MATERION CORP (MTRN) Institutional Shareholders
MATERION CORP (MTRN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.83B in MTRN holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MTRN tracked by InsiderSet, reporting ownership valued at approximately $1.03B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $983.49M, representing an estimated loss of -4.79% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 56% of the total disclosed MTRN value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., State Street Corp, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in MATERION CORP (MTRN).
This page ranks the largest institutional MTRN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
393
Total Reported Value
$5.83B
Largest Holder
Blackrock, Inc.
Largest Position
$1.03B
Insider Transactions (90d)
27
Latest Filing Quarter
Q2 2026
New Institutional Positions
77
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 3,473,501 | $1,032,984,711 | $983,487,073 | -$49,497,638 | -4.79% | |
| State Street Corp | 0.01% | 1,456,230 | $433,045,964 | $412,316,962 | -$20,729,002 | -4.79% | |
| Vanguard Portfolio Management Llc | 0.02% | 1,396,559 | $415,322,681 | $395,421,715 | -$19,900,966 | -4.79% | |
| Capital Research Global Investors | 0.04% | 1,000,456 | $297,525,610 | $283,269,112 | -$14,256,498 | -4.79% | |
| Vanguard Capital Management Llc | 0.01% | 937,553 | $278,818,887 | $265,458,756 | -$13,360,131 | -4.79% | |
| American Century Companies Inc | 0.08% | 616,020 | $183,198,789 | $174,419,903 | -$8,778,886 | -4.79% | |
| Geode Capital Management, Llc | 0.01% | 591,006 | $175,789,653 | $167,337,439 | -$8,452,214 | -4.81% | |
| Dimensional Fund Advisors Lp | 0.03% | 577,952 | $171,868,217 | $163,641,329 | -$8,226,888 | -4.79% | |
| Fisher Asset Management, Llc | 0.04% | 495,230 | $147,276,660 | $140,219,422 | -$7,057,238 | -4.79% | |
| Barrow Hanley Mewhinney & Strauss Llc | 0.40% | 446,069 | $132,656,460 | $126,299,977 | -$6,356,483 | -4.79% | |
| Morgan Stanley | 0.01% | 411,140 | $122,269,641 | $116,410,180 | -$5,859,461 | -4.79% | |
| Segall Bryant & Hamill, Llc | 1.11% | 313,988 | $93,376,891 | $88,902,562 | -$4,474,329 | -4.79% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.10% | 281,712 | $83,775,282 | $79,763,936 | -$4,011,346 | -4.79% | |
| Charles Schwab Investment Management Inc | 0.01% | 270,972 | $80,584,363 | $76,723,012 | -$3,861,351 | -4.79% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 270,972 | $80,584,363 | $76,723,012 | -$3,861,351 | -4.79% | |
| Northern Trust Corp | 0.01% | 264,657 | $78,706,345 | $74,934,983 | -$3,771,362 | -4.79% | |
| Goldman Sachs Group Inc | 0.01% | 235,842 | $70,137,052 | $66,776,304 | -$3,360,748 | -4.79% | |
| Nuveen, Llc | 0.02% | 228,570 | $67,974,142 | $64,717,310 | -$3,256,832 | -4.79% | |
| Copeland Capital Management, Llc | 1.39% | 227,669 | $67,706,620 | $64,462,201 | -$3,244,419 | -4.79% | |
| Harvey Partners, Llc | 4.54% | 220,068 | $65,446,023 | $62,310,054 | -$3,135,969 | -4.79% | |
| Trigran Investments, Inc. | 11.99% | 219,877 | $65,389,221 | $62,255,974 | -$3,133,247 | -4.79% | |
| Invesco Ltd. | 0.00% | 200,119 | $59,513,388 | $56,661,694 | -$2,851,694 | -4.79% | |
| Gamco Investors, Inc. Et Al | 0.48% | 180,940 | $53,809,747 | $51,231,352 | -$2,578,395 | -4.79% | |
| Bank Of America Corp | 0.00% | 173,108 | $51,480,628 | $49,013,799 | -$2,466,829 | -4.79% | |
| Bank Of New York Mellon Corp | 0.01% | 164,967 | $49,059,580 | $46,708,756 | -$2,350,824 | -4.79% | |
| Wellington Management Group Llp | 0.01% | 158,335 | $47,087,245 | $44,830,972 | -$2,256,273 | -4.79% | |
| Royal Bank Of Canada | 0.01% | 154,353 | $45,903,000 | $43,703,508 | -$2,199,492 | -4.79% | |
| Samlyn Capital, Llc | 0.75% | 151,721 | $45,120,308 | $42,958,284 | -$2,162,024 | -4.79% | |
| Vanguard Fiduciary Trust Co | 0.01% | 149,106 | $44,342,633 | $42,217,873 | -$2,124,760 | -4.79% | |
| Kennedy Capital Management Llc | 0.78% | 148,769 | $44,242,413 | $42,122,455 | -$2,119,958 | -4.79% | |
| Panagora Asset Management Inc | 0.13% | 147,752 | $43,939,967 | $41,834,501 | -$2,105,466 | -4.79% | |
| Raymond James Financial Inc | 0.01% | 146,014 | $43,423,021 | $41,342,404 | -$2,080,617 | -4.79% | |
| Ack Asset Management Llc | 4.69% | 135,000 | $40,147,650 | $38,223,900 | -$1,923,750 | -4.79% | |
| Principal Financial Group Inc | 0.02% | 123,519 | $36,733,315 | $34,973,170 | -$1,760,145 | -4.79% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.06% | 119,300 | $35,478,627 | $33,778,602 | -$1,700,025 | -4.79% |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.05% | 115,800 | $34,437,762 | $32,787,612 | -$1,650,150 | -4.79% | |
| Jpmorgan Chase & Co | 0.00% | 108,166 | $31,590,907 | $30,626,121 | -$964,786 | -3.05% | |
| Mackenzie Financial Corp | 0.03% | 103,996 | $30,927,370 | $29,445,427 | -$1,481,943 | -4.79% | |
| Emerald Advisers, Llc | 0.65% | 92,808 | $27,600,171 | $26,277,657 | -$1,322,514 | -4.79% | |
| Schroder Investment Management Group | 0.02% | 88,295 | $25,564,051 | $24,999,846 | -$564,205 | -2.21% | |
| Bnp Paribas Financial Markets | 0.01% | 85,754 | $25,502,382 | $24,280,388 | -$1,221,994 | -4.79% | |
| Aberdeen Group Plc | 0.03% | 83,647 | $24,875,781 | $23,683,812 | -$1,191,969 | -4.79% | |
| Royce & Associates Lp | 0.19% | 79,530 | $23,651,427 | $22,518,124 | -$1,133,303 | -4.79% | |
| Ameriprise Financial Inc | 0.00% | 76,626 | $22,787,737 | $21,695,886 | -$1,091,851 | -4.79% | |
| Fmr Llc | 0.00% | 75,705 | $22,513,852 | $21,435,114 | -$1,078,738 | -4.79% | |
| Public Sector Pension Investment Board | 0.06% | 71,497 | $21,262,493 | $20,243,661 | -$1,018,832 | -4.79% | |
| Gendell Jeffrey L | 0.19% | 71,296 | $21,202,717 | $20,186,749 | -$1,015,968 | -4.79% | |
| Aqr Capital Management Llc | 0.01% | 69,840 | $20,769,593 | $19,774,498 | -$995,095 | -4.79% | |
| Granahan Investment Management, Llc | 0.74% | 69,793 | $20,755,740 | $19,761,190 | -$994,550 | -4.79% | |
| Agf Management Ltd | 0.08% | 68,093 | $20,250,177 | $19,279,852 | -$970,325 | -4.79% |
Frequently asked questions about MTRN
Who owns the most MTRN stock?
The largest holders of MTRN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MATERION CORP (MTRN).
Is MTRN widely held by superinvestors?
Many widely followed stocks like MTRN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MTRN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.