ATKORE INC (ATKR) Institutional Ownership Changes & 13F Activity

ATKORE INC (ATKR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Gates Capital Management, Inc., T. Rowe Price Investment Management, Inc., Irenic Capital Management Lp, Jacobs Levy Equity Management, Inc, and Canyon Capital Advisors Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Envestnet Asset Management IncSell-5,954-8.2%66,747$5.08MQ2 2026Sep 23, 2026
State Street CorpBuy+71,265+8.5%906,421$68.92MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheBuy+1,463+9.2%17,293$1.31MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+728+1456.0%778$59.16KQ2 2026Sep 04, 2026
Allianz Asset Management GmbhBuy+59,901+49.1%181,838$13.83MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemSell-1,248-3.1%38,455$2.92MQ2 2026Aug 24, 2026
Empowered Funds, LlcBuy+70,496+52.8%204,012$15.51MQ2 2026Aug 17, 2026
Hill City Capital, LpSell-4,100-0.6%724,106$55.06MQ2 2026Aug 17, 2026
Jefferies Financial Group Inc.Sell-3,337-19.9%13,400$1.02MQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcSell-54-96.4%2$152.00Q2 2026Aug 17, 2026
Gates Capital Management, Inc.Sell-975,526-36.3%1,710,192$130.04MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+647,881—647,881$49.27MQ2 2026Aug 14, 2026
Irenic Capital Management LpBuy+493,636+3531.8%507,613$38.60MQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncBuy+175,986+51.3%519,275$39.49MQ2 2026Aug 14, 2026
Canyon Capital Advisors LlcSell-165,300-54.2%139,700$10.62MQ2 2026Aug 14, 2026
Canada Pension Plan Investment BoardSell-144,262-58.4%102,900$7.82MQ2 2026Aug 14, 2026
Harding Loevner LpSell-137,670-19.5%567,192$43.13MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+113,413—113,413$8.62MQ2 2026Aug 14, 2026
Aventail Capital Group, LpBuy+94,600—94,600$7.19MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+93,910—93,910$7.14MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+84,178+137.4%145,448$11.06MQ2 2026Aug 14, 2026
Pdt Partners, LlcBuy+75,085+64.6%191,253$14.54MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+70,553—70,553$5.36MQ2 2026Aug 14, 2026
Edentree Asset Management LtdSell-53,000-97.2%1,550$117.86KQ2 2026Aug 14, 2026
Man Group PlcSell-51,748-34.4%98,582$7.50MQ2 2026Aug 14, 2026
Engineers Gate Manager LpBuy+50,141+723.5%57,071$4.34MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+49,751—49,751$3.78MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+49,131+13.9%402,131$30.58MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+45,021+774.9%50,831$3.87MQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Buy+42,615+8.0%575,607$43.77MQ2 2026Aug 14, 2026
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Frequently asked questions about ATKR activity

  • Which institutional owners are buying ATKR?

    Institutional owners buying ATKR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ATKR activity?

    "Buy" means an investor increased their reported position in ATKR compared to the prior reporting period. This reflects growing exposure to ATKORE INC (ATKR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ATKR increasing?

    Institutional interest in ATKR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.