Statements of Financial Condition (Unaudited) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Assets
United States Treasury Obligations, at fair value (cost $216,996,933 and $236,993,093, respectively)	$ 217,001,291	$ 236,994,724
Cash held by commodity broker	0	27,364,752
Cash held by custodian	9,893,886
Net unrealized appreciation (depreciation) on Commodity Futures Contracts	(23,171,081)	(13,474,175)
Total assets (of which $43,823,219 and $18,366,219, respectively is restricted for maintenance margin purposes)	203,724,096	250,885,301
Liabilities
Payable for LME contracts	16,313,530	7,104,250
Payable for securities purchased		22,997,987
Management fee payable	132,087	130,925
Brokerage fee payable	4,996	4,635
Total liabilities	$ 16,450,613	$ 30,237,797
Commitments and Contingencies (Note 9)
Equity
Shareholders' equity - General Shares	$ 576	$ 640
Shareholders' equity - Shares	187,272,907	220,646,864
Total shareholders' equity	187,273,483	220,647,504
Total liabilities and equity	$ 203,724,096	$ 250,885,301
General Shares outstanding	40	40
Shares outstanding	13,000,000	13,800,000
Net asset value per share
General Shares	$ 14.41	$ 15.99
Shares	$ 14.41	$ 15.99