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SEI INVESTMENTS CO

Position in MTRN — MATERION Corp

CIK 350894 OAKS, PA

Position in MTRN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$18,776,015
+$7,260,719 QoQ
Shares Held
63,136
-20.7% QoQ
Ownership
0.303%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#54
of 402 holders
Holding Since
Jun 2021
21 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, 2026

SEI INVESTMENTS CO holds $101,898,769 across 14 Other Industrial Metals & Mining names. MTRN ranks #2 (18.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MTRN
MATERION Corp
This page
63,136 $18,776,015

All Filings in MTRN

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,776,015 63,136
2026-03-31 $11,515,296 79,608
2025-12-31 $8,777,612 70,605
2025-09-30 $7,293,057 60,368
2025-06-30 $4,355,666 54,878
2025-03-31 $4,210,314 51,597
2024-12-31 $4,387,008 44,367
2024-09-30 $4,588,497 41,020
2024-06-30 $3,997,782 36,972
2024-03-31 $4,202,561 31,898
2023-12-31 $3,470,436 26,669
2023-09-30 $2,585,252 25,368
2023-06-30 $3,119,258 27,314
2023-03-31 $3,636,832 31,352
2022-12-31 $2,406,612 27,501
2022-09-30 $1,452,560 18,157
2022-06-30 $730,590 9,909
2022-03-31 $646,908 7,545
2021-12-31 $575,268 6,257
2021-09-30 $344,710 5,022
2021-06-30 $315,867 4,192