COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
Position in MTRN — MATERION Corp
CIK 1083190
HARRISBURG, PA
Position in MTRN
as of Jun 30, 2026
· filed Jul 17, 2026
Position Value
$1,467,024
+$725,259 QoQ
Shares Held
4,933
-3.8% QoQ
Ownership
0.024%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#161
of 400 holders
Holding Since
Mar 2020
26 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 Jun 30, 2026COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS holds $3,281,187 across 2 Other Industrial Metals & Mining names. MTRN ranks #2 (44.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MP |
MP Materials Corp. / DE
|
32,390 | $1,814,163 | |
| 2 | MTRN |
MATERION Corp
This page
|
4,933 | $1,467,024 |
All Filings in MTRN
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,467,024 | 4,933 | Shares | Sole | 2026-07-17 | |
| 2026-03-31 | $741,765 | 5,128 | Shares | Sole | 2026-05-01 | |
| 2025-12-31 | $638,134 | 5,133 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $637,755 | 5,279 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $424,153 | 5,344 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $405,225 | 4,966 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $438,038 | 4,430 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $496,099 | 4,435 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $483,016 | 4,467 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $587,341 | 4,458 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $579,468 | 4,453 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $1,406,052 | 13,797 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $2,660,403 | 23,296 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $2,521,376 | 21,736 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $1,922,594 | 21,970 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $1,496,000 | 18,700 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,378,603 | 18,698 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,510,738 | 17,620 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $1,420,289 | 15,448 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,063,645 | 15,496 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $1,179,378 | 15,652 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $1,038,510 | 15,678 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $1,003,335 | 15,746 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $820,461 | 15,769 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $628,673 | 10,224 | Shares | Sole | 2020-08-11 | |
| 2020-03-31 | $359,377 | 10,265 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||