Author: Sean Williams, The Motley Fool

One of Wall Street’s most unwavering long-term optimists just bluntly leveled with investors.

He now has a $1.1 billion stake.

More than a century of data points a clear picture…

The Oracle of Omaha scooped up shares of three stocks — including two legal monopolies — and dumped close to $1.3 billion worth of another during the December-ended quarter.

These phenomenal businesses have well-defined competitive advantages, are inexpensive, and are ripe for the picking by opportunistic investors.