iShares
 
Bonds99.64%
Cash0.03%
Other* 0.34%
*May include dividends booked but not yet received.
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Holdings Detail as of 5/21/2013  (Holdings subject to change)

CUSIP Name % Net
Assets
Market
Value ($)
Maturity Credit
Rating
Moody's
/S&P
Effective Duration

A measure of the responsiveness of a bond or portfolio's price to changes in interest rates. Effective Duration takes into account the possible changes in expected bond cash flows due to interest rate changes.

Effective
Duration
Coupon Yield
to
Maturity
Yield
to
 Worst
Sector
-- TREASURY BILL 20.27 $877,990,020 8/1/2013 Aaa /
AA+
0.20 0.00 0.05 0.05 Treasuries
-- TREASURY NOTE 14.00 $606,539,669 1/15/2014 Aaa /
AA+
0.65 1.00 0.12 0.12 Treasuries
-- TREASURY NOTE 11.73 $508,247,087 7/31/2013 P-1 /
A-1+
0.19 3.38 0.16 0.16 Treasuries
-- TREASURY NOTE 9.58 $414,940,264 6/15/2013 P-1 /
A-1+
0.07 1.12 0.25 0.25 Treasuries
-- TREASURY NOTE 9.04 $391,545,984 8/31/2013 P-1 /
A-1+
0.28 0.12 0.09 0.09 Treasuries
-- TREASURY NOTE 5.49 $237,739,164 10/31/2013 Aaa /
AA+
0.45 0.25 0.11 0.11 Treasuries
-- TREASURY NOTE 5.07 $219,527,006 8/15/2013 P-1 /
A-1+
0.24 4.25 0.16 0.16 Treasuries
-- TREASURY NOTE 4.81 $208,462,631 3/31/2014 Aaa /
AA+
0.86 1.75 0.14 0.14 Treasuries
-- TREASURY NOTE 4.48 $194,169,233 11/30/2013 Aaa /
AA+
0.52 2.00 0.12 0.12 Treasuries
-- TREASURY NOTE 4.46 $193,204,204 7/31/2013 P-1 /
A-1+
0.19 0.38 0.12 0.12 Treasuries
-- TREASURY NOTE 3.92 $169,950,864 5/31/2014 Aaa /
AA+
1.02 0.25 0.15 0.15 Treasuries
-- TREASURY BILL 3.59 $155,485,256 5/30/2013 Aaa /
AA+
0.02 0.00 0.41 0.41 Treasuries
-- TREASURY NOTE 2.73 $118,237,400 3/31/2014 Aaa /
AA+
0.86 0.25 0.15 0.15 Treasuries
-- TREASURY NOTE 0.27 $11,609,150 1/31/2014 Aaa /
AA+
0.69 1.75 0.14 0.14 Treasuries
-- TREASURY NOTE 0.20 $8,698,779 5/31/2013 P-1 /
A-1+
0.03 3.50 0.94 0.94 Treasuries
-- BLACKROCK FDS III 0.03 $1,123,625 -- Aaa /
AA
0.00 0.01 0.01 0.01 S-T Securities
 

Please note: Total allocation percentages may not equal 100% due to rounding or omission of holdings of less than 1%. Information on certain fund holdings of less than 1% may not be widely available and may not be included in this list.