ATKORE INC (ATKR): Institutional Ownership

Hedge funds and institutional managers reporting a position in ATKR · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
23
13F filers
Aggregate Value
$87.5M
Across holders
Last Price
$77.83
2026-06-26
Sector
Industrials
GICS
Holder activity10 new5 added7 reduced
Institutional Holders of ATKR
23 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund353K$20.8M23.8%0.0%Added+$7.9MQ1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund297K$18.8M21.5%0.0%NewQ4 2025
Man Group plc
CIK 0001637460
Hedge Fund150K$8.9M10.1%0.0%Added+$5.3MQ1 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund147K$8.7M9.9%0.0%Added+$3.6MQ1 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund125K$7.9M9.0%0.1%NewQ4 2025
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund73K$6.1M6.9%0.0%NewQ4 2024
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund51K$3.0M3.4%0.0%Added+$3.0MQ1 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund47K$2.7M3.1%0.0%Reduced$-1.3MQ1 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund31K$1.8M2.1%0.0%NewQ1 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund27K$1.6M1.8%0.0%Reduced$-1.3MQ1 2026
CAXTON ASSOCIATES LLP
CIK 0002051323
Hedge Fund25K$1.5M1.7%0.0%Reduced$-391KQ1 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund21K$1.2M1.4%0.0%NewQ1 2026
MAVERICK CAPITAL LTD
CIK 0000934639
Hedge Fund14K$1.0M1.2%0.0%NewQ2 2025
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund12K$871K1.0%0.0%NewQ2 2025
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund11K$685K0.8%0.0%NewQ4 2025
Verition Fund Management LLC
CIK 0001454027
Hedge Fund7K$459K0.5%0.0%NewQ4 2025
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager7K$404K0.5%0.0%Reduced$-12KQ1 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund6K$358K0.4%0.0%Added+$193KQ1 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund5K$276K0.3%0.0%Reduced$-728KQ1 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager4K$264K0.3%0.0%Reduced$-24KQ1 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$20.8M· 23.8% of total· 0.0% port· 353K sh· +$7.9M QoQ· Q1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.New
Hedge Fund
$18.8M· 21.5% of total· 0.0% port· 297K sh· QoQ· Q4 2025
Man Group plcAdded
Hedge Fund
$8.9M· 10.1% of total· 0.0% port· 150K sh· +$5.3M QoQ· Q1 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$8.7M· 9.9% of total· 0.0% port· 147K sh· +$3.6M QoQ· Q1 2026
ExodusPoint Capital Management, LPNew
Hedge Fund
$7.9M· 9.0% of total· 0.1% port· 125K sh· QoQ· Q4 2025
Bridgewater Associates, LPNew
Hedge Fund
$6.1M· 6.9% of total· 0.0% port· 73K sh· QoQ· Q4 2024
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$3.0M· 3.4% of total· 0.0% port· 51K sh· +$3.0M QoQ· Q1 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$2.7M· 3.1% of total· 0.0% port· 47K sh· $-1.3M QoQ· Q1 2026
Brevan Howard Capital Management LPNew
Hedge Fund
$1.8M· 2.1% of total· 0.0% port· 31K sh· QoQ· Q1 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$1.6M· 1.8% of total· 0.0% port· 27K sh· $-1.3M QoQ· Q1 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$1.5M· 1.7% of total· 0.0% port· 25K sh· $-391K QoQ· Q1 2026
Holocene Advisors, LPNew
Hedge Fund
$1.2M· 1.4% of total· 0.0% port· 21K sh· QoQ· Q1 2026
MAVERICK CAPITAL LTDNew
Hedge Fund
$1.0M· 1.2% of total· 0.0% port· 14K sh· QoQ· Q2 2025
Schonfeld Strategic Advisors LLCNew
Hedge Fund
$871K· 1.0% of total· 0.0% port· 12K sh· QoQ· Q2 2025
MARSHALL WACE, LLPNew
Hedge Fund
$685K· 0.8% of total· 0.0% port· 11K sh· QoQ· Q4 2025
Verition Fund Management LLCNew
Hedge Fund
$459K· 0.5% of total· 0.0% port· 7K sh· QoQ· Q4 2025
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$404K· 0.5% of total· 0.0% port· 7K sh· $-12K QoQ· Q1 2026
Walleye Capital LLCAdded
Hedge Fund
$358K· 0.4% of total· 0.0% port· 6K sh· +$193K QoQ· Q1 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$276K· 0.3% of total· 0.0% port· 5K sh· $-728K QoQ· Q1 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$264K· 0.3% of total· 0.0% port· 4K sh· $-24K QoQ· Q1 2026
TUDOR INVESTMENT CORP ET ALNew
Hedge Fund
$245K· 0.3% of total· 0.0% port· 4K sh· QoQ· Q3 2025
Hudson Bay Capital Management LPReduced
Hedge Fund
$32K· 0.0% of total· 0.0% port· 540 sh· $-4.8M QoQ· Q1 2026
Ancora Advisors, LLCUnchanged
Hedge Fund
$884· 0.0% of total· 0.0% port· 15 sh· +$0 QoQ· Q1 2026
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