Position in MTRN
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$171,877,143
+$43,837,739 QoQ
Shares Held
577,952
-34.7% QoQ
Ownership
2.77%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#8
of 400 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 89%
Shared 8%
None 4%
Common Shares in MTRN Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Jun 30, 2026DIMENSIONAL FUND ADVISORS LP holds $887,029,517 across 17 Other Industrial Metals & Mining names. MTRN ranks #2 (19.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BHP |
BHP Group Ltd
|
3,493,023 | $291,003,745 | |
| 2 | MTRN |
MATERION Corp
This page
|
577,952 | $171,877,143 | |
| 3 | RIO |
Rio Tinto PLC
|
1,546,230 | $146,783,611 | |
| 4 | MP |
MP Materials Corp. / DE
|
2,195,671 | $122,979,531 | |
| 5 | VALE |
Vale S.A.
|
5,671,238 | $85,295,418 | |
| 6 | CMP |
Compass Minerals International Inc
|
951,151 | $29,609,328 | |
| 7 | NEXA |
Nexa Resources S.A.
|
1,868,966 | $22,876,143 | |
| 8 | LAC |
Lithium Americas Corp.
|
1,830,373 | $7,046,933 |
All Filings in MTRN
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27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $171,877,143 | 577,952 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $128,039,404 | 885,167 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $123,163,076 | 990,694 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $121,166,627 | 1,002,952 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $80,202,591 | 1,010,490 | Shares | Sole | 2025-07-15 | |
| 2025-06-30 | $80,202,590 | 1,010,490 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $87,593,681 | 1,073,452 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $111,441,416 | 1,127,037 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $131,379,455 | 1,174,499 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $131,201,371 | 1,213,367 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $158,220,285 | 1,200,913 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $159,079,497 | 1,222,466 | Shares | Sole | 2024-02-07 | |
| 2023-09-30 | $127,685,891 | 1,252,928 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $143,080,720 | 1,252,896 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $145,340,576 | 1,252,936 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $112,176,529 | 1,281,871 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $103,869,520 | 1,298,369 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $95,395,558 | 1,293,850 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $110,813,376 | 1,292,435 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $118,277,132 | 1,286,460 | Shares | Defined | 2022-02-09 | |
| 2021-09-30 | $89,480,270 | 1,303,617 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $98,954,065 | 1,313,259 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $90,624,533 | 1,368,124 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $92,239,733 | 1,447,579 | Shares | Defined | 2021-03-08 | |
| 2020-09-30 | $78,842,151 | 1,515,321 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $99,430,867 | 1,617,025 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $57,391,087 | 1,639,277 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||