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CGMM vs VO: Differences, Returns & Fees

CGMM and VO hold 18% of their weight in the same names, and VO returned +12.4% over the year. Net assets: $3.5bn on Oct 19, 2026 for Capital Group U.S. Small and Mid Cap ETF, and $103.4bn on Sep 30, 2026 for Vanguard Morningstar Mid-Cap ETF.

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Ask IQ about CGMM and VO

Answers cite the figures on this page.

VO costs 0.48 points a year less; their one-year returns differ by 1.3 points; VO is far larger, $103.4bn against $3.4bn.

CGMM vs VO: Differences, Returns & Fees
CGMMVO
Expense ratio0.51%0.03%
Net assets, as of Sep 30, 2026$3.4bn$103.4bn
Total return, 1 year+11.1%+12.4%
What it tracksNo index, actively managedMorningstar US Mid Cap Index (formerly CRSP US Mid Cap Index)
Holdings in common18%
Top ten holdings, share of the fund18.7%9.7%
Below its high6.8%, high on Aug 13, 20263.8%, high on Aug 14, 2026

Holdings in common uses holdings dated May 31, 2026 and Sep 30, 2026.

+11.1%
CGMM total return, 1 year
+12.4%
VO total return, 1 year
0.51%
CGMM expense ratio
0.03%
VO expense ratio

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What they hold in common

By the books each fund has filed, CGMM and VO hold 18% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Sep 30, 2026.

half

18% in common

Positions both hold, largest shared weight first
Holding CGMM VO
Cloudflare Inc 0.92% 1.11%
Hewlett Packard Enterprise Co 1.59% 0.79%
Bloom Energy Corp 2.56% 0.77%
Hilton Worldwide Holdings Inc 0.86% 0.71%
DoorDash Inc 1.53% 0.70%
SLB Ltd 0.68% 0.71%
General Motors Co 0.87% 0.67%
United Rentals Inc 0.86% 0.61%
Keysight Technologies Inc 1.41% 0.61%
Simon Property Group Inc 1.23% 0.61%
Arthur J Gallagher & Co 0.71% 0.58%
Comfort Systems USA Inc 1.79% 0.57%
Only in CGMM
Capital Group Central Cash Fund 2.20%
RenaissanceRe Holdings Ltd 1.84%
WEX Inc 1.77%
US Foods Holding Corp 1.56%
LKQ Corp 1.54%
Ingram Micro Holding Corp 1.43%
Vail Resorts Inc 1.39%
Monster Beverage Corp 1.34%
Only in VO
Valero Energy Corp 1.10%
Marathon Petroleum Corp 1.10%
Phillips 66 1.01%
Quanta Services Inc 0.95%
Vertiv Holdings Co 0.92%
Datadog Inc 0.91%
Howmet Aerospace Inc 0.89%
Robinhood Markets Inc 0.88%

Check overlap with more funds →

On the same fields

CGMM
Capital Group U.S. Small and Mid Cap ETF
VO
Vanguard Morningstar Mid-Cap ETF
Where it sits Stock ETF Stock ETF
Issuer Capital Group Vanguard
What it is Actively managed Tracks an index of Mid-Cap
Total return, 1 year +11.1% +12.4%
Its benchmark over the same days +15.0% (IWV) not measured
Gap to its benchmark −4.0 pts vs IWV not measured
Expense ratio 0.51% 0.03%
Already in the S&P 500 45.4% 91.1%
Holdings 114 273
Net assets, CGMM as of Oct 19, 2026 and VO as of Sep 30, 2026 $3.5bn $103.4bn

CGMM and VO on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.

About CGMM

CGMM is actively managed and tracks no index. The prospectus expense ratio is 0.51% a year. By its holdings filed for May 31, 2026, 45% of the fund by weight is stocks the S&P 500 also holds, across 114 positions, with the top ten at 18.7%. It sat 6.8% below its high of Aug 13, 2026 on Oct 20, 2026.

Over the year to Oct 20, 2026 it returned +11.1% with distributions reinvested, against +15.0% for its benchmark, the Russell 3000 Index.

About VO

VO tracks an index of Mid-Cap. Over the year to Oct 20, 2026 it returned +12.4% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 273 positions, with the top ten at 9.7%. It sat 3.8% below its high of Aug 14, 2026 on Oct 20, 2026.

Questions people ask

Which returned more over the last year, CGMM or VO?
In the year to Oct 20, 2026, with distributions reinvested, CGMM returned +11.1% and VO +12.4%.
Which is cheaper, CGMM or VO?
VO is cheaper, by 0.48 percentage points a year. That is about $48 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do CGMM and VO overlap with the S&P 500?
By their latest filed holdings, 45% of CGMM and 91% of VO by weight is stocks the S&P 500 already holds.
Other comparisons
CGMM vs IJHCGMM vs IWRCGMM vs VXFCGMM vs MDYIVOO vs VOTMSL vs VOIMCG vs VOJMEE vs VO
CGMM on its own →VO on its own →Hold both: look the portfolio through →Rankings →CGMM dividend history →CGMM holdings →VO dividend history →VO holdings →Standards and sources →
Where these figures came from
CGMM filings on SEC EDGAR ↗CGMM prospectus with the expense ratio (SEC) ↗Capital Group page for CGMM ↗VO filings on SEC EDGAR ↗VO prospectus with the expense ratio (SEC) ↗Vanguard page for VO ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. 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.

Cite this pageCitation, APA and Markdown

ETFIQ, CGMM against VO, data as of Oct 20, 2026. https://etfiq.com/compare/any/cgmm-vs-vo

Open data

Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.