Statements of Financial Condition - USD ($)		Dec. 31, 2016	Dec. 31, 2015
Assets
United States Treasury Obligations, at value (cost $252,672,685 and $135,975,320, respectively)		$ 252,671,516	$ 135,984,580
Affiliated investments, at value and cost		19,276,827
Total Investments, at value (cost $271,949,512 and $135,975,320, respectively)		271,948,343	135,984,580
Cash held by custodian	[1],[2]		4,850,927
Receivable for:
Dividends from affiliates		4,928
Net unrealized appreciation (depreciation) on Commodity Futures Contracts		12,495,905	(13,891,219)
Total assets		284,449,176	126,944,288
Payable for:
LME contracts		129,711	12,873,124
Management fee		179,015	82,845
Brokerage commissions and fees		4,561	5,007
Total liabilities		313,287	12,960,976
Commitments and Contingencies (Note 9)
Equity
Shareholder's equity—General Shares		598	475
Shareholders' equity—Shares		284,135,291	113,982,837
Total shareholders' equity		284,135,889	113,983,312
Total liabilities and equity		$ 284,449,176	$ 126,944,288
General Shares outstanding		40	40
Shares outstanding		19,000,000	9,600,000
Net asset value per share		$ 14.95	$ 11.87
Market value per share		$ 14.91	$ 11.91

[1] Cash at December 31, 2014 and prior reflects cash held by Predecessor Commodity Broker.

[2] Cash at December 31, 2016 and 2015 reflects cash held by the Custodian.