Warren Buffett 13F Portfolio
 | Hedge Fund | Portfolio Manager | Performance 26Q1 | AUM (13F) | # of Holdings | Performance Rank | Allocation |
|---|---|---|---|---|---|---|---|
| Berkshire Hathaway | Warren Buffett | -1.27% | $263095706000 | 29 |
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Berkshire Hathaway Holdings Map
Top 50 Berkshire Hathaway Holdings
| Stock | Company Name | % of Portfolio | Δ % of Portf | Shares Owned | Calls/Puts | Value Owned | Trade Value | Latest Activity | Ownership Hist | Net Ownership Hist | Average Buy Price | Price History | Sector | Date |
|---|
Top 50 Options Holdings
| Stock | Company Name | Option Type | Shares | Value | Latest Activity | Average Buy Price | Ownership History | Net Ownership Hist | Sector | Date |
|---|
Largest Stock Buys since Q1 2026:
| Stock | Company Name | % of Portfolio | Δ % of Portf | Shares Owned | Calls/Puts | Value Owned | Trade Value | Latest Activity | Ownership Hist | Net Ownership Hist | Average Buy Price | Price History | Date |
|---|
Largest Stock Sells since Q1 2026:
| Stock | Company Name | % of Portfolio | Δ % of Portf | Shares Owned | Calls/Puts | Value Owned | Trade Value | Latest Activity | Ownership Hist | Net Ownership Hist | Average Buy Price | Price History | Date |
|---|
Sector Allocation over time
Portfolio Structure
Data Integrity at Scale
HedgeFollow applies mass data sanitization to improve accuracy, with over 1 million errors corrected across all 13F filings.
Filing-level errors
Filing-level errors affect the entire 13F submission.
| Error Type | Affected Quarter | Filing Accession Number | |
|---|---|---|---|
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🔒 Results are restricted to reps under the institutional plan This table contains any detected filing-level issues for this fund. Examples:
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Record-level errors
Record-level errors affect individual holdings.
| Error Type | Quarter | Cusip | Incorrect Value | Correct Value | Filing Number |
|---|---|---|---|---|---|
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🔒 Results are restricted to reps under the institutional plan This table contains any detected record-level issues for this fund. Examples:
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Includes access to filing diagnostics and additional institutional features.
Berkshire Hathaway Performance History
| Performance Metric | 3-Year Annualized Return | 3-Year Cumulative Return | Compared to other Funds |
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Performance vs S&P500
Performance compared to other Funds
AI Portfolio Analysis for Q1 2026
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| Signal Strength | Insight |
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