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Disclosery

MTRN MATERION CORP

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COM (common), issuer CIK 1104657

295 managers (302 13F filers) reported a position in MTRN shares at 2025-09-30, 19,912,427 shares in all. 75 filers opened a position and 28 filers sold out during the quarter.

Managers
295
13F filers
302
New
75
Added
100
Reduced
89
Sold out
28
Shares held by filers
19,912,427

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
Freestone Grove Partners LP1,860$225K<0.01%new13F-HRTimeline
Atria Investments, Inc1,809$219K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,784$216K0.01%-37013F-HRTimelineGroup
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.1,729$209K0.01%new13F-HRTimelineGroup
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…1,710$207K<0.01%new13F-HRTimelineGroup
MML INVESTORS SERVICES, LLC1,701$205K<0.01%new13F-HRTimeline
Merit Financial Group, LLC1,676$202K<0.01%new13F-HR/ATimeline
AdvisorNet Financial, Inc1,433$173K0.01%+5813F-HRTimeline
SIMPLEX TRADING, LLC1,434$173K<0.01%new13F-HRTimeline
Aquatic Capital Management LLC1,359$164K<0.01%-5,35113F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.1,307$158K0.02%-50513F-HRTimeline
Sterling Capital Management LLC1,167$141K<0.01%+70613F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,025$124K<0.01%-45313F-HRTimelineGroup
KBC Group NVin group KBC Group NV899$109K<0.01%013F-HRTimelineGroup
BROWN, LISLE/CUMMINGS, INC.854$103K0.03%013F-HRTimeline
C M BIDWELL & ASSOCIATES LTD697$84.2K0.04%new13F-HRTimeline
ARK Investment Management LLCin group ARK Investment Management LLC694$83.8K<0.01%-20713F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …684$83K<0.01%+713F-HRTimelineGroup
Smartleaf Asset Management LLC678$80.4K<0.01%+20713F-HRTimeline
TD Waterhouse Canada Inc.650$79.6K<0.01%013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC622$74K<0.01%new13F-HRTimelineGroup
GAMMA Investing LLC494$59.7K<0.01%+13513F-HRTimeline
Quarry LP390$47.1K0.01%+37613F-HRTimeline
Advisory Services Network, LLC383$46.3K<0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…363$43.9K<0.01%+1413F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…352$42.5K<0.01%+413F-HRTimelineGroup
Versant Capital Management, Inc341$41.2K0.01%013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…340$41.1K<0.01%new13F-HRTimelineGroup
SUMMIT SECURITIES GROUP LLC300$36.2K0.01%new13F-HRTimeline
NewEdge Advisors, LLC298$36K<0.01%013F-HRTimeline
Measured Wealth Private Client Group, L…288$34.8K0.01%new13F-HRTimeline
CBIZ Investment Advisory Services, LLC259$31.3K<0.01%-4713F-HRTimeline
Point72 Europe (London) LLP257$31.1K<0.01%new13F-HRTimeline
Binnacle Investments Inc254$30.7K0.02%+4613F-HRTimeline
Anchor Investment Management, LLC250$30.2K<0.01%-7513F-HRTimeline
MONTAG A & ASSOCIATES INC222$26.9K<0.01%+20913F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.212$26K<0.01%+3313F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.229$25.9K<0.01%+5713F-HRTimelineGroup
DANSKE BANK A/S200$24.2K<0.01%013F-HR/ATimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP182$21.7K<0.01%013F-HRTimelineGroup
Steward Partners Investment Advisory, L…169$20.4K<0.01%013F-HRTimeline
SIGNATUREFD, LLC162$19.6K<0.01%013F-HRTimeline
Retirement Wealth Solutions LLC162$19.5K0.01%013F-HRTimeline
FIRST HORIZON CORP152$18.4K<0.01%13F-HRTimeline
Essential Partners LLC151$18.2K0.01%+13013F-HRTimeline
Cornerstone Planning Group LLC148$17.1K<0.01%+12913F-HRTimeline
Key Financial Inc138$16.9K<0.01%013F-HRTimeline
Salomon & Ludwin, LLC134$16.7K<0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC137$16.6K<0.01%new13F-HRTimeline
State of Wyoming132$15.9K<0.01%-1,96813F-HRTimeline
Farther Finance Advisors, LLC128$15.5K<0.01%+6813F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…126$15.2K<0.01%+1213F-HRTimelineGroup
MassMutual Private Wealth & Trust, FSB120$14.5K<0.01%013F-HRTimeline
Blue Trust, Inc.113$13.7K<0.01%-31213F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.112$13.5K<0.01%new13F-HRTimelineGroup
Allworth Financial LP109$13.2K<0.01%+4313F-HRTimeline
Sunbelt Securities, Inc.100$12.1K<0.01%013F-HRTimeline
Aster Capital Management (DIFC) Ltd99$12K0.01%new13F-HRTimeline
Root Financial Partners, LLC90$10.9K<0.01%new13F-HRTimeline
UMB Bank, n.a.87$10.5K<0.01%+1913F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Abound Wealth Management79$9.54K<0.01%+7713F-HRTimeline
Parallel Advisors, LLC72$8.71K<0.01%+913F-HRTimeline
KAYNE ANDERSON RUDNICK INVESTMENT MANAG…72$8.7K<0.01%013F-HRTimeline
Hillsdale Investment Management Inc.70$8.46K<0.01%new13F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK68$8.21K<0.01%+3413F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.68$8K<0.01%-613F-HRTimeline
ROTHSCHILD INVESTMENT LLC61$7.37K<0.01%+1613F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…59$7.13K<0.01%013F-HRTimelineGroup
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO53$6.4K<0.01%new13F-HRTimelineGroup
WPG Advisers, LLC42$5.07K<0.01%013F-HRTimeline
High Note Wealth, LLC41$4.95K<0.01%new13F-HRTimeline
LRI Investments, LLC40$4.8K<0.01%+713F-HRTimeline
Clearstead Advisors, LLC35$4.23K<0.01%-4613F-HRTimeline
True Wealth Design, LLC29$3.5K<0.01%+2713F-HRTimeline
IFP Advisors, Inc17$2.05K<0.01%-1113F-HR/ATimeline
Hemington Wealth Management17$2K<0.01%+1313F-HRTimeline
HARBOUR INVESTMENTS, INC.15$1.81K<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…15$1.81K<0.01%013F-HRTimelineGroup
Westfuller Advisors, LLC14$1.71K<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust13$1.57K<0.01%-20713F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC11$1.33K<0.01%new13F-HRTimelineGroup
Bogart Wealth, LLC11$1.33K<0.01%013F-HRTimeline
Clearstead Trust, LLC9$1.09K<0.01%013F-HRTimeline
Capital Advisors, Ltd. LLC8$1K<0.01%013F-HRTimeline
JFS WEALTH ADVISORS, LLC7$846<0.01%+613F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC6$725<0.01%new13F-HRTimeline
Larson Financial Group LLC5$604<0.01%-113F-HRTimeline
Fortitude Family Office, LLC3$362<0.01%013F-HRTimeline
SJS Investment Consulting Inc.2$242<0.01%013F-HRTimeline
HFM Investment Advisors, LLC2$242<0.01%new13F-HRTimeline
Rialto Wealth Management, LLC1$121<0.01%new13F-HRTimeline
Bay Harbor Wealth Management, LLC1$120<0.01%new13F-HRTimeline
Financial Life Planners1$75<0.01%new13F-HRTimeline
Cloud Capital Management, LLC2$00%new13F-HRTimelineValue filed as zero, left out of ratios.
Covestor Ltd1$00%-113F-HRTimelineValue filed as zero, left out of ratios.