35%, of the whole company, between five filers.

ATKRAtkore Inc.

IndustrialsUSD

$93.65

$52.7752 weeks$93.88

Who owns ATKR

298 institutions reported holding ATKR for 2026Q1, together 95% of the company, fewer than the 302 a quarter earlier.

298

Institutions reporting a position · as of 2026Q1 · down from 302 the quarter before

Shares held by institutions: 32.3M
Shares held by institutions · 95% of the company · long US equity positions only, as reported on Form 13F
Reported value: $1.91B
Reported value · at 2026-03-31 prices, not today's
Top 5 holders: 35%
Top 5 holders · of the whole company, between five filers

Details›

Reporting quarter2026-03-31: 2026Q1
Quarters on record: 40
New positions: 45
Positions exited: 54
Added to: 99
Reduced: 89
Top 10 holdersof the company: 49%

Institutional ownership by quarter, 2016Q2 to 2026Q1
Quarter	Filers	Shares	Reported value
2026Q1	298	32.3M	$1.91B
2025Q4	302	32.0M	$2.03B
2025Q3	295	32.3M	$2.02B
2025Q2	291	32.7M	$2.32B
2025Q1	291	33.4M	$2.00B
2024Q4	328	37.3M	$3.11B
2024Q3	367	36.5M	$3.09B
2024Q2	451	39.6M	$5.37B
2024Q1	450	39.4M	$7.54B
2023Q4	438	39.0M	$6.24B
2023Q3	404	38.6M	$5.76B
2023Q2	404	38.7M	$6.03B
2023Q1	390	38.6M	$5.37B
2022Q4	368	39.4M	$4.47B
2022Q3	298	41.2M	$3.21B
2022Q2	315	40.7M	$3.38B

Largest reported holders, 2026Q1
Holder	Shares	% of company	Value
VANGUARD GROUP INC	3.9M	11%	$229M
Gates Capital Management, Inc.	2.7M	7.9%	$158M
BlackRock Inc.	2.6M	7.7%	$155M
AMERICAN CENTURY COMPANIES INC	1.4M	4.2%	$85M
DIMENSIONAL FUND ADVISORS LP	1.2M	3.6%	$72M
FIRST TRUST ADVISORS LP	1.2M	3.6%	$72M
LSV ASSET MANAGEMENT	1.1M	3.1%	$62M
Coliseum Capital Management, LLC	0.9M	2.8%	$56M
GEODE CAPITAL MANAGEMENT LLC	0.9M	2.5%	$50M
STATE STREET CORP	0.8M	2.5%	$49M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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