Data as of Oct 28, 2026.
CGGR vs MBB: Differences, Returns & Fees
Over the year to Oct 28, 2026, CGGR returned +2.6% to MBB's −0.8%; 0% of their weight is in the same names.
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Net assets: $25.9bn on Oct 27, 2026 for Capital Group Growth ETF, and $35.5bn on Oct 28, 2026 for iShares MBS ETF.
Pair scorecard
MBB costs 0.35 points a year less; their one-year returns differ by 3.4 points; MBB is 1.4 times larger.
| Measure | CGGR | MBB |
|---|---|---|
| Return | ||
| Total return, 1 year | +2.6% | −0.8% |
| Drawdown | ||
| Below its high | 3.4%, high on Oct 6, 2026 | |
| Benchmark | ||
| What it tracks | No index, actively managed | Bloomberg U.S. MBS Index |
| Cost and size | ||
| Expense ratio | 0.39% | 0.04% |
| Net assets, as of Oct 26, 2026 | $25.6bn | $35.6bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 78% | |
| Top ten holdings, share of the fund | 39.7% | |
Holdings in common uses holdings dated Aug 31, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, CGGR and MBB hold 0% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
CGGR and MBB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
CGGR
CGGR is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +2.6% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.39% a year. By its holdings filed for Aug 31, 2026, 78% of the fund by weight is stocks the S&P 500 also holds, across 96 positions, with the top ten at 39.7%. It sat 3.4% below its high of Oct 6, 2026 on Oct 28, 2026.
MBB
MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.
Questions people ask
- Which returned more over the last year, CGGR or MBB?
- In the year to Oct 28, 2026, with distributions reinvested, CGGR returned +2.6% and MBB −0.8%.
- Which is cheaper, CGGR or MBB?
- MBB is cheaper, by 0.35 percentage points a year. That is about $35 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, CGGR against MBB, data as of Oct 28, 2026. https://etfiq.com/compare/any/cggr-vs-mbb
ETFIQ. (Oct 28, 2026). CGGR against MBB. Retrieved from https://etfiq.com/compare/any/cggr-vs-mbb
[CGGR against MBB (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/cggr-vs-mbb)
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