market folly

Bill Ackman's hedge fund Pershing Square Capital Management recently filed a Form 4 with the SEC regarding shares of Borders Group (BGP). In the filing, we see that Ackman received BGP warrants on September 30th, 2010. The hedge fund has received warrants in the past which we also detailed back in May.

As a result of certain anti-dilution adjustments outlined in Pershing Square's previous 13D filing, Bill Ackman's firm has received warrants to purchase an aggregate of 8,542,399 shares of common stock of BGP. The exercise date is September 30th and the expiration date is October 9th, 2014. These warrants have a conversion/exercise price of $0.65 . In total, all of Ackman's related entities now own 25,944,236 BGP warrants.

In terms of other recent activity out of his hedge fund, Bill Ackman bought BP (BP) credit default swaps in the second quarter. You can view Pershing Square's entire portfolio in our new newsletter: Hedge Fund Wisdom.

Taken from Google Finance, Borders Group is "an operator of book, music and movie superstores and mall-based bookstores. As of January 30, 2010, Borders operated 511 superstores under the Borders name, including 508 in the United States and three in Puerto Rico."

To hear Bill Ackman's latest investment ideas, he's speaking at the Value Investing Congress in New York City next week. Sign-up here as only a limited amount of tickets remain.