Who Owns ATKORE INC (ATKR)? -- Institutional Holders (2026-06-30)

92 institutions reported holding $148.4M of ATKORE INC (ATKR) in SEC 13F filings for 2026-06-30. Largest institutional holders: Oslo Pensjonsforsikring AS ($28.7M), Boston Partners ($27.9M), NEW YORK STATE COMMON RETIREMENT FUND ($25.9M), Swedbank AB ($22.5M), KESTREL INVESTMENT MANAGEMENT CORP ($5.6M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Oslo Pensjonsforsikring AS$28.7M377,000Hold
2Boston Partners$27.9M367,806New
3NEW YORK STATE COMMON RETIREMENT FUND$25.9M341,215Trimmed
4Swedbank AB$22.5M296,206Hold
5KESTREL INVESTMENT MANAGEMENT CORP$5.6M74,150Hold
6ENVESTNET ASSET MANAGEMENT INC$5.1M66,747Trimmed
7OPPENHEIMER ASSET MANAGEMENT INC.$3.0M39,010Trimmed
8ISTHMUS PARTNERS, LLC$2.9M38,120Added
9Ausbil Investment Management Ltd$2.5M35,147Added
10Linden Thomas Advisory Services, LLC$2.2M28,856Added
11EASTERLY INVESTMENT PARTNERS LLC$1.8M23,110Trimmed
12CITIGROUP INC$1.7M22,191Added
13Aviance Capital Partners, LLC$1.6M20,672Trimmed
14WINCAP FINANCIAL LLC$1.5M19,855Added
15STRS OHIO$1.1M14,700New
16State of New Jersey Common Pension Fund D$1.0M13,708Trimmed
17Morningstar Investment Management LLC$950,21816,130Hold
18Walleye Trading LLC$884,49711,632New
19SEB Asset Management AB$877,88011,545Hold
20ARGA Investment Management, LP$866,93211,401Hold
21Unison Advisors LLC$862,90211,348Added
22Diversified Investment Strategies, LLC$832,63810,950Added
23Police & Firemen's Retirement System of New Jersey$768,08010,101Added
24Atria Investments, Inc$725,9549,547Added
25SummerHaven Investment Management, LLC$709,4539,330Hold

Source: SEC Form 13F filings · as of 2026-06-30