One of Wall Street's most-prominent activist investors has been steadily reducing his stake in Chipotle and has now devoted 21% of his fund's invested assets to an undisputed industry leader.

Data is the fuel responsible for powering Wall Street's proverbial engine. The only problem for investors is that it can often be difficult to keep up on a laundry list of earnings reports, investor presentations, and economic releases from the federal government. It's easy for something of importance to fall through the cracks.

For example, you might have missed the Aug. 14 filing deadline for Form 13Fs with the Securities and Exchange Commission. A 13F allows investors to track which stocks, exchange-traded funds (ETFs), and select options Wall Street's brightest money managers bought and sold i

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