Principal
Value
U.S.
Treasury
Bills
–
99.5%
U.S.
Treasury
Bill,
5.36%,
4/11/2024(a)
........................................
$
243,500,000
$
243,145,978
U.S.
Treasury
Bill,
5.36%,
4/16/2024(a)
........................................
38,000,000
37,916,645
U.S.
Treasury
Bill,
5.40%,
4/30/2024(a)
........................................
7,500,000
7,468,263
U.S.
Treasury
Bill,
5.39%,
5/21/2024(a)(b)
......................................
485,000,000
481,456,803
U.S.
Treasury
Bill,
5.39%,
6/18/2024(a)
........................................
49,000,000
48,449,951
Total
U.S.
Treasury
Bills
(Cost
$818,430,892)
.......................................
818,437,640
Shares
Exchange-Traded
Funds
–
22.4%
Fixed
Income
Funds
–
22.4%
Simplify
Aggregate
Bond
ETF(c)
..............................................
4,896,741
104,937,160
Simplify
Stable
Income
ETF(c)
...............................................
3,179,679
79,714,552
Total
Exchange-Traded
Funds
(Cost
$185,512,016)
..................................
184,651,712
Principal
U.S.
Government
Obligations
–
4.3%
U.S.
Treasury
Inflation
Indexed
Note,
0.50%,
4/15/2024(d)
.........................
$
28,600,000
34,987,903
U.S.
Treasury
Note,
2.88%,
6/15/2025(d)
.......................................
100,000
97,603
Total
U.S.
Government
Obligations
(Cost
$35,025,314)
................................
35,085,506
Number
of
Contracts
Notional
Amount
Purchased
Options
–
0.2%
Calls
–
Exchange-Traded
–
0.2%
Chicago
Board
Option,
April
Strike
Price
$50,
Expires
4/17/24
............
20,000
100,000,000
120,000
Chicago
Board
Option,
May
Strike
Price
$50,
Expires
5/22/24
............
30,000
150,000,000
390,000
Chicago
Board
Option,
June
Strike
Price
$50,
Expires
6/18/24
............
30,000
150,000,000
645,000
U.S.
2
Year
Treasury
Note
Future,
April
Strike
Price
$105.75,
Expires
4/26/24
3,603
762,034,500
0
U.S.
2
Year
Treasury
Note
Future,
May
Strike
Price
$106,
Expires
5/24/24
..
13,386
2,837,832,000
209,170
1,364,170
Total
Purchased
Options
(Cost
$2,518,233)
...........................................
1,364,170
Total
Investments
–
126.4%
(Cost
$1,041,486,455)
..........................................................
$
1,039,539,028
Liabilities
in
Excess
of
Other
Assets
–
(26.4)%
........................................
(217,196,543)
Net
Assets
–
100.0%
............................................................
$
822,342,485
Number
of
Contracts
Notional
Amount
Written
Options
–
(0.2)%
Calls
–
Exchange-Traded
–
(0.0)%†
U.S.
Treasury
Bond
Future,
April
Strike
Price
$125,
Expires
4/26/24
.......
(500)
$
(62,500,000)
$
(85,938)
U.S.
Treasury
Bond
Future,
May
Strike
Price
$127,
Expires
5/24/24
.......
(500)
(63,500,000)
(132,812)
(218,750)
Puts
–
Exchange-Traded
–
(0.2)%
U.S.
Treasury
Bond
Future,
April
Strike
Price
$117,
Expires
4/26/24
.......
(500)
$
(58,500,000)
$
(140,625)
U.S.
Treasury
Bond
Future,
April
Strike
Price
$118,
Expires
4/26/24
.......
(500)
(59,000,000)
(242,188)
U.S.
Treasury
Bond
Future,
April
Strike
Price
$119,
Expires
4/26/24
.......
(500)
(59,500,000)
(375,000)