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Disclosery

MTRN MATERION CORP

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COM (common), issuer CIK 1104657

394 managers (407 13F filers) reported a position in MTRN shares at 2026-06-30, 20,336,160 shares in all. 102 filers opened a position and 30 filers sold out during the quarter.

Managers
394
13F filers
407
New
102
Added
130
Reduced
124
Sold out
30
Shares held by filers
20,336,160

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 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
ARS Investment Partners, LLC1,939$577K0.03%-2113F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC1,935$575K<0.01%-60113F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,905$567K0.02%+22513F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…1,899$565K<0.01%013F-HRTimeline
CAPTRUST FINANCIAL ADVISORS1,894$563K<0.01%+3513F-HRTimeline
Aigen Investment Management, LP1,893$563K0.15%-56113F-HRTimeline
CONTRAVISORY INVESTMENT MANAGEMENT, INC.1,867$555K0.1%+4013F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC1,843$548K0.03%013F-HRTimeline
Snowden Capital Advisors LLC1,839$547K0.01%-71713F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,825$543K0.01%+7913F-HRTimelineGroup
CIBC Bancorp USA Inc.in group CIBC Bancorp USA Inc.1,820$541K<0.01%new13F-HRTimelineGroup
CAXTON ASSOCIATES LLP1,805$537K0.01%-93313F-HRTimeline
Cornerstone Investment Partners, LLC1,791$533K0.02%-8413F-HRTimeline
Crossmark Global Holdings, Inc.1,781$530K0.01%new13F-HRTimeline
SG Americas Securities, LLC1,758$523K<0.01%new13F-HRTimeline
Merit Financial Group, LLC1,757$523K<0.01%+7913F-HR/ATimeline
Mariner, LLCin group Mariner, LLC1,745$519K<0.01%new13F-HRTimelineGroup
Whalen Wealth Management Inc.1,690$503K0.23%-11113F-HRTimeline
HIGHLAND CAPITAL MANAGEMENT, LLC1,674$498K0.02%new13F-HRTimeline
SIMPLEX TRADING, LLC1,663$495K0.01%new13F-HRTimeline
Hillsdale Investment Management Inc.1,650$491K0.01%-92013F-HRTimeline
Ensign Peak Advisors, Inc1,648$490K<0.01%-10013F-HRTimeline
Summit Global Investmentsin group Summit Global Investments1,635$486K0.03%013F-HRTimelineGroup
SkyView Investment Advisors, LLC1,550$461K0.36%+13613F-HRTimeline
PERSONAL CFO SOLUTIONS, LLC1,539$458K0.07%-19413F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth1,533$456K<0.01%new13F-HRTimelineGroup
WETZEL INVESTMENT ADVISORS, INC.1,500$446K0.15%013F-HRTimeline
Atria Investments, Inc1,449$431K<0.01%-14013F-HRTimeline
SOROS FUND MANAGEMENT LLCin group SOROS FUND MANAGEMENT LLC1,437$427K0.01%-19,70513F-HRTimelineGroup
&PARTNERS1,404$418K<0.01%new13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC1,400$416K<0.01%-59713F-HRTimelineGroup
AdvisorNet Financial, Inc1,398$416K0.02%013F-HRTimeline
Abel Hall, LLC1,390$413K0.07%new13F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP1,377$410K<0.01%new13F-HR/ATimelineGroup
ANB BANK1,377$410K0.15%new13F-HRTimeline
Gladstone Institutional Advisory LLC1,350$401K0.01%-25013F-HRTimeline
BAILARD, INC.1,300$387K0.01%new13F-HRTimeline
CIBC Asset Management Inc1,226$365K<0.01%new13F-HRTimeline
DRW Securities, LLC1,218$362K0.02%-1,48013F-HRTimeline
CAPITAL COUNSEL LLC/NY1,200$357K0.01%new13F-HRTimeline
CHOREO, LLC1,198$356K<0.01%new13F-HRTimeline
Triad Wealth Partners, LLC1,649$352K0.02%new13F-HRTimeline
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…1,102$328K<0.01%new13F-HRTimelineGroup
Hardin Capital Partners, LLC1,100$327K0.15%new13F-HRTimeline
PROFUND ADVISORS LLC1,083$322K0.01%new13F-HRTimeline
Harvest Investment Services, LLC1,076$320K0.05%new13F-HRTimeline
New Age Alpha Advisors, LLC1,075$320K0.01%-26913F-HRTimeline
Engineers Gate Manager LP1,074$319K<0.01%new13F-HRTimeline
SYON CAPITAL LLC1,071$319K0.01%new13F-HRTimeline
Callan Family Office, LLCin group Callan Family Office, LLC1,061$316K0.01%new13F-HRTimelineGroup
LBP AM SA1,058$315K<0.01%new13F-HRTimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.1,044$310K0.02%+2313F-HRTimelineGroup
Sequoia Financial Advisors, LLC1,025$305K<0.01%new13F-HRTimeline
OP Asset Management Ltd1,016$302K<0.01%-66913F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …1,010$300K<0.01%new13F-HRTimelineGroup
INCEPTIONR LLC1,007$299K0.07%new13F-HRTimeline
WEDBUSH SECURITIES INC997$296K0.01%new13F-HRTimeline
Savant Capital, LLCin group Savant Capital, LLC1,332$295K<0.01%new13F-HRTimelineGroup
DNB Asset Management ASin group DNB Asset Management AS988$294K<0.01%new13F-HRTimelineGroup
Arax Advisory Partners976$290K<0.01%+83213F-HRTimeline
MML INVESTORS SERVICES, LLC973$289K<0.01%new13F-HRTimeline
Capstone Capital Management Ltd890$265K0.12%new13F-HRTimeline
Smartleaf Asset Management LLC911$264K0.01%013F-HRTimeline
Empowered Funds, LLC886$263K<0.01%new13F-HRTimeline
Argos Wealth Advisors, LLC860$256K0.07%new13F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…859$255K<0.01%new13F-HRTimelineGroup
BROWN, LISLE/CUMMINGS, INC.854$254K0.06%013F-HRTimeline
Amundiin group Amundi854$254K<0.01%-2,97113F-HRTimelineGroup
Nykredit A/Sin group Nykredit A/S850$253K<0.01%13F-HR/ATimelineGroup
SAGE RHINO CAPITAL LLC848$252K0.04%new13F-HRTimeline
Ironwood Investment Counsel, LLC843$251K0.03%new13F-HRTimeline
Legacy Wealth Asset Management, LLC841$250K0.05%new13F-HRTimeline
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC811$241K0.01%-1,64913F-HRTimelineGroup
Meridian Wealth Management, LLC809$241K0.01%new13F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …807$240K<0.01%-9613F-HRTimelineGroup
Ellevest, Inc.804$239K0.03%new13F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…798$237K<0.01%new13F-HRTimelineGroup
Odyssean, LLC796$237K0.04%new13F-HRTimeline
Blackstone Inc.in group Blackstone Inc.783$233K<0.01%-30,26113F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC776$231K<0.01%new13F-HRTimelineGroup
Cambridge Investment Research Advisors,…769$229K<0.01%new13F-HR/ATimeline
MANGROVE PARTNERS IM, LLC770$229K0.02%new13F-HRTimeline
GREENLEAF TRUST759$226K<0.01%new13F-HRTimeline
F/m Investments LLC757$224K0.01%new13F-HRTimeline
Proficio Capital Partners LLC745$222K0.01%new13F-HRTimeline
Krane Funds Advisors LLC740$220K0.01%new13F-HRTimeline
Global Retirement Partners, LLC732$218K<0.01%13F-HRTimeline
KBC Group NVin group KBC Group NV717$213K<0.01%-18213F-HRTimelineGroup
Banque Cantonale Vaudoisein group Banque Cantonale Vaudoise712$212K0.01%-13613F-HRTimelineGroup
ELEVATION POINT WEALTH PARTNERS, LLC709$211K<0.01%new13F-HRTimeline
Inscription Capital, LLC707$210K0.02%new13F-HRTimeline
GAMMA Investing LLC703$209K0.01%+12213F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD700$208K<0.01%-3,30013F-HRTimeline
Rehmann Capital Advisory Group687$204K0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.628$187K<0.01%+25613F-HRTimelineGroup
TD Waterhouse Canada Inc.650$184K<0.01%013F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.550$164K<0.01%+11813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Pinnacle Wealth Planning Services, Inc.516$153K0.01%+1013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…508$151K<0.01%-1913F-HRTimelineGroup
ARK Investment Management LLCin group ARK Investment Management LLC455$135K<0.01%-11613F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…406$121K<0.01%+1113F-HRTimelineGroup
Parallel Advisors, LLC365$109K<0.01%+30113F-HRTimeline
SBI Securities Co., Ltd.355$106K<0.01%+32313F-HRTimeline
Versant Capital Management, Inc353$105K0.01%013F-HRTimeline
Farther Finance Advisors, LLC320$95.1K<0.01%+5313F-HRTimeline
Kemnay Advisory Services Inc.316$94K0.01%+15113F-HRTimeline
CHESAPEAKE ASSET MANAGEMENT LLC300$89.2K0.07%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…292$86.8K<0.01%-5113F-HRTimeline
Covestor Ltd285$85K0.05%+28413F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP287$82.4K<0.01%+8713F-HRTimelineGroup
Salomon & Ludwin, LLC265$75.1K0.01%013F-HRTimeline
Anchor Investment Management, LLC250$74.3K0.01%013F-HRTimeline
Measured Wealth Private Client Group, L…236$70.2K0.02%-5213F-HRTimeline
Steward Partners Investment Advisory, L…194$57.7K<0.01%+4413F-HRTimeline
SIGNATUREFD, LLC193$57.4K<0.01%+2413F-HRTimeline
Allworth Financial LP175$52K<0.01%+4313F-HRTimeline
Essential Partners LLC160$47.6K0.02%+913F-HRTimeline
UMB Bank, n.a.159$47.3K<0.01%+713F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
FIRST HORIZON CORP152$45.2K<0.01%013F-HRTimeline
Larson Financial Group LLC144$42.8K<0.01%+13913F-HRTimeline
Retirement Wealth Solutions LLC139$41.3K0.02%013F-HRTimeline
Key Financial Inc138$41K0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB136$40.4K<0.01%+1613F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.134$39.9K<0.01%new13F-HRTimelineGroup
HARBOR INVESTMENT ADVISORY, LLC108$32.1K<0.01%new13F-HRTimeline
Cornerstone Planning Group LLC125$31.4K<0.01%-2113F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp104$30.9K<0.01%013F-HRTimelineGroup
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT…100$29.7K<0.01%013F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO99$29.4K<0.01%013F-HRTimelineGroup
Bayforest Capital Ltd91$27.1K0.03%new13F-HRTimeline
NewEdge Advisors, LLC90$26.8K<0.01%013F-HRTimeline
Valued Wealth Advisors LLC86$25.6K0.01%+1813F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK80$23.8K<0.01%+1713F-HRTimelineGroup
Sterling Capital Management LLC74$22K<0.01%-50613F-HRTimeline
KAYNE ANDERSON RUDNICK INVESTMENT MANAG…72$21.4K<0.01%013F-HRTimeline
USA FINANCIAL FORMULAS72$21.4K<0.01%13F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.70$21K<0.01%-513F-HRTimeline
ROTHSCHILD INVESTMENT LLC67$19.9K<0.01%+113F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…59$17.5K<0.01%013F-HRTimelineGroup
Accent Capital Management, LLC59$17.5K0.01%-813F-HRTimeline
Dogwood Wealth Management LLC45$13.4K0.01%+1513F-HRTimeline
AMERIFLEX GROUP, INC.44$13.1K0.01%new13F-HRTimeline
WPG Advisers, LLC42$12.5K0.01%013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…38$11.3K<0.01%+2413F-HRTimelineGroup
Parkside Financial Bank & Trust31$9.22K<0.01%013F-HRTimeline
Blue Trust, Inc.30$8.92K<0.01%013F-HRTimeline
MidFirst Bank26$7.73K<0.01%-913F-HRTimeline
Quarry LP25$7.43K<0.01%new13F-HRTimeline
Bare Financial Services, Inc25$7.43K<0.01%+1913F-HRTimeline
LRI Investments, LLC24$7.14K<0.01%-1513F-HRTimeline
Keating Financial Advisory Services, In…24$7.14K<0.01%+113F-HRTimeline
IFP Advisors, Inc22$6.54K<0.01%-513F-HRTimeline
CVA Family Office, LLC22$6.54K<0.01%+513F-HRTimeline
True Wealth Design, LLC21$6.25K<0.01%-813F-HRTimeline
Concord Wealth Partnersin group Concord Wealth Partners21$6.25K<0.01%new13F-HRTimelineGroup
Synergy Investment Management, LLC31$5.87K<0.01%new13F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC17$5.06K<0.01%013F-HRTimelineGroup
JFS WEALTH ADVISORS, LLC17$5.06K<0.01%+613F-HRTimeline
Hughes Financial Services, LLC17$5.06K<0.01%+1613F-HRTimeline
HARBOUR INVESTMENTS, INC.15$4.46K<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…12$3.57K<0.01%-113F-HRTimelineGroup
Fortitude Family Office, LLC12$3.57K<0.01%+313F-HRTimeline
Bogart Wealth, LLC11$3.27K<0.01%013F-HRTimeline
Westfuller Advisors, LLC10$3.1K<0.01%013F-HRTimeline
MONTAG A & ASSOCIATES INC10$3.04K<0.01%-513F-HRTimeline
Farmers & Merchants Trust Co of Chamber…10$3K<0.01%013F-HRTimeline
Aventura Private Wealth, LLC10$2.97K<0.01%new13F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC9$2.68K<0.01%+313F-HRTimeline
BELLEVUE ASSET MANAGEMENT, LLC9$2.68K<0.01%new13F-HRTimeline
FIDUCIARY FINANCIAL ADVISORS9$2.68K<0.01%new13F-HRTimeline
JPL Wealth Management, LLC8$2.38K<0.01%013F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…8$2.38K<0.01%+313F-HRTimeline
Capital Advisors, Ltd. LLC8$2K<0.01%013F-HRTimeline
Clearstead Advisors, LLC6$1.78K<0.01%new13F-HRTimeline
Creative Capital Management Investments…6$1.78K<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.5$1.49K<0.01%+113F-HRTimeline
DiNuzzo Private Wealth, Inc.5$1.49K<0.01%+313F-HRTimeline
Rialto Wealth Management, LLC5$1.49K<0.01%+313F-HRTimeline
FINANCIAL CONSULATE, INC4$1.19K<0.01%013F-HRTimeline
HFM Investment Advisors, LLC4$1.19K<0.01%+213F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC3$893<0.01%013F-HRTimeline
Plante Moran Financial Advisors, LLC3$892<0.01%new13F-HRTimeline
Ankerstar Wealth, LLC3$892<0.01%013F-HRTimeline
Signature Equity Partners, LLC2$605<0.01%013F-HRTimeline
Bay Harbor Wealth Management, LLC2$595<0.01%+113F-HRTimeline
Fulcrum Asset Management LLP2$579<0.01%new13F-HRTimeline
Abound Wealth Management1$298<0.01%013F-HRTimeline
SHP Wealth Management1$297<0.01%new13F-HRTimeline
Davis Capital Management1$297<0.01%new13F-HRTimeline
DecisionPoint Financial, LLC1$284<0.01%new13F-HRTimeline
Financial Life Planners1$184<0.01%013F-HRTimeline
Evolution Advisers, Inc.1$00%new13F-HRTimelineValue filed as zero, left out of ratios.
Navigoe, LLC1$00%new13F-HRTimelineValue filed as zero, left out of ratios.
NOMURA ASSET MANAGEMENT CO LTDin group NOMURA ASSET MANAGEMENT CO LTD0$00%new13F-HRTimelineGroupValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.