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Disclosery

MTRN MATERION CORP

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COM (common), issuer CIK 1104657

291 managers (297 13F filers) reported a position in MTRN shares at 2025-12-31, 19,743,282 shares in all. 28 filers opened a position and 33 filers sold out during the quarter.

Managers
291
13F filers
297
New
28
Added
84
Reduced
120
Sold out
33
Shares held by filers
19,743,282

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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.3,300,636$410M0.01%+28,20413F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding2,346,933$292M-11,817Timeline
Capital Research Global Investorsin group Capital Research Global Inves…1,893,919$235M0.04%-17,74613F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,209,634$150M0.01%-127,62613F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP990,694$123M0.03%-12,25813F-HRTimelineGroup
BARROW HANLEY MEWHINNEY & STRAUSS LLC563,369$70M0.23%-40,98113F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC521,376$64.8M0.03%+156,16413F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC489,539$60.9M<0.01%-30213F-HRTimelineGroup
ACK Asset Management LLC474,800$59M7.41%-50,00013F-HRTimeline
Trigran Investments, Inc.458,073$56.9M11.22%-39,65613F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY429,482$53.4M<0.01%+46,61313F-HR/ATimelineGroup
SEGALL BRYANT & HAMILL, LLC360,495$44.8M0.61%+10,99513F-HRTimeline
Harvey Partners, LLC319,500$39.7M3.57%+1,50013F-HRTimeline
Copeland Capital Management, LLC304,939$37.9M0.85%-67,90913F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co303,665$37.8M0.01%-28513F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…293,875$36.5M0.05%+6,96213F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC288,041$36.3M0.01%+120,84113F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA257,488$32M0.01%-50,19113F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP249,380$31M<0.01%-22,07013F-HRTimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding200,450$24.9M+800Timeline
Aberdeen Group plcin group Aberdeen Group plc196,346$24.4M0.04%-32,00713F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO166,719$20.7M<0.01%-23,90713F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC164,750$20.5M0.43%+11,39413F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp157,028$19.5M<0.01%-6,44213F-HRTimelineGroup
Fisher Asset Management, LLC140,265$17.4M0.01%-8,43213F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP135,877$17.2M0.01%-39,40113F-HRTimeline
Granahan Investment Management, LLC138,226$17.2M0.74%+43,95013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/109,128$13.6M<0.01%+17,38013F-HRTimelineGroup
ROYCE & ASSOCIATES LP108,440$13.5M0.14%+10,94013F-HRTimeline
UBS Group AGgroup of 2 filers holding102,620$12.8M+7,248Timeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding98,869$12.3M-1,328Timeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC83,473$10.4M<0.01%-4,43913F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC81,399$10.1M0.09%+3,37113F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC74,679$9.28M<0.01%-8,16913F-HR/ATimelineGroup
KING LUTHER CAPITAL MANAGEMENT CORP74,075$9.21M0.04%+36,11213F-HRTimeline
Invesco Ltd.in group Invesco Ltd.73,836$9.18M<0.01%+1,01313F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN72,582$9.02M<0.01%+20,11313F-HRTimelineGroup
Public Sector Pension Investment Board71,718$8.92M0.03%-9,16213F-HRTimeline
GENDELL JEFFREY Lin group GENDELL JEFFREY L71,296$8.86M0.15%013F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO70,605$8.78M0.01%+10,23713F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding69,387$8.63M-17,500Timeline
Nuveen, LLCin group TIAA68,878$8.56M<0.01%-47,99813F-HRTimelineGroup
HighTower Advisors, LLC63,404$7.88M0.01%-1713F-HRTimeline
RHUMBLINE ADVISERS63,290$7.87M0.01%-5,11913F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS63,113$7.85M<0.01%+28,47313F-HRTimelineGroup
Phocas Financial Corp.62,326$7.75M1.01%-15113F-HR/ATimeline
Concentric Capital Strategies, LP61,538$7.65M0.4%new13F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…58,000$7.21M0.01%+33,50013F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…53,614$6.67M0.07%+1,51913F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc52,417$6.52M<0.01%-2,89013F-HRTimelineGroup
Lumbard & Kellner, LLC51,535$6.41M2.24%-75513F-HRTimeline
ProShare Advisors LLC51,300$6.38M0.01%-7,82513F-HRTimeline
HEARTLAND ADVISORS INC50,859$6.32M0.34%-29,58113F-HRTimeline
Fiera Capital Corpin group Fiera Capital Corp45,718$5.68M0.02%+9,25013F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC44,952$5.59M0.02%+11,20613F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC44,885$5.58M<0.01%-78613F-HRTimelineGroup
SailingStone Capital Partners LLC42,322$5.26M1.31%-10,20013F-HRTimeline
Swiss National Bank40,800$5.07M<0.01%+50013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC40,643$5.05M0.01%+11,37613F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\40,409$5.02M<0.01%-4,71313F-HRTimelineGroup
Gilman Hill Asset Management, LLC37,753$4.69M0.74%+2,85013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC35,936$4.47M<0.01%+1,19013F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC35,814$4.45M<0.01%+24,17313F-HRTimelineGroup
F/m Investments LLC35,373$4.4M0.17%-92813F-HRTimeline
CHATHAM CAPITAL GROUP, INC.32,038$3.98M0.57%+29013F-HRTimeline
ALGERT GLOBAL LLC31,850$3.96M0.06%-3,02013F-HR/ATimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC31,714$3.94M0.01%+27,96313F-HRTimelineGroup
SG Americas Securities, LLC30,806$3.83M0.01%+28,69413F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding30,204$3.75M+5,933Timeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP26,959$3.35M<0.01%-3,99113F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P25,863$3.22M0.08%+5,15313F-HRTimeline
Man Group plcin group Man Group plc25,574$3.18M0.01%-17,18113F-HRTimelineGroup
Oliver Luxxe Assets LLC24,877$3.09M0.47%+11,02513F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC24,835$3.09M0.01%-81113F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…24,394$3.03M0.01%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC22,815$2.84M<0.01%-8,43713F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.21,857$2.72M<0.01%-1,05813F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…21,629$2.69M0.01%-10013F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/21,416$2.66M<0.01%+2,89913F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co21,199$2.63M<0.01%+1,81613F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…19,686$2.45M<0.01%+51713F-HRTimeline
RICE HALL JAMES & ASSOCIATES, LLC17,546$2.18M0.12%-12613F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…15,984$1.99M<0.01%-3,24513F-HRTimelineGroup
Jackson Creek Investment Advisors LLC15,768$1.96M0.58%-34413F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND15,629$1.94M<0.01%-6213F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…14,246$1.77M<0.01%-70713F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC14,020$1.74M<0.01%-19,52313F-HRTimelineGroup
Pinnacle Financial Partners, Inc.in group Pinnacle Financial Partners, …12,582$1.56M0.01%13F-HR/ATimelineGroup
PINNACLE ASSOCIATES LTD12,199$1.52M0.02%-84613F-HRTimeline
State of Alaska, Department of Revenue11,356$1.41M0.02%+12613F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…11,327$1.41M0.01%-77813F-HRTimelineGroup
KINGSWOOD WEALTH ADVISORS, LLC11,318$1.41M0.07%-25013F-HRTimeline
Dakota Wealth Management11,300$1.4M0.02%-25513F-HR/ATimeline
NISA INVESTMENT ADVISORS, LLC11,239$1.4M<0.01%-12,11813F-HRTimeline
NorthCrest Asset Manangement, LLC10,544$1.37M0.03%-2413F-HRTimeline
Illinois Municipal Retirement Fund10,743$1.34M0.02%-15413F-HRTimeline
Advisors Asset Management, Inc.10,183$1.27M0.02%-73513F-HR/ATimeline
OP Asset Management Ltd10,094$1.25M0.02%013F-HR/ATimeline
CAXTON ASSOCIATES LLP9,770$1.21M0.02%+2,17513F-HRTimeline
Louisiana State Employees Retirement Sy…9,500$1.18M0.02%013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …9,321$1.16M<0.01%-59013F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson8,930$1.11M<0.01%013F-HRTimelineGroup
Ethic Inc.8,888$1.1M0.02%+36813F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.8,811$1.1M<0.01%013F-HRTimelineGroup
WESBANCO BANK INC8,200$1.02M0.03%013F-HRTimeline
MEYER HANDELMAN CO7,900$982K0.03%013F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC7,679$955K<0.01%-21113F-HRTimeline
State of Tennessee, Department of Treas…6,638$918K<0.01%-4,03413F-HRTimeline
LPL Financial LLC7,304$908K<0.01%+2,98013F-HRTimeline
Old West Investment Management, LLC7,275$904K0.16%+31313F-HRTimeline
COMERICA BANK7,165$891K<0.01%-1,47213F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC7,163$891K<0.01%-2,23513F-HRTimelineGroup
Janney Montgomery Scott LLC7,018$872K<0.01%+46913F-HRTimeline
Creative Planningin group Creative Planning6,703$833K<0.01%+94613F-HRTimelineGroup
YOUSIF CAPITAL MANAGEMENT, LLC5,574$811K0.01%-81713F-HRTimeline
Engineers Gate Manager LP6,407$797K0.01%-7,78513F-HRTimeline
AMALGAMATED BANK6,021$749K0.01%+313F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources5,838$726K<0.01%+2,93013F-HRTimelineGroup
Caption Management, LLC5,800$721K0.03%013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM5,784$719K<0.01%-37513F-HRTimeline
Cetera Investment Advisers5,671$705K<0.01%-51413F-HRTimeline
HERITAGE INVESTORS MANAGEMENT CORP5,506$685K0.02%013F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…5,457$678K0.01%new13F-HRTimelineGroup
Police & Firemen's Retirement System of…5,456$678K0.01%-27413F-HRTimeline
Verition Fund Management LLC5,200$646K<0.01%-65513F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…5,194$646K<0.01%-71913F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC5,564$643K<0.01%+5013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…5,133$638K<0.01%-14613F-HRTimeline
Handelsbanken Fonder AB5,066$630K<0.01%013F-HRTimeline
State of Wyoming5,046$627K0.07%+4,91413F-HRTimeline
FMR LLCin group FMR LLC4,965$617K<0.01%+36613F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC4,843$602K<0.01%+75413F-HRTimelineGroup
Quantinno Capital Management LP4,813$598K<0.01%+92613F-HRTimeline
Penn Capital Management Company, LLC4,770$593K0.05%-76113F-HRTimeline
CITIGROUP INCin group CITIGROUP INC4,751$591K<0.01%-1,80913F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND4,697$584K0.01%013F-HRTimeline
Summit Global Investmentsin group Summit Global Investments4,587$570K0.03%new13F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC4,516$565K<0.01%-62413F-HR/ATimelineGroup
KLP KAPITALFORVALTNING AS4,400$547K<0.01%+20013F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC4,287$533K<0.01%-1,00713F-HRTimelineGroup
Central Pacific Bank - Trust Division4,273$531K0.07%-4313F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…4,158$517K<0.01%013F-HRTimeline
FIRST CITIZENS BANK & TRUST CO4,027$501K0.01%-1213F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD4,000$497K<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…3,886$483K<0.01%-1313F-HRTimelineGroup
CWM, LLCin group CWM, LLC3,885$483K<0.01%+1013F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\3,848$478K<0.01%-4,13913F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC3,743$465K0.04%-5013F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…3,670$456K0.01%+62413F-HRTimelineGroup
Polymer Capital Management (US) LLC3,628$451K0.06%new13F-HRTimeline
Snowden Capital Advisors LLC3,554$442K0.01%-1,44113F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC3,516$437K<0.01%+29013F-HRTimeline
AlphaQuest LLC3,465$431K0.02%+1,40213F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD3,460$430K<0.01%-43113F-HRTimeline
Wealthspire Advisors, LLC3,219$400K<0.01%+9213F-HRTimeline
Holocene Advisors, LP3,200$398K<0.01%-1,68513F-HRTimeline
TRED AVON FAMILY WEALTH, LLC3,099$385K0.13%-2613F-HRTimeline
WHITTIER TRUST CO2,832$381K<0.01%+213F-HRTimeline
Maryland State Retirement & Pension Sys…3,017$375K0.01%+3713F-HRTimeline
ZACKS INVESTMENT MANAGEMENT2,934$365K<0.01%-49313F-HRTimeline
Amundiin group Amundi2,863$356K<0.01%-95313F-HRTimelineGroup
CITIZENS FINANCIAL GROUP INC/RIin group CITIZENS FINANCIAL GROUP INC/…2,693$335K<0.01%-1013F-HRTimelineGroup
Sanctuary Advisors, LLC2,653$330K<0.01%-19913F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…2,607$324K<0.01%013F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…1,899$308K<0.01%-8913F-HRTimeline
Gotham Asset Management, LLC2,385$297K<0.01%-1,63713F-HRTimeline
TWO SIGMA SECURITIES, LLC2,348$292K0.04%new13F-HRTimeline
MidFirst Bank2,320$288K0.02%13F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV2,266$282K<0.01%+9113F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/2,259$281K<0.01%-2613F-HRTimelineGroup
Orion Porfolio Solutions, LLC2,253$280K<0.01%-23313F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…2,207$274K<0.01%013F-HRTimeline
DIVERSIFIED TRUST CO2,200$274K0.01%+413F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC2,050$255K0.02%013F-HRTimeline
IEQ CAPITAL, LLC2,026$252K<0.01%-3,99213F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP2,014$250K<0.01%-5,34413F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP2,000$249K<0.01%new13F-HRTimelineGroup
Bedel Financial Consulting, Inc.2,000$249K0.03%013F-HRTimeline
Zhang Financial LLC2,000$249K0.01%013F-HRTimeline
CAPTRUST FINANCIAL ADVISORS1,998$248K<0.01%new13F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC1,959$244K<0.01%-3913F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…1,899$236K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,873$233K0.01%+84813F-HRTimelineGroup
CONTRAVISORY INVESTMENT MANAGEMENT, INC.1,827$227K0.04%new13F-HRTimeline
PERSONAL CFO SOLUTIONS, LLC1,825$227K0.04%-45913F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth1,805$224K<0.01%-46313F-HRTimelineGroup
Ensign Peak Advisors, Inc1,748$217K<0.01%-3,15013F-HR/ATimeline
Mariner, LLCin group Mariner, LLC1,724$214K<0.01%-1,50613F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,680$209K0.01%-10413F-HRTimelineGroup
Merit Financial Group, LLC1,653$206K<0.01%-2313F-HRTimeline
PROFUND ADVISORS LLC1,650$205K0.01%new13F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …1,642$204K<0.01%new13F-HRTimelineGroup
Atria Investments, Inc1,634$203K<0.01%-17513F-HRTimeline
XPONANCE LLC1,625$202K<0.01%new13F-HRTimeline
AdvisorNet Financial, Inc1,398$174K0.01%-3513F-HRTimeline
New Age Alpha Advisors, LLC1,384$172K0.01%-1,61513F-HRTimeline
Smartleaf Asset Management LLC1,312$166K0.01%+63413F-HRTimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.1,021$127K0.01%-70813F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC1,009$124K<0.01%+38713F-HRTimelineGroup
Sterling Capital Management LLC990$123K<0.01%-17713F-HRTimeline