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IVOO vs VFMO: Differences, Returns & Fees

IVOO and VFMO hold 16% of their weight in the same names. Net assets on Sep 30, 2026: $3.7bn for Vanguard S&P Mid-Cap 400 ETF and $1.9bn for Vanguard U.S. Momentum Factor ETF.

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Answers cite the figures on this page.

IVOO costs 0.06 points a year less; their one-year returns differ by 0.4 points; IVOO is 1.9 times larger.

IVOO vs VFMO: Differences, Returns & Fees
IVOOVFMO
Expense ratio0.07%0.13%
Net assets, as of Sep 30, 2026$3.7bn$1.9bn
Total return, 1 year+13.6%+13.2%
What it tracksS&P MidCap 400 IndexNo index, actively managed
Holdings in common16%
Top ten holdings, share of the fund7.8%9.5%
Below its high6.7%, high on Aug 14, 202611.5%, high on Jun 30, 2026

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

+13.6%
IVOO total return, 1 year
+13.2%
VFMO total return, 1 year
0.07%
IVOO expense ratio
0.13%
VFMO expense ratio

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What they hold in common

By the books each fund has filed, IVOO and VFMO hold 16% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Sep 30, 2026.

half

16% in common

Positions both hold, largest shared weight first
Holding IVOO VFMO
Sterling Infrastructure Inc 0.44% 0.41%
SiTime Corp 0.44% 0.34%
Sanmina Corp 0.34% 0.33%
Roivant Sciences Ltd 0.58% 0.30%
Nextpower Inc 0.35% 0.28%
Arrowhead Pharmaceuticals Inc 0.27% 0.28%
TTM Technologies Inc 0.38% 0.26%
XPO Inc 0.60% 0.26%
HF Sinclair Corp 0.49% 0.26%
Jazz Pharmaceuticals PLC 0.44% 0.25%
MACOM Technology Solutions Holdings Inc 0.58% 0.25%
DigitalOcean Holdings Inc 0.38% 0.24%
Only in IVOO
Twilio Inc 1.32%
Okta Inc 1.02%
Roku Inc 0.59%
US Foods Holding Corp 0.58%
Reliance Inc 0.58%
Nutanix Inc 0.56%
East West Bancorp Inc 0.50%
Burlington Stores Inc 0.49%
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%

Check overlap with more funds →

On the same fields

IVOO
Vanguard S&P Mid-Cap 400 ETF
VFMO
Vanguard U.S. Momentum Factor ETF
Where it sits Stock ETF Stock ETF
Issuer Vanguard Vanguard
What it is Tracks an index Actively managed
Total return, 1 year +13.6% +13.2%
Its benchmark over the same days +13.4% (IJH) +15.0% (IWV)
Gap to its benchmark +0.1 pts vs IJH −1.9 pts vs IWV
Expense ratio 0.07% 0.13%
Already in the S&P 500 1.6% 43.4%
Holdings 402 704
Net assets, as of Sep 30, 2026 $3.7bn $1.9bn

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

About IVOO

IVOO tracks an index. Over the year to Oct 20, 2026 it returned +13.6% with distributions reinvested, against +13.4% for its benchmark, the S&P MidCap 400 Index. The prospectus expense ratio is 0.07% a year. By its holdings published by its issuer as of Sep 30, 2026, 2% of the fund by weight is stocks the S&P 500 also holds, across 402 positions, with the top ten at 7.8%. It sat 6.7% below its high of Aug 14, 2026 on Oct 20, 2026.

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.

Questions people ask

Which returned more over the last year, IVOO or VFMO?
In the year to Oct 20, 2026, with distributions reinvested, IVOO returned +13.6% and VFMO +13.2%.
Which is cheaper, IVOO or VFMO?
IVOO is cheaper, by 0.06 percentage points a year. That is about $6 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IVOO and VFMO overlap with the S&P 500?
By their latest filed holdings, 2% of IVOO and 43% of VFMO by weight is stocks the S&P 500 already holds.
Other comparisons
IMCB vs IVOOIVOO vs SPGPCOWG vs IVOOFLQM vs IVOOCGMM vs VFMOJMEE vs VFMOMDYG vs VFMOPRFZ vs VFMO
IVOO on its own →VFMO on its own →Hold both: look the portfolio through →Rankings →IVOO dividend history →IVOO holdings →VFMO dividend history →VFMO holdings →Standards and sources →
Where these figures came from
IVOO filings on SEC EDGAR ↗IVOO prospectus with the expense ratio (SEC) ↗Vanguard page for IVOO ↗VFMO filings on SEC EDGAR ↗VFMO prospectus with the expense ratio (SEC) ↗Vanguard page for VFMO ↗

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, IVOO against VFMO, data as of Oct 20, 2026. https://etfiq.com/compare/any/ivoo-vs-vfmo

Open data

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