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Disclosery

MTRN MATERION CORP

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COM (common), issuer CIK 1104657

324 managers (334 13F filers) reported a position in MTRN shares at 2026-03-31, 19,985,479 shares in all. 60 filers opened a position and 26 filers sold out during the quarter.

Managers
324
13F filers
334
New
60
Added
96
Reduced
111
Sold out
26
Shares held by filers
19,985,479

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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.3,368,946$487M0.01%+68,31013F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding2,447,422$354M+2,444,590Timeline
STATE STREET CORPin group STATE STREET CORP1,328,204$192M0.01%+118,57013F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP885,167$128M0.03%-105,52713F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC882,684$128M0.07%+361,30813F-HRTimelineGroup
Capital Research Global Investorsin group Capital Research Global Inves…789,873$114M0.02%-1,104,04613F-HRTimelineGroup
BARROW HANLEY MEWHINNEY & STRAUSS LLC529,841$76.6M0.25%-33,52813F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC503,968$72.9M<0.01%+14,42913F-HRTimelineGroup
ACK Asset Management LLC474,800$68.7M8.57%013F-HRTimeline
Fisher Asset Management, LLC442,005$63.9M0.02%+301,74013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY424,478$61.4M<0.01%-5,00413F-HRTimelineGroup
Capital World Investors415,000$60M0.01%new13F-HRTimeline
SEGALL BRYANT & HAMILL, LLC334,337$48.4M0.69%-26,15813F-HR/ATimeline
Trigran Investments, Inc.333,985$48.3M11.55%-124,08813F-HRTimeline
Harvey Partners, LLC293,121$42.4M3.44%-26,37913F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co292,544$42.3M0.01%-11,12113F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC292,598$40.6M0.01%+4,55713F-HRTimelineGroup
Copeland Capital Management, LLC265,247$38.4M0.85%-39,69213F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…260,504$37.7M0.05%-33,37113F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP247,777$35.8M<0.01%-1,60313F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA219,050$31.7M0.01%-38,43813F-HRTimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding195,740$28.3M-4,710Timeline
Invesco Ltd.in group Invesco Ltd.179,213$25.9M<0.01%+105,37713F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO183,416$25.2M<0.01%+16,69713F-HR/ATimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC165,989$24M0.51%+1,23913F-HRTimeline
Aberdeen Group plcin group Aberdeen Group plc164,434$23.8M0.04%-31,91213F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp152,480$22.1M<0.01%-4,54813F-HRTimelineGroup
Granahan Investment Management, LLC144,476$20.9M1.01%+6,25013F-HRTimeline
Nuveen, LLCin group TIAA143,207$20.7M0.01%+74,32913F-HRTimelineGroup
SCHRODER INVESTMENT MANAGEMENT GROUP131,748$18.1M0.01%-4,12913F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC120,164$17.4M0.01%+21,29513F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/118,569$17.2M<0.01%+9,44113F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC116,842$16.9M<0.01%+42,16313F-HRTimelineGroup
ROYCE & ASSOCIATES LP103,540$15M0.15%-4,90013F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…101,950$14.7M0.02%+43,95013F-HR/ATimelineGroup
UBS Group AGgroup of 2 filers holding97,801$14.1M-4,819Timeline
Ceredex Value Advisors LLC97,500$14.1M0.44%new13F-HRTimeline
PANAGORA ASSET MANAGEMENT INC85,176$12.3M0.05%+40,22413F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC80,410$11.6M<0.01%-3,06313F-HR/ATimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO79,608$11.5M0.01%+9,00313F-HRTimelineGroup
KING LUTHER CAPITAL MANAGEMENT CORP78,147$11.3M0.05%+4,07213F-HRTimeline
Public Sector Pension Investment Board74,230$10.7M0.03%+2,51213F-HRTimeline
GENDELL JEFFREY Lin group GENDELL JEFFREY L71,296$10.3M0.14%013F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding66,849$9.67M-2,538Timeline
Qube Research & Technologies Ltd65,468$9.47M0.01%new13F-HRTimeline
HighTower Advisors, LLC65,275$9.44M0.01%+1,87113F-HRTimeline
RHUMBLINE ADVISERS64,203$9.29M0.01%+91313F-HRTimeline
Fiera Capital Corpin group Fiera Capital Corp58,612$8.48M0.03%+12,89413F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN57,349$8.3M<0.01%-15,23313F-HR/ATimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…53,356$7.72M0.09%-25813F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc51,826$7.5M<0.01%-59113F-HRTimelineGroup
Lumbard & Kellner, LLC51,581$7.46M2.59%+4613F-HRTimeline
Phocas Financial Corp.48,613$7.03M1.1%-13,71313F-HRTimeline
HEARTLAND ADVISORS INC48,352$6.99M0.36%-2,50713F-HRTimeline
ProShare Advisors LLC46,219$6.69M0.01%-5,08113F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC44,904$6.5M<0.01%+1913F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC43,055$6.23M0.01%+2,41213F-HRTimelineGroup
SailingStone Capital Partners LLC42,322$6.12M1.39%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS42,144$6.1M<0.01%-20,96913F-HRTimelineGroup
Swiss National Bank41,000$5.93M<0.01%+20013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC38,073$5.51M<0.01%+24,05313F-HRTimelineGroup
Gilman Hill Asset Management, LLC36,940$5.34M0.81%-81313F-HRTimeline
Aptus Capital Advisors, LLC35,624$5.15M0.04%new13F-HRTimeline
Emerald Investment Advisers, LLCin group EMERALD ADVISERS, LLC34,813$5.04M0.45%13F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC31,410$4.54M0.01%-30413F-HRTimelineGroup
Blackstone Inc.in group Blackstone Inc.31,044$4.49M0.01%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
MARTINGALE ASSET MANAGEMENT L P30,818$4.46M0.11%+4,95513F-HRTimeline
ALGERT GLOBAL LLC29,830$4.31M0.06%-2,02013F-HR/ATimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co29,708$4.3M0.01%+8,50913F-HRTimelineGroup
CHATHAM CAPITAL GROUP, INC.29,506$4.27M0.62%-2,53213F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC25,028$3.62M0.01%+19313F-HRTimelineGroup
Arosa Capital Management LP25,000$3.62M2.35%new13F-HRTimeline
Oliver Luxxe Assets LLC24,732$3.58M0.54%-14513F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…24,612$3.56M<0.01%+4,92613F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/24,403$3.53M<0.01%+2,98713F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC23,881$3.45M<0.01%+1,06613F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP23,180$3.35M<0.01%-3,77913F-HRTimelineGroup
SOROS FUND MANAGEMENT LLCin group SOROS FUND MANAGEMENT LLC21,142$3.06M0.04%new13F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC20,900$3.02M0.03%-60,49913F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…20,763$3M0.01%-86613F-HRTimeline
ALLIANCEBERNSTEIN L.P.22,999$2.86M<0.01%+1,14213F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\19,060$2.76M<0.01%-21,34913F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding18,717$2.71M-11,487Timeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …18,433$2.67M<0.01%new13F-HRTimelineGroup
RICE HALL JAMES & ASSOCIATES, LLC17,237$2.49M0.14%-30913F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND15,629$2.26M<0.01%013F-HRTimeline
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…14,908$2.16M0.01%new13F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…14,694$2.13M<0.01%-9,70013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC14,510$2.1M<0.01%-21,30413F-HRTimelineGroup
Advisors Asset Management, Inc.13,892$2.01M0.03%+3,70913F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…13,841$2M<0.01%-40513F-HRTimelineGroup
FMR LLCin group FMR LLC12,509$1.81M<0.01%+7,54413F-HRTimelineGroup
Pinnacle Financial Partners, Inc.in group Pinnacle Financial Partners, …12,438$1.8M0.01%-14413F-HRTimelineGroup
Illinois Municipal Retirement Fund12,074$1.75M0.02%+1,33113F-HRTimeline
PINNACLE ASSOCIATES LTD11,720$1.7M0.02%-47913F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…11,436$1.65M0.01%+10913F-HRTimelineGroup
Asset Management One Co., Ltd.11,429$1.64M<0.01%new13F-HRTimeline
KINGSWOOD WEALTH ADVISORS, LLC11,224$1.62M0.08%-9413F-HRTimeline
State of Alaska, Department of Revenue11,036$1.59M0.02%-32013F-HRTimeline
NorthCrest Asset Manangement, LLC10,477$1.56M0.05%-6713F-HRTimeline
NISA INVESTMENT ADVISORS, LLC10,752$1.56M0.01%-48713F-HRTimeline
Creative Planningin group Creative Planning10,705$1.55M<0.01%+4,00213F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…10,464$1.51M<0.01%-5,52013F-HRTimelineGroup
Concentric Capital Strategies, LP10,370$1.5M0.13%-51,16813F-HRTimeline
Louisiana State Employees Retirement Sy…9,200$1.33M0.02%-30013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …9,044$1.31M<0.01%-27713F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson8,930$1.29M<0.01%013F-HR/ATimelineGroup
Dakota Wealth Management8,870$1.28M0.03%-2,43013F-HR/ATimeline
VICTORY CAPITAL MANAGEMENT INC8,352$1.21M<0.01%+67313F-HRTimeline
State of Tennessee, Department of Treas…8,338$1.21M<0.01%+1,70013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.8,210$1.19M<0.01%-60113F-HRTimelineGroup
WESBANCO BANK INC8,200$1.19M0.03%013F-HRTimeline
MEYER HANDELMAN CO7,900$1.14M0.04%013F-HRTimeline
Holocene Advisors, LP7,679$1.11M<0.01%+4,47913F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC7,313$1.05M<0.01%+2,79713F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…6,951$1.01M<0.01%+6,80613F-HRTimelineGroup
LPL Financial LLC6,891$997K<0.01%-41313F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC6,743$975K<0.01%-29,19313F-HRTimelineGroup
Janney Montgomery Scott LLC6,370$921K<0.01%-64813F-HRTimeline
Old West Investment Management, LLC6,339$917K0.1%-93613F-HRTimeline
Handelsbanken Fonder AB6,066$877K<0.01%+1,00013F-HRTimeline
MACKENZIE FINANCIAL CORP6,060$877K<0.01%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP6,000$868K<0.01%+4,00013F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP5,987$866K<0.01%+3,97313F-HRTimelineGroup
AMALGAMATED BANK5,968$863K0.01%-5313F-HRTimeline
Quantinno Capital Management LP5,919$856K<0.01%+1,10613F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources5,742$831K<0.01%-9613F-HRTimelineGroup
ARIZONA STATE RETIREMENT SYSTEM5,699$824K<0.01%-8513F-HRTimeline
Cetera Investment Advisers5,601$810K<0.01%-7013F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC5,536$801K0.01%-3813F-HRTimeline
HERITAGE INVESTORS MANAGEMENT CORP5,506$796K0.02%013F-HRTimeline
Police & Firemen's Retirement System of…5,456$789K0.01%013F-HRTimeline
ALLSTATE CORPin group ALLSTATE CORP5,245$759K0.01%new13F-HRTimelineGroup
Legato Capital Management LLC5,206$753K0.07%new13F-HRTimeline
Integrated Quantitative Investments LLC5,206$753K0.14%new13F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…5,194$751K0.01%013F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS5,139$743K<0.01%new13F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…5,128$742K<0.01%-513F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND4,760$689K0.01%+6313F-HRTimeline
FOX RUN MANAGEMENT, L.L.C.4,951$680K0.12%new13F-HRTimeline
KLP KAPITALFORVALTNING AS4,600$665K<0.01%+20013F-HRTimeline
Deuterium Capital Management, LLC4,540$657K0.76%new13F-HRTimeline
Man Group plcin group Man Group plc4,514$653K<0.01%-21,06013F-HRTimelineGroup
Central Pacific Bank - Trust Division4,273$618K0.08%013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD4,271$618K<0.01%+81113F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…4,269$618K<0.01%+2,06213F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC4,259$616K<0.01%-2813F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC4,180$605K<0.01%-1,38413F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…4,158$601K<0.01%013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC4,170$599K<0.01%+3,16113F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD4,000$579K<0.01%013F-HRTimeline
FIRST CITIZENS BANK & TRUST CO3,915$566K0.01%-11213F-HRTimeline
Ethic Inc.3,898$564K0.01%-4,99013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\3,894$563K<0.01%+4613F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…3,886$562K<0.01%013F-HRTimelineGroup
CWM, LLCin group CWM, LLC3,883$562K<0.01%-213F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC3,832$554K<0.01%-3,33113F-HRTimelineGroup
Amundiin group Amundi3,825$553K<0.01%+96213F-HRTimelineGroup
Bridgewater Associates, LP3,662$530K<0.01%new13F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC3,567$516K0.03%-17613F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC3,511$508K<0.01%-513F-HRTimeline
CITIGROUP INCin group CITIGROUP INC3,416$494K<0.01%-1,33513F-HRTimelineGroup
Freestone Grove Partners LP3,332$482K<0.01%new13F-HRTimeline
State of Wyoming3,113$450K0.05%-1,93313F-HRTimeline
De Lisle Partners LLP3,100$448K0.05%new13F-HRTimeline
TRED AVON FAMILY WEALTH, LLC3,089$447K0.15%-1013F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd3,078$445K0.01%new13F-HRTimelineGroup
Maryland State Retirement & Pension Sys…3,017$436K0.01%013F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…2,997$434K<0.01%+39013F-HRTimelineGroup
WHITTIER TRUST CO2,834$422K<0.01%+213F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC2,793$404K<0.01%+83413F-HRTimelineGroup
Wealthspire Advisors, LLC2,765$400K<0.01%-45413F-HRTimeline
Gotham Asset Management, LLC2,765$400K<0.01%+38013F-HRTimeline
CAXTON ASSOCIATES LLP2,738$396K0.01%-7,03213F-HRTimeline
CITIZENS FINANCIAL GROUP INC/RIin group CITIZENS FINANCIAL GROUP INC/…2,730$395K0.01%+3713F-HRTimelineGroup
DRW Securities, LLC2,698$390K0.02%new13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd2,662$385K0.01%new13F-HRTimelineGroup
Sanctuary Advisors, LLC2,592$375K<0.01%-6113F-HRTimeline
Hillsdale Investment Management Inc.2,570$372K0.01%+2,50013F-HRTimeline
Snowden Capital Advisors LLC2,556$370K0.01%-99813F-HRTimeline
DIVERSIFIED TRUST CO2,555$370K0.01%+35513F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC2,536$367K<0.01%-2,30713F-HRTimelineGroup
ZACKS INVESTMENT MANAGEMENT2,506$362K<0.01%-42813F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/2,490$360K<0.01%+23113F-HRTimelineGroup
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC2,460$356K0.01%new13F-HRTimelineGroup
Aigen Investment Management, LP2,454$355K0.09%new13F-HRTimeline
UHLMANN PRICE SECURITIES, LLC2,505$354K0.02%new13F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV2,430$352K<0.01%+16413F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP2,267$328K0.03%new13F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…2,167$313K<0.01%-3,29013F-HRTimelineGroup
Penn Capital Management Company, LLC2,137$309K0.02%-2,63313F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…12,506$303K<0.01%+10,60713F-HRTimeline
Bedel Financial Consulting, Inc.2,000$289K0.03%013F-HRTimeline
Zhang Financial LLC2,000$289K0.01%013F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC1,997$289K<0.01%new13F-HRTimelineGroup
Orion Porfolio Solutions, LLC1,985$287K<0.01%-26813F-HRTimeline
ARS Investment Partners, LLC1,960$284K0.01%new13F-HRTimeline
XPONANCE LLC1,948$282K<0.01%+32313F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…1,899$275K<0.01%013F-HRTimeline
Cornerstone Investment Partners, LLC1,875$271K0.01%new13F-HRTimeline