Schedules of Investments

12 Months Ended

Dec. 31, 2019

Notes to Financial Statements

Investment Holdings, Schedule of Investments [Text Block]

Schedules of Investments

At  December 31, 2019 and 2018

December 31, 2019

Security Description	Face Amount		Fair Value
U.S. Treasury bills(a)(b):
1.56% due 01/07/20	$	50,000,000	$	49,990,521
1.54% - 1.87% due 01/16/20		85,000,000		84,953,805
1.62% due 01/21/20		50,600,000		50,560,743
1.87% due 01/23/20		50,000,000		49,957,125
1.55% due 01/30/20		100,000,000		99,886,820
1.56% due 02/04/20		15,000,000		14,978,480
1.88% - 1.93% due 02/06/20		70,000,000		69,898,597
1.55% due 02/13/20		65,000,000		64,887,198
1.55% due 02/20/20		30,000,000		29,938,138
1.81% due 02/27/20		15,000,000		14,964,767
1.53% - 1.61% due 03/12/20		75,000,000		74,780,885
1.55% due 03/26/20		25,000,000		24,912,048
1.55% due 04/16/20		35,000,000		34,845,071
1.55% - 1.61% due 04/23/20		55,000,000		54,737,729
1.51% due 05/07/20		15,000,000		14,920,003
1.55% due 05/14/20		16,400,000		16,307,435
Total U.S. Treasury bills (Cost: $750,419,242)				750,519,365
Total Investments – 96.80%				750,519,365
Other Assets, Less Liabilities – 3.20%				24,823,740
Net Assets – 100.00%			$	775,343,105

(a) A portion of the above United States Treasury bills are posted as margin for the Trust’s Index Futures positions as described in Note 2D.

(b) Rates shown are discount rates paid at the time of purchase.

As of December 31, 2019, the open S&P GSCI-ER futures contracts were as follows:

Number of Contracts	Expiration Date	Current Notional Amount		Net Unrealized Appreciation (Depreciation)
32,510	March 16, 2020	$	773,217,840	$	19,634,651

December 31, 2018

Security Description	Face Amount		Fair Value
U.S. Treasury bills(a)(b):
2.08% – 2.25% due 01/03/19	$	16,000,000	$	15,999,000
2.32% due 01/08/19		200,000,000		199,925,084
2.30% due 01/10/19		145,000,000		144,927,380
2.29% due 01/15/19		200,000,000		199,835,784
2.30% – 2.33% due 01/22/19		350,000,000		349,552,777
2.28% due 01/24/19		180,000,000		179,748,925
2.40% due 01/29/19		50,000,000		49,909,343
2.41% due 02/14/19		60,000,000		59,828,359
Total U.S. Treasury bills (Cost: $1,199,665,444)				1,199,726,652
Total Investments – 99.16%				1,199,726,652
Other Assets, Less Liabilities – 0.84%				10,139,957
Net Assets – 100.00%			$	1,209,866,609

(a) A portion of the above United States Treasury bills are posted as margin for the Trust’s Index Futures positions as described in Note 2D.

(b) Rates shown are discount rates paid at the time of purchase.

As of December 31, 2018, the open S&P GSCI-ER futures contracts were as follows:

Number of Contracts	Expiration Date	Current Notional Amount		Net Unrealized Appreciation (Depreciation)
57,905	March 15, 2019	$	1,200,110,078	$	(116,523,249	)

See notes to financial statements.