Invesco Ltd. just filed a "Statement of acquisition of beneficial ownership", which is also known as a 13G. In the filing, it appears as though Invesco Ltd. claims to own 1,699,800 shares. This represents 13.5% of PowerShares DB Energy Fund.
Please note that typos are common in SEC filings. Please verify the information reported above before acting on it.
To receive a free e-mail notification whenever PowerShares DB Energy Fund makes a similar move, sign up!