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Schedules of Investments (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Investment [Table Text Block]

Security Description		Face Amount				Fair Value
U.S. Treasury bills(a)(b):
3.66% – 3.68% due 4/02/26		$	76,070,000			$	76,062,332
3.60% – 3.69% due 4/07/26			103,200,000				103,137,823
3.66% – 3.68% due 4/09/26			61,200,000				61,150,897
3.66% – 3.69% due 4/14/26			40,000,000				39,947,566
3.68% due 4/16/26			43,600,000				43,534,128
3.68% – 3.69% due 4/21/26			68,070,000				67,932,801
3.68% – 3.69% due 4/23/26			72,600,000				72,438,964
3.70% due 4/28/26			30,000,000				29,918,314
3.66% due 5/07/26			15,000,000				14,945,363
3.67% – 3.68% due 5/14/26			88,484,000				88,099,242
3.66% – 3.68% due 5/21/26			99,447,000				98,945,897
3.70% due 5/26/26			42,000,000				41,766,116
3.68% due 5/28/26			30,000,000				29,827,228
3.67% due 6/02/26			35,000,000				34,782,297
3.67% due 6/04/26			47,000,000				46,698,048
3.69% due 6/11/26			60,500,000				60,070,772
3.70% due 6/18/26			40,000,000				39,688,260
3.66% due 6/23/26			35,000,000				34,711,478
3.67% due 6/30/26			30,300,000				30,027,565
3.69% due 7/07/26			25,000,000				24,756,860
Total U.S. Treasury bills (Cost: $1,038,462,634)							1,038,441,951
Total Investments – 104.11%							1,038,441,951
Other Assets, Less Liabilities – (4.11)%							(41,027,462	)
Net Assets – 100.00%						$	997,414,489

Security Description		Face Amount				Fair Value
U.S. Treasury bills(a)(b):
3.92% – 3.94% due 1/02/26		$	66,900,000			$	66,900,000
3.92% due 1/06/26			34,200,000				34,186,871
3.88% – 3.94% due 1/08/26			68,500,000				68,460,347
3.91% – 3.92% due 1/13/26			67,750,000				67,677,470
3.57% – 3.95% due 1/15/26			11,150,000				11,135,749
3.89% – 3.94% due 1/20/26			56,200,000				56,100,686
3.58% – 3.86% due 1/22/26			49,200,000				49,102,876
3.86% – 3.89% due 1/27/26			42,800,000				42,695,099
3.61% – 3.86% due 1/29/26			55,500,000				55,353,436
3.87% due 2/05/26			40,000,000				39,866,217
3.64% – 3.67% due 2/10/26			48,000,000				47,815,993
3.63% – 3.89% due 2/12/26			70,500,000				70,211,804
3.79% due 2/17/26			36,400,000				36,235,646
3.82% due 2/19/26			45,000,000				44,786,195
3.81% due 2/24/26			50,000,000				49,739,917
3.75% – 3.81% due 2/26/26			46,100,000				45,847,244
3.69% – 3.71% due 3/05/26			48,600,000				48,304,152
3.69% – 3.82% due 3/10/26			72,800,000				72,328,753
3.66% due 3/12/26			74,000,000				73,497,006
3.74% due 3/17/26			35,000,000				34,748,257
3.61% due 3/19/26			30,000,000				29,776,646
3.70% due 3/24/26			14,700,000				14,583,440
3.60% due 4/07/26			34,200,000				33,881,952
Total U.S. Treasury bills (Cost: $1,092,971,218)							1,093,235,756
Total Investments – 101.07%							1,093,235,756
Other Assets, Less Liabilities – (1.07)%							(11,561,055	)
Net Assets – 100.00%						$	1,081,674,701

Schedule of Derivative Instruments [Table Text Block]

	Number of Contracts			Expiration Date		Current Notional Amount				Net Unrealized Appreciation (Depreciation)
		23,659		June 15, 2026		$	996,187,510			$	68,544,741

	Number of Contracts			Expiration Date		Current Notional Amount				Net Unrealized Appreciation (Depreciation)
		35,543		March 16, 2026		$	1,078,495,466			$	(14,025,327	)

X

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Tabular disclosure of investment.

+ References

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-Topic 320
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/320/tableOfContent

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Topic 321
-Publisher FASB
-URI https://asc.fasb.org/321/tableOfContent

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Topic 325
-Publisher FASB
-URI https://asc.fasb.org/325/tableOfContent

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