Materion Corporation (MTRN)
Who owns Materion Corporation (MTRN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.8% of the shares are freely tradable; institutional investors hold 97.2%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 16.20 | 3,368,946 | +2.1 | 03/31/2026 |
| Vanguard Group Inc | 11.27 | 2,344,101 | -0.5 | 12/31/2025 |
| Vanguard Portfolio Management, LLC | 6.49 | 1,349,933 | +0.0 | 03/31/2026 |
| State Street Corp | 6.39 | 1,328,204 | +9.8 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.46 | 927,858 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 4.26 | 885,167 | -10.7 | 03/31/2026 |
| American Century Companies Inc | 4.24 | 882,684 | +69.3 | 03/31/2026 |
| Capital Research Global Investors | 3.80 | 789,873 | -58.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.04 | 1,256,929 | +0.0 | 05/29/2026 |
| American Funds SMALLCAP World A | 5.05 | 1,050,992 | -36.5 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 15. Jul 2026 | Prevost Patrick M. | Director | Other | 81 | 253.27 | 20,515 |
| 15. Jul 2026 | Shular Craig S | Director | Other | 96 | 253.27 | 24,314 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.