Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MBB vs VDE: how they differ
MBB and VDE hold 0% of their weight in the same names, and VDE returned more over the year.
iShares MBS ETF and Vanguard Energy Index Fund.
What they hold in common
By the books each fund has filed, MBB and VDE hold 0% of their money in the same securities at the same weight.
| Only in MBB | Only in VDE |
|---|---|
| Freddie Mac 1.07% | Exxon Mobil Corp 21.37% |
| Government National Mortgage Association 0.97% | Chevron Corp 14.53% |
| UMBS, TBA 0.85% | ConocoPhillips 5.79% |
| Government National Mortgage Association 0.69% | Williams Cos Inc/The 3.65% |
| UMBS, TBA 0.66% | SLB Ltd 3.49% |
| Government National Mortgage Association 0.56% | Marathon Petroleum Corp 3.29% |
| Government National Mortgage Association 0.55% | Valero Energy Corp 3.19% |
| Government National Mortgage Association 0.54% | EOG Resources Inc 3.06% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026.
| MBB iShares MBS ETF | VDE Vanguard Energy Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Mbs | Energy |
| Total return, 1 year | −0.1% | +50.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.6 pts | +33.1 pts |
| Expense ratio | 0.04% | 0.09% |
| Holdings | 11144 | 105 |
MBB in plain words
MBB is a bond fund tracking the Mbs. Over the year to Sep 11, 2026 it returned −0.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% a year. It sat 3.3% below its high of Feb 27, 2026 on Sep 11, 2026.
VDE in plain words
VDE is an index equity fund tracking the Energy. Over the year to Sep 11, 2026 it returned +50.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for May 31, 2026, 82% of the fund by weight is stocks the S&P 500 also holds, across 105 positions, with the top ten at 64.0%.
Questions people ask
- Which returned more over the last year, MBB or VDE?
- In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and VDE returned +50.6%, so VDE returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MBB or VDE?
- MBB charges 0.04% a year and VDE charges 0.09%, so MBB is cheaper. Fees come from each fund's prospectus.
Other comparisons
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, MBB against VDE, data as of Sep 12, 2026. https://etfiq.com/compare/any/MBB-VDE Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources