Position in MTRN
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$14,320
+$7,732 QoQ
Shares Held
99
+86.8% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
8 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, 2026BROWN BROTHERS HARRIMAN & CO holds $396,181 across 7 Other Industrial Metals & Mining names. MTRN ranks #7 (3.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RIO |
Rio Tinto PLC
|
1,239 | $115,586 | |
| 2 | TMC |
TMC the metals Co Inc.
|
21,500 | $100,405 | |
| 3 | BHP |
BHP Group Ltd
|
929 | $67,575 | |
| 4 | TMQ |
Trilogy Metals Inc.
|
13,350 | $47,926 | |
| 5 | TECK |
Teck Resources Ltd
|
530 | $27,427 | |
| 6 | VALE |
Vale S.A.
|
1,442 | $22,942 | |
| 7 | MTRN |
MATERION Corp
This page
|
99 | $14,320 |
All Filings in MTRN
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $14,320 | 99 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $6,588 | 53 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $6,402 | 53 | Shares | Sole | 2025-11-13 | |
| 2023-06-30 | $15,531 | 136 | Shares | Sole | 2023-08-07 | |
| 2023-03-31 | $15,776 | 136 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $11,901 | 136 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $10,880 | 136 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $10,027 | 136 | Shares | Sole | 2022-08-11 | |
| No filing history on record for this holder in this stock. | ||||||