MATERION CORP

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MTRN·576690101·US·Common Stock·Basic Materials - Other Industrial Metals & Mining-13D/G

MTRN (MATERION CORP) is held by 172 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($1B), STATE STREET CORP ($433M), VANGUARD PORTFOLIO MANAGEMENT LLC ($415.3M). Net institutional sentiment: Mixed.

172

Holders

(13 Elite)

$5.1B

Total Value

60% (172)

Consensus

104 buying - 68 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)74

Insider (Form 4)62

Activist (13D/13G)75

Congressional (STOCK Act)42

Holder Quality

54

★★★★★

Elite

72

★★★★

Strong

62

★★★

Solid

20

★★

Below

89

★

Weak

Held by 172 funds

13 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Aug 25, 2026 · Activists May 14, 2026 · Congress none

InsiderLMLIGGETT EMILY MGift 2K shAug 21, 2026

InsiderCMChadwick Shelly MarieSell $500KAug 7, 2026

ActivistCapital Research Global Investors3.8%May 14, 2026

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Top Holders

Top Holders (172)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	3.5M(+3.1%)	$1B	0.0%	+124.31%	33
STATE STREET CORP	Increased	1.5M(+9.6%)	$433M	0.0%	+75.93%	34
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	1.4M(+3.5%)	$415.3M	0.0%	+57.82%	32
Capital Research Global Investors	Increased	1M(+26.7%)	$297.5M	0.0%	+72.77%	38
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	937,553(+1.0%)	$278.8M	0.0%	+61.62%	31
AMERICAN CENTURY COMPANIES INC	Decreased	616,020(-30.2%)	$183.2M	0.1%	+94.62%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	591,006(+17.3%)	$175.8M	0.0%	+123.43%	35
DIMENSIONAL FUND ADVISORS LP	Decreased	577,952(-34.7%)	$171.9M	0.0%	+106.86%	0
Fisher Asset Management, LLC	Increased	495,230(+12.0%)	$147.3M	0.0%	+66.88%	34
BARROW HANLEY MEWHINNEY & STRAUSS LLC	Decreased	446,069(-15.8%)	$132.7M	0.4%	+211.37%	0
MORGAN STANLEY	Decreased	411,140(-3.1%)	$122.3M	0.0%	+106.69%	0
MAMIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Increased	281,712(+8.1%)	$83.8M	0.1%	+105.38%	32
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	270,972(-7.4%)	$80.6M	0.0%	+280.50%	0
NORTHERN TRUST CORP	Increased	264,657(+6.8%)	$78.7M	0.0%	+216.94%	32
RAYMOND JAMES FINANCIAL INC	Decreased	245,405(-16.1%)	$73M	0.0%	+100.29%	0
GOLDMAN SACHS GROUP INC	Increased	235,842(+101.8%)	$70.1M	0.0%	+13.62%	48
Nuveen, LLC	Increased	228,570(+59.6%)	$68M	0.0%	+25.63%	42
Invesco Ltd.	Increased	200,119(+11.7%)	$59.5M	0.0%	+65.86%	33
GAMCO INVESTORS, INC. ET AL	Decreased	180,940(-5.4%)	$53.8M	0.5%	+308.86%	0
BANK OF AMERICA CORP /DE/	Increased	173,108(+46.0%)	$51.5M	0.0%	+39.02%	40

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer