Statement of Financial Condition (Unaudited) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Assets
United States Treasury Obligations, at value (cost $1,447,642,314 and $1,614,486,381, respectively)	$ 1,447,699,255	$ 1,614,425,920
Affiliated investments, at value (cost $319,322,279 and $394,929,293, respectively)	319,596,529	395,084,923
Other investments:
Unrealized appreciation on LME Commodity Futures Contracts	12,762,925
Receivable for:
Dividends from affiliates	178,499	267,646
Other receivables		17,077
Total assets	1,780,237,208	2,009,795,566
Other investments:
Variation margin payable- Commodity Futures Contracts	570,796	3,520,610
LME Commodity Futures Contracts payable	753,000	26,258,506
Unrealized depreciation on LME Commodity Futures Contracts	5,122,250	27,076,875
Payable for:
Due to custodian	6	18,960,283
Management fees	1,253,918	1,402,398
Brokerage commissions and fees	4,733	38
Total liabilities	7,704,703	77,218,710
Commitments and Contingencies (Note 10)
Equity
Shareholder's equity—General Shares	636	578
Shareholders' equity—Shares	1,772,531,869	1,932,576,278
Total shareholders' equity	1,772,532,505	1,932,576,856
Total liabilities and equity	$ 1,780,237,208	$ 2,009,795,566
General Shares outstanding	40	40
Shares outstanding	111,400,000	133,800,000
Net asset value per share	$ 15.91	$ 14.44
Market value per share	$ 15.91	$ 14.51