From:

http://seekingalpha.com/article/298770-institutional-5-ownership-fi...

"...Blackrock, the world's largest and most prominent asset manager, with $3.7 Trillion in assets under management, filed Form SC13G/A with the SEC on Friday, indicating that its Blackrock Inc. funds holds 31.7 million shares or 4.8% of the (CHK) outstanding shares."

"This is an increase from the 7.4 million shares owned by Blackrock, Inc., as indicated in their last 13-F filing for the period ending June 2011..."

Very Interesting...

DrWAVeSport Cd1  10/13/2011