Position in MTRN
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$7,717,945
+$1,052,653 QoQ
Shares Held
53,356
-0.5% QoQ
Ownership
0.257%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MTRN Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Mar 31, 2026MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC holds $10,209,029 across 2 Other Industrial Metals & Mining names. MTRN ranks #1 (75.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MTRN |
MATERION Corp
This page
|
53,356 | $7,717,945 | |
| 2 | MP |
MP Materials Corp. / DE
|
51,618 | $2,491,084 |
All Filings in MTRN
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,717,945 | 53,356 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $6,665,292 | 53,614 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $6,293,596 | 52,095 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $4,394,558 | 55,368 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $4,290,528 | 52,580 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $5,205,636 | 52,646 | Shares | Sole | 2025-02-05 | |
| 2024-09-30 | $5,309,658 | 47,467 | Shares | Sole | 2024-11-06 | |
| 2024-06-30 | $3,025,909 | 27,984 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $3,734,717 | 28,347 | Shares | Sole | 2024-05-02 | |
| 2023-12-31 | $7,471,544 | 57,416 | Shares | Sole | 2024-01-26 | |
| 2023-09-30 | $6,564,125 | 64,411 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $7,510,020 | 65,762 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $10,845,884 | 93,499 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $15,193,136 | 173,616 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $16,636,160 | 207,952 | Shares | Sole | 2022-11-08 | |
| 2022-06-30 | $15,128,290 | 205,185 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $18,769,857 | 218,916 | Shares | Sole | 2022-05-02 | |
| 2021-12-31 | $17,039,975 | 185,338 | Shares | Sole | 2022-02-03 | |
| 2021-09-30 | $12,805,890 | 186,566 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $13,043,386 | 173,104 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $9,338,515 | 140,980 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $161,721 | 2,538 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $128,566 | 2,471 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $60,690 | 987 | Shares | Sole | 2020-08-06 | |
| 2020-03-31 | $31,964 | 913 | Shares | Sole | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||