Position in MTRN
as of Mar 31, 2026
· filed Apr 6, 2026
Position Value
$84,041
+$8,952 QoQ
Shares Held
581
-3.8% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
10 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, 2026GAMMA Investing LLC holds $1,625,856 across 16 Other Industrial Metals & Mining names. MTRN ranks #5 (5.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BHP |
BHP Group Ltd
|
8,289 | $602,941 | |
| 2 | RIO |
Rio Tinto PLC
|
4,640 | $432,865 | |
| 3 | MP |
MP Materials Corp. / DE
|
5,216 | $251,724 | |
| 4 | VALE |
Vale S.A.
|
5,293 | $84,211 | |
| 5 | MTRN |
MATERION Corp
This page
|
581 | $84,041 | |
| 6 | ELVR |
Elevra Lithium Ltd
|
995 | $58,605 | |
| 7 | IPX |
IPERIONX Ltd
|
1,198 | $31,195 | |
| 8 | USAR |
USA Rare Earth, Inc.
|
1,858 | $28,120 |
All Filings in MTRN
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $84,041 | 581 | Shares | Defined | 2026-04-06 | |
| 2025-12-31 | $75,089 | 604 | Shares | Defined | 2026-01-05 | |
| 2025-09-30 | $59,680 | 494 | Shares | Defined | 2025-10-02 | |
| 2025-06-30 | $28,493 | 359 | Shares | Defined | 2025-07-14 | |
| 2025-03-31 | $175,113 | 2,146 | Shares | Defined | 2025-04-15 | |
| 2024-12-31 | $25,807 | 261 | Shares | Defined | 2025-01-03 | |
| 2024-09-30 | $7,159 | 64 | Shares | Defined | 2024-10-07 | |
| 2024-06-30 | $3,460 | 32 | Shares | Defined | 2024-07-02 | |
| 2024-03-31 | $5,006 | 38 | Shares | Defined | 2024-04-05 | |
| 2023-12-31 | $4,164 | 32 | Shares | Defined | 2024-02-01 | |
| No filing history on record for this holder in this stock. | ||||||