Position in MTRN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$3,632,321
+$1,978,104 QoQ
Shares Held
12,214
+6.8% QoQ
Ownership
0.059%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#109
of 402 holders
Holding Since
Mar 2020
26 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, 2026MetLife Investment Management, LLC holds $12,721,014 across 11 Other Industrial Metals & Mining names. MTRN ranks #2 (28.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MP |
MP Materials Corp. / DE
|
65,273 | $3,655,940 | |
| 2 | MTRN |
MATERION Corp
This page
|
12,214 | $3,632,321 | |
| 3 | USAR |
USA Rare Earth, Inc.
|
113,370 | $2,446,524 | |
| 4 | CMP |
Compass Minerals International Inc
|
19,383 | $603,392 | |
| 5 | UAMY |
United States Antimony Corp
|
78,490 | $569,837 | |
| 6 | ALOY |
Realloys Inc.
|
33,730 | $487,398 | |
| 7 | CRML |
Critical Metals Corp.
|
40,587 | $416,016 | |
| 8 | NB |
Niocorp Developments Ltd
|
85,551 | $412,355 |
All Filings in MTRN
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,632,321 | 12,214 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $1,654,217 | 11,436 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $1,408,172 | 11,327 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $1,462,405 | 12,105 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $982,918 | 12,384 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $1,010,534 | 12,384 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $1,244,305 | 12,584 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $1,312,229 | 11,731 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $1,268,473 | 11,731 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $1,381,530 | 10,486 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $1,405,664 | 10,802 | Shares | Defined | 2024-04-22 | |
| 2023-09-30 | $1,100,831 | 10,802 | Shares | Defined | 2024-05-09 | |
| 2023-06-30 | $1,233,588 | 10,802 | Shares | Defined | 2024-04-29 | |
| 2023-03-31 | $1,238,764 | 10,679 | Shares | Defined | 2024-05-09 | |
| 2022-12-31 | $934,519 | 10,679 | Shares | Defined | 2024-05-10 | |
| 2022-09-30 | $880,640 | 11,008 | Shares | Defined | 2024-05-10 | |
| 2022-06-30 | $811,619 | 11,008 | Shares | Defined | 2024-05-10 | |
| 2022-03-31 | $943,825 | 11,008 | Shares | Defined | 2024-05-10 | |
| 2021-12-31 | $673,092 | 7,321 | Shares | Defined | 2024-05-17 | |
| 2021-09-30 | $502,513 | 7,321 | Shares | Defined | 2024-05-17 | |
| 2021-06-30 | $551,637 | 7,321 | Shares | Defined | 2024-05-17 | |
| 2021-03-31 | $484,943 | 7,321 | Shares | Defined | 2024-05-17 | |
| 2020-12-31 | $571,249 | 8,965 | Shares | Defined | 2024-05-24 | |
| 2020-09-30 | $466,448 | 8,965 | Shares | Defined | 2024-05-24 | |
| 2020-06-30 | $551,257 | 8,965 | Shares | Defined | 2024-05-24 | |
| 2020-03-31 | $281,410 | 8,038 | Shares | Defined | 2023-07-12 | |
| No filing history on record for this holder in this stock. | ||||||