Position in MTRN
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$650,925
+$91,485 QoQ
Shares Held
4,500
0.0% QoQ
Ownership
0.022%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
23 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, 2026GABELLI FUNDS LLC holds $69,078,492 across 6 Other Industrial Metals & Mining names. MTRN ranks #4 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BHP |
BHP Group Ltd
|
431,000 | $31,350,940 | |
| 2 | RIO |
Rio Tinto PLC
|
276,300 | $25,776,027 | |
| 3 | USAS |
Americas Gold & Silver Corp
|
2,115,000 | $11,040,300 | |
| 4 | MTRN |
MATERION Corp
This page
|
4,500 | $650,925 | |
| 5 | VALE |
Vale S.A.
|
10,000 | $159,100 | |
| 6 | WRN |
Western Copper & Gold Corp
|
40,000 | $101,200 |
All Filings in MTRN
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $650,925 | 4,500 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $559,440 | 4,500 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $543,645 | 4,500 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $357,165 | 4,500 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $367,200 | 4,500 | Shares | Sole | 2025-05-14 | |
| 2024-09-30 | $279,650 | 2,500 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $270,325 | 2,500 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $329,375 | 2,500 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $325,325 | 2,500 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $356,685 | 3,500 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $456,800 | 4,000 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $464,000 | 4,000 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $350,040 | 4,000 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $320,000 | 4,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $317,039 | 4,300 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $368,682 | 4,300 | Shares | Sole | 2022-05-18 | |
| 2021-12-31 | $395,342 | 4,300 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $295,152 | 4,300 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $324,005 | 4,300 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $284,832 | 4,300 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $273,996 | 4,300 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $223,729 | 4,300 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $264,407 | 4,300 | Shares | Sole | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||