Western Digital (WDC)Bank Julius Baer & Co. Ltd, Zurich added to its stake +298K shares

300K

Shares reported · +298K vs prior quarter

0.50%

Disclosed portfolio weight

$192M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 10, 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.

1. Mar 27, 2026CongressDisclosed purchase of WDC — reported range $1,001 - $15,000
2. Jun 9, 2026Insider · 1 personInsiders: 44 sales (~$2.1M)
3. Jul 21, 2026InsiderOfficer sold ~$428K of WDC shares in the open market
4. Jul 28, 2026Insider · 1 personInsiders: 32 sales (~$1.8M)
5. Jul 31, 20265% stakeVanguard Portfolio Management reported a passive stake (13G) of 3.6%
6. Aug 5, 2026Company filing · Form 8-K · ResultsReported its results
7. Aug 6, 20265% stakeFMR LLC reported a passive stake (13G) of 7.2%

What came next

1. Aug 11, 2026Insider · 1 personInsiders: 2 sales (~$1.5M)
2. Aug 26, 2026Company filing · Form 8-K · Unregistered shares, Other newsSold new shares without registering them, and reported other company news
3. Aug 26, 2026Company filing · Form 8-K · Unregistered sharesSold new shares without registering them

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 Western Digital

For Western Digital, OQRO holds 51 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports and 70 fund holdings reports (13F) 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 WDC page.

How this filing works

• SEC Form 13F

Other disclosures at Western Digital

• SEC Form 4Sep 9, 2026
• SEC Form 4Sep 9, 2026
• SEC Form 144Sep 4, 2026
• SEC Form 144Sep 4, 2026
• House Clerk periodic transaction reportSep 4, 2026
• SEC Form 4Sep 2, 2026

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