Berkshire Hathaway (BRK.B)Compagnie Lombard Odier SCmA opened a new position $33.4M

67K

Shares reported

0.36%

Disclosed portfolio weight

$33.4M

Reported value

Holdings as of

Jun 30, 2026

Filed

Jul 29, 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. Feb 10, 2026Congress · 1 personMembers of Congress: 3 sales
2. Mar 27, 2026CongressDisclosed purchase of BRK.B — reported range $50,001 - $100,000
3. May 4, 2026Congress · 1 personMembers of Congress: 2 sales
4. May 27, 2026Congress · 1 personMembers of Congress: 4 purchases
5. Jun 23, 2026CongressDisclosed purchase of BRK.B — reported range $15,001 - $50,000
6. Jul 15, 20265% stakeWarren E. Buffett filed an activist stake (13D) of 38.2%
7. Jul 28, 2026Congress · 1 personMembers of Congress: 2 purchases

What came next

1. Jul 30, 2026CongressDisclosed purchase of BRK.B — reported range $1,001 - $15,000
2. Aug 3, 2026FDA · NHTSA campaign 26V503000Vehicle recall of 21 units: electrical system, wiring
3. Aug 7, 2026CongressDisclosed purchase of BRK.B — reported range $1,001 - $15,000
4. Aug 8, 2026Company filing · Form 8-K · ResultsReported its results
5. Aug 12, 2026Federal contract · $5.7M obligatedDepartment of the Treasury awarded Berkshire Hathaway: $5.74M obligated to date
6. Aug 12, 2026Insider · 1 personInsiders: 3 purchases (~$250K)
7. Sep 1, 2026FDA · NHTSA campaign 26V563000Vehicle recall of 5 units: equipment, recreational vehicle/trailer, lpg systems
8. Sep 1, 2026FDA · NHTSA campaign 26V565000Vehicle recall of 55 units: equipment adaptive/mobility, wheelchair lift/ramp, controls/control wiring
9. Sep 10, 2026FDA · NHTSA campaign 26V585000Vehicle recall of 195 units: back over prevention, sensing system, camera
10. Sep 10, 2026FDA · NHTSA campaign 26V586000Vehicle recall of 60 units: equipment, appliance, oven/stove/cooktop
11. Sep 11, 2026FDA · NHTSA campaign 26V589000Vehicle recall of 155 units: electrical system, wiring
12. Sep 21, 2026FDA · NHTSA campaign 26V603000Vehicle recall of 16 units: fuel system, diesel, pre-heater
13. Sep 23, 2026FDA · NHTSA campaign 26V609000Vehicle recall of 111 units: structure, body, step/ladder
14. Sep 23, 2026FDA · NHTSA campaign 26V610000Vehicle recall of 41 units: equipment, recreational vehicle/trailer
15. Sep 23, 2026FDA · NHTSA campaign 26V608000Vehicle recall of 132 units: structure, body, door
16. Sep 24, 2026CongressDisclosed partial sale of BRK.B — reported range $1,001 - $15,000
17. Sep 28, 2026Insider · Their largest sale since 2018Chair sold ~$20M of BRK.B shares in the open market

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 Berkshire Hathaway

For Berkshire Hathaway, OQRO holds 4 insider filings (SEC Form 4 or Form 144), 7 Congress trade reports, 139 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 BRK.B page.

How this filing works

• SEC Form 13F

Other disclosures at Berkshire Hathaway

• House Clerk periodic transaction reportOct 7, 2026
• SEC Form 4Sep 29, 2026
• House Clerk periodic transaction reportSep 9, 2026
• SEC Form 13F-HRAug 26, 2026
• SEC Form 13F-HRAug 18, 2026
• SEC Form 13F-HRAug 17, 2026

Everything OQRO holds on this company is on its BRK.B page.