iShares Barclays MBS Bond  MBB
 Style Box Details
Average Eff Duration3.25 Yrs
Average Eff Maturity---
Average Credit QualityB
  
Investment Style History (as of 12-31)
Current
2012
2011
  
 
Data as of 03-31-13
 
  Asset Allocation 
% of Net Assets
Cash16.3
Stocks0.0
Bonds83.7
Other0.0
Foreign Stocks0.0
Data through 06-18-13
  Bond Quality (% of Bonds) 
AAA95.4 BB0.0
AA0.0 B0.0
A0.0 Below B0.0
BBB0.0 Not Rated4.6
Data through 03-31-13
Data through 06-18-13
 Top 25 Holdings
Total Number of Bond Holdings510 Annual Turnover %581
Total Number of Stock Holdings0 % Assets in Top 10 Holdings13.88
Top 25 HoldingsMaturity DateAmount $000Value $000% Net Assets
Fannie Mae Single Family TBA 3% 2043-07-012043-07-01183,392183,5932.57
GNMA 3%2043-06-20125,731128,0231.79
GNMA 3.5%2042-09-20107,538112,5251.58
FHLMC 3.5%2042-10-0178,30681,2241.14
Freddie Mac Gold Single Family TBA 2.5% 2028-07-012028-07-0178,08779,4041.11
FNMA 3%2043-01-0176,08576,3361.07
FNMA 3.5%2043-01-0172,99975,7051.06
Fed Natl Mort Assc 2.5%---72,14573,4411.03
Freddie Mac Gold Single Family TBA 3% 2043-07-012043-07-0169,67669,5460.98
FNMA 3.5%2043-05-0160,22962,3780.87
FNMA 4%2041-02-0156,40460,2950.85
GNMA 3.5%2043-04-2055,44158,0120.81
GNMA 3%2042-12-2053,14054,1310.76
Fannie Mae Single Family TBA 6% 2043-07-012043-07-0146,89651,2040.72
FNMA 4.5%2042-02-0146,36149,6930.70
FNMA 4.5%2041-09-0143,76347,5850.67
GNMA 4%2041-12-2043,48646,3530.65
Fannie Mae Single Family TBA 3.5% 2043-07-012043-07-0144,78446,2390.65
FNMA 2.5%2027-11-0144,28145,1840.63
FNMA 5%2041-05-0140,06644,1910.62
FNMA 3%2043-01-0141,56541,7020.58
FNMA 5.5%2040-09-0136,95240,8830.57
FNMA 3%2042-11-0138,77338,9000.55
FNMA 3.5%2042-10-0137,38938,6860.54
FHLMC 3.5%---37,50038,6600.54
Data as of 06-18-13
Data on this page does not include the fund′s short positions (if any).
Show Data Definitions
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