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VFMO vs VO: Differences, Returns & Fees

VFMO and VO hold 15% of their weight in the same names, and VFMO returned +13.2% over the year. Net assets on Sep 30, 2026: $1.9bn for Vanguard U.S. Momentum Factor ETF and $103.4bn for Vanguard Morningstar Mid-Cap ETF.

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Answers cite the figures on this page.

VO costs 0.10 points a year less; their one-year returns differ by 0.8 points; VO is far larger, $103.4bn against $1.9bn.

VFMO vs VO: Differences, Returns & Fees
VFMOVO
Expense ratio0.13%0.03%
Net assets, as of Sep 30, 2026$1.9bn$103.4bn
Total return, 1 year+13.2%+12.4%
What it tracksNo index, actively managedMorningstar US Mid Cap Index (formerly CRSP US Mid Cap Index)
Holdings in common15%
Top ten holdings, share of the fund9.5%9.7%
Below its high11.5%, high on Jun 30, 20263.8%, high on Aug 14, 2026

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

+13.2%
VFMO total return, 1 year
+12.4%
VO total return, 1 year
0.13%
VFMO expense ratio
0.03%
VO expense ratio

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What they hold in common

By the books each fund has filed, VFMO and VO hold 15% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Sep 30, 2026.

half

15% in common

Positions both hold, largest shared weight first
Holding VFMO VO
Vertiv Holdings Co 0.76% 0.92%
Howmet Aerospace Inc 0.71% 0.89%
Marathon Petroleum Corp 0.71% 1.10%
General Motors Co 0.67% 0.67%
Phillips 66 0.64% 1.01%
Quanta Services Inc 0.63% 0.95%
Newmont Corp 0.62% 0.60%
Cummins Inc 0.49% 0.70%
SLB Ltd 0.45% 0.71%
Johnson Controls International plc 0.41% 0.45%
Ross Stores Inc 0.35% 0.74%
Rocket Lab Corp 0.34% 0.41%
Only in VFMO
Micron Technology Inc 1.36%
Intel Corp 1.25%
Advanced Micro Devices Inc 1.12%
Western Digital Corp 0.89%
Alphabet Inc 0.87%
KLA Corp 0.86%
Applied Materials Inc 0.82%
Lam Research Corp 0.82%
Only in VO
Datadog Inc 0.91%
Robinhood Markets Inc 0.88%
Constellation Energy Corp 0.84%
Hewlett Packard Enterprise Co 0.79%
Motorola Solutions Inc 0.73%
Warner Bros Discovery Inc 0.73%
DoorDash Inc 0.70%
Target Corp 0.70%

Check overlap with more funds →

On the same fields

VFMO
Vanguard U.S. Momentum Factor ETF
VO
Vanguard Morningstar Mid-Cap ETF
Where it sits Stock ETF Stock ETF
Issuer Vanguard Vanguard
What it is Actively managed Tracks an index of Mid-Cap
Total return, 1 year +13.2% +12.4%
Its benchmark over the same days +15.0% (IWV) not measured
Gap to its benchmark −1.9 pts vs IWV not measured
Expense ratio 0.13% 0.03%
Already in the S&P 500 43.4% 91.1%
Holdings 704 273
Net assets, as of Sep 30, 2026 $1.9bn $103.4bn

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

About VFMO

VFMO is actively managed and tracks no index. The prospectus expense ratio is 0.13% a year. By its holdings filed for May 31, 2026, 43% of the fund by weight is stocks the S&P 500 also holds, across 704 positions, with the top ten at 9.5%. It sat 11.5% below its high of Jun 30, 2026 on Oct 20, 2026.

Over the year to Oct 20, 2026 it returned +13.2% 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, VFMO or VO?
In the year to Oct 20, 2026, with distributions reinvested, VFMO returned +13.2% and VO +12.4%.
Which is cheaper, VFMO or VO?
VO is cheaper, by 0.10 percentage points a year. That is about $10 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do VFMO and VO overlap with the S&P 500?
By their latest filed holdings, 43% of VFMO and 91% of VO by weight is stocks the S&P 500 already holds.
Other comparisons
IJH vs VFMOIWR vs VFMOFLQM vs VFMOFTC vs VFMOIMCB vs VOIVOG vs VOCOWG vs VOFLQM vs VO
VFMO on its own →VO on its own →Hold both: look the portfolio through →Rankings →VFMO dividend history →VFMO holdings →VO dividend history →VO holdings →Standards and sources →
Where these figures came from
VFMO filings on SEC EDGAR ↗VFMO prospectus with the expense ratio (SEC) ↗Vanguard page for VFMO ↗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, VFMO against VO, data as of Oct 20, 2026. https://etfiq.com/compare/any/vfmo-vs-vo

Open data

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