Position in MTRN
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$487,318,027
+$76,982,967 QoQ
Shares Held
3,368,946
+2.1% QoQ
Ownership
16.2%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 97.60488959903495.ToString("F0")%
Shared 0.ToString("F0")%
None 2.3951104009650495.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, 2026BlackRock, Inc. holds $3,435,236,172 across 33 Other Industrial Metals & Mining names. MTRN ranks #3 (14.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VALE |
Vale S.A.
|
73,798,683 | $1,174,137,040 | |
| 2 | MP |
MP Materials Corp. / DE
|
14,746,925 | $711,686,592 | |
| 3 | MTRN |
MATERION Corp
This page
|
3,368,946 | $487,318,027 | |
| 4 | BHP |
BHP Group Ltd
|
3,012,023 | $219,094,550 | |
| 5 | USAR |
USA Rare Earth, Inc.
|
14,085,618 | $213,185,819 | |
| 6 | RIO |
Rio Tinto PLC
|
2,108,295 | $196,682,838 | |
| 7 | TECK |
Teck Resources Ltd
|
2,523,391 | $130,585,481 | |
| 8 | UAMY |
United States Antimony Corp
|
9,883,038 | $86,278,913 |
All Filings in MTRN
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $487,318,027 | 3,368,946 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $410,335,060 | 3,300,636 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $395,342,502 | 3,272,432 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $264,124,224 | 3,327,759 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $278,008,173 | 3,406,963 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $345,048,277 | 3,489,566 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $378,650,120 | 3,385,036 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||