Security
Shares
Value
a
Investment
Companies
(a)
Domestic
Equity
—
37
.6
%
iShares
Core
S&P
500
ETF
..................
1,435,635
$
801,026,905
iShares
Core
S&P
Mid-Cap
ETF
...............
797,016
45,358,180
iShares
Core
S&P
Small-Cap
ETF
.............
209,383
20,965,520
867,350,605
a
Domestic
Fixed
Income
—
33
.6
%
iShares
Core
Total
USD
Bond
Market
ETF
........
16,847,522
775,828,388
a
International
Equity
—
22
.8
%
iShares
Core
MSCI
Emerging
Markets
ETF
.......
2,702,029
146,368,911
iShares
Core
MSCI
International
Developed
Markets
ETF
................................
5,318,762
380,929,734
527,298,645
a
International
Fixed
Income
—
5
.9
%
iShares
Core
International
Aggregate
Bond
ETF
....
2,675,489
135,968,351
a
Total
Long-Term
Investments — 99.9%
(Cost:
$
2,219,581,578
)
...............................
2,306,445,989
Security
Shares
Value
a
Short-Term
Securities
Money
Market
Funds
—
0
.1
%
BlackRock
Cash
Funds:
Treasury,
SL
Agency
Shares
,
4.30
%
(a)
(b)
............................
2,141,029
$
2,141,029
a
Total
Short-Term
Securities — 0.1%
(Cost:
$
2,141,029
)
..................................
2,141,029
Total
Investments
—
100.0%
(Cost:
$
2,221,722,607
)
...............................
2,308,587,018
Liabilities
in
Excess
of
Other
Assets
—
0
.0
%
................
(
278,209
)
Net
Assets
—
100.0%
.................................
$
2,308,308,809
(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)
$
—
$
17,025
(b)
$
—
$
(
17,025
)
$
—
$
—
—
$
63,722
(c)
$
—
BlackRock
Cash
Funds:
Treasury,
SL
Agency
Shares
..
2,386,776
—
(
245,747
)
(b)
—
—
2,141,029
2,141,029
141,524
—
iShares
Core
International
Aggregate
Bond
ETF
..........
121,684,887
41,800,390
(
26,760,595
)
182,409
(
938,740
)
135,968,351
2,675,489
5,844,852
—
iShares
Core
MSCI
Emerging
Markets
ETF
..........
125,237,623
47,476,472
(
26,244,096
)
1,673,788
(
1,774,876
)
146,368,911
2,702,029
3,155,261
—
iShares
Core
MSCI
International
Developed
Markets
ETF
..........
353,553,038
104,505,993
(
99,157,375
)
10,319,811
11,708,267
380,929,734
5,318,762
5,661,935
—
iShares
Core
S&P
500
ETF
..........
722,796,383
260,399,215
(
187,336,433
)
48,150,861
(
42,983,121
)
801,026,905
1,435,635
8,204,519
—
iShares
Core
S&P
Mid-
Cap
ETF
.......
43,946,645
15,230,611
(
10,101,415
)
1,908,773
(
5,626,434
)
45,358,180
797,016
494,001
—
iShares
Core
S&P
Small-Cap
ETF
..
19,930,349
8,466,775
(
4,054,073
)
667,918
(
4,045,449
)
20,965,520
209,383
366,890
—
iShares
Core
Total
USD
Bond
Market
ETF
..........
693,645,400
245,944,117
(
162,696,694
)
(
794,733
)
(
269,702
)
775,828,388
16,847,522
22,937,970
—
$
62,091,802
$
(
43,930,055
)
$
2,308,587,018
$
46,870,674
$
—
(a)
As
of
period
end,
the
entity
is
no
longer
held.
(b)
Represents
net
amount
purchased
(sold).