Security
Shares
Value
a
Investment
Companies
(a)
Domestic
Equity
—
25
.1
%
iShares
Core
S&P
500
ETF
..................
615,130
$
343,217,935
iShares
Core
S&P
Mid-Cap
ETF
...............
341,499
19,434,708
iShares
Core
S&P
Small-Cap
ETF
.............
89,715
8,983,163
371,635,806
a
Domestic
Fixed
Income
—
50
.6
%
iShares
Core
Total
USD
Bond
Market
ETF
........
16,242,055
747,946,633
a
International
Equity
—
15
.3
%
iShares
Core
MSCI
Emerging
Markets
ETF
.......
1,157,744
62,714,992
iShares
Core
MSCI
International
Developed
Markets
ETF
................................
2,278,941
163,217,754
225,932,746
a
International
Fixed
Income
—
8
.9
%
iShares
Core
International
Aggregate
Bond
ETF
....
2,579,337
131,081,906
a
Total
Long-Term
Investments — 99.9%
(Cost:
$
1,486,314,733
)
...............................
1,476,597,091
Security
Shares
Value
a
Short-Term
Securities
Money
Market
Funds
—
0
.1
%
BlackRock
Cash
Funds:
Treasury,
SL
Agency
Shares
,
4.30
%
(a)
(b)
............................
1,368,031
$
1,368,031
a
Total
Short-Term
Securities — 0.1%
(Cost:
$
1,368,031
)
..................................
1,368,031
Total
Investments
—
100.0%
(Cost:
$
1,487,682,764
)
...............................
1,477,965,122
Liabilities
in
Excess
of
Other
Assets
—
0
.0
%
................
(
132,800
)
Net
Assets
—
100.0%
.................................
$
1,477,832,322
(a)
Affiliate
of
the
Fund.
(b)
Annualized
7-day
yield
as
of
period
end.
Affiliates
Investments
in
issuers
considered
to
be
affiliate(s)
of
the
Fund
during
the
period
ended
April
30,
2025
for
purposes
of
Section
2(a)(3)
of
the
Investment
Company
Act
of
1940,
as
amended,
were
as
follows:
Affiliated
Issuer
Value
at
07/31/24
Purchases
at
Cost
Proceeds
from
Sale
Net
Realized
Gain
(Loss)
Change
in
Unrealized
Appreciation
(Depreciation)
Value
at
04/30/25
Shares
Held
at
04/30/25
Income
Capital
Gain
Distributions
from
Underlying
Funds
BlackRock
Cash
Funds:
Institutional,
SL
Agency
Shares
(a)
$
—
$
11,732
(b)
$
—
$
(
11,732
)
$
—
$
—
—
$
26,708
(c)
$
—
BlackRock
Cash
Funds:
Treasury,
SL
Agency
Shares
..
1,681,996
—
(
313,965
)
(b)
—
—
1,368,031
1,368,031
92,627
—
iShares
Core
International
Aggregate
Bond
ETF
..........
122,279,896
25,386,705
(
15,921,830
)
46,299
(
709,164
)
131,081,906
2,579,337
5,607,384
—
iShares
Core
MSCI
Emerging
Markets
ETF
..........
55,933,568
13,830,396
(
7,112,305
)
370,506
(
307,173
)
62,714,992
1,157,744
1,351,732
—
iShares
Core
MSCI
International
Developed
Markets
ETF
..........
157,902,945
28,357,305
(
32,327,746
)
2,715,809
6,569,441
163,217,754
2,278,941
2,425,626
—
iShares
Core
S&P
500
ETF
..........
322,815,188
79,149,860
(
61,611,151
)
15,324,800
(
12,460,762
)
343,217,935
615,130
3,558,886
—
iShares
Core
S&P
Mid-
Cap
ETF
.......
19,627,324
4,612,831
(
3,207,025
)
571,359
(
2,169,781
)
19,434,708
341,499
214,179
—
iShares
Core
S&P
Small-Cap
ETF
..
8,901,417
2,627,497
(
1,093,241
)
279,189
(
1,731,699
)
8,983,163
89,715
158,477
—
iShares
Core
Total
USD
Bond
Market
ETF
..........
697,037,618
152,203,060
(
99,894,531
)
(
1,107,783
)
(
291,731
)
747,946,633
16,242,055
22,432,076
—
$
18,188,447
$
(
11,100,869
)
$
1,477,965,122
$
35,867,695
$
—
(a)
As
of
period
end,
the
entity
is
no
longer
held.
(b)
Represents
net
amount
purchased
(sold).