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 $3.12B 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 $487.32M in its March 31, 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 $1.00B, representing an estimated gain of +105.38% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 54% of the total disclosed MTRN value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, State Street Corp, 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
356
Total Reported Value
$3.12B
Largest Holder
Blackrock, Inc.
Largest Position
$487.32M
Insider Transactions (90d)
11
Latest Filing Quarter
Q2 2026
New Institutional Positions
91
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 3,368,946 | $487,318,160 | $1,000,846,478 | +$513,528,318 | +105.38% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,349,933 | $195,267,808 | $401,038,096 | +$205,770,288 | +105.38% | |
| State Street Corp | 0.01% | 1,328,204 | $192,124,709 | $394,582,844 | +$202,458,135 | +105.38% | |
| Fisher Asset Management, Llc | 0.04% | 495,230 | $147,276,660 | $147,122,928 | -$153,732 | -0.10% | |
| Vanguard Capital Management Llc | 0.00% | 927,858 | $134,214,660 | $275,648,055 | +$141,433,395 | +105.38% | |
| Dimensional Fund Advisors Lp | 0.03% | 885,167 | $128,029,517 | $262,965,412 | +$134,935,895 | +105.39% | |
| American Century Companies Inc | 0.07% | 882,684 | $127,680,441 | $262,227,763 | +$134,547,322 | +105.38% | |
| Capital Research Global Investors | 0.02% | 789,873 | $114,255,129 | $234,655,471 | +$120,400,342 | +105.38% | |
| Barrow Hanley Mewhinney & Strauss Llc | 0.25% | 529,841 | $76,641,501 | $157,405,164 | +$80,763,663 | +105.38% | |
| Geode Capital Management, Llc | 0.00% | 503,968 | $72,914,004 | $149,718,813 | +$76,804,809 | +105.34% | |
| Ack Asset Management Llc | 8.57% | 474,800 | $68,679,820 | $141,053,584 | +$72,373,764 | +105.38% | |
| Copeland Capital Management, Llc | 1.39% | 227,669 | $67,706,620 | $67,635,907 | -$70,713 | -0.10% | |
| Morgan Stanley | 0.00% | 424,478 | $61,400,985 | $126,103,924 | +$64,702,939 | +105.38% | |
| Capital World Investors | 0.01% | 415,000 | $60,029,750 | $123,288,200 | +$63,258,450 | +105.38% | |
| Bank Of New York Mellon Corp | 0.01% | 164,967 | $49,059,580 | $49,008,396 | -$51,184 | -0.10% | |
| Trigran Investments, Inc. | 11.55% | 333,985 | $48,310,930 | $99,220,264 | +$50,909,334 | +105.38% | |
| Panagora Asset Management Inc | 0.13% | 147,752 | $43,939,967 | $43,894,164 | -$45,803 | -0.10% | |
| Harvey Partners, Llc | 3.44% | 293,121 | $42,399,953 | $87,080,387 | +$44,680,434 | +105.38% | |
| Charles Schwab Investment Management Inc | 0.01% | 292,544 | $42,316,490 | $86,908,972 | +$44,592,482 | +105.38% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.05% | 260,504 | $37,679,365 | $77,390,528 | +$39,711,163 | +105.39% | |
| Principal Financial Group Inc | 0.02% | 123,519 | $36,733,315 | $36,695,025 | -$38,290 | -0.10% | |
| Northern Trust Corp | 0.00% | 247,777 | $35,840,944 | $73,609,591 | +$37,768,647 | +105.38% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.06% | 119,300 | $35,478,627 | $35,441,644 | -$36,983 | -0.10% |
| Royal Bank Of Canada | 0.01% | 219,050 | $31,685,000 | $65,075,374 | +$33,390,374 | +105.38% | |
| Gamco Investors, Inc. Et Al | 0.27% | 191,240 | $27,662,866 | $56,813,579 | +$29,150,713 | +105.38% | |
| Emerald Advisers, Llc | 0.65% | 92,808 | $27,600,171 | $27,571,401 | -$28,770 | -0.10% | |
| Invesco Ltd. | 0.00% | 179,213 | $25,923,161 | $53,240,598 | +$27,317,437 | +105.38% | |
| Aberdeen Group Plc | 0.03% | 83,647 | $24,875,781 | $24,849,851 | -$25,930 | -0.10% | |
| Raymond James Financial Inc | 0.01% | 173,795 | $24,280,364 | $51,631,019 | +$27,350,655 | +112.65% | |
| Kennedy Capital Management Llc | 0.51% | 165,989 | $24,010,309 | $49,312,012 | +$25,301,703 | +105.38% | |
| Granahan Investment Management, Llc | 1.01% | 144,476 | $20,898,453 | $42,920,930 | +$22,022,477 | +105.38% | |
| Nuveen, Llc | 0.01% | 143,207 | $20,714,892 | $42,543,936 | +$21,829,044 | +105.38% | |
| Vanguard Fiduciary Trust Co | 0.01% | 136,358 | $19,724,185 | $40,509,235 | +$20,785,050 | +105.38% | |
| Emerald Mutual Fund Advisers Trust | 0.64% | 61,247 | $18,214,245 | $18,195,259 | -$18,986 | -0.10% | |
| Schroder Investment Management Group | 0.01% | 131,748 | $18,104,810 | $39,139,696 | +$21,034,886 | +116.18% | |
| Raiffeisen Bank International Ag | 0.21% | 62,109 | $17,982,419 | $18,451,342 | +$468,923 | +2.61% | |
| Bank Of America Corp | 0.00% | 118,569 | $17,151,018 | $35,224,479 | +$18,073,461 | +105.38% | |
| Goldman Sachs Group Inc | 0.00% | 116,842 | $16,901,195 | $34,711,421 | +$17,810,226 | +105.38% | |
| Envestnet Asset Management Inc | 0.00% | 53,429 | $15,889,372 | $15,872,687 | -$16,685 | -0.11% | |
| Lumbard & Kellner, Llc | 4.65% | 51,579 | $15,339,079 | $15,323,089 | -$15,990 | -0.10% | |
| Royce & Associates Lp | 0.15% | 103,540 | $14,977,061 | $30,759,663 | +$15,782,602 | +105.38% | |
| Ceredex Value Advisors Llc | 0.44% | 97,500 | $14,103,375 | $28,965,300 | +$14,861,925 | +105.38% | |
| Phocas Financial Corp. | 1.91% | 46,207 | $13,741,500 | $13,727,176 | -$14,324 | -0.10% | |
| Ameriprise Financial Inc | 0.00% | 80,410 | $11,631,265 | $23,888,203 | +$12,256,938 | +105.38% | |
| Hightower Advisors, Llc | 0.01% | 38,999 | $11,597,799 | $11,585,823 | -$11,976 | -0.10% | |
| Sei Investments Co | 0.01% | 79,608 | $11,515,660 | $23,649,945 | +$12,134,285 | +105.37% | |
| King Luther Capital Management Corp | 0.05% | 78,147 | $11,303,964 | $23,215,911 | +$11,911,947 | +105.38% | |
| Public Sector Pension Investment Board | 0.03% | 74,230 | $10,737,370 | $22,052,248 | +$11,314,878 | +105.38% | |
| Gendell Jeffrey L | 0.14% | 71,296 | $10,312,966 | $21,180,616 | +$10,867,650 | +105.38% | |
| Qube Research & Technologies Ltd | 0.01% | 65,468 | $9,469,946 | $19,449,233 | +$9,979,287 | +105.38% |
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.