CGMMvsSIZEETF Comparison
VS
Capital Group U.S. Small and Mid Cap ETF (CGMM) belongs to the US Multi-Factor segment. iShares MSCI USA Size Factor ETF (SIZE) is part of the US Large Cap segment. CGMM's top 3 sector exposures are Finance, Industrials and Technology. In contrast, SIZE's top sector exposures are Finance, Technology and Industrials. CGMM is more expensive with a Total Expense Ratio (TER) of 0.51%, versus 0.15% for SIZE. CGMM is up 9.29% year-to-date (YTD) with +$2.16B in YTD flows. SIZE performs better with 10.3% YTD performance, and -$556K in YTD flows. Run a side-by-side ETF comparison of CGMM and SIZE below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
CGMM vs SIZE 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 SIZE | -4.93%-3.68% | -2.49%+1.09% | +9.29%+10.30% | +10.05%+11.38% | n/a+52.56% | n/a+47.47% |
| Flows | CGMM SIZE | +$189M- | +$576M- | +$2.16B-$556K | +$2.59B+$16M | --$15M | --$271M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CGMM SIZE | +12.25%+10.10% | +15.68%+12.29% | n/a+14.57% | n/a+17.10% |
| Max drawdown | CGMM SIZE | -6.74%-5.36% | -10.10%-7.92% | n/a-18.57% | n/a-24.05% |
| Max drawdown duration | CGMM SIZE | 33d36d | 49d49d | n/a219d | n/a820d |
Trading data
CGMM | SIZE | |
Last sale 9/18/2026 at 1:30 PM | $31.44 | $176.36 |
| Previous close 09/17/2026 | $31.62 | $177.41 |
| 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
Create an account to view replication metrics
Join for free
CGMM
is actively managed and doesn’t replicate an indexCGMM | SIZE | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 9/18/2026 at 1:30 PM
Live
Closed
CGMM | SIZE | |
|---|---|---|
| Last price | $31.44 | $176.36 |
| 1D performance | -0.57% | -0.59% |
| AuM | $3.40 B | $423.66 M |
| E/R | 0.51% | 0.15% |
Characteristics
CGMM | SIZE | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Capital Group | iShares |
| Benchmark | - | MSCI USA Low Size Index |
| N° of holdings | 116 | 525 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 14, 2025 | April 16, 2013 |
| ESG | No | No |
Advertisement
Exposure
Countries
CGMM
USA
94.53%
Other
5.47%
SIZE
USA
94.33%
Other
5.67%
Sectors
CGMM
Finance
24.99%
Industrials
15.15%
Technology
14.12%
Healthcare
11.13%
Consumer Services
9.9%
Other
24.71%
SIZE
Finance
21.9%
Technology
16.31%
Industrials
13.66%
Healthcare
11.31%
Consumer Non-Cycl.
7.29%
Other
29.52%
Advertisement
Diversification
CGMM
Total weight of top 15 holdings out of 15
27.78%
SIZE
Total weight of top 15 holdings out of 15
4.16%
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%
SIZE
Snowflake, Inc.
0.32%
Okta, Inc.
0.31%
SharkNinja, Inc.
0.30%
Dell Technologies, Inc.
0.30%
Best Buy Co., Inc.
0.28%
International Paper Co.
0.28%
Illumina, Inc.
0.27%
Toast, Inc.
0.27%
NetApp, Inc.
0.27%
Dollar Tree, Inc.
0.27%
CDW Corp.
0.27%
Hewlett Packard Enterprise Co.
0.26%
Genuine Parts Co.
0.26%
United Airlines Holdings, Inc.
0.25%
Williams-Sonoma, Inc.
0.25%
Frequently asked questions about CGMM and SIZE
How have the CGMM and SIZE ETFs performed in 2026?
As of September 18, 2026, CGMM is up 9.29% year-to-date (YTD), while SIZE has returned 10.3%. That puts SIZE better performer ahead so far this year.
Which ETF is attracting more investor money: CGMM or SIZE?
Year-to-date, the CGMM ETF saw +$2.16B in flows, compared to -$556K for SIZE.
Which ETF is more volatile: CGMM or SIZE?
Over the past year, CGMM had a volatility of 15.68%, while SIZE experienced 12.29%.
Which ETF is bigger: CGMM or SIZE?
As of September 18, 2026, CGMM holds $3.40 B in assets under management (AUM), while SIZE manages $423.66 M.
What sectors do the CGMM and SIZE ETFs invest in?
CGMM leans toward sectors like Finance, Industrials and Technology. Meanwhile, SIZE focuses on Finance, Technology and Industrials.
What are the top holdings of the CGMM ETF and SIZE ETF?
CGMM top holdings include Capital Group Central Cash Fund, RenaissanceRe Holdings Ltd. and DoorDash, Inc.. SIZE holds in its top three: Snowflake, Inc., Okta, Inc. and SharkNinja, Inc..
Which ETF is more diversified: CGMM or SIZE?
CGMM holds 116 securities with 27.78% of its assets in the top 15. SIZE has 529 securities and a top 15 weight of 4.16%.
Advertisement
Latest news about CGMM & SIZE
Notable ETF Filings and Launches Recap: January 2025
January 30, 2025
CGMM
ETFs for contrarian investors
December 21, 2022
SIZE
Advertisement
Advertisement
