Summary

Despite the timeliness issue, growth investors should be cautious about investing in stocks with less than 30 percent institutional ownership because it's likely that these savvy investors are avoiding the stock for good reason.

Avoid stocks with very high insider ownership, as that signals that big shareholders may be waiting for the opportune time to reduce their holders, among other potential problems.

The close attention given to insider trading reports in recent years has made that data less significant as insiders learned how to game the insider trading reports.

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