Position in MTRN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$594,780
-$56,145 QoQ
Shares Held
2,000
-55.6% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#207
of 402 holders
Holding Since
Jun 2020
24 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, 2026GABELLI FUNDS LLC holds $72,673,698 across 6 Other Industrial Metals & Mining names. MTRN ranks #4 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BHP |
BHP Group Ltd
|
408,500 | $34,032,135 | |
| 2 | RIO |
Rio Tinto PLC
|
293,100 | $27,823,983 | |
| 3 | USAS |
Americas Gold & Silver Corp
|
2,115,000 | $9,982,800 | |
| 4 | MTRN |
MATERION Corp
This page
|
2,000 | $594,780 | |
| 5 | VALE |
Vale S.A.
|
10,000 | $150,400 | |
| 6 | WRN |
Western Copper & Gold Corp
|
40,000 | $89,600 |
All Filings in MTRN
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $594,780 | 2,000 | Shares | Sole | 2026-08-12 | |
| 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. | ||||||