Position in MTRN
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$1,291,724
+$181,547 QoQ
Shares Held
8,930
0.0% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2021
18 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.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, 2026JANUS HENDERSON GROUP PLC holds $180,021,080 across 10 Other Industrial Metals & Mining names. MTRN ranks #4 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TECK |
Teck Resources Ltd
|
2,809,272 | $145,379,825 | |
| 2 | VALE |
Vale S.A.
|
1,763,906 | $28,063,744 | |
| 3 | MP |
MP Materials Corp. / DE
|
63,341 | $3,056,836 | |
| 4 | MTRN |
MATERION Corp
This page
|
8,930 | $1,291,724 | |
| 5 | USAR |
USA Rare Earth, Inc.
|
34,456 | $521,491 | |
| 6 | UAMY |
United States Antimony Corp
|
54,900 | $479,277 | |
| 7 | TMC |
TMC the metals Co Inc.
|
98,100 | $458,127 | |
| 8 | CMP |
Compass Minerals International Inc
|
14,815 | $345,930 |
All Filings in MTRN
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,291,724 | 8,930 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $1,110,177 | 8,930 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $1,078,833 | 8,930 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $708,774 | 8,930 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $728,688 | 8,930 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $882,998 | 8,930 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $998,909 | 8,930 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $965,600 | 8,930 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,190,360 | 9,035 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,175,593 | 9,034 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $922,387 | 9,051 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,033,395 | 9,049 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,051,076 | 9,061 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $361,328 | 4,129 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $330,320 | 4,129 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $303,841 | 4,121 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $353,934 | 4,128 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $379,436 | 4,127 | Shares | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||