Vanguard Mortgage-Backed Securities ETF holds 5,123 positions and $17.0B in net assets as of May 31, 2026. The largest: Fannie Mae Pool 37.6%, Freddie Mac Pool 32.2%, Ginnie Mae II Pool 24.1%, Vanguard Cmt Funds-Vanguard Market Liquidity Fund 5.1%, Freddie Mac Gold Pool 2.1%.

What is the expense ratio of VMBS?

VMBS costs 0.03% a year, from its prospectus.

VMBSVanguard Mortgage-Backed Securities ETF

ETF · Vanguard Scottsdale Funds

$45.22close Nov 11, 2026

The fund

Holdings as of May 31, 2026, filed with the SEC.

$17.0B

net assets, all share classes

0.03%

yearly cost, from the prospectus

5,123

positions on file

Growth of $100

Total return with dividends reinvested, month by month since September 2019.

$100$107

20192026

+6.8%

last 12 months

+4.5%

a year, over 3 years

+0.5%

a year, over 5 years

Largest holdings

The top 8 issuers of 5,123 positions, by share of the fund.

Fannie Mae PoolMortgage-backed: 37.6%
Freddie Mac PoolMortgage-backed: 32.2%
Ginnie Mae II PoolMortgage-backed: 24.1%
Vanguard Cmt Funds-Vanguard Market Liquidity FundCash and short-term: 5.1%
Freddie Mac Gold PoolMortgage-backed: 2.1%
Fannie Mae or Freddie MacMortgage-backed: 1.4%
Ginnie Mae I PoolMortgage-backed: 0.2%
Freddie Mac Non Gold PoolMortgage-backed: 0.0%

Countries

Where the holdings are, by share of the fund.

United States104.4%

What it holds

By kind of asset.

Mortgage-backed99.3%
Cash and short-term5.1%

From the fund’s Form N-PORT for May 2026 (filed Jul 29, 2026) and its prospectus, via the SEC’s public data sets. Shares of net assets can sum above 100% where a fund holds cash collateral or derivatives.