Position in MTRN
as of Mar 31, 2026
· filed Apr 30, 2026
Position Value
$20,714,892
+$12,151,980 QoQ
Shares Held
143,207
+107.9% QoQ
Ownership
0.688%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 99.8324104268646.ToString("F0")%
Shared 0.ToString("F0")%
None 0.1675895731353914.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, 2026Nuveen, LLC holds $144,131,136 across 18 Other Industrial Metals & Mining names. MTRN ranks #3 (14.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VALE |
Vale S.A.
|
3,190,070 | $50,754,013 | |
| 2 | TECK |
Teck Resources Ltd
|
484,320 | $25,063,560 | |
| 3 | MTRN |
MATERION Corp
This page
|
143,207 | $20,714,892 | |
| 4 | MP |
MP Materials Corp. / DE
|
370,006 | $17,856,488 | |
| 5 | USAR |
USA Rare Earth, Inc.
|
501,911 | $7,596,421 | |
| 6 | CMP |
Compass Minerals International Inc
|
289,665 | $6,763,676 | |
| 7 | NB |
Niocorp Developments Ltd
|
722,860 | $3,223,955 | |
| 8 | UAMY |
United States Antimony Corp
|
335,409 | $2,928,120 |
All Filings in MTRN
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $20,714,892 | 143,207 | Shares | Defined | 2026-04-30 | |
| 2025-12-31 | $8,562,912 | 68,878 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $14,119,788 | 116,876 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $4,991,498 | 62,889 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $9,706,971 | 118,958 | Shares | Defined | 2025-05-12 | |
| No filing history on record for this holder in this stock. | ||||||