iShares
 
Bonds97.53%
Cash1.91%
Other* 0.56%
*May include dividends booked but not yet received.
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Holdings Detail as of 5/15/2012  (Holdings subject to change)

CUSIP Name % Net
Assets 		Market
Value ($) 		Maturity Credit
Rating
Moody's
/S&P 		Effective Duration Effective
Duration 		Coupon Yield
to
Maturity 		Yield
to
 Worst 		Sector
-- FNMA 5.74 $20,750,098 3/15/2016 Aaa /
AA+ 		3.67 2.25 0.81 0.81 Agencies
-- FHLMC REFER 4.64 $16,773,767 8/20/2014 Aaa /
AA+ 		2.23 1.00 0.48 0.48 Agencies
-- FHLB 4.32 $15,630,992 9/6/2013 Aaa /
AA+ 		1.28 4.00 0.32 0.32 Agencies
-- FHLB 4.23 $15,302,622 5/28/2014 Aaa /
AA+ 		2.00 1.38 0.38 0.38 Agencies
-- FHLMC 3.93 $14,216,145 10/15/2013 Aaa /
AA+ 		1.41 0.50 0.42 0.42 Agencies
-- FHLMC REFER 3.78 $13,653,767 4/17/2015 Aaa /
AA+ 		2.90 0.50 0.54 0.54 Agencies
-- FHLB 3.40 $12,284,924 10/18/2013 Aaa /
AA+ 		1.40 3.62 0.33 0.33 Agencies
-- FHLMC REFERENCE NOTES 3.26 $11,784,258 7/15/2013 Aaa /
AA+ 		1.13 4.50 0.29 0.29 Agencies
-- FNMA BENCHMARK NOTES 2.88 $10,395,732 10/15/2015 Aaa /
AA+ 		3.20 4.38 0.66 0.66 Agencies
-- FHLMC REFERENCE NOTES 2.25 $8,136,676 7/17/2015 Aaa /
AA+ 		2.96 4.38 0.62 0.62 Agencies
-- FHLMC REFER 1.94 $7,005,240 11/27/2013 Aaa /
AA+ 		1.53 0.38 0.31 0.31 Agencies
-- BLACKROCK FDS III 1.91 $6,892,747 -- NR /
NR 		0.00 0.07 0.07 0.07 S-T Securities
-- FHLMC 1.80 $6,495,949 10/15/2013 Aaa /
AA+ 		1.41 0.38 0.42 0.42 Agencies
-- FNMA 1.66 $5,991,135 8/28/2014 Aaa /
AA+ 		2.26 0.65 0.72 0.72 Agencies
-- FHLMC REFER 1.59 $5,760,159 8/25/2016 Aaa /
AA+ 		4.09 2.00 0.87 0.87 Agencies
-- FNMA BENCH 1.58 $5,723,210 4/27/2017 Aaa /
AA+ 		4.80 1.12 1.04 1.04 Agencies
-- FNMA BENCHMARK NOTES 1.54 $5,583,861 10/26/2015 Aaa /
AA+ 		3.35 1.62 0.66 0.66 Agencies
-- FNMA BENCHMARK NOTES 1.50 $5,435,816 5/11/2017 Aaa /
AA+ 		4.50 5.00 1.05 1.05 Agencies
-- FHLB 1.46 $5,275,018 3/11/2016 Aaa /
AA+ 		3.61 3.12 0.85 0.85 Agencies
-- FNMA BENCHMARK NOTES 1.45 $5,232,954 2/13/2017 Aaa /
AA+ 		4.26 5.00 1.00 1.00 Agencies
-- FHLMC 1.40 $5,054,982 7/11/2014 Aaa /
AA+ 		2.12 1.12 1.08 1.08 Agencies
-- FFCB 1.33 $4,813,872 11/15/2019 Aaa /
AA+ 		6.40 5.15 1.75 1.75 Agencies
-- FNMA 1.29 $4,659,325 6/1/2017 Aaa /
AA+ 		5.02 0.00 1.19 1.19 Agencies
-- FHLMC REFERENCE NOTES 1.22 $4,394,112 7/15/2014 Aaa /
AA+ 		2.05 5.00 0.43 0.43 Agencies
-- FNMA 1.19 $4,285,007 9/20/2013 Aaa /
AA+ 		1.33 1.00 0.88 0.54 Agencies
-- FNMA BENCHMARK NOTES 1.13 $4,099,737 4/11/2016 Aaa /
AA+ 		3.74 2.38 0.77 0.77 Agencies
-- FHLB 1.12 $4,057,898 12/13/2013 Aaa /
AA+ 		1.51 4.88 0.38 0.38 Agencies
-- FHLMC REFER 1.12 $4,052,882 5/12/2017 Aaa /
AA+ 		4.83 1.25 1.05 1.05 Agencies
-- FNMA 1.11 $4,030,162 9/3/2013 Aaa /
AA+ 		1.29 1.05 0.47 0.47 Agencies
-- FHLMC 1.11 $4,016,840 11/2/2016 Aaa /
AA+ 		4.28 1.70 1.60 1.60 Agencies
-- FNMA 1.10 $3,994,988 8/23/2013 Aaa /
AA+ 		1.26 0.55 0.65 0.65 Agencies
-- FNMA 1.10 $3,991,652 4/30/2015 Aaa /
AA+ 		2.92 0.70 0.77 0.77 Agencies
-- FHLMC REFERENCE NOTES 1.00 $3,608,822 7/15/2032 Aaa /
AA+ 		12.87 6.25 3.15 3.15 Agencies
-- FHLB 0.96 $3,478,535 7/15/2036 Aaa /
AA+ 		14.61 5.50 3.51 3.51 Agencies
-- FNMA 0.92 $3,310,488 7/16/2013 Aaa /
AA+ 		1.15 1.30 1.19 0.53 Agencies
-- FHLB 0.91 $3,305,661 6/18/2014 Aaa /
AA+ 		1.97 5.25 0.36 0.36 Agencies
-- FHLMC 0.89 $3,235,285 1/30/2014 Aaa /
AA+ 		1.64 5.00 0.39 0.39 Agencies
-- FHLMC REFERENCE NOTES 0.89 $3,203,228 11/15/2013 Aaa /
AA+ 		1.46 4.88 0.35 0.35 Agencies
-- FNMA BENCHMARK NOTES 0.88 $3,180,752 11/15/2030 Aaa /
AA+ 		12.17 6.62 3.13 3.13 Agencies
-- FHLMC REFERENCE NOTES 0.85 $3,084,205 4/23/2014 Aaa /
AA+ 		1.90 2.50 0.35 0.35 Agencies
-- FEDERAL HOME LOAN BANK 0.77 $2,783,318 8/13/2014 Aaa /
AA+ 		2.12 5.50 0.42 0.42 Agencies
-- AID-ISRAEL 0.74 $2,685,846 9/18/2023 Aaa /
AA+ 		8.80 5.50 2.52 2.52 Agencies
-- FNMA 0.71 $2,550,099 11/15/2016 Aaa /
AA+ 		4.36 1.38 0.92 0.92 Agencies
-- FHLB 0.70 $2,534,140 12/13/2013 Aaa /
AA+ 		1.53 3.12 0.40 0.40 Agencies
-- FNMA BENCHMARK NOTES 0.70 $2,524,553 8/28/2014 Aaa /
AA+ 		2.26 0.88 0.44 0.44 Agencies
-- FHLMC REFER 0.69 $2,507,625 12/29/2014 Aaa /
AA+ 		2.59 0.62 0.50 0.50 Agencies
-- TVA 0.66 $2,380,038 4/1/2036 Aaa /
AA+ 		14.35 5.88 3.62 3.62 Agencies
-- FHLMC REFER 0.66 $2,372,556 1/13/2022 Aaa /
AA+ 		8.54 2.38 2.21 2.21 Agencies
-- FNMA BENCHMARK NOTES 0.64 $2,304,722 11/20/2014 Aaa /
AA+ 		2.42 2.62 0.49 0.49 Agencies
-- FINANCING CORP 0.63 $2,273,786 8/3/2018 Aaa /
AA+ 		4.91 10.35 1.60 1.60 Agencies
-- TENNESSEE VALLEY AUTHORITY 0.61 $2,218,942 9/15/2039 Aaa /
AA+ 		15.83 5.25 3.69 3.69 Agencies
-- FHLMC 0.61 $2,205,551 11/29/2019 Aaa /
AA+ 		7.43 0.00 3.02 3.02 Agencies
-- FNMA BENCHMARK NOTES 0.61 $2,200,443 7/15/2016 Aaa /
AA+ 		3.75 5.38 0.85 0.85 Agencies
-- FNMA BENCHMARK NOTES 0.58 $2,098,060 5/15/2030 Aaa /
AA+ 		11.76 7.25 3.09 3.09 Agencies
-- FHLMC REFERENCE NOTE 0.57 $2,074,993 5/27/2016 Aaa /
AA+ 		3.81 2.50 0.81 0.81 Agencies
-- FNMA BENCHMARK NOTES 0.56 $2,016,843 9/23/2013 Aaa /
AA+ 		1.35 1.00 0.38 0.38 Agencies
-- FHLMC REFERENCE NOTES 0.56 $2,016,002 10/28/2013 Aaa /
AA+ 		1.44 0.88 0.32 0.32 Agencies
-- FNMA BENCH 0.56 $2,012,481 12/19/2014 Aaa /
AA+ 		2.56 0.75 0.51 0.51 Agencies
-- FEDERAL NATIONAL MORTGAGE ASSOCIAT 0.55 $2,002,414 9/14/2015 Aaa /
AA+ 		3.26 1.05 1.01 1.01 Agencies
-- FHLMC 0.55 $1,998,861 10/18/2013 Aaa /
AA+ 		1.42 0.50 0.54 0.54 Agencies
-- FHLB 0.53 $1,933,643 12/12/2014 Aaa /
AA+ 		2.47 2.75 0.53 0.53 Agencies
-- FHLB 0.52 $1,896,087 9/13/2013 Aaa /
AA+ 		1.29 5.25 0.32 0.32 Agencies
-- FHLB 0.52 $1,865,614 12/11/2020 Aaa /
AA+ 		7.00 5.25 2.13 2.13 Agencies
-- FHLB 0.47 $1,709,717 8/15/2018 Aaa /
AA+ 		5.40 5.38 1.44 1.44 Agencies
-- PRIVATE EXPORT FUNDING CORPORATION 0.46 $1,663,813 11/15/2015 Aaa /
AA+ 		3.26 4.95 0.87 0.87 Agencies
-- FHLMC REFERENCE NOTES 0.44 $1,584,690 7/28/2014 Aaa /
AA+ 		2.13 3.00 0.42 0.42 Agencies
-- FNMA BENCHMARK NOTES 0.42 $1,522,562 6/12/2017 Aaa /
AA+ 		4.46 5.38 1.07 1.07 Agencies
-- TVA 0.40 $1,435,251 4/1/2018 Aaa /
AA+ 		5.23 4.50 1.30 1.30 Agencies
-- FHLMC REFERENCE NOTES 0.39 $1,407,030 6/13/2018 Aaa /
AA+ 		5.29 4.88 1.29 1.29 Agencies
-- FNMA 0.37 $1,346,369 4/18/2036 Aaa /
AA+ 		13.38 6.00 4.90 1.92 Agencies
-- FHLB 0.36 $1,311,064 6/12/2026 Aaa /
AA+ 		10.09 5.75 3.02 3.02 Agencies
-- TVA 0.34 $1,219,236 7/18/2017 Aaa /
AA+ 		4.55 5.50 1.13 1.13 Agencies
-- FHLMC REFERENCE NOTES 0.33 $1,182,696 10/18/2016 Aaa /
AA+ 		4.02 5.12 0.91 0.91 Agencies
-- FNMA BENCHMARK NOTES 0.29 $1,060,691 10/15/2013 Aaa /
AA+ 		1.38 4.62 0.33 0.33 Agencies
-- PRIVATE EXPORT FUNDING CORP 0.29 $1,046,560 5/15/2022 Aaa /
AA+ 		8.73 2.80 2.28 2.28 Agencies
-- FNMA 0.29 $1,038,420 5/1/2013 Aaa /
AA+ 		0.95 4.62 0.61 0.61 Agencies
-- FHLMC REFERENCE NOTES 0.28 $1,015,273 11/17/2015 Aaa /
AA+ 		3.21 4.75 0.65 0.65 Agencies
-- FHLB 0.28 $1,000,222 9/27/2013 Aaa /
AA+ 		1.35 0.70 0.69 0.69 Agencies
-- FNMA 0.27 $983,916 10/8/2013 Aaa /
AA+ 		1.39 1.12 0.32 0.32 Agencies
-- FNMA BENCHMARK NOTES 0.25 $902,327 6/27/2014 Aaa /
AA+ 		2.08 1.12 0.42 0.42 Agencies
-- FHLMC REFERENCE NOTES 0.23 $847,962 3/15/2031 Aaa /
AA+ 		12.19 6.75 3.13 3.13 Agencies
-- AID-ISRAEL 0.21 $772,619 4/26/2024 Aaa /
AA+ 		9.18 5.50 2.67 2.67 Agencies
-- FNMA 0.19 $703,446 8/6/2038 Aaa /
AA+ 		14.97 6.21 3.58 3.58 Agencies
-- TVA 0.19 $701,400 11/1/2025 Aaa /
AA+ 		9.70 6.75 2.80 2.80 Agencies
-- FNMA 0.19 $669,232 7/15/2037 Aaa /
AA+ 		15.07 5.62 3.32 3.32 Agencies
-- AID-ISRAEL 0.17 $629,688 12/4/2023 Aaa /
AA+ 		8.81 5.50 2.56 2.56 Agencies
-- FHLB 0.17 $600,160 5/15/2019 Aaa /
AA+ 		6.00 5.38 1.76 1.76 Agencies
-- TVA 0.16 $592,941 9/15/2060 Aaa /
AA+ 		19.50 4.62 3.84 3.84 Agencies
-- FHLB 0.14 $514,406 12/27/2013 Aaa /
AA+ 		1.60 0.88 0.34 0.34 Agencies
-- FNMA BENCHMARK NOTES 0.14 $502,629 1/15/2030 Aaa /
AA+ 		11.46 7.12 3.09 3.09 Agencies
-- GENERAL ELEC CAP CORP - (LT) GTD 0.12 $422,940 12/28/2012 Aaa /
AA+ 		0.61 2.62 0.33 0.33 Agencies
-- FHLB 0.12 $421,271 12/8/2017 Aaa /
AA+ 		5.07 3.12 1.36 1.36 Agencies
-- FHLB IL SUB 0.11 $393,358 6/13/2016 Aaa /
AA+ 		3.61 5.62 2.42 2.42 Agencies
-- FHLMC REFERENCE NOTES 0.10 $343,792 3/27/2019 Aaa /
AA+ 		6.11 3.75 1.51 1.51 Agencies
-- CITIBANK NA - (LT) GTD 0.08 $280,483 12/28/2012 Aaa /
AA+ 		0.61 1.75 0.31 0.31 Agencies
-- FHLMC REFERENCE NOTES 0.08 $280,050 2/25/2014 Aaa /
AA+ 		1.75 1.38 0.34 0.34 Agencies
-- FHLMC REFERENCE NOTES 0.07 $251,103 3/28/2013 Aaa /
AA+ 		0.87 0.75 0.24 0.24 Agencies
-- FHLMC 0.07 $249,916 4/28/2014 Aaa /
AA+ 		1.94 0.38 0.36 0.36 Agencies
-- FNMA BENCHMARK NOTES 0.05 $189,757 2/26/2013 Aaa /
AA+ 		0.78 0.75 0.24 0.24 Agencies
-- FHLMC 0.05 $173,929 12/27/2012 Aaa /
AA+ 		0.61 1.10 0.24 0.24 Agencies
-- FNMA BENCHMARK NOTES 0.05 $169,657 2/27/2014 Aaa /
AA+ 		1.76 1.25 0.35 0.35 Agencies
-- FNMA 0.03 $114,542 12/27/2012 Aaa /
AA+ 		0.61 1.00 0.24 0.24 Agencies
-- FNMA BENCHMARK NOTES 0.03 $107,560 5/7/2013 Aaa /
AA+ 		0.97 1.75 0.24 0.24 Agencies
-- FHLB 0.03 $107,533 6/8/2018 Aaa /
AA+ 		5.54 2.75 1.45 1.45 Agencies
-- FHLMC REFERENCE NOTES 0.03 $105,137 6/15/2012 Aaa /
AA+ 		0.08 1.75 0.19 0.19 Agencies
-- FHLMC 0.03 $99,948 10/17/2014 Aaa /
AA+ 		2.39 0.75 0.78 0.78 Agencies
-- FNMA BENCHMARK NOTES 0.03 $99,415 2/12/2013 Aaa /
AA+ 		0.73 3.62 0.27 0.27 Agencies
-- CITIGROUP FUNDING INC - (LT) GTD 0.02 $84,675 11/15/2012 Aaa /
AA+ 		0.50 1.88 0.27 0.27 Agencies
-- FHLMC REFERENCE NOTES 0.01 $25,316 4/15/2013 Aaa /
AA+ 		0.91 1.62 0.25 0.25 Agencies
-- FNMA BENCHMARK NOTES 0.00 $18,010 9/16/2014 Aaa /
AA+ 		2.26 3.00 0.45 0.45 Agencies
 

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.

© 2000-2012