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Disclosery

MTRN MATERION CORP

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COM (common), issuer CIK 1104657

251 managers (257 13F filers) reported a position in MTRN shares at 2025-06-30, 19,461,502 shares in all. 35 filers opened a position and 32 filers sold out during the quarter.

Managers
251
13F filers
257
New
35
Added
109
Reduced
77
Sold out
32
Shares held by filers
19,461,502

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, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, 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.3,327,759$264M0.01%-79,20413F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC2,385,854$189M<0.01%-91,51713F-HRTimelineGroup
Capital Research Global Investorsin group Capital Research Global Inves…1,911,665$152M0.03%+49,02113F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,298,956$103M<0.01%+283,99813F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,010,490$80.2M0.02%-62,96213F-HRTimelineGroup
Trigran Investments, Inc.798,747$63.4M11.01%+3,98213F-HR/ATimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC640,201$50.8M0.17%+123,64313F-HRTimeline
ACK Asset Management LLC524,800$41.7M5.47%+65,60013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC487,186$38.7M<0.01%+10,46813F-HRTimelineGroup
Copeland Capital Management, LLC465,746$37M0.76%+64,28913F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA343,866$27.3M0.01%+48,84813F-HR/ATimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co289,473$23M<0.01%+20,82913F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…282,444$22.4M0.04%-6,66213F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP279,687$22.2M<0.01%-8,92413F-HRTimelineGroup
SEGALL BRYANT & HAMILL, LLC271,151$21.5M0.3%+30,50313F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC238,418$18.9M0.01%+164,43313F-HRTimelineGroup
Aberdeen Group plcin group Aberdeen Group plc214,663$17M0.03%-33,90213F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY214,385$17M<0.01%+92813F-HRTimelineGroup
SILVERCREST ASSET MANAGEMENT GROUP LLC212,660$16.9M0.11%-17,63113F-HRTimeline
GAMCO Investors (Gabelli)group of 2 filers holding191,650$15.2M-600Timeline
SCHRODER INVESTMENT MANAGEMENT GROUP164,275$13M0.01%+1,16113F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp162,653$12.9M<0.01%-40,88913F-HRTimelineGroup
Fisher Asset Management, LLC127,168$10.1M<0.01%-31,43313F-HRTimeline
Granahan Investment Management, LLC121,005$9.6M0.39%-3,48413F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC105,391$8.36M0.08%-16,61813F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding103,316$8.2M-361Timeline
UBS Group AGgroup of 2 filers holding99,831$7.92M+1,325Timeline
KENNEDY CAPITAL MANAGEMENT LLC98,992$7.86M0.19%+2,07713F-HRTimeline
Ceredex Value Advisors LLC92,350$7.33M0.16%-68,40013F-HRTimeline
HEARTLAND ADVISORS INC90,843$7.21M0.4%-22813F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding87,604$6.95M+14,286Timeline
Qube Research & Technologies Ltd82,019$6.51M0.01%+62,18713F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC81,995$6.51M<0.01%+17,62013F-HRTimelineGroup
ProShare Advisors LLC79,613$6.32M0.01%-4,99113F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC79,087$6.28M0.01%+66,50313F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO74,535$5.92M<0.01%+11,00913F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC72,469$5.75M<0.01%-9,06513F-HRTimelineGroup
Public Sector Pension Investment Board70,949$5.63M0.02%+5,15713F-HRTimeline
RHUMBLINE ADVISERS68,238$5.42M<0.01%+2,75813F-HRTimeline
Invesco Ltd.in group Invesco Ltd.64,155$5.09M<0.01%+65113F-HRTimelineGroup
Nuveen, LLCin group TIAA62,889$4.99M<0.01%-56,06913F-HRTimelineGroup
GENDELL JEFFREY Lin group GENDELL JEFFREY L61,296$4.87M0.13%new13F-HRTimelineGroup
HighTower Advisors, LLC61,194$4.86M0.01%+5,94213F-HRTimeline
Cubist Systematic Strategies, LLC60,281$4.78M0.05%+41,91413F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC59,103$4.69M<0.01%-30,10913F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC58,183$4.62M<0.01%-9,62413F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc57,418$4.56M<0.01%+7213F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…55,368$4.39M0.05%+2,78813F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO54,878$4.35M0.01%+3,28113F-HRTimelineGroup
SailingStone Capital Partners LLC52,522$4.17M1.1%new13F-HRTimeline
Lumbard & Kellner, LLC52,290$4.15M1.81%new13F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC50,193$3.98M0.01%+15,91613F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.47,967$3.81M<0.01%-22,83513F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/46,059$3.66M<0.01%-17,03413F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding42,873$3.4M+4,212Timeline
Swiss National Bank39,800$3.16M<0.01%-40013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC39,723$3.15M<0.01%+12,27913F-HR/ATimelineGroup
Fiera Capital Corpin group Fiera Capital Corp37,536$2.98M0.01%-38713F-HRTimelineGroup
Phocas Financial Corp.37,414$2.97M0.43%-34,11213F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN36,476$2.9M<0.01%-9,49013F-HRTimelineGroup
KING LUTHER CAPITAL MANAGEMENT CORP34,913$2.77M0.01%+1213F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP34,796$2.76M<0.01%+4,11413F-HRTimelineGroup
Gilman Hill Asset Management, LLC34,353$2.73M0.45%+64613F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC21,817$2.45M<0.01%+20513F-HRTimelineGroup
F/m Investments LLC29,763$2.36M0.09%+7613F-HRTimeline
CHATHAM CAPITAL GROUP, INC.29,541$2.34M0.36%-20513F-HRTimeline
Man Group plcin group Man Group plc26,464$2.1M<0.01%new13F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC26,333$2.09M<0.01%+23,06813F-HR/ATimelineGroup
Engineers Gate Manager LP24,861$1.97M0.02%+9,69813F-HRTimeline
RICE HALL JAMES & ASSOCIATES, LLC24,650$1.96M0.11%-313F-HRTimeline
NISA INVESTMENT ADVISORS, LLC23,257$1.85M0.01%-5513F-HRTimeline
ALLIANCEBERNSTEIN L.P.22,911$1.82M<0.01%+14213F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…22,572$1.79M<0.01%-1,82213F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC19,263$1.53M<0.01%-16,05613F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC19,248$1.53M<0.01%-11,81813F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS18,446$1.46M<0.01%+10,97513F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…17,881$1.42M<0.01%-1,03013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co17,832$1.42M<0.01%+36113F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/17,439$1.39M<0.01%+1,65213F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC17,111$1.36M0.01%-2,09413F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP17,046$1.35M<0.01%new13F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…15,305$1.22M<0.01%+6313F-HR/ATimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC14,089$1.12M<0.01%+11,62013F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\13,571$1.08M<0.01%-2,98413F-HRTimelineGroup
ICON ADVISERS INC/CO13,300$1.06M0.24%new13F-HRTimeline
PINNACLE ASSOCIATES LTD12,950$1.03M0.01%+2,13013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND12,417$986K<0.01%-4,84413F-HR/ATimeline
RENAISSANCE TECHNOLOGIES LLC12,400$984K<0.01%-19,90013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…12,384$983K0.01%013F-HRTimelineGroup
State of Alaska, Department of Revenue12,382$982K0.01%+88413F-HRTimeline
KINGSWOOD WEALTH ADVISORS, LLC11,918$946K0.07%-90013F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC11,772$934K<0.01%-28213F-HRTimelineGroup
Dakota Wealth Management11,530$915K0.02%+74013F-HRTimeline
Ensign Peak Advisors, Inc10,948$869K<0.01%013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …10,619$843K<0.01%-37413F-HRTimelineGroup
Illinois Municipal Retirement Fund10,597$841K0.01%-71013F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.10,446$829K<0.01%+10,15113F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd10,379$824K0.02%new13F-HRTimeline
SYNOVUS FINANCIAL CORP10,352$822K0.01%-3913F-HRTimeline
Trexquant Investment LP10,345$821K0.01%-25,30013F-HRTimeline
COMERICA BANK9,858$782K<0.01%+1413F-HRTimeline
Louisiana State Employees Retirement Sy…9,700$770K0.01%-10013F-HRTimeline
Verition Fund Management LLC9,221$732K<0.01%+3,46113F-HRTimeline
State of Tennessee, Department of Treas…9,200$730K<0.01%+2,24013F-HRTimeline
Schonfeld Strategic Advisors LLC9,032$717K0.01%-6,00813F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson8,930$709K<0.01%013F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…8,894$706K<0.01%+1,63713F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC8,661$687K0.01%+2,64413F-HRTimelineGroup
Petrus Trust Company, LTA8,554$679K0.07%+3,37013F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC8,203$651K<0.01%+7913F-HRTimeline
WESBANCO BANK INC8,200$651K0.02%013F-HRTimeline
NorthCrest Asset Manangement, LLC7,517$643K0.02%-3,25013F-HRTimeline
Janney Montgomery Scott LLC7,943$630K<0.01%-85813F-HRTimeline
MEYER HANDELMAN CO7,900$627K0.02%013F-HRTimeline
SG Americas Securities, LLC7,725$613K<0.01%-1,02513F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC7,720$613K0.01%+1613F-HRTimeline
Quantbot Technologies LP7,087$562K0.01%+3,24113F-HRTimeline
Aquatic Capital Management LLC6,710$533K0.01%+4,61913F-HRTimeline
OP Asset Management Ltd6,592$523K0.01%+1,32613F-HR/ATimeline
Ethic Inc.6,038$488K0.01%+3,38513F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC6,091$483K<0.01%+1,01313F-HR/ATimelineGroup
Maryland State Retirement & Pension Sys…6,081$483K0.01%013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM6,074$482K<0.01%+12113F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…6,069$482K<0.01%-42113F-HRTimeline
AMALGAMATED BANK5,931$471K<0.01%013F-HRTimeline
AXQ CAPITAL, LP5,913$469K0.15%new13F-HRTimeline
HERITAGE INVESTORS MANAGEMENT CORP5,727$455K0.01%013F-HRTimeline
Snowden Capital Advisors LLC5,539$440K0.01%+1,03813F-HRTimeline
DRW Securities, LLC5,472$434K0.03%new13F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…5,344$424K<0.01%+37813F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD5,208$413K<0.01%-85113F-HRTimeline
Handelsbanken Fonder AB5,066$402K<0.01%013F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC4,945$392K<0.01%+1,13213F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC4,859$386K0.04%+65013F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND4,797$381K0.01%013F-HRTimeline
Police & Firemen's Retirement System of…4,731$375K<0.01%+31813F-HRTimeline
AVANTAX ADVISORY SERVICES, INC.4,530$360K<0.01%+79513F-HRTimeline
FMR LLCin group FMR LLC4,529$359K<0.01%+51313F-HRTimelineGroup
LGT Group Foundationin group LGT Group Foundation4,400$349K<0.01%013F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC4,392$348K<0.01%+79313F-HRTimelineGroup
Gotham Asset Management, LLC4,335$344K<0.01%-88113F-HRTimeline
LPL Financial LLC4,319$343K<0.01%+66013F-HRTimeline
Central Pacific Bank - Trust Division4,316$343K0.04%+80113F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…4,300$341K<0.01%-7713F-HRTimelineGroup
FIRST CITIZENS BANK & TRUST CO4,267$339K0.01%new13F-HRTimeline
KLP KAPITALFORVALTNING AS4,200$333K<0.01%013F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/4,160$330K<0.01%-1,55713F-HRTimelineGroup
Creative Planningin group Creative Planning4,032$320K<0.01%-6,15613F-HRTimelineGroup
AlphaQuest LLC4,009$318K0.03%new13F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC3,851$307K<0.01%+69913F-HRTimelineGroup
Amundiin group Amundi3,560$305K<0.01%new13F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC3,582$284K<0.01%+18713F-HRTimelineGroup
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…3,406$270K<0.01%013F-HRTimelineGroup
Dynamic Technology Lab Private Ltd3,390$269K0.04%-89013F-HRTimeline
Advisors Asset Management, Inc.3,303$262K<0.01%-5413F-HR/ATimeline
OXFORD ASSET MANAGEMENT LLP3,249$258K0.08%new13F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…3,207$255K<0.01%013F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS3,160$251K<0.01%+12613F-HRTimeline
NORGES BANK3,094$246K<0.01%-19,19313F-HRTimeline
Quantinno Capital Management LP3,076$244K<0.01%new13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC3,041$241K<0.01%new13F-HR/ATimelineGroup
New Age Alpha Advisors, LLC3,036$241K0.01%+4613F-HRTimeline
Entropy Technologies, LP3,000$238K0.02%new13F-HRTimeline
Wealthspire Advisors, LLC2,942$234K<0.01%-2113F-HRTimeline
Aigen Investment Management, LP2,934$233K0.03%new13F-HRTimeline
Orion Porfolio Solutions, LLC2,861$227K<0.01%-12913F-HR/ATimeline
WHITTIER TRUST CO2,826$224K<0.01%+413F-HRTimeline
DOVER ADVISORS, LLC2,638$209K0.09%new13F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth2,631$209K<0.01%new13F-HRTimelineGroup
PERSONAL CFO SOLUTIONS, LLC2,630$209K0.04%new13F-HRTimeline
CIBC WORLD MARKETS CORP2,551$202K<0.01%-2,01813F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,154$171K0.01%013F-HRTimelineGroup
State of Wyoming2,100$167K0.02%-11,96113F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…1,899$151K<0.01%-13313F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.1,875$149K<0.01%013F-HRTimelineGroup
Point72 Asia (Singapore) Pte. Ltd.1,812$144K0.03%-1,30713F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,478$117K<0.01%+95713F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\1,388$110K<0.01%+13813F-HRTimelineGroup
AdvisorNet Financial, Inc1,375$109K0.01%+7313F-HRTimeline
CWM, LLCin group CWM, LLC1,232$98K<0.01%+97913F-HRTimelineGroup
ARK Investment Management LLCin group ARK Investment Management LLC901$71.5K<0.01%+9413F-HRTimelineGroup
KBC Group NVin group KBC Group NV899$71K<0.01%013F-HRTimelineGroup
BROWN, LISLE/CUMMINGS, INC.854$67.8K0.02%013F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …677$54K<0.01%new13F-HRTimelineGroup
TD Waterhouse Canada Inc.650$53.2K<0.01%new13F-HRTimeline
ELEVATION POINT WEALTH PARTNERS, LLC624$49.5K<0.01%new13F-HR/ATimeline
First Horizon Advisors, Inc.585$46.4K<0.01%+11813F-HRTimeline
Smartleaf Asset Management LLC471$38K<0.01%+6613F-HRTimeline
Sterling Capital Management LLC461$36.6K<0.01%+42013F-HR/ATimeline
Arax Advisory Partners440$34.9K<0.01%-613F-HRTimeline
Blue Trust, Inc.425$33.7K<0.01%013F-HRTimeline
GAMMA Investing LLC359$28.5K<0.01%-1,78713F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…349$27.7K<0.01%+3613F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…348$27.6K<0.01%+22513F-HRTimelineGroup
Versant Capital Management, Inc341$27.1K<0.01%+1513F-HRTimeline
Anchor Investment Management, LLC325$25.8K<0.01%-7513F-HRTimeline
CBIZ Investment Advisory Services, LLC306$24.3K<0.01%+6013F-HRTimeline
NewEdge Advisors, LLC298$23.7K<0.01%013F-HRTimeline
Brooklyn Investment Group225$17.9K<0.01%+18313F-HR/ATimeline
Parkside Financial Bank & Trust220$17.5K<0.01%+20513F-HRTimeline