Position in MTRN
as of Mar 31, 2026
· filed May 1, 2026
Position Value
$824,360
+$105,294 QoQ
Shares Held
5,699
-1.5% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.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, 2026ARIZONA STATE RETIREMENT SYSTEM holds $4,079,291 across 8 Other Industrial Metals & Mining names. MTRN ranks #2 (20.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MP |
MP Materials Corp. / DE
|
38,890 | $1,876,831 | |
| 2 | MTRN |
MATERION Corp
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|
5,699 | $824,360 | |
| 3 | USAR |
USA Rare Earth, Inc.
|
20,951 | $317,093 | |
| 4 | UAMY |
United States Antimony Corp
|
32,497 | $283,698 | |
| 5 | TMC |
TMC the metals Co Inc.
|
56,788 | $265,199 | |
| 6 | CMP |
Compass Minerals International Inc
|
9,756 | $227,802 | |
| 7 | NB |
Niocorp Developments Ltd
|
39,918 | $178,034 | |
| 8 | TMQ |
Trilogy Metals Inc.
|
29,603 | $106,274 |
All Filings in MTRN
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24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $824,360 | 5,699 | Shares | Sole | 2026-05-01 | |
| 2025-12-31 | $719,066 | 5,784 | Shares | Sole | 2026-01-28 | |
| 2025-09-30 | $744,068 | 6,159 | Shares | Sole | 2025-11-03 | |
| 2025-06-30 | $482,093 | 6,074 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $485,764 | 5,953 | Shares | Sole | 2025-05-01 | |
| 2024-12-31 | $595,356 | 6,021 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $667,804 | 5,970 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $624,991 | 5,780 | Shares | Sole | 2024-08-05 | |
| 2024-03-31 | $747,417 | 5,673 | Shares | Sole | 2024-05-07 | |
| 2023-12-31 | $750,850 | 5,770 | Shares | Sole | 2024-01-24 | |
| 2023-09-30 | $597,905 | 5,867 | Shares | Sole | 2023-11-07 | |
| 2023-06-30 | $661,103 | 5,789 | Shares | Sole | 2023-08-01 | |
| 2023-03-31 | $689,968 | 5,948 | Shares | Sole | 2023-04-27 | |
| 2022-12-31 | $506,770 | 5,791 | Shares | Sole | 2023-02-08 | |
| 2022-09-30 | $445,920 | 5,574 | Shares | Sole | 2022-11-07 | |
| 2022-06-30 | $408,537 | 5,541 | Shares | Sole | 2022-07-28 | |
| 2022-03-31 | $473,713 | 5,525 | Shares | Sole | 2022-05-04 | |
| 2021-12-31 | $505,761 | 5,501 | Shares | Sole | 2022-02-04 | |
| 2021-09-30 | $381,363 | 5,556 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $416,384 | 5,526 | Shares | Sole | 2021-08-02 | |
| 2021-03-31 | $391,942 | 5,917 | Shares | Sole | 2021-05-06 | |
| 2020-12-31 | $375,756 | 5,897 | Shares | Sole | 2021-01-28 | |
| 2020-09-30 | $318,839 | 6,128 | Shares | Sole | 2020-11-05 | |
| 2020-06-30 | $283,222 | 4,606 | Shares | Sole | 2020-08-04 | |
| No filing history on record for this holder in this stock. | ||||||