CGMMvsBBMCETF Comparison
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Capital Group U.S. Small and Mid Cap ETF (CGMM) belongs to the US Multi-Factor segment. JPMorgan BetaBuilders U.S. Mid Cap Equity ETF (BBMC) is part of the US Mid Cap segment. Both ETFs have the same top 3 sector exposures: Finance, Industrials and Technology. CGMM is more expensive with a Total Expense Ratio (TER) of 0.51%, versus 0.07% for BBMC. CGMM is up 9.29% year-to-date (YTD) with +$2.16B in YTD flows. BBMC performs better with 15.54% YTD performance, and -$41M in YTD flows. Run a side-by-side ETF comparison of CGMM and BBMC below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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CGMM vs BBMC performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CGMM BBMC | -4.93%-4.02% | -2.49%-2.14% | +9.29%+15.54% | +10.05%+16.85% | n/a+64.33% | n/a+47.93% |
| Flows | CGMM BBMC | +$189M+$21M | +$576M-$300M | +$2.16B-$41M | +$2.59B-$224M | --$282M | --$270M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CGMM BBMC | +12.25%+12.16% | +15.68%+16.52% | n/a+18.73% | n/a+20.70% |
| Max drawdown | CGMM BBMC | -6.74%-5.89% | -10.10%-9.60% | n/a-24.17% | n/a-30.03% |
| Max drawdown duration | CGMM BBMC | 33d33d | 49d46d | n/a275d | n/a1045d |
Trading data
CGMM | BBMC | |
Last sale 9/18/2026 at 1:30 PM | $31.44 | |
| Previous close 09/17/2026 | $31.62 | |
| Consolidated volume 09/17/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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CGMM
is actively managed and doesn’t replicate an indexCGMM | BBMC | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/18/2026 at 1:30 PM
Live
Closed
CGMM | BBMC | |
|---|---|---|
| Last price | $31.44 | – |
| 1D performance | -0.57% | – |
| AuM | $3.40 B | $2.04 B |
| E/R | 0.51% | 0.07% |
Characteristics
CGMM | BBMC | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Capital Group | J.P. Morgan Asset Management |
| Benchmark | - | Morningstar US Mid Cap Target Market Exposure Extended Index |
| N° of holdings | 116 | 456 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 14, 2025 | April 14, 2020 |
| ESG | No | No |
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Exposure
Countries
CGMM
USA
94.53%
Other
5.47%
BBMC
USA
95.88%
Other
4.12%
Sectors
CGMM
Finance
24.99%
Industrials
15.15%
Technology
14.12%
Healthcare
11.13%
Consumer Services
9.9%
Other
24.71%
BBMC
Finance
20.9%
Industrials
17.33%
Technology
13.24%
Healthcare
12.92%
Non-Energy Materi.
10.02%
Consumer Cyclical.
7.27%
Other
18.31%
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Diversification
CGMM
Total weight of top 15 holdings out of 15
27.78%
BBMC
Total weight of top 15 holdings out of 15
9.06%
Top 15 holdings
Data as of July 31, 2026
CGMM
Capital Group Central Cash Fund
3.93%
RenaissanceRe Holdings Ltd.
2.09%
DoorDash, Inc.
2.04%
WEX, Inc.
2.03%
Exelon Corp.
1.90%
Brown & Brown, Inc.
1.89%
US Foods Holding Corp.
1.84%
Bloom Energy Corp.
1.76%
NIKE, Inc.
1.70%
Comfort Systems USA, Inc.
1.53%
Block, Inc.
1.51%
Cerebras Systems, Inc.
1.49%
Vail Resorts, Inc.
1.39%
Ingram Micro Holding Corp.
1.35%
Simon Property Group, Inc.
1.33%
BBMC
Natera, Inc.
0.76%
Revolution Medicines, Inc.
0.75%
Casey's General Stores, Inc.
0.68%
Tapestry, Inc.
0.64%
Carpenter Technology Corp.
0.62%
TechnipFMC plc
0.61%
Qnity Electronics, Inc.
0.60%
Williams-Sonoma, Inc.
0.60%
Curtiss-Wright Corp.
0.59%
ATI, Inc.
0.56%
Reddit, Inc.
0.54%
Woodward, Inc.
0.54%
XPO, Inc.
0.53%
nVent Electric Plc
0.52%
Okta, Inc.
0.50%
Frequently asked questions about CGMM and BBMC
How have the CGMM and BBMC ETFs performed in 2026?
As of September 18, 2026, CGMM is up 9.29% year-to-date (YTD), while BBMC has returned 15.54%. That puts BBMC better performer ahead so far this year.
Which ETF is attracting more investor money: CGMM or BBMC?
Year-to-date, the CGMM ETF saw +$2.16B in flows, compared to -$41M for BBMC.
Which ETF is more volatile: CGMM or BBMC?
Over the past year, CGMM had a volatility of 15.68%, while BBMC experienced 16.52%.
Which ETF is bigger: CGMM or BBMC?
As of September 18, 2026, CGMM holds $3.40 B in assets under management (AUM), while BBMC manages $2.04 B.
What sectors do the CGMM and BBMC ETFs invest in?
CGMM leans toward sectors like Finance, Industrials and Technology. Meanwhile, BBMC focuses on Finance, Industrials and Technology.
What are the top holdings of the CGMM ETF and BBMC ETF?
CGMM top holdings include Capital Group Central Cash Fund, RenaissanceRe Holdings Ltd. and DoorDash, Inc.. BBMC holds in its top three: Natera, Inc., Revolution Medicines, Inc. and Casey's General Stores, Inc..
Which ETF is more diversified: CGMM or BBMC?
CGMM holds 116 securities with 27.78% of its assets in the top 15. BBMC has 462 securities and a top 15 weight of 9.06%.
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