First reported at 97,500 shares this quarter.
Reported position value by quarter
Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.
| Date | Holding Value |
|---|---|
| 2024-06-30 | 12937755 |
| 2024-09-30 | 14580951 |
| 2024-12-31 | 15756528 |
| 2025-03-31 | 13117200 |
| 2025-06-30 | 7329820 |
| 2025-09-30 | 7595929 |
| 2025-12-31 | 0 |
| 2026-03-31 | 14103375 |
| 2026-06-30 | 0 |
Quarterly position history
How this manager's reported quarter-end position changed over time.
| Quarter | Activity | Shares | Change | % of reported 13F | Reported value | Filed | Source filing |
|---|---|---|---|---|---|---|---|
| Q2 2026 | Reduced | 0 | -97,500 (-100.0%) | 0 | $0 | 2026-08-11 | |
| Q1 2026 | New | 97,500 | +97,500 (0.0%) | 0.44% | $14,103,375 | 2026-05-14 | |
| Q4 2025 | Reduced | 0 | -62,875 (-100.0%) | 0 | $0 | 2026-02-13 | |
| Q3 2025 | Reduced | 62,875 | -29,475 (-31.9%) | 0.18% | $7,595,929 | 2025-11-13 | |
| Q2 2025 | Reduced | 92,350 | -68,400 (-42.6%) | 0.16% | $7,329,820 | 2025-08-13 | |
| Q1 2025 | Added | 160,750 | +1,400 (0.9%) | 0.29% | $13,117,200 | 2025-05-14 | |
| Q4 2024 | Added | 159,350 | +29,000 (22.2%) | 0.32% | $15,756,528 | 2025-02-13 | |
| Q3 2024 | Added | 130,350 | +10,700 (8.9%) | 0.28% | $14,580,951 | 2024-10-29 | |
| Q2 2024 | New | 119,650 | +119,650 (0.0%) | 0.24% | $12,937,755 | 2024-07-25 |
Who else reported the position
359 managers reported MATERION CORP for Q1 2026.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| BlackRock Inc | Added | 3,368,946 | +68,310 | < 0.01% | $487,318,160 | 7 qtrs |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New | 1,349,933 | +1,349,933 | 0.01% | $195,267,808 | 1 qtr |
| STATE STREET CORPORATION | Added | 1,328,204 | +118,570 | < 0.01% | $192,124,709 | 52 qtrs |
| VANGUARD CAPITAL MANAGEMENT LLC | New | 927,858 | +927,858 | < 0.01% | $134,214,660 | 1 qtr |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 885,167 | -105,527 | 0.03% | $128,029,517 | 52 qtrs |
| AMERICAN CENTURY COMPANIES INC | Added | 882,684 | +361,308 | 0.07% | $127,680,441 | 13 qtrs |
| Capital Research Global Investors | Reduced | 789,873 | -1,104,046 | 0.02% | $114,255,129 | 15 qtrs |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | Reduced | 529,841 | -33,528 | 0.25% | $76,641,501 | 24 qtrs |
| GEODE CAPITAL MANAGEMENT LLC | Added | 503,968 | +14,429 | < 0.01% | $72,914,004 | 52 qtrs |
| ACK Asset Management LLC | Unchanged | 474,800 | 0 | 8.57% | $68,679,820 | 25 qtrs |
Filing details and methodology As reported
- Report period
- March 31, 2026
- Filed
- May 14, 2026
- Filing type
- 13F-HR
- Position type
- COM
Voting authority reported
- Sole
- 11,300
- Shared
- 86,200
- None
- 0
“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.
Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.