ETF · holdings as filed 2026-05-31
What's inside VMBS?
VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND
- Holdings
- 5,113
- positions in the fund
- Top 10
- 8%
- of fund assets
- Expense ratio
- 0.03%
- net, per year
- Fund size
- $17B
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | ? | —Vanguard Cmt Funds-Vanguard Market Liquidity Fund | 4.94% | |
| 2 | F  | FNCL 2 6.13FNCL 2 6/13 | 0.35% | |
| 3 | BOND | G2sf 5.5 7/11 | 0.35% | |
| 4 | BOND | Ginnie Mae mortgage pool#G2 MB0025 | 0.31% | |
| 5 | BOND | Ginnie Mae mortgage pool#G2 MB0871 | 0.30% | |
| 6 | BOND | Fannie Mae mortgage pool#FN CC2762 | 0.29% | |
| 7 | BOND | Ginnie Mae mortgage pool#G2 MB0936 | 0.28% | |
| 8 | BOND | Ginnie Mae mortgage pool#G2 MB0024 | 0.27% | |
| 9 | F  | FR SD4155FR SD4155 | 0.27% | |
| 10 | BOND | Freddie Mac mortgage pool#FR RQ0118 | 0.26% | |
| 11 | BOND | Freddie Mac mortgage pool#FR SD8146 | 0.25% | |
| 12 | F  | FNCL 3 6.11FNCL 3 6/11 | 0.24% | |
| 13 | BOND | Freddie Mac mortgage pool#FR RQ0094 | 0.24% | |
| 14 | BOND | Freddie Mac mortgage pool#FR RQ0056 | 0.23% | |
| 15 | BOND | Freddie Mac mortgage pool#FR SD8128 | 0.23% | |
| 16 | BOND | Fannie Mae mortgage pool#FN MA4325 | 0.22% | |
| 17 | BOND | Ginnie Mae mortgage pool#G2 MA8347 | 0.21% | |
| 18 | BOND | Ginnie Mae mortgage pool#G2 MA7311 | 0.21% | |
| 19 | BOND | Freddie Mac mortgage pool#FR SD8106 | 0.20% | |
| 20 | BOND | Ginnie Mae mortgage pool#G2 MB0624 | 0.20% |
Top holdings — United States
Your 10 largest positions in this country
1
F
FNCL 2 6.13FNCL 2 6/13
0.35%2
BOND
G2sf 5.5 7/11
0.35%3
BOND
Ginnie Mae mortgage pool#G2 MB0025
0.31%4
BOND
Ginnie Mae mortgage pool#G2 MB0871
0.30%5
BOND
Fannie Mae mortgage pool#FN CC2762
0.29%6
BOND
Ginnie Mae mortgage pool#G2 MB0936
0.28%7
BOND
Ginnie Mae mortgage pool#G2 MB0024
0.27%8
F
FR SD4155FR SD4155
0.27%9
BOND
Freddie Mac mortgage pool#FR RQ0118
0.26%10
BOND
Freddie Mac mortgage pool#FR SD8146
0.25%Geography reflects each issuer's registered business address per SEC EDGAR filings where available, falling back to the exchange or listing where no SEC filing exists — not necessarily where a company's stock is primarily listed (e.g. TSMC is classified as Taiwan even though its ADR trades on the NYSE).
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Data source: official SEC Form N-PORT filings (as of 2026-05-31); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.
Informational and educational only — not investment advice.