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VMBSX Top Holdings & Constituents

VMBSX, offered by Vanguard, holds 5026 reported positions across $17.3B in assets. Its largest holdings are Vanguard Cmt Funds-Vanguard Market Liquidity Fund (4.57%), Ginnie Mae II Pool (0.44%), and Fannie Mae or Freddie Mac (0.43%). The 5 biggest positions account for 6.10% of reported assets. The table below lists every reported holding with its portfolio weight and market value in US dollars — open any constituent to research its own performance.


PositionWeightMarket Value
Vanguard Cmt Funds-Vanguard Market Liquidity Fund
4.57%
$774.22M
Ginnie Mae II Pool
0.44%
$74.59M
Fannie Mae or Freddie Mac
0.43%
$73.60M
Fannie Mae or Freddie Mac
0.34%
$57.31M
Fannie Mae or Freddie Mac
0.32%
$53.66M

Holdings data comes from the latest SEC Form N-PORT-P filing for this fund, covering the reporting period ended Feb 28, 2026. Market values are reported in US dollars, and each weight represents the position's share of reported fund assets. Cash, derivatives, and rounding can mean displayed weights do not total 100%. Funds rebalance and file on a schedule, so this page may not reflect intraday or post-filing changes.