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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, Q4 2025

Institutional positions in Atkore Inc. as of Dec 31, 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
308
+12 vs. Q3 2025
Shares held
32.0M
−275.6K (−0.9%) vs. Q3 2025
Total value
$2.03B
+$3.06M (+0.2%) vs. Q3 2025
New holders
61
94 more added
Sold out
49
106 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 308 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 heldQ4 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, Q4 2025

Shares, value and share of portfolio for each institution holding Atkore Inc.; share changes are against Q3 2025.

Institutions holding ATKR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc3,635,940$230.0M0.00%+3,346+0.1%Added
Gates Capital Management, Inc.2,733,147$172.9M6.02%−210,901−7.2%Reduced
BlackRock, Inc.2,555,705$161.6M0.00%−55,677−2.1%Reduced
First Trust Advisors LP1,385,741$87.6M0.06%+218,358+18.7%Added
American Century Companies Inc1,253,549$79.3M0.04%+95,446+8.2%Added
Dimensional Fund Advisors LP1,130,477$71.5M0.01%+94,398+9.1%Added
LSV Asset Management960,450$60.7M0.13%+52,850+5.8%Added
State Street Corp827,521$52.3M0.00%−7,456−0.9%Reduced
Coliseum Capital Management, LLC809,305$51.2M4.19%+809,305New
Geode Capital Management, LLC802,214$50.7M0.00%+1,548+0.2%Added
Earnest Partners LLC783,738$49.6M0.21%+783,738New
Harding Loevner LP732,753$46.3M0.41%−163,245−18.2%Reduced
Hill City Capital, LP728,206$46.1M1.74%00.0%Unchanged
Arrowstreet Capital, Limited Partnership704,668$44.6M0.03%+277,433+64.9%Added
Victory Capital Management Inc492,316$31.1M0.02%−511,496−51.0%Reduced
Bank of America Corp419,685$26.5M0.00%+93,614+28.7%Added
London Co of Virginia411,729$26.0M0.15%−18,693−4.3%Reduced
Charles Schwab Investment Management Inc410,971$26.0M0.00%−47,888−10.4%Reduced
JPMorgan Chase & Co397,146$25.1M0.00%+101,308+34.2%Added
Morgan Stanley396,507$25.1M0.00%+63,513+19.1%Added
Gendell Jeffrey L387,201$24.5M0.43%−30,945−7.4%Reduced
Goldman Sachs Group Inc383,841$24.3M0.00%−225,290−37.0%Reduced
Northern Trust Corp363,649$23.0M0.00%−25,081−6.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.351,287$22.2M0.03%+8,252+2.4%Added
New York State Common Retirement Fund345,828$21.9M0.03%+318,514+1,166.1%Added
Canada Pension Plan Investment Board329,100$20.8M0.01%+12,700+4.0%Added
Jacobs Levy Equity Management, Inc323,719$20.5M0.08%−14,401−4.3%Reduced
Adage Capital Partners GP, L.L.C.297,000$18.8M0.03%+297,000New
Swedbank AB296,206$18.7M0.02%00.0%Unchanged
Bank of New York Mellon Corp235,771$14.9M0.00%+305+0.1%Added
Bridgeway Capital Management, LLC231,611$14.6M0.31%−21,371−8.4%Reduced
Two Sigma Investments, LP219,331$13.9M0.02%+38,333+21.2%Added
SEI Investments Co205,918$13.0M0.01%+181,885+756.8%Added
Wells Fargo & Company201,588$12.8M0.00%+102,250+102.9%Added
Nuveen, LLC193,517$12.2M0.00%−8,800−4.3%Reduced
Jane Street Group, LLC193,444$12.2M0.01%+98,115+102.9%Added
Voloridge Investment Management, LLC192,810$12.2M0.04%−60,503−23.9%Reduced
Wellington Management Group LLP188,262$11.9M0.00%−25,606−12.0%Reduced
Pacer Advisors, Inc.178,188$11.3M0.03%−16,929−8.7%Reduced
Allspring Global Investments Holdings, LLC162,343$10.5M0.02%−533,288−76.7%Reduced
Hotchkis & Wiley Capital Management LLC155,724$9.85M0.03%−10,836−6.5%Reduced
Federated Hermes, Inc.154,541$9.77M0.02%+33,510+27.7%Added
Citadel Advisors LLC147,661$9.34M0.01%+49,171+49.9%Added
DnB Asset Management AS146,184$9.25M0.03%+6,856+4.9%Added
ExodusPoint Capital Management, LP124,624$7.88M0.09%+124,624New
D. E. Shaw & Co., Inc.113,145$7.16M0.01%−38,147−25.2%Reduced
Invesco Ltd.103,765$6.56M0.00%+15,492+17.6%Added
UBS Asset Management Americas Inc101,372$6.41M0.00%−1,458−1.4%Reduced
Nordea Investment Management AB97,609$6.16M0.01%−14,025−12.6%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys94,000$5.95M0.03%00.0%Unchanged
North Growth Management Ltd.94,000$5.93M0.93%+1,000+1.1%Added
Norges Bank89,623$5.67M0.00%+89,623New
Ameriprise Financial Inc85,928$5.43M0.00%+330.0%Added
Qube Research & Technologies Ltd85,170$5.39M0.01%+29,674+53.5%Added
Rock Point Advisors, LLC85,002$5.38M1.35%−23,539−21.7%Reduced
Russell Investments Group, Ltd.83,744$5.30M0.01%−413−0.5%Reduced
Hudson Bay Capital Management LP81,490$5.15M0.03%+81,490New
Kestrel Investment Management Corp74,650$4.72M2.68%−2,700−3.5%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH73,456$4.65M0.01%−200−0.3%Reduced
DekaBank Deutsche Girozentrale22,580$4.48M0.01%00.0%Unchanged
Balyasny Asset Management LLC68,423$4.33M0.01%−32,382−32.1%Reduced
Two Sigma Advisers, LP67,300$4.26M0.01%+25,400+60.6%Added
Swiss National Bank66,400$4.20M0.00%+1,100+1.7%Added
Deutsche Bank AG65,994$4.17M0.00%−166,182−71.6%Reduced
Thompson Siegel & Walmsley LLC65,458$4.14M0.07%−78,894−54.7%Reduced
Envestnet Asset Management Inc64,517$4.08M0.00%+36,221+128.0%Added
Healthcare of Ontario Pension Plan Trust Fund63,000$3.98M0.01%+28,900+84.8%Added
Allianz SE62,273$3.94M0.05%00.0%Unchanged
Barclays PLC61,865$3.91M0.00%+5,902+10.5%Added
BNP Paribas Arbitrage, SA61,643$3.90M0.00%−23,436−27.5%Reduced
Man Group plc61,024$3.86M0.01%+35,692+140.9%Added
Nomura Asset Management International Inc.60,462$3.82M0.01%+60,462New
Denali Advisors LLC55,000$3.48M0.39%+2,000+3.8%Added
O'Shaughnessy Asset Management, LLC54,721$3.46M0.02%+13,719+33.5%Added
Edentree Asset Management Ltd54,550$3.45M1.06%−10,900−16.7%Reduced
UBS Group AG50,716$3.21M0.00%−187,319−78.7%Reduced
Raymond James Financial Inc50,661$3.20M0.00%−16,780−24.9%Reduced
AQR Capital Management LLC49,668$3.14M0.00%−4,914−9.0%Reduced
CacheTech Inc.47,076$2.98M0.55%+2,706+6.1%Added
Marshall Wace, LLP47,051$2.98M0.00%−104,572−69.0%Reduced
Walleye Capital LLC46,755$2.96M0.02%+41,085+724.6%Added
Rhumbline Advisers44,506$2.81M0.00%−7,668−14.7%Reduced
CastleKnight Management LP42,200$2.67M0.15%00.0%Unchanged
Adams Wealth Management40,726$2.58M0.55%+220+0.5%Added
Willis Investment Counsel39,351$2.49M0.13%+27,698+237.7%Added
Legal & General Group Plc36,544$2.31M0.00%−1,623−4.3%Reduced
Allianz Asset Management GmbH36,438$2.30M0.00%−1,257−3.3%Reduced
Isthmus Partners, LLC36,232$2.29M0.25%+1,383+4.0%Added
Alliancebernstein L.P.35,060$2.22M0.00%−4,302−10.9%Reduced
Millennium Management LLC33,230$2.10M0.00%−20,189−37.8%Reduced
CSM Advisors, LLC33,012$2.09M0.06%+33,012New
Price T Rowe Associates Inc32,783$2.07M0.00%−2,637−7.4%Reduced
SG Americas Securities, LLC32,023$2.02M0.00%+27,794+657.2%Added
California State Teachers Retirement System31,874$2.02M0.00%+752+2.4%Added
Caxton Associates LLP31,520$1.99M0.04%+31,520New
Omers Administration Corp31,451$1.99M0.01%+3,072+10.8%Added
Franklin Resources Inc31,420$1.99M0.00%+30,229+2,538.1%Added
Teacher Retirement System of Texas31,199$1.97M0.01%+492+1.6%Added
Susquehanna International Group, LLP29,749$1.88M0.00%−5,446−15.5%Reduced
Mitsubishi UFJ Trust & Banking Corp28,896$1.83M0.00%−6,819−19.1%Reduced