Position in MTRN
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$1,664,194
+$839,834 QoQ
Shares Held
5,596
-1.8% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#148
of 400 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MTRN Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Jun 30, 2026ARIZONA STATE RETIREMENT SYSTEM holds $6,000,358 across 8 Other Industrial Metals & Mining names. MTRN ranks #2 (27.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MP |
MP Materials Corp. / DE
|
39,219 | $2,196,656 | |
| 2 | MTRN |
MATERION Corp
This page
|
5,596 | $1,664,194 | |
| 3 | USAR |
USA Rare Earth, Inc.
|
48,117 | $1,038,364 | |
| 4 | CMP |
Compass Minerals International Inc
|
9,530 | $296,668 | |
| 5 | TMC |
TMC the metals Co Inc.
|
59,765 | $264,758 | |
| 6 | UAMY |
United States Antimony Corp
|
33,558 | $243,631 | |
| 7 | NB |
Niocorp Developments Ltd
|
39,383 | $189,826 | |
| 8 | TMQ |
Trilogy Metals Inc.
|
30,274 | $106,261 |
All Filings in MTRN
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,664,194 | 5,596 | Shares | Sole | 2026-08-07 | |
| 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. | ||||||