Fund Portfolio for Vanguard Total Bond Market Index (VBMFX)

  • Style Box Details

    Details
    Average Eff Duration 4.27 Yrs
    Average Eff Maturity 6.6 Yrs
    Average Credit Quality AAA

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    Style Box Detail calculations do not include the fund´s short positions (if any)
    Data as of 09/30/2009

  • Asset Allocation


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  • Sector Weightings

    Bonds Relative to Category Average Net Assets
    US Government 35.74% 1.51 35.74%
    US Treasuries 25.09% 1.87 25.09%
    TIPS 0.15% 0.17 0.15%
    US Agency 10.50% 1.13 10.50%
    Mortgage 33.28% 1.21 33.28%
    Mortgage Pass-Thru 30.45% 1.71 30.45%
    Mortgage CMO 2.83% 0.29 2.83%
    Mortgage ARM 0.00% — 0.00%
    Credit 17.49% 0.54 17.49%
    US Corporate 16.70% 0.58 16.70%
    Asset-Backed 0.52% 0.18 0.52%
    Convertible 0.00% 0.00 0.00%
    Municipal 0.27% 0.39 0.27%
    Inflation Proof 0.00% — 0.00%
    Foreign 5.61% 0.78 5.61%
    Foreign Corp 4.29% 0.74 4.29%
    Foreign Govt 1.32% 0.94 1.32%
    Cash 5.71% 0.34 5.71%
    Data as of 09/30/2009

  • Bond Quality

    AAA 78.52%
    AA 3.67%
    A 9.72%
    BBB 8.09%
    BB 0.00%
    B 0.00%
    Below B 0.00%
    Not Rated 0.00%
    Data as of 09/30/2009

  • Top 25 Holdings

    Total Number of Stock Holdings (short): —
    Total Number of Stock Holdings (long): 0
    Total Number of Bond Holdings (short): —
    Total Number of Bond Holdings (long): 12,660
    Total Number of Other Holdings (short): —
    Total Number of Other Holdings (long): 139
    Assets in Top 10 Holdings: 11.98%
    Turnover: 61.00%
    30 Day SEC Yield % 3.33
    Summary data as of 07/31/2009
    Holdings Maturity Date Total Holdings Value of Holdings Net Assets
    + CMT Market Liquidity Rate — 2.19 B 2.19 B 3.58%
    = US Treasury Note 0.875% 02/28/2011 684 M 683.68 M 1.12%
    = US Treasury Note 11/30/2010 564 M 567.88 M 0.93%
    - US Treasury Note 10/31/2013 491.11 M 501.93 M 0.82%
    + US Treasury Note 09/30/2013 462.34 M 480.11 M 0.79%
    = US Treasury Note 4.375% 12/15/2010 450.98 M 473.1 M 0.77%
    = US Treasury Bond 8.75% 05/15/2017 315.79 M 432.44 M 0.71%
    * United States Treas Nts 1.5% 07/15/2012 401.58 M 400.51 M 0.66%
    + US Treasury Note 5.125% 06/30/2011 365.86 M 393.64 M 0.64%
    = US Treasury Note 1.75% 03/31/2014 402.78 M 391.32 M 0.64%
    = US Treasury Note 4.75% 08/15/2017 327.52 M 361.15 M 0.59%
    = US Treasury Bond 9.875% 11/15/2015 256.22 M 358.47 M 0.59%
    + US TREASURY NOTE 06/30/2011 350.45 M 350.78 M 0.57%
    = US TREASURY NOTE 10/31/2010 337.78 M 341.21 M 0.56%
    + US Treasury Note 04/15/2012 340.79 M 339.94 M 0.56%
    = US Treasury Note 4.75% 05/31/2012 310.58 M 338.35 M 0.55%
    = US Treasury Bond 8.75% 08/15/2020 230.02 M 330.44 M 0.54%
    - US Treasury Bond 6.75% 08/15/2026 238.4 M 311.42 M 0.51%
    + US Treasury Note 5.125% 05/15/2016 273.62 M 308.51 M 0.51%
    - US Treasury Note 4.25% 11/15/2017 274.99 M 292.95 M 0.48%
    = US Treasury Note 1.5% 12/31/2013 301.28 M 291.53 M 0.48%
    = US Treasury Bond 7.875% 02/15/2021 210.78 M 287.45 M 0.47%
    + US Treasury Bond 6.25% 08/15/2023 218.46 M 267.68 M 0.44%
    * FNMA 08/01/2038 264.88 M 266.2 M 0.44%
    + US Treasury Note 4.875% 04/30/2011 248.76 M 265.43 M 0.43%
    + Increase - Decrease = No change * New since last portfolio
    Top 25 holdings account for the fund's short positions (if any). Net short positions appear shaded.
    Data as of 10/31/2009