Position in MTRN
as of Sep 30, 2026
· filed Oct 5, 2026
Position Value
$36,664
-$3,781 QoQ
Shares Held
136
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#7
of 12 holders
Holding Since
Jun 2021
18 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 Sep 30, 2026MassMutual Private Wealth & Trust, FSB holds $108,034 across 9 Other Industrial Metals & Mining names. MTRN ranks #1 (33.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MTRN |
MATERION Corp
This page
|
136 | $36,664 | |
| 2 | MP |
MP Materials Corp. / DE
|
661 | $31,258 | |
| 3 | ALOY |
Realloys Inc.
|
2,453 | $20,041 | |
| 4 | NVA |
Nova Minerals Corp
|
1,876 | $10,167 | |
| 5 | USAR |
USA Rare Earth, Inc.
|
264 | $3,717 | |
| 6 | ALM |
Almonty Industries Inc.
|
146 | $1,921 | |
| 7 | NB |
Niocorp Developments Ltd
|
500 | $1,800 | |
| 8 | TMC |
TMC the metals Co Inc.
|
400 | $1,536 |
All Filings in MTRN
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18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-09-30 | $36,664 | 136 | Shares | Sole | 2026-10-05 | |
| 2026-06-30 | $40,445 | 136 | Shares | Sole | 2026-07-02 | |
| 2026-03-31 | $17,358 | 120 | Shares | Sole | 2026-04-13 | |
| 2025-12-31 | $14,918 | 120 | Shares | Sole | 2026-01-07 | |
| 2025-09-30 | $14,497 | 120 | Shares | Sole | 2025-10-22 | |
| 2025-06-30 | $9,524 | 120 | Shares | Sole | 2025-07-09 | |
| 2025-03-31 | $81 | 1 | Shares | Sole | 2025-04-01 | |
| 2024-12-31 | $98 | 1 | Shares | Sole | 2025-01-16 | |
| 2024-09-30 | $4,474 | 40 | Shares | Sole | 2024-10-02 | |
| 2024-06-30 | $1,946 | 18 | Shares | Sole | 2024-07-02 | |
| 2024-03-31 | $3,030 | 23 | Shares | Sole | 2024-04-09 | |
| 2023-12-31 | $2,342 | 18 | Shares | Sole | 2024-01-03 | |
| 2023-09-30 | $1,324 | 13 | Shares | Sole | 2023-10-04 | |
| 2023-06-30 | $1,484 | 13 | Shares | Sole | 2023-08-02 | |
| 2023-03-31 | $1,508 | 13 | Shares | Sole | 2023-04-11 | |
| 2022-12-31 | $1 | 13 | Shares | Sole | 2023-01-06 | |
| 2022-09-30 | $1,040 | 13 | Shares | Sole | 2022-10-07 | |
| 2021-06-30 | $1,507 | 20 | Shares | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||