Position in MTRN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$192,124,708
+$41,743,010 QoQ
Shares Held
1,328,204
+9.8% QoQ
Ownership
6.39%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 9.0266254280216.ToString("F0")%
Shared 0.0065501986140683215.ToString("F0")%
None 90.96682437336433.ToString("F0")%
Common Shares in MTRN Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Mar 31, 2026STATE STREET CORP holds $1,066,559,473 across 23 Other Industrial Metals & Mining names. MTRN ranks #2 (18.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MP |
MP Materials Corp. / DE
|
7,397,227 | $356,990,175 | |
| 2 | MTRN |
MATERION Corp
This page
|
1,328,204 | $192,124,708 | |
| 3 | USAR |
USA Rare Earth, Inc.
|
12,065,748 | $182,615,095 | |
| 4 | VALE |
Vale S.A.
|
10,568,846 | $168,150,339 | |
| 5 | UAMY |
United States Antimony Corp
|
8,047,077 | $70,250,982 | |
| 6 | CMP |
Compass Minerals International Inc
|
2,322,476 | $54,229,814 | |
| 7 | NB |
Niocorp Developments Ltd
|
2,068,059 | $9,223,543 | |
| 8 | GSM |
Ferroglobe PLC
|
2,079,718 | $8,568,438 |
All Filings in MTRN
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $192,124,708 | 1,328,204 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $150,381,698 | 1,209,634 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $161,554,380 | 1,337,260 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $103,098,137 | 1,298,956 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $103,098,137 | 1,298,956 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $82,820,572 | 1,014,958 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $95,552,984 | 966,353 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $108,135,397 | 966,703 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $105,269,420 | 973,545 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $126,936,645 | 963,466 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $129,304,715 | 993,658 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $102,760,744 | 1,008,348 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $108,472,755 | 949,849 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $119,433,136 | 1,029,596 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $85,224,763 | 973,886 | Shares | Defined | 2023-05-15 | |
| 2022-09-30 | $82,060,880 | 1,025,761 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $67,457,862 | 914,931 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $88,375,047 | 1,030,733 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $78,116,453 | 849,646 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $64,848,257 | 944,759 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $84,765,811 | 1,124,961 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $70,139,482 | 1,058,869 | Shares | Defined | 2021-07-09 | |
| 2020-12-31 | $69,835,527 | 1,095,975 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $53,524,353 | 1,028,721 | Shares | Defined | 2020-11-10 | |
| 2020-06-30 | $60,367,377 | 981,743 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $27,882,804 | 796,424 | Shares | Defined | 2020-06-19 | |
| No filing history on record for this holder in this stock. | ||||||