XOEFvsVOETF Comparison
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iShares S&P 500 ex S&P 100 ETF (XOEF) belongs to the US Large Cap segment. Vanguard Mid-Cap ETF (VO) is part of the US Mid Cap segment. Both ETFs have the same top 3 sector exposures: Technology, Finance and Industrials. XOEF is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.03% for VO. XOEF is up 14.55% year-to-date (YTD) with +$4M in YTD flows. VO performs worse with 11.39% YTD performance, and +$5.54B in YTD flows. Run a side-by-side ETF comparison of XOEF 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.
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XOEF vs VO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/17/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | XOEF VO | +0.01%+1.20% | +4.38%+4.87% | +14.55%+11.39% | +19.60%+14.93% | n/a+48.76% | n/a+50.68% |
| Flows | XOEF VO | +$1M-$5.64B | +$1M+$3.05B | +$4M+$5.54B | +$6M+$8.36B | -+$22.41B | -+$31.07B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | XOEF VO | +12.22%+11.81% | +12.94%+12.64% | n/a+14.73% | n/a+17.59% |
| Max drawdown | XOEF VO | -2.47%-3.19% | -7.63%-8.12% | n/a-18.93% | n/a-27.54% |
| Max drawdown duration | XOEF VO | 7d8d | 49d49d | n/a211d | n/a972d |
Trading data
XOEF | VO | |
Last sale 7/17/2026 at 1:30 PM | $29.43 | $80.24 |
| Previous close 07/16/2026 | $29.59 | $80.61 |
| Consolidated volume 07/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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XOEF | VO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/17/2026 at 1:30 PM
Live
Closed
XOEF | VO | |
|---|---|---|
| Last price | $29.43 | $80.24 |
| 1D performance | -0.51% | -0.46% |
| AuM | $22.37 M | $106.11 B |
| E/R | 0.2% | 0.03% |
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Exposure
Countries
XOEF
USA
94.47%
Other
5.53%
VO
USA
96.18%
Other
3.82%
Sectors
XOEF
Technology
23.38%
Finance
19.23%
Industrials
14.28%
Healthcare
8.84%
Other
34.26%
VO
Technology
19.44%
Finance
18.86%
Industrials
16.43%
Utilities
7.86%
Energy
7.56%
Healthcare
7.48%
Other
22.36%
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Diversification
XOEF
Total weight of top 15 holdings out of 15
15.91%
VO
Total weight of top 15 holdings out of 15
14.84%
Top 15 holdings
Data as of May 31, 2026
XOEF
KLA Corp.
1.46%
Sandisk Corp.
1.45%
Palo Alto Networks, Inc.
1.32%
Analog Devices, Inc.
1.17%
Seagate Technology Holdings Plc
1.11%
CrowdStrike Holdings, Inc.
1.07%
Amphenol Corp.
1.06%
Western Digital Corp.
1.04%
The TJX Cos., Inc.
0.99%
Applovin Corp.
0.96%
Arista Networks, Inc.
0.95%
Eaton Corp. Plc
0.90%
Welltower, Inc.
0.83%
Corning, Inc.
0.82%
Prologis, Inc.
0.77%
VO
Seagate Technology Holdings Plc
1.90%
Western Digital Corp.
1.78%
Vertiv Holdings Co.
1.17%
Quanta Services, Inc.
1.05%
Howmet Aerospace, Inc.
1.02%
Marvell Technology, Inc.
0.88%
Cummins, Inc.
0.88%
Constellation Energy Corp.
0.88%
SLB Ltd.
0.81%
Datadog, Inc.
0.80%
General Motors Co.
0.74%
Ross Stores, Inc.
0.74%
Robinhood Markets, Inc.
0.74%
Marathon Petroleum Corp.
0.72%
Valero Energy Corp.
0.72%
Frequently asked questions about XOEF and VO
How have the XOEF and VO ETFs performed in 2026?
As of July 17, 2026, XOEF is up 14.55% year-to-date (YTD), while VO has returned 11.39%. That puts XOEF better performer ahead so far this year.
Which ETF is attracting more investor money: XOEF or VO?
Year-to-date, the XOEF ETF saw +$4M in flows, compared to +$5.54B for VO.
Which ETF is more volatile: XOEF or VO?
Over the past year, XOEF had a volatility of 12.94%, while VO experienced 12.64%.
Which ETF is bigger: XOEF or VO?
As of July 17, 2026, XOEF holds $22.37 M in assets under management (AUM), while VO manages $106.11 B.
What sectors do the XOEF and VO ETFs invest in?
XOEF leans toward sectors like Technology, Finance and Industrials. Meanwhile, VO focuses on Technology, Finance and Industrials.
What are the top holdings of the XOEF ETF and VO ETF?
XOEF top holdings include KLA Corp., Sandisk Corp. and Palo Alto Networks, Inc.. VO holds in its top three: Seagate Technology Holdings Plc, Western Digital Corp. and Vertiv Holdings Co..
Which ETF is more diversified: XOEF or VO?
XOEF holds 404 securities with 15.91% of its assets in the top 15. VO has 288 securities and a top 15 weight of 14.84%.
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