Simplify
MBS
ETF
Schedule
of
Investments
March
31,
2024
(Unaudited)
1
Principal
Value
U.S.
Treasury
Bills
–
172.1%
U.S.
Treasury
Bill,
5.42%,
4/2/2024(a)
.........................................
$
342,100,000
$
342,050,437
U.S.
Treasury
Bill,
5.41%,
4/9/2024(a)
.........................................
6,500,000
6,492,436
U.S.
Treasury
Bill,
5.39%,
4/11/2024(a)
........................................
20,300,000
20,270,486
U.S.
Treasury
Bill,
5.39%,
4/16/2024(a)
........................................
5,500,000
5,487,936
U.S.
Treasury
Bill,
5.39%,
4/30/2024(a)
........................................
84,000,000
83,644,547
U.S.
Treasury
Bill,
5.36%,
5/21/2024(a)
........................................
350,000,000
347,443,054
Total
U.S.
Treasury
Bills
(Cost
$805,450,598)
.......................................
805,388,896
U.S.
Government
Agency
Mortgage
Backed
Securities
–
97.5%
Federal
National
Mortgage
Association,
5.00%,
4/15/2054
.........................
176,250,000
172,131,330
Federal
National
Mortgage
Association,
5.50%,
4/15/2054
.........................
160,000,000
159,342,187
Federal
National
Mortgage
Association,
6.00%,
4/15/2054
.........................
123,750,000
124,964,163
Total
U.S.
Government
Agency
Mortgage
Backed
Securities
(Cost
$455,296,217)
..........
456,437,680
Total
Investments
–
269.6%
(Cost
$1,260,746,815)
..........................................................
$
1,261,826,576
Liabilities
in
Excess
of
Other
Assets
–
(169.6)%
.......................................
(793,707,475)
Net
Assets
–
100.0%
............................................................
$
468,119,101
(a)
Represents
a
zero
coupon
bond.
Rate
shown
reflects
the
effective
yield.
Summary
of
Investment
Type††
Industry
%
of
Net
Assets
U.S.
Treasury
Bills
................................................................................
172.1%
U.S.
Government
Agency
Mortgage
Backed
Securities
...................................................
97.5%
Total
Investments
................................................................................
269.6%
Liabilities
in
Excess
of
Other
Assets
..................................................................
(169.6)%
Net
Assets
.....................................................................................
100.0%
††
The
percentage
shown
for
each
investment
category
is
the
total
value
of
investments
in
that
category
as
a
percentage
of
the
net
assets
of
the
Fund.
The
table
depicts
the
Fund's
investments
but
may
not
represent
the
Fund's
market
exposure
to
certain
derivatives,
if
any,
which
are
included
in
Liabilities
in
Excess
of
Other
Assets.