IWRvsVOETF Comparison
VS
iShares Russell Mid-Cap ETF (IWR) and Vanguard Mid-Cap ETF (VO) belong to the same industry segment: US Mid Cap. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Financials. IWR is more expensive with a Total Expense Ratio (TER) of 0.18%, versus 0.03% for VO. IWR is up 14.24% year-to-date (YTD) with +$3.17B in YTD flows. VO performs worse with 11.82% YTD performance, and +$6.33B in YTD flows. Run a side-by-side ETF comparison of IWR and VO 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
IWR vs VO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWR VO | +5.81%+5.58% | +12.20%+11.17% | +14.24%+11.82% | +23.10%+19.90% | +57.81%+55.41% | +49.05%+47.90% |
| Flows | IWR VO | +$852M+$3.09B | +$2.78B+$4.35B | +$3.17B+$6.33B | +$5.65B+$10.88B | +$11.00B+$21.50B | +$12.51B+$32.44B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWR VO | +15.56%+14.56% | +13.82%+12.74% | +15.97%+14.79% | +18.31%+17.63% |
| Max drawdown | IWR VO | -3.83%-3.96% | -8.16%-8.12% | -21.08%-18.93% | -26.20%-27.54% |
| Max drawdown duration | IWR VO | 16d21d | 49d49d | 239d211d | 854d972d |
Trading data
IWR | VO | |
Last sale 6/16/2026 at 1:30 PM | $108.94 | $80.65 |
| Previous close 06/15/2026 | $109.43 | $80.81 |
| Consolidated volume 06/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of May 29, 2026
1-year trailing difference
Create an account to view replication metrics
Join for free
IWR | VO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 6/16/2026 at 1:30 PM
Live
Closed
IWR | VO | |
|---|---|---|
| Last price | $108.94 | $80.65 |
| 1D performance | -0.45% | -0.20% |
| AuM | $56.14 B | $107.70 B |
| E/R | 0.18% | 0.03% |
Advertisement
Exposure
Countries
IWR
USA
93.91%
Other
6.09%
VO
USA
92.33%
Other
7.67%
Sectors
IWR
Industrials
16.96%
Information Techn.
14.26%
Financials
12.04%
Consumer Discreti.
10.29%
Health Care
7.82%
Other
38.62%
VO
Industrials
17.2%
Information Techn.
16.44%
Financials
11.97%
Consumer Discreti.
10.1%
Energy
8.35%
Utilities
8.32%
Other
27.62%
Advertisement
Diversification
IWR
Total weight of top 15 holdings out of 15
10.87%
VO
Total weight of top 15 holdings out of 15
14.32%
Top 15 holdings
Data as of April 30, 2026
IWR
US80004C2008
1.16%
WESTERN DIGITAL
1.10%
CORNING
0.95%
VERTIV HOLDINGS
0.93%
QUANTA SERVICES
0.79%
HOWMET AEROSPACE INC
0.72%
BANK OF NEW YORK MELLON
0.69%
CUMMINS
0.68%
VALERO ENERGY
0.57%
MONOLITHIC POWER SYSTEMS
0.55%
MARATHON PETROLEUM
0.55%
CIENA
0.55%
HILTON INC
0.55%
ROSS STORES
0.54%
PHILLIPS 66
0.53%
VO
WESTERN DIGITAL
1.49%
SEAGATE TECHNOLOGY HOLDINGS PLC
1.48%
VERTIV HOLDINGS
1.25%
QUANTA SERVICES
1.10%
HOWMET AEROSPACE INC
0.98%
CONSTELLATION ENERGY CORP
0.97%
CUMMINS
0.94%
SCHLUMBERGER
0.86%
CRH PLC
0.80%
VALERO ENERGY
0.76%
MONOLITHIC POWER SYSTEMS
0.75%
ROSS STORES
0.74%
MARATHON PETROLEUM
0.74%
MOTOROLA SOLUTIONS
0.73%
MARVELL TECHNOLOGY
0.73%
Frequently asked questions about IWR and VO
How have the IWR and VO ETFs performed in 2026?
As of June 15, 2026, IWR is up 14.24% year-to-date (YTD), while VO has returned 11.82%. That puts IWR better performer ahead so far this year.
Which ETF is attracting more investor money: IWR or VO?
Year-to-date, the IWR ETF saw +$3.17B in flows, compared to +$6.33B for VO.
Which ETF is more volatile: IWR or VO?
Over the past year, IWR had a volatility of 13.82%, while VO experienced 12.74%.
Which ETF is bigger: IWR or VO?
As of June 15, 2026, IWR holds $56.14 B in assets under management (AUM), while VO manages $107.70 B.
What sectors do the IWR and VO ETFs invest in?
IWR leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, VO focuses on Industrials, Information Technology and Financials.
What are the top holdings of the IWR ETF and VO ETF?
IWR top holdings include US80004C2008, WESTERN DIGITAL and CORNING. VO holds in its top three: WESTERN DIGITAL, SEAGATE TECHNOLOGY HOLDINGS PLC and VERTIV HOLDINGS.
Which ETF is more diversified: IWR or VO?
IWR holds 806 securities with 10.87% of its assets in the top 15. VO has 289 securities and a top 15 weight of 14.32%.
Advertisement
Advertisement
