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Atkore Inc.

ATKR
Exchange
NYSE
Industry
Miscellaneous Electrical Machinery, Equipment & Supplies
SEC CIK
0001666138

In the last 90 days, Atkore Inc. insiders filed 0 open-market purchases and 1 sale; 326 institutions reported holding it in 13F filings for Q2 2026, worth $2.50B in total; Chou Associates is the only superinvestor holding it.

13F holders, Q3 2025

Institutional positions in Atkore Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
300
+9 vs. Q2 2025
Shares held
32.3M
−474.4K (−1.4%) vs. Q2 2025
Total value
$2.03B
−$294.6M (−12.7%) vs. Q2 2025
New holders
56
84 more added
Sold out
47
121 more reduced

6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATKR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 300 institutions
Q1 2021: 239 institutionsQ2 2021: 255 institutionsQ3 2021: 274 institutionsQ4 2021: 312 institutionsQ1 2022: 325 institutionsQ2 2022: 319 institutionsQ3 2022: 300 institutionsQ4 2022: 370 institutionsQ1 2023: 396 institutionsQ2 2023: 408 institutionsQ3 2023: 413 institutionsQ4 2023: 446 institutionsQ1 2024: 457 institutionsQ2 2024: 454 institutionsQ3 2024: 371 institutionsQ4 2024: 331 institutionsQ1 2025: 297 institutionsQ2 2025: 297 institutionsQ3 2025: 300 institutionsQ4 2025: 308 institutionsQ1 2026: 304 institutionsQ2 2026: 326 institutions
Value heldQ3 2025: $2.03B
Q1 2021: $3.25BQ2 2021: $3.13BQ3 2021: $3.81BQ4 2021: $4.77BQ1 2022: $4.12BQ2 2022: $3.39BQ3 2022: $3.21BQ4 2022: $4.47BQ1 2023: $5.40BQ2 2023: $6.04BQ3 2023: $5.79BQ4 2023: $6.28BQ1 2024: $7.55BQ2 2024: $5.34BQ3 2024: $3.11BQ4 2024: $3.11BQ1 2025: $2.01BQ2 2025: $2.32BQ3 2025: $2.03BQ4 2025: $2.03BQ1 2026: $1.91BQ2 2026: $2.50B
Institutions holding ATKR and their total value by quarter
QuarterHoldersValue
Q2 2026326$2.50B
Q1 2026304$1.91B
Q4 2025308$2.03B
Q3 2025300$2.03B
Q2 2025297$2.32B
Q1 2025297$2.01B
Q4 2024331$3.11B
Q3 2024371$3.11B
Q2 2024454$5.34B
Q1 2024457$7.55B
Q4 2023446$6.28B
Q3 2023413$5.79B
Q2 2023408$6.04B
Q1 2023396$5.40B
Q4 2022370$4.47B
Q3 2022300$3.21B
Q2 2022319$3.39B
Q1 2022325$4.12B
Q4 2021312$4.77B
Q3 2021274$3.81B
Q2 2021255$3.13B
Q1 2021239$3.25B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Atkore Inc.; share changes are against Q2 2025.

Institutions holding ATKR in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc3,632,594$227.9M0.00%+273,466+8.1%Added
Gates Capital Management, Inc.2,944,048$184.7M5.72%+315,859+12.0%Added
BlackRock, Inc.2,611,382$163.8M0.00%−62,719−2.3%Reduced
First Trust Advisors LP1,167,383$73.2M0.05%−590,414−33.6%Reduced
American Century Companies Inc1,158,103$72.7M0.04%+144,844+14.3%Added
Dimensional Fund Advisors LP1,036,079$65.0M0.01%+18,951+1.9%Added
Victory Capital Management Inc1,003,812$63.0M0.04%−7,962−0.8%Reduced
LSV Asset Management907,600$56.9M0.13%+19,800+2.2%Added
Harding Loevner LP895,998$56.2M0.41%−442,164−33.0%Reduced
State Street Corp834,977$52.4M0.00%−38,550−4.4%Reduced
Geode Capital Management, LLC800,666$50.2M0.00%−5,726−0.7%Reduced
Hill City Capital, LP728,206$45.7M1.93%+728,206New
Allspring Global Investments Holdings, LLC695,631$44.6M0.07%−266,121−27.7%Reduced
Goldman Sachs Group Inc609,131$38.2M0.01%+339,874+126.2%Added
Jefferies Financial Group Inc.582,168$36.5M0.33%+582,168New
Royal Bank of Canada482,315$30.3M0.01%+439,585+1,028.8%Added
Charles Schwab Investment Management Inc458,859$28.8M0.00%−30,443−6.2%Reduced
London Co of Virginia430,422$27.0M0.15%−23,481−5.2%Reduced
Arrowstreet Capital, Limited Partnership427,235$26.8M0.02%+123,150+40.5%Added
Gendell Jeffrey L418,146$26.2M0.48%+268,041+178.6%Added
Northern Trust Corp388,730$24.4M0.00%−19,984−4.9%Reduced
Mirae Asset Global ETFs Holdings Ltd.343,035$21.5M0.03%+4,114+1.2%Added
Jacobs Levy Equity Management, Inc338,120$21.2M0.08%+338,120New
River Road Asset Management, LLC336,274$21.1M0.24%−456,153−57.6%Reduced
Morgan Stanley332,994$20.9M0.00%+8,418+2.6%Added
Bank of America Corp326,071$20.5M0.00%−124,115−27.6%Reduced
Canada Pension Plan Investment Board316,400$19.9M0.01%+225,200+246.9%Added
Swedbank AB296,206$18.6M0.02%00.0%Unchanged
JPMorgan Chase & Co295,838$18.6M0.00%−239,324−44.7%Reduced
Voloridge Investment Management, LLC253,313$15.9M0.05%−69,058−21.4%Reduced
Bridgeway Capital Management, LLC252,982$15.9M0.34%+252,982New
UBS Group AG238,035$14.9M0.00%+2,145+0.9%Added
Bank of New York Mellon Corp235,466$14.8M0.00%−9,210−3.8%Reduced
Deutsche Bank AG232,176$14.6M0.00%+121,345+109.5%Added
Wellington Management Group LLP213,868$13.4M0.00%−69,300−24.5%Reduced
Nuveen, LLC202,317$12.7M0.00%+15,064+8.0%Added
Pacer Advisors, Inc.195,117$12.2M0.03%−77,040−28.3%Reduced
Two Sigma Investments, LP180,998$11.4M0.02%+113,757+169.2%Added
Hotchkis & Wiley Capital Management LLC166,560$10.4M0.03%+14,260+9.4%Added
Marshall Wace, LLP151,623$9.51M0.01%+78,592+107.6%Added
D. E. Shaw & Co., Inc.151,292$9.49M0.01%+84,437+126.3%Added
Thompson Siegel & Walmsley LLC144,352$9.06M0.15%+8,423+6.2%Added
DnB Asset Management AS139,328$8.74M0.03%+14,473+11.6%Added
Empowered Funds, LLC135,882$8.53M0.09%+102,302+304.7%Added
Verition Fund Management LLC125,766$7.89M0.05%+125,766New
Federated Hermes, Inc.121,031$7.59M0.01%−194,219−61.6%Reduced
Cambria Investment Management, L.P.115,479$7.25M0.44%+15,013+14.9%Added
Rock Point Advisors, LLC108,541$6.81M1.80%+22,203+25.7%Added
Nordea Investment Management AB111,634$6.74M0.01%+4,401+4.1%Added
UBS Asset Management Americas Inc102,830$6.45M0.00%−47,794−31.7%Reduced
Balyasny Asset Management LLC100,805$6.32M0.01%+100,805New
Wells Fargo & Company99,338$6.23M0.00%−52,226−34.5%Reduced
Citadel Advisors LLC98,490$6.18M0.00%+13,423+15.8%Added
Jane Street Group, LLC95,329$5.98M0.01%+16,676+21.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys94,000$5.90M0.03%00.0%Unchanged
North Growth Management Ltd.93,000$5.82M1.01%+12,000+14.8%Added
Invesco Ltd.88,273$5.54M0.00%+22,571+34.4%Added
Ameriprise Financial Inc85,895$5.39M0.00%−115,439−57.3%Reduced
BNP Paribas Arbitrage, SA85,079$5.34M0.00%+67,666+388.6%Added
Russell Investments Group, Ltd.84,157$5.28M0.01%+5,645+7.2%Added
Kestrel Investment Management Corp77,350$4.85M2.74%00.0%Unchanged
Universal- Beteiligungs- und Servicegesellschaft mbH73,656$4.62M0.01%−7,117−8.8%Reduced
Raymond James Financial Inc67,441$4.23M0.00%−27,923−29.3%Reduced
Edentree Asset Management Ltd65,450$4.10M0.99%−16,350−20.0%Reduced
Swiss National Bank65,300$4.10M0.00%−400−0.6%Reduced
Holocene Advisors, LP64,342$4.04M0.01%+7,735+13.7%Added
Allianz SE62,273$3.91M0.08%00.0%Unchanged
Macquarie Group Ltd60,675$3.81M0.00%−724,446−92.3%Reduced
Barclays PLC55,963$3.51M0.00%−18,946−25.3%Reduced
Qube Research & Technologies Ltd55,496$3.48M0.00%−48,607−46.7%Reduced
AQR Capital Management LLC54,582$3.42M0.00%−62,581−53.4%Reduced
Millennium Management LLC53,419$3.35M0.00%+25,166+89.1%Added
Algert Global LLC53,054$3.33M0.06%+7,540+16.6%Added
Denali Advisors LLC53,000$3.33M0.38%−260.0%Reduced
Rhumbline Advisers52,174$3.27M0.00%−1,818−3.4%Reduced
Ruffer LLP44,841$2.81M0.16%+44,841New
CacheTech Inc.44,370$2.78M0.56%+3,190+7.7%Added
CastleKnight Management LP42,200$2.65M0.14%−21,000−33.2%Reduced
Two Sigma Advisers, LP41,900$2.63M0.01%+41,900New
Yaupon Capital Management LP41,236$2.59M0.13%+41,236New
O'Shaughnessy Asset Management, LLC41,002$2.57M0.02%+22,208+118.2%Added
Adams Wealth Management40,506$2.54M0.54%−674−1.6%Reduced
Alliancebernstein L.P.39,362$2.47M0.00%+302+0.8%Added
Legal & General Group Plc38,167$2.39M0.00%−3,123−7.6%Reduced
Allianz Asset Management GmbH37,695$2.36M0.00%+29,495+359.7%Added
Ausbil Investment Management Ltd36,603$2.35M1.25%+3,834+11.7%Added
Engineers Gate Manager LP36,103$2.27M0.03%−5,782−13.8%Reduced
DRW Securities, LLC35,597$2.24M0.12%+35,597New
Mitsubishi UFJ Trust & Banking Corp35,715$2.24M0.00%−2,073−5.5%Reduced
Price T Rowe Associates Inc35,420$2.22M0.00%+1,155+3.4%Added
Susquehanna International Group, LLP35,195$2.21M0.00%−31,693−47.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund34,100$2.14M0.00%+34,100New
Prudential Financial Inc33,907$2.13M0.00%+20,030+144.3%Added
Twelve Points Wealth Management LLC33,236$2.09M0.52%−237−0.7%Reduced
California State Teachers Retirement System31,122$1.95M0.00%−1,945−5.9%Reduced
Teacher Retirement System of Texas30,707$1.93M0.01%+8,391+37.6%Added
Toroso Investments, LLC30,502$1.91M0.01%+1,739+6.0%Added
Omers Administration Corp28,379$1.78M0.01%+1,036+3.8%Added
Envestnet Asset Management Inc28,296$1.78M0.00%−5,013−15.0%Reduced
Kerrisdale Advisers, LLC28,074$1.76M0.91%+1,960+7.5%Added