Fund moves

Materion Corp. (MTRN)Soros Fund Management reduced its stake -20K shares

Soros Fund Management reduced its stake in Materion Corp., per its Q2 2026 13F.

1,437
Shares reported · -20K vs prior quarter: 0.01%
Disclosed portfolio weight: $427K
Reported value

Holdings as of: Jun 30, 2026
Filed: Aug 14, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

View the official recordSEC Form 13F-HR

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Materion Corp.

For Materion Corp., OQRO holds 9 fund holdings reports (13F) and 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MTRN page.

How this filing works

SEC Form 13F

Other disclosures at Materion Corp.

Everything OQRO holds on this company is on its MTRN page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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