Quick Takeaways
- Warren E. Buffett has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value is not available.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Warren E. Buffett
- Location
- Omaha, NE
- Signature
- /s/ Warren E. Buffett
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Warren E. Buffett and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: BERKSHIRE HATHAWAY INC ().
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Warren E. Buffett
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| BRK-B, BRK-A | BERKSHIRE HATHAWAY INC | Chairman and CEO, Director, 10%+ Owner | 17 Mar 2026 | |||
| DVA | DAVITA INC. | 10%+ Owner | 29 Jan 2026 | |||
| LLYVA, LLYVB | Liberty Live Holdings, Inc. | 10%+ Owner | 06 Jan 2026 |
Insider Transactions Reported by Warren E. Buffett:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.