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Disclosery

ZEUS OLYMPIC STEEL INC

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Stock (common)

140 managers (142 13F filers) reported a position in ZEUS shares at 2025-09-30, 9,402,023 shares in all. 18 filers opened a position and 15 filers sold out during the quarter.

Managers
140
13F filers
142
New
18
Added
52
Reduced
49
Sold out
15
Shares held by filers
9,402,023

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.2,210,147$67.3M<0.01%+38,73913F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP743,828$22.6M<0.01%-4,76313F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC608,208$18.5M<0.01%-8,60813F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC395,545$12M0.02%-7,84313F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC391,431$11.9M0.01%+26,74113F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY257,850$7.85M<0.01%-2,22613F-HR/ATimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co252,106$7.68M<0.01%+76,34513F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC249,852$7.61M<0.01%+37,48713F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC241,142$7.34M<0.01%+7413F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC232,312$7.07M<0.01%+57,71713F-HRTimelineGroup
JB CAPITAL PARTNERS LP222,499$6.78M1.15%013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP218,108$6.64M<0.01%-4,60413F-HRTimelineGroup
Invenomic Capital Management LP203,312$6.19M0.32%new13F-HRTimeline
CSM Advisors, LLC177,180$5.39M0.15%-5,76513F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.153,818$4.68M<0.01%-3,26113F-HRTimelineGroup
Nuveen, LLCin group TIAA128,764$3.92M<0.01%-39,79213F-HRTimelineGroup
MAI Capital Management125,856$3.83M0.02%013F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC122,834$3.74M0.08%+8,48113F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC117,770$3.59M<0.01%-2,05913F-HR/ATimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC117,728$3.58M0.01%-28313F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp115,630$3.52M<0.01%-1,90713F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …107,507$3.27M<0.01%+26,22513F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP95,403$2.91M<0.01%-2,35013F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.86,890$2.65M<0.01%+31,94013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC84,601$2.58M<0.01%+30,90313F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding84,147$2.56M+14,490Timeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\78,938$2.4M<0.01%+72,03913F-HRTimelineGroup
Empowered Funds, LLC75,267$2.29M0.02%+8,48113F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO73,001$2.22M<0.01%-81,97213F-HR/ATimelineGroup
Qube Research & Technologies Ltd72,990$2.22M<0.01%-14,06713F-HRTimeline
FMR LLCin group FMR LLC71,656$2.18M<0.01%+6,43913F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC67,096$2.04M<0.01%-7,10113F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA59,303$1.81M<0.01%-58,76713F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC52,310$1.59M<0.01%+4,65613F-HRTimeline
LSV ASSET MANAGEMENT51,800$1.58M<0.01%+14,70013F-HRTimeline
PANAGORA ASSET MANAGEMENT INC51,727$1.58M0.01%+3,20513F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/46,507$1.42M<0.01%-6,71613F-HR/ATimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS45,480$1.38M<0.01%+19,85813F-HRTimelineGroup
MASSACHUSETTS FINANCIAL SERVICES CO /MA/in group MASSACHUSETTS FINANCIAL SERVI…44,406$1.35M<0.01%+2,92113F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC40,907$1.25M<0.01%-75213F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC39,798$1.21M<0.01%-11,90013F-HRTimeline
Trexquant Investment LP36,662$1.12M0.01%-28,02013F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC36,912$1.1M<0.01%+2,08613F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC35,668$1.09M<0.01%-20,55313F-HRTimelineGroup
Profit Investment Management, LLC34,799$1.06M1.33%-12,82413F-HRTimeline
WEDGE CAPITAL MANAGEMENT L L P/NC33,191$1.01M0.02%+2,60813F-HRTimeline
Janney Montgomery Scott LLC30,141$918K<0.01%+9513F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC25,390$773K<0.01%-61,24213F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…24,452$745K<0.01%-28,47513F-HRTimelineGroup
SummerHaven Investment Management, LLC24,379$742K0.43%+4,85613F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd21,654$659K0.02%+21713F-HRTimelineGroup
State of Wyoming20,515$625K0.07%+4,20913F-HRTimeline
Invesco Ltd.in group Invesco Ltd.19,023$579K<0.01%-2,99513F-HRTimelineGroup
Unison Advisors LLC18,973$578K0.05%+8713F-HRTimeline
IEQ CAPITAL, LLC18,839$574K<0.01%+4,14213F-HRTimeline
Engineers Gate Manager LP18,369$559K0.01%-6,96113F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO18,310$558K<0.01%-30,88013F-HRTimelineGroup
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP16,933$516K<0.01%+6,71113F-HRTimelineGroup
AlphaQuest LLC16,391$499K0.03%+8,26913F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/15,921$485K<0.01%+76113F-HRTimeline
Corient Private Wealth LPgroup of 2 filers holding15,597$475K+7,597Timeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…15,564$474K<0.01%+9513F-HRTimeline
RHUMBLINE ADVISERS15,379$468K<0.01%-56213F-HRTimeline
KLP KAPITALFORVALTNING AS14,900$454K<0.01%013F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources14,145$431K<0.01%+2,75613F-HRTimelineGroup
Cubist Systematic Strategies, LLC14,134$430K0.01%-17,48113F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC12,149$370K<0.01%-10,57813F-HRTimelineGroup
SG Americas Securities, LLC11,857$361K<0.01%new13F-HRTimeline
Ethic Inc.11,684$356K0.01%+45713F-HRTimeline
Mariner, LLCin group Mariner, LLC11,065$337K<0.01%+2,90313F-HRTimelineGroup
UBS Group AGin group UBS Group AG10,651$324K<0.01%-3,18213F-HRTimelineGroup
COMERICA BANK10,197$310K<0.01%+2,69413F-HRTimeline
CWM, LLCin group CWM, LLC9,989$304K<0.01%+2,59013F-HRTimelineGroup
Quantinno Capital Management LP9,318$284K<0.01%new13F-HRTimeline
Creative Planningin group Creative Planning9,092$277K<0.01%-1,11713F-HRTimelineGroup
EXCHANGE TRADED CONCEPTS, LLC8,547$260K<0.01%+42013F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC8,327$254K<0.01%new13F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…8,212$250K<0.01%-5,50013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN8,090$246K<0.01%+1,23813F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC7,229$220K<0.01%-1,37113F-HRTimelineGroup
Cetera Investment Advisers7,123$217K<0.01%-4913F-HRTimeline
Inspire Advisors, LLCin group Inspire Investing, LLC7,058$215K0.02%new13F-HRTimelineGroup
OP Asset Management Ltd6,845$208K<0.01%-3,02813F-HR/ATimeline
INTECH INVESTMENT MANAGEMENT LLC6,776$206K<0.01%new13F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC6,686$204K<0.01%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…5,868$179K<0.01%013F-HRTimelineGroup
Ancora Advisors LLCin group Ancora Advisors LLC5,156$157K<0.01%-9213F-HRTimelineGroup
Arax Advisory Partners4,698$143K<0.01%+4,64413F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…4,661$142K<0.01%new13F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND4,080$124K<0.01%013F-HRTimeline
Aquatic Capital Management LLC4,035$123K<0.01%-4,33013F-HRTimeline
CoreCap Advisors, LLC3,669$112K<0.01%+1,07113F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…3,506$107K<0.01%013F-HRTimelineGroup
New Age Alpha Advisors, LLC2,469$75.2K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…2,290$69.7K<0.01%013F-HRTimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.2,128$64.8K<0.01%013F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC1,912$58.2K<0.01%-2,93713F-HRTimelineGroup
STRS OHIO1,900$57.9K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,021$31.1K<0.01%013F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…997$30.4K<0.01%+16613F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc915$27.9K<0.01%013F-HRTimelineGroup
Quarry LP881$26.8K0.01%new13F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.788$24K<0.01%-8,72813F-HRTimeline
Sterling Capital Management LLC683$20.8K<0.01%+41813F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…617$18.8K<0.01%new13F-HRTimeline
HARBOUR INVESTMENTS, INC.556$16.9K<0.01%013F-HRTimeline
Essential Partners LLC454$13.8K<0.01%+22913F-HRTimeline
State of Alaska, Department of Revenue456$13K<0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.409$12.8K<0.01%-6713F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC415$12.6K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…384$11.7K<0.01%-62113F-HRTimelineGroup
GAMMA Investing LLC346$10.5K<0.01%-2213F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…333$10.2K<0.01%new13F-HRTimelineGroup
AMALGAMATED BANK327$10K<0.01%013F-HRTimeline
Strategic Advocates LLC300$9.13K<0.01%new13F-HRTimeline
Point72 (DIFC) Ltd297$9.06K<0.01%-52113F-HRTimeline
Versant Capital Management, Inc275$8.37K<0.01%+13813F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP264$8.16K<0.01%013F-HRTimelineGroup
Covestor Ltd263$8K<0.01%+24113F-HRTimeline
Allworth Financial LP253$7.7K<0.01%+14813F-HRTimeline
IFP Advisors, Inc231$7.03K<0.01%+8813F-HR/ATimeline
NISA INVESTMENT ADVISORS, LLC207$6.3K<0.01%013F-HRTimeline
Smithfield Trust Co214$6K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.168$5.12K<0.01%new13F-HRTimelineGroup
Smartleaf Asset Management LLC123$3.7K<0.01%+4613F-HRTimeline
SIGNATUREFD, LLC107$3.26K<0.01%013F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.86$3K<0.01%-6213F-HRTimeline
Clearstead Advisors, LLC89$2.71K<0.01%+2513F-HRTimeline
SIMPLEX TRADING, LLC94$2K<0.01%-17913F-HRTimeline
NewEdge Advisors, LLC50$1.52K<0.01%013F-HRTimeline
True Wealth Design, LLC47$1.43K<0.01%+1313F-HRTimeline
ROTHSCHILD INVESTMENT LLC34$1.03K<0.01%+1413F-HRTimeline
Parkside Financial Bank & Trust33$1K<0.01%013F-HRTimeline
Hemington Wealth Management51$1K<0.01%-113F-HRTimeline
Geneos Wealth Management Inc.26$792<0.01%013F-HRTimeline
Steward Partners Investment Advisory, L…20$609<0.01%013F-HRTimeline
Kilter Group LLC19$579<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…15$457<0.01%-2213F-HRTimelineGroup
Parallel Advisors, LLC12$365<0.01%013F-HRTimeline
Tortoise Investment Management, LLC1$30<0.01%new13F-HRTimeline