Use This Filing to Trade Like Jeff Berkowitz

This column was originally published on RealMoney on March 1 at 3:20 p.m. EST. It's being republished as a bonus for TheStreet.com readers.

I like learning from the stock picks and styles of others. I spent five years studying every aspect of Warren Buffett's approach, and the result was my second book, Trade Like Warren Buffett. I looked at every stage of his career from the 1950s on (hedge fund days, early Berkshire, later Berkshire, his personal portfolio, etc.), and had conclusions very different from the usual value-based books about him. I hope the process made me a better investor, and time will tell.

Along these lines, I like looking at the 13F-HR. These are filings from institutions/funds with greater than $100 million in stock holdings, which are required by the SEC every quarter.

I plan to pick an investor once every so often and do an article based on his 13F-HR filings to get a sense of their approach and a look at their picks. ...