13F

Stock

Atkore Inc.

ATKR · held by 302 managers

Reported value

$1.83B

Holders

302

+42 new · −51 exited

Holders’ est. mark

−$98.7M

Price effect on 210 books still in the name

Largest holder

$158.2M

Gates Capital Management, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Gates Capital Management, Inc.2.69M$158.2M−$11.7MCut−$14.7M
BlackRock, Inc.2.63M$154.7M−$11.1MCut−$6.9M
VANGUARD PORTFOLIO MANAGEMENT LLC2.09M$123.1MHeld
VANGUARD CAPITAL MANAGEMENT LLC1.52M$89.3MHeld
AMERICAN CENTURY COMPANIES INC1.44M$84.8M−$5.44MAdded$5.49M
DIMENSIONAL FUND ADVISORS LP1.23M$72.3M−$4.91MAdded$837.1K
FIRST TRUST ADVISORS LP1.23M$72.3M−$5.32MCut−$15.4M
Coliseum Capital Management, LLC947.1K$55.8M−$3.51MAdded$4.6M
GEODE CAPITAL MANAGEMENT, LLC854.7K$50.4M−$3.48MCut−$387.2K
State Street835.2K$49.2M−$3.59MCut−$3.14M
EARNEST PARTNERS LLC777.9K$45.8M−$3.38MCut−$3.75M
Hill City Capital, LP728.2K$42.9M−$3.16MCut−$3.16M
Harding Loevner LP704.9K$41.5M−$3.05MCut−$4.81M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP698.1K$41.1M−$3.03MCut−$3.44M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.533K$31.4M−$1.53MAdded$9.18M
BANK OF AMERICA CORP /DE/462.3K$27.2M−$1.82MAdded$687.7K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC417.6K$24.6M−$1.78MCut−$1.39M
GENDELL JEFFREY L400.2K$23.6M−$1.68MCut−$913.9K
VICTORY CAPITAL MANAGEMENT INC379.3K$22.3M−$1.65MCut−$8.8M
LONDON CO OF VIRGINIA377.6K$22.2M−$1.64MCut−$3.8M
Oslo Pensjonsforsikring AS377K$22.2MHeld
TWO SIGMA INVESTMENTS, LP353K$20.8M−$951.9KAdded$6.92M
NEW YORK STATE COMMON RETIREMENT FUND343.5K$20.2M−$1.49MCut−$1.64M
JACOBS LEVY EQUITY MANAGEMENT, INC343.3K$20.2M−$1.4MCut−$252.1K
MORGAN STANLEY338.3K$19.9M−$1.47MCut−$5.15M
NORTHERN TRUST CORP321.4K$18.9M−$1.39MCut−$4.07M
CANYON CAPITAL ADVISORS LLC305K$18MNew
Swedbank AB296.2K$17.4M−$1.29MCut−$1.29M
GOLDMAN SACHS GROUP INC276.1K$16.3M−$1.2MCut−$8.01M
CANADA PENSION PLAN INVESTMENT BOARD247.2K$14.6M−$1.07MCut−$6.26M
JPMORGAN CHASE & CO250.3K$14.6M−$1.28MCut−$10.6M
BRIDGEWAY CAPITAL MANAGEMENT, LLC244.2K$14.4M−$1.01MCut−$264.6K
Bank of New York Mellon Corp235.9K$13.9M−$1.02MCut−$1.01M
VANGUARD FIDUCIARY TRUST CO218.3K$12.9MHeld
SEI INVESTMENTS CO208.5K$12.3M−$893.7KCut−$744.3K
Nuveen, LLC193.9K$11.4M−$839.9KCut−$816.5K
WELLS FARGO & COMPANY/MN178K$10.5M−$772.7KCut−$2.26M
DNB Asset Management AS166.6K$9.81M−$634.4KAdded$567.2K
FEDERATED HERMES, INC.159.6K$9.4M−$670.7KCut−$371K
BARCLAYS PLC158.8K$9.35M−$268.5KAdded$5.44M
DEUTSCHE BANK AG\156.1K$9.2M−$286.4KAdded$5.02M
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC153.5K$9.04M−$666.1KCut−$807.7K
Man Group plc150.3K$8.86M−$264.8KAdded$5M
Qube Research & Technologies Ltd147K$8.66M−$369.6KAdded$3.28M
Empowered Funds, LLC133.5K$7.87MNew
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND125.8K$7.41M−$273.4KAdded$3.43M
Allianz Asset Management GmbH121.9K$7.18M−$158.1KAdded$4.88M
PDT Partners, LLC116.2K$6.84M−$16.1KAdded$6.61M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC106.3K$6.26M−$440KCut−$151.4K
Woodline Partners LP102.1K$6.01MNew
Invesco Ltd.94.3K$5.56M−$409.5KCut−$1.01M
Russell Investments Group, Ltd.94.3K$5.56M−$363.4KAdded$259K
NORDEA INVESTMENT MANAGEMENT AB93.5K$5.43M−$469.3KCut−$729.6K
Rock Point Advisors, LLC85.7K$5.05M−$368.9KCut−$328.7K
VOLORIDGE INVESTMENT MANAGEMENT, LLC85.6K$5.04M−$371.4KCut−$7.15M
Allspring Global Investments Holdings, LLC76.8K$4.63M−$321.9KCut−$5.83M
UBS Group AG77.2K$4.55M−$220.1KAdded$1.34M
BNP PARIBAS FINANCIAL MARKETS76.2K$4.49M−$267.5KAdded$591.7K
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.74.3K$4.38M−$262.1KAdded$552K
KESTREL INVESTMENT MANAGEMENT CORP74.2K$4.37M$4.36MAdded$4.36M
Universal- Beteiligungs- und Servicegesellschaft mbH73.5K$4.33M−$318.8KCut−$318.8K
ENVESTNET ASSET MANAGEMENT INC72.7K$4.28M−$280KAdded$202.1K
AMERIPRISE FINANCIAL INC70.5K$4.15M−$306KCut−$1.28M
MARTINGALE ASSET MANAGEMENT L P69.7K$4.11M−$94.4KAdded$2.73M
Swiss National Bank66.4K$3.91M−$288.2KCut−$288.2K
Citadel64.7K$3.81M−$281KCut−$5.53M
PRUDENTIAL FINANCIAL INC64.2K$3.78M−$114.4KAdded$2.11M
Allianz SE62.3K$3.67M−$270.3KCut−$270.3K
D. E. Shaw & Co., Inc.61.3K$3.61M−$265.9KCut−$3.55M
RAYMOND JAMES FINANCIAL INC60.8K$3.58M−$219.9KAdded$378.7K
DENALI ADVISORS LLC55K$3.24M−$238.7KCut−$238.7K
EDENTREE ASSET MANAGEMENT Ltd54.5K$3.21M−$237.3KCut−$237.3K
Icahn Capital50.9K$3M−$215.6KCut−$141.5K
JANE STREET GROUP, LLC48.7K$2.87M−$211.3KCut−$9.37M
O'SHAUGHNESSY ASSET MANAGEMENT, LLC48.6K$2.86M−$210.9KCut−$598.5K
Balyasny Asset Management L.P.46.7K$2.75M−$202.5KCut−$1.58M
RHUMBLINE ADVISERS43.6K$2.57M−$189.3KCut−$245.4K
CastleKnight Management LP42.2K$2.49M−$183.1KCut−$183.1K
SUSQUEHANNA INTERNATIONAL GROUP, LLP40.4K$2.38M−$129.1KAdded$500.3K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM39.7K$2.34M−$138.3KAdded$322.9K
OPPENHEIMER ASSET MANAGEMENT INC.39.2K$2.31MNew
MILLENNIUM MANAGEMENT LLC39.2K$2.31M−$144.2KAdded$209K
ALLIANCEBERNSTEIN L.P.35.1K$2.22M$0Held
ISTHMUS PARTNERS, LLC36.8K$2.17M−$157.2KCut−$123K
OMERS ADMINISTRATION Corp35K$2.06M−$136.5KAdded$69.7K
Hudson Bay Capital Management LP34.9K$2.06M−$151.7KCut−$3.1M
State of New Jersey Common Pension Fund D33.7K$1.99MNew
LAZARD ASSET MANAGEMENT LLC33.5K$1.97M−$21.6KAdded$1.66M
Tidal Investments LLC31.9K$1.88M−$49KAdded$1.17M
Legal & General Group Plc31.9K$1.88M−$138.3KCut−$434.7K
VANGUARD ASSET MANAGEMENT, Ltd31K$1.83MHeld
Brevan Howard Capital Management LP30.6K$1.8MNew
FRANKLIN RESOURCES INC29.8K$1.75M−$129.3KCut−$232.6K
Vanguard Global Advisers, LLC28.2K$1.66MHeld
Kerrisdale Advisers, LLC28.1K$1.65M−$121.8KCut−$121.8K
Linden Thomas Advisory Services, LLC25.7K$1.51M−$55.2KAdded$708.5K
Magnetar Financial LLC25.5K$1.5M−$83.5KAdded$283.1K
Mitsubishi UFJ Trust & Banking Corp25.3K$1.49M−$109.9KCut−$336.1K
JB CAPITAL PARTNERS LP25K$1.47M−$108.5KCut−$108.5K
CAXTON ASSOCIATES LLP24.9K$1.47M−$108KCut−$528.2K
Caisse de depot et placement du Quebec24.5K$1.44MNew
Twelve Points Wealth Management LLC24.5K$1.44M−$182.6KCut−$7.5K
Oakum Bay Capital LLC23.9K$1.41M−$103.8KCut−$284.1K
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO23.4K$1.38M−$101.6KCut−$101.6K
EASTERLY INVESTMENT PARTNERS LLC23.3K$1.36M−$117.9KCut−$356.5K
Defiance ETFs, LLC22.5K$1.33MNew
HighTower Advisors, LLC22.3K$1.31M−$88.3KAdded$24.9K
STATE OF WISCONSIN INVESTMENT BOARD21.7K$1.28M−$55.5KAdded$468K
KLP KAPITALFORVALTNING AS21.1K$1.24M−$89.8KCut−$66.3K
Aviance Capital Partners, LLC20.8K$1.22M−$82.3KAdded$25.8K
Holocene Advisors, LP20.7K$1.22MNew
MetLife Investment Management, LLC18.6K$1.1M−$80.8KCut−$91.2K
Vident Advisory, LLC18.6K$1.09M−$59.8KAdded$223K
HSBC HOLDINGS PLC18.7K$1.09MNew
Creative Planning18.5K$1.09M−$68.5KAdded$93.2K
WINCAP FINANCIAL LLC17.5K$1.03M−$67.1KAdded$53.7K
JANUS HENDERSON GROUP PLC17.3K$1.02M−$61.2KAdded$129K
DRW Securities, LLC16.8K$990.2KNew
Jefferies Financial Group Inc.16.7K$986K−$72.6KCut−$72.6K
LPL Financial LLC16.4K$964.1K−$63.4KAdded$40.2K
Morningstar Investment Management LLC16.1K$950.2K$949.2KAdded$949K
MANUFACTURERS LIFE INSURANCE COMPANY, THE15.8K$932.5K−$68.7KCut−$74K
Murchinson Ltd.15K$883.6KNew
BLUEFIN CAPITAL MANAGEMENT, LLC14.7K$866.1KNew
CITIGROUP INC14.6K$860K−$38KAdded$306.7K
ARISTEIA CAPITAL, L.L.C.14.2K$834.6K−$37.4KAdded$290.1K
Irenic Capital Management LP14K$823.4K−$60.7KCut−$60.7K
Round Hill Asset Management14K$822.8K−$60.6KCut−$77.4K
CAPTRUST FINANCIAL ADVISORS13.3K$783.8K−$24.7KAdded$424K
ROYAL BANK OF CANADA13.3K$781K−$59.5KCut−$456K
Cerity Partners LLC13.1K$769.5K−$56KCut−$46.8K
Old West Investment Management, LLC13K$766.8K−$29.5KAdded$337.3K
Clear Creek Financial Management, LLC12.3K$724.5K−$52KCut−$33.8K
Sankala Group LLC12.2K$723.8K−$63.8KCut−$49K
SEB Asset Management AB11.5K$680.1KHeld
ARGA Investment Management, LP11.4K$671.6K−$49.5KCut−$49.5K
Unison Advisors LLC11.3K$665.7K−$49KCut−$49K
Ausbil Investment Management Ltd11K$662.5K−$33.1KCut−$890K
Freestone Grove Partners LP10.9K$642.8K−$31.8KAdded$178.8K
Jump Financial, LLC10.8K$637.9K−$15KAdded$419.7K
Elo Mutual Pension Insurance Co10.8K$635KNew
Voleon Capital Management LP10K$591.2K−$43.6KCut−$810.3K
Fidelity10K$590.8K−$43.5KCut−$154.3K
Diversified Investment Strategies, LLC10K$589.1KNew
Zurcher Kantonalbank (Zurich Cantonalbank)9.93K$585K−$43.1KCut−$129.7K
Lakewood Asset Management LLC9.69K$570.9K−$42KCut−$99K
Atria Investments, Inc9.5K$559.4K−$39.5KCut−$16.5K
Richard Bernstein Advisors LLC9.46K$557KNew
SummerHaven Investment Management, LLC9.33K$549.6K−$40.5KCut−$158.5K
ARIZONA STATE RETIREMENT SYSTEM9.28K$546.6K−$40.3KCut−$47.4K
Police & Firemen's Retirement System of New Jersey8.92K$525.7K−$38.7KCut−$38.7K
WOLVERINE ASSET MANAGEMENT LLC8.9K$524.3K−$38.6KCut−$38.6K
INTECH INVESTMENT MANAGEMENT LLC8.49K$500K−$36.8KCut−$355.3K
Chou Associates Management Inc.8.4K$494.8KNew
Entropy Technologies, LP8.33K$490.8K−$36.2KCut−$407.3K
Dynamic Technology Lab Private Ltd7.94K$467.7K−$34.3KCut−$34.3K
DEAN INVESTMENT ASSOCIATES, LLC7.88K$464.2K−$34.2KCut−$1.3M
Vanguard Investments Australia, Ltd.7.83K$461.6KHeld
STIFEL FINANCIAL CORP7.72K$455K−$28.8KAdded$35.4K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM7.46K$439.2K−$32.4KCut−$32.4K
Engineers Gate Manager LP6.93K$408.2K−$18.3KAdded$141.6K
Van Diest Capital, LLC6.91K$407.2KNew
Grantham, Mayo, Van Otterloo & Co. LLC6.86K$403.9K−$29.8KCut−$42.6K
ROMAN BUTLER FULLERTON & CO6.07K$400.4K−$40.9KAdded$3.87K
&PARTNERS6.39K$376.7K−$15.6KAdded$149.1K
Quantinno Capital Management LP6.29K$370.7K−$27.3KCut−$60.4K
Meixler Investment Management, Ltd.5.94K$365.5K−$10.3KCut−$110.4K
Quadrature Capital Ltd6.17K$363.7KNew
Walleye Capital LLC6.07K$357.6K−$26.3KCut−$2.6M
Pictet Asset Management Holding SA5.81K$342.3K−$22.2KAdded$18.1K
XTX Topco Ltd5.81K$342.3K−$25.2KCut−$48.7K
VOYA INVESTMENT MANAGEMENT LLC5.8K$341.9K−$25.2KCut−$35.9K
SHUFRO ROSE & CO LLC5.8K$341.7KNew
Rockefeller Capital Management L.P.5.59K$329.1K−$23.5KCut−$12.7K
Dean Capital Management5.58K$328.8K−$24.2KCut−$867.9K
Tactive Advisors, LLC5.33K$314.2KNew
Cetera Investment Advisers5.21K$307K−$22KCut−$13.6K
ProShare Advisors LLC4.88K$287.5K−$21.2KCut−$101K
State of Wyoming4.69K$276.4K−$18KAdded$13.4K
Gotham Asset Management, LLC4.68K$275.9K−$20.3KCut−$802.3K
DARK FOREST CAPITAL MANAGEMENT LP4.54K$267.4KNew
GAMCO INVESTORS, INC. ET AL4.48K$264.2K−$19.5KCut−$44.8K
Pathstone Holdings, LLC4.38K$258K−$19KCut−$46.6K
EXCHANGE TRADED CONCEPTS, LLC4.13K$243.6K−$17KCut−$3.52K
BOOTHBAY FUND MANAGEMENT, LLC4.13K$243.1KNew
JONES FINANCIAL COMPANIES LLLP4.04K$239K−$10.3KAdded$81.1K
FOX RUN MANAGEMENT, L.L.C.4.07K$236.4KNew
Arkadios Wealth Advisors3.98K$234.2K−$17.3KCut−$19.4K
INCEPTIONR LLC3.74K$220.1K−$16.2KCut−$144.6K
Baron Wealth Management LLC3.71K$218.4K−$14.4KAdded$8.4K
Amundi3.53K$207.8KNew
Silver Coast Investments LLC3.51K$206.8KNew
Cresset Asset Management, LLC3.5K$206.2K−$15.2KCut−$15.2K
IMC-Chicago, LLC3.5K$206.2KNew
MEEDER ASSET MANAGEMENT INC3.5K$206.1K−$15.2KCut−$15.2K
TEACHER RETIREMENT SYSTEM OF TEXAS3.43K$202K−$14.9KCut−$1.77M
FIFTH THIRD BANCORP3.2K$188.6K−$56Added$187.8K
Tower Research Capital LLC (TRC)2.88K$169.8K−$8.09KAdded$51.9K
Ameritas Investment Partners, Inc.2.88K$169.4K−$12.5KCut−$12.5K
Atlantic Union Bankshares Corp2.43K$143.2K−$10.5KCut−$10.5K
OSAIC HOLDINGS, INC.2.05K$121K−$8.98KCut−$14.6K
Aquatic Capital Management LLC2.04K$120.2KNew
Bayforest Capital Ltd1.77K$104.4K−$7.69KCut−$21.4K
Hilltop National Bank1.76K$103.7K−$7.32KCut−$2.96K
Ensign Peak Advisors, Inc1.52K$89.4K−$6.58KCut−$6.58K
Federation des caisses Desjardins du Quebec1.49K$87.5K−$4.37KAdded$23.9K
Advisory Services Network, LLC1.36K$80.1KNew
HARBOUR INVESTMENTS, INC.1.34K$79.1K−$5.64KCut−$3.17K
Sterling Capital Management LLC1.12K$65.7K−$4.84KCut−$57.8K
LSV ASSET MANAGEMENT1.05M$62K−$4.17KAdded$1.22K
Measured Wealth Private Client Group, LLC955$56.3K−$4.14KCut−$23.9K
GROUP ONE TRADING LLC774$45.6K−$3.36KCut−$205.6K
NOMURA ASSET MANAGEMENT CO LTD720$42.4K−$3.13KCut−$3.13K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.668$39.4K$29.4KAdded$39.3K
US BANCORP \DE\535$31.5K−$2.33KCut−$17.1K
SIMPLEX TRADING, LLC385$22.7K−$1.67KCut−$107.6K
Boreal Capital Management LLC360$21.2K−$1.56KCut−$1.56K
CWM, LLC355$20.9K$20.9KAdded$20.9K
Caldwell Trust Co300$17.7KNew
GAMMA Investing LLC284$16.7K−$1.23KCut−$4.84K
QUADRANT CAPITAL GROUP LLC282$16.6K−$1.22KCut−$4.45K
Kemnay Advisory Services Inc.276$16.3K−$1.2KCut−$89.2K
Rossby Financial, LCC250$15.1K−$753Cut−$753
PNC Financial Services Group, Inc.255$15K−$1.11KCut−$6.48K
Geneos Wealth Management Inc.252$14.8K−$548Added$6.88K
TD PRIVATE CLIENT WEALTH LLC230$13.5K−$886Added$646
IFP Advisors, Inc227$13.4K−$985Cut−$985
Versant Capital Management, Inc215$12.7K−$933Cut−$2.89K
SALEM INVESTMENT COUNSELORS INC207$12.2KNew
LOS ANGELES CAPITAL MANAGEMENT LLC202$11.9K−$1.96KCut−$1.96K
SIGNATUREFD, LLC186$11K−$808Cut−$6.44K
Signature Equity Partners, LLC156$9.19K−$495Added$1.98K
Root Financial Partners, LLC155$9.13K−$426Added$2.93K
BARROW HANLEY MEWHINNEY & STRAUSS LLC154$9.07K−$668Cut−$668
Key Financial Inc145$8.54K−$629Cut−$629
Smartleaf Asset Management LLC107$6.22K−$562Cut−$155
Silver Grove Financial Group, Inc.100$5.89KNew
Optiver Holding B.V.85$5.01K−$247Added$1.4K
Farther Finance Advisors, LLC82$4.95K−$245Cut−$816
AdvisorNet Financial, Inc81$4.77K−$351Cut−$351
Allworth Financial LP76$4.45K−$359Cut−$66
Transamerica Financial Advisors, LLC56$3.3K−$227Added$9
WealthCollab, LLC54$3.18K−$234Cut−$234
EverSource Wealth Advisors, LLC54$3.18K−$236Cut−$489
Parkside Financial Bank & Trust50$2.95K−$217Cut−$217
MAI Capital Management48$2.83K−$152Added$614
Essential Partners LLC46$2.71K−$200Cut−$200
NISA INVESTMENT ADVISORS, LLC45$2.65K−$196Cut−$1.78K
ROTHSCHILD INVESTMENT LLC44$2.59K−$191Cut−$1.39K
SG Americas Securities, LLC39.2K$2.31K−$139Added$284

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.