The Oracle of Omaha has sent more than 427 million shares of Bank of America to the chopping block since mid-July 2024, and he continues to build his company's stake in a well-known, consumer-facing company.

Few data releases are more exciting or valuable for the investing community than the quarterly filing of Form 13Fs with the Securities and Exchange Commission.

A 13F is a required filing no later than 45 calendar days following the end to a quarter by institutional investors with at least $100 million in assets under management. In simple terms, it allows investors to look over the shoulders of Wall Street's brightest money managers to see what they've been buying and selling.

No asset manager's trading activity is more closely followed than that of Warren Buffett. Since taking th

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