Frequently Asked Questions About VMBS

What are the top holdings of VMBS?

Vanguard Mortgage-Backed Securities ETF holds 344 securities in total. The largest positions and their portfolio weights are listed on the Holdings tab.

How many holdings does VMBS have?

VMBS holds 344 positions as reported by the fund's most recent disclosure.

What sectors does VMBS invest in?

Vanguard Mortgage-Backed Securities ETF (VMBS) allocates across the sectors shown above. The largest exposure tops the list; the rest follow in descending weight order.

What sector is VMBS most exposed to?

VMBS's full sector breakdown is on the Sectors tab. The largest sector weight is shown there along with the rest of the allocation.

Is VMBS a US-only fund?

The country allocation card on this page shows VMBS's geographic exposure. Funds with > 95% US weight are effectively US-only; international or global funds will show meaningful weights across multiple countries.

What does VMBS invest in?

This ETF is designed to deliver a consistent and reasonable stream of current income for its investors. It primarily allocates its assets to pass-through debt instruments that are secured by U.S. mortgages and guaranteed by federal entities such as Ginnie Mae (GNMA), Fannie Mae (FNMA), and Freddie Mac (FHLMC). The fund exhibits an intermediate level of interest rate sensitivity, with the dollar-weighted average maturity of its holdings typically spanning between three and ten years.

VMBS

Vanguard Mortgage-Backed Securities ETF

NASDAQ·Asset Management, Bonds · Financial Services

$45.31$0.02−0.03%

Oct 27 10:43 AM EDT

Portfolio as of February 28, 2026, from the fund's SEC Form N-PORT filing. Funds disclose holdings quarterly, with a ~60-day publication delay. The fund filed 5,026 positions; the 1,000 largest by weight are shown. Sector breakdowns aren't part of this filing, so none is shown.

Top Holdings

1000

holdings

S000026865-0
Vanguard Cmt Funds-Vanguard Market Liquidity Fund
4.57%
21H050631
Ginnie Mae II Pool
0.44%
01F020638
Fannie Mae or Freddie Mac
0.43%
01F022634
Fannie Mae or Freddie Mac
0.34%
01F050635
Fannie Mae or Freddie Mac
0.32%
3618N6BE6
Ginnie Mae II Pool
0.29%
3132E0TL6
Freddie Mac Pool
0.29%
3618N5A33
Ginnie Mae II Pool
0.28%
3132DWBP7
Freddie Mac Pool
0.27%
01F052631
Fannie Mae or Freddie Mac
0.26%
Other
981 more holdings
66.33%

Top 10 holdings

7.49%

Top 25 holdings

10.35%

Concentration index

0.0051

Effective holdings

195

Chart tools

Open Top Holdings in Chart Builder to fine-tune colors, labels, and timeframe, then download a high-res PNG.

All Holdings (1000)

#	TickerHolding	Name	Weight	Shares	Market Value
1	S000026865-0S000026865-0Vanguard Cmt Funds-Vanguard Market Liquidity Fund	Vanguard Cmt Funds-Vanguard Market Liquidity Fund	4.57%	7.74M	$774.22M
2	21H05063121H050631Ginnie Mae II Pool	Ginnie Mae II Pool	0.44%	74.33M	$74.59M
3	01F02063801F020638Fannie Mae or Freddie Mac	Fannie Mae or Freddie Mac	0.43%	88.87M	$73.60M
4	01F02263401F022634Fannie Mae or Freddie Mac	Fannie Mae or Freddie Mac	0.34%	66.18M	$57.31M
5	01F05063501F050635Fannie Mae or Freddie Mac	Fannie Mae or Freddie Mac	0.32%	53.42M	$53.66M
6	3618N6BE63618N6BE6Ginnie Mae II Pool	Ginnie Mae II Pool	0.29%	49.08M	$49.31M
7	3132E0TL63132E0TL6Freddie Mac Pool	Freddie Mac Pool	0.29%	59.13M	$49.02M
8	3618N5A333618N5A33Ginnie Mae II Pool	Ginnie Mae II Pool	0.28%	46.45M	$46.67M
9	3132DWBP73132DWBP7Freddie Mac Pool	Freddie Mac Pool	0.27%	55.08M	$46.06M
10	01F05263101F052631Fannie Mae or Freddie Mac	Fannie Mae or Freddie Mac	0.26%	42.81M	$43.50M
11	3132DWA523132DWA52Freddie Mac Pool	Freddie Mac Pool	0.25%	49.72M	$41.60M
12	31418DYX431418DYX4Fannie Mae Pool	Fannie Mae Pool	0.24%	49.35M	$41.26M
13	36179XHY536179XHY5Ginnie Mae II Pool	Ginnie Mae II Pool	0.23%	39.51M	$39.39M
14	36179WDQ836179WDQ8Ginnie Mae II Pool	Ginnie Mae II Pool	0.23%	45.18M	$38.28M
15	3618N5VS53618N5VS5Ginnie Mae II Pool	Ginnie Mae II Pool	0.22%	37.11M	$37.94M
16	3132DWAF03132DWAF0Freddie Mac Pool	Freddie Mac Pool	0.22%	44.82M	$37.52M
17	01F04263201F042632Fannie Mae or Freddie Mac	Fannie Mae or Freddie Mac	0.22%	37.06M	$36.65M
18	36179V4U136179V4U1Ginnie Mae II Pool	Ginnie Mae II Pool	0.21%	42.80M	$36.29M
19	3132DWBB83132DWBB8Freddie Mac Pool	Freddie Mac Pool	0.21%	43.30M	$36.21M
20	36179WVT236179WVT2Ginnie Mae II Pool	Ginnie Mae II Pool	0.21%	41.56M	$35.22M

Showing 20 of 1,000

Sectors

sector

Cash & Others
100.00%

Top 3 sectors

100.00%

Top 5 sectors

100.00%

Concentration index

1.0000

Effective sectors

Chart tools

Open Sector Allocation in Chart Builder to fine-tune colors, labels, and timeframe, then download a high-res PNG.

Countries

Domicile

United States · 72.97%

Asset Classes

Primary asset class

Fixed income

Strategy

Thematic

Income strategy

Bond yield

Issuer-reported asset class: Government Bond

Frequently Asked Questions About VMBS

What are the top holdings of VMBS?: Vanguard Mortgage-Backed Securities ETF holds 344 securities in total. The largest positions and their portfolio weights are listed on the Holdings tab.
How many holdings does VMBS have?: VMBS holds 344 positions as reported by the fund's most recent disclosure.
What sectors does VMBS invest in?: Vanguard Mortgage-Backed Securities ETF (VMBS) allocates across the sectors shown above. The largest exposure tops the list; the rest follow in descending weight order.
What sector is VMBS most exposed to?: VMBS's full sector breakdown is on the Sectors tab. The largest sector weight is shown there along with the rest of the allocation.
Is VMBS a US-only fund?: The country allocation card on this page shows VMBS's geographic exposure. Funds with > 95% US weight are effectively US-only; international or global funds will show meaningful weights across multiple countries.
What does VMBS invest in?: This ETF is designed to deliver a consistent and reasonable stream of current income for its investors. It primarily allocates its assets to pass-through debt instruments that are secured by U.S. mortgages and guaranteed by federal entities such as Ginnie Mae (GNMA), Fannie Mae (FNMA), and Freddie Mac (FHLMC). The fund exhibits an intermediate level of interest rate sensitivity, with the dollar-weighted average maturity of its holdings typically spanning between three and ten years.

TickerHolding

Name

Weight

Market Value

S000026865-0S000026865-0Vanguard Cmt Funds-Vanguard Market Liquidity Fund

Vanguard Cmt Funds-Vanguard Market Liquidity Fund

4.57%

7.74M

$774.22M

21H05063121H050631Ginnie Mae II Pool

Ginnie Mae II Pool

0.44%

74.33M

$74.59M

01F02063801F020638Fannie Mae or Freddie Mac

Fannie Mae or Freddie Mac

0.43%

88.87M

$73.60M

01F02263401F022634Fannie Mae or Freddie Mac

Fannie Mae or Freddie Mac

0.34%

66.18M

$57.31M

01F05063501F050635Fannie Mae or Freddie Mac

Fannie Mae or Freddie Mac

0.32%

53.42M

$53.66M

3618N6BE63618N6BE6Ginnie Mae II Pool

Ginnie Mae II Pool

0.29%

49.08M

$49.31M

3132E0TL63132E0TL6Freddie Mac Pool

Freddie Mac Pool

0.29%

59.13M

$49.02M

3618N5A333618N5A33Ginnie Mae II Pool

Ginnie Mae II Pool

0.28%

46.45M

$46.67M

3132DWBP73132DWBP7Freddie Mac Pool

Freddie Mac Pool

0.27%

55.08M

$46.06M

01F05263101F052631Fannie Mae or Freddie Mac

Fannie Mae or Freddie Mac

0.26%

42.81M

$43.50M

3132DWA523132DWA52Freddie Mac Pool

Freddie Mac Pool

0.25%

49.72M

$41.60M

31418DYX431418DYX4Fannie Mae Pool

Fannie Mae Pool

0.24%

49.35M

$41.26M

36179XHY536179XHY5Ginnie Mae II Pool

Ginnie Mae II Pool

0.23%

39.51M

$39.39M

36179WDQ836179WDQ8Ginnie Mae II Pool

Ginnie Mae II Pool

0.23%

45.18M

$38.28M

3618N5VS53618N5VS5Ginnie Mae II Pool

Ginnie Mae II Pool

0.22%

37.11M

$37.94M

3132DWAF03132DWAF0Freddie Mac Pool

Freddie Mac Pool

0.22%

44.82M

$37.52M

01F04263201F042632Fannie Mae or Freddie Mac

Fannie Mae or Freddie Mac

0.22%

37.06M

$36.65M

36179V4U136179V4U1Ginnie Mae II Pool

Ginnie Mae II Pool

0.21%

42.80M

$36.29M

3132DWBB83132DWBB8Freddie Mac Pool

Freddie Mac Pool

0.21%

43.30M

$36.21M

36179WVT236179WVT2Ginnie Mae II Pool

Ginnie Mae II Pool

0.21%

41.56M

$35.22M