VOvsIVOOETF Comparison
VS
Vanguard Mid-Cap ETF (VO) and Vanguard S&P Mid-Cap 400 ETF (IVOO) belong to the same industry segment: US Mid Cap. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Financials. VO is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.07% for IVOO. VO is down -0.06% year-to-date (YTD) with +$2.51B in YTD flows. IVOO performs better with 3.37% YTD performance, and +$102M in YTD flows. Run a side-by-side ETF comparison of VO and IVOO 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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VO vs IVOO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | VO IVOO | -5.25%-5.38% | -0.93%+1.99% | -0.06%+3.37% | +13.03%+17.61% | +43.89%+41.73% | +38.88%+38.27% |
| Flows | VO IVOO | +$1.03B+$40M | +$2.51B+$102M | +$2.51B+$102M | +$10.24B+$369M | +$19.87B+$978M | +$29.42B+$1.25B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | VO IVOO | +14.96%+17.95% | +17.71%+21.02% | +14.80%+17.90% | +17.57%+19.57% |
| Max drawdown | VO IVOO | -8.12%-8.82% | -12.77%-14.10% | -18.93%-24.02% | -27.54%-24.02% |
| Max drawdown duration | VO IVOO | 34d38d | 35d37d | 211d379d | 972d379d |
Trading data
VO | IVOO | |
Last sale 4/2/2026 at 1:30 PM | $289.96 | $115.36 |
| Previous close 04/01/2026 | $289.00 | $115.23 |
| Consolidated volume 04/01/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 2026
1-year trailing difference
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VO | IVOO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 4/2/2026 at 1:30 PM
Live
Closed
VO | IVOO | |
|---|---|---|
| Last price | $289.96 | $115.36 |
| 1D performance | +0.33% | +0.11% |
| AuM | $92.77 B | $3.18 B |
| E/R | 0.03% | 0.07% |
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Exposure
Countries
VO
USA
92.44%
Other
7.56%
IVOO
USA
93.35%
Other
6.65%
Sectors
VO
Industrials
17.09%
Information Techn.
13.85%
Financials
12.36%
Consumer Discreti.
10.75%
Utilities
8.7%
Energy
7.61%
Other
29.64%
IVOO
Industrials
21.69%
Information Techn.
13.66%
Financials
12.71%
Consumer Discreti.
10.72%
Health Care
8.56%
Other
32.67%
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Diversification
VO
Total weight of top 15 holdings out of 15
14.11%
IVOO
Total weight of top 15 holdings out of 15
11.29%
Top 15 holdings
Data as of February 28, 2026
VO
NEWMONT CORP
1.46%
CORNING
1.19%
HOWMET AEROSPACE INC
1.09%
CONSTELLATION ENERGY CORP
1.06%
VERTIV HOLDINGS
0.99%
WESTERN DIGITAL
0.98%
SEAGATE TECHNOLOGY HOLDINGS PLC
0.90%
QUANTA SERVICES
0.86%
CUMMINS
0.83%
CRH PLC
0.83%
MOTOROLA SOLUTIONS
0.83%
SCHLUMBERGER
0.79%
ROYAL CARIBBEAN GROUP
0.79%
GENERAL MOTORS
0.76%
TRANSDIGM GROUP
0.76%
IVOO
LUMENTUM HOLDINGS
1.43%
US19247G1076
1.17%
TECHNIPFMC PLC
0.77%
CURTISS WRIGHT
0.75%
CASEYS GENERAL STORES
0.74%
XPO LOGISTICS
0.71%
ROYAL GOLD
0.70%
FLEX LTD
0.67%
WOODWARD
0.67%
ATI INC
0.64%
UTD THERAPEUT
0.63%
US FOODS HOLDING CORP
0.62%
TENET HEALTHCARE
0.61%
ILLUMINA
0.59%
ENTEGRIS
0.58%
Frequently asked questions about VO and IVOO
How have the VO and IVOO ETFs performed in 2026?
As of April 1, 2026, VO is down -0.06% year-to-date (YTD), while IVOO has returned 3.37%. That puts IVOO better performer ahead so far this year.
Which ETF is attracting more investor money: VO or IVOO?
Year-to-date, the VO ETF saw +$2.51B in flows, compared to +$102M for IVOO.
Which ETF is more volatile: VO or IVOO?
Over the past year, VO had a volatility of 17.71%, while IVOO experienced 21.02%.
Which ETF is bigger: VO or IVOO?
As of April 1, 2026, VO holds $92.77 B in assets under management (AUM), while IVOO manages $3.18 B.
What sectors do the VO and IVOO ETFs invest in?
VO leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, IVOO focuses on Industrials, Information Technology and Financials.
What are the top holdings of the VO ETF and IVOO ETF?
VO top holdings include NEWMONT CORP, CORNING and HOWMET AEROSPACE INC. IVOO holds in its top three: LUMENTUM HOLDINGS, US19247G1076 and TECHNIPFMC PLC.
Which ETF is more diversified: VO or IVOO?
VO holds 287 securities with 14.11% of its assets in the top 15. IVOO has 400 securities and a top 15 weight of 11.29%.
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