VOvsFEXETF Comparison
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Vanguard Mid-Cap ETF (VO) belongs to the US Mid Cap segment. First Trust Large Cap Core AlphaDEX Fund ETF (FEX) is part of the US Multi-Factor segment. VO's top 3 sector exposures are Finance, Industrials and Technology. In contrast, FEX's top sector exposures are Finance, Technology and Industrials. VO is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.57% for FEX. VO is up 12.93% year-to-date (YTD) with +$4.42B in YTD flows. FEX performs better with 15.95% YTD performance, and -$10M in YTD flows. Run a side-by-side ETF comparison of VO and FEX 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 FEX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | VO FEX | +1.06%-1.64% | +7.35%+6.90% | +12.93%+15.95% | +14.45%+22.26% | +50.33%+62.98% | +46.66%+67.95% |
| Flows | VO FEX | -$721M-$12M | +$1.59B+$8M | +$4.42B-$10M | +$7.78B-$38M | +$21.23B-$183M | +$29.99B-$202M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | VO FEX | +11.74%+14.48% | +12.59%+13.23% | +14.73%+14.92% | +17.56%+16.92% |
| Max drawdown | VO FEX | -3.19%-3.74% | -8.12%-6.27% | -18.93%-19.51% | -27.54%-21.53% |
| Max drawdown duration | VO FEX | 8d28d | 49d47d | 211d232d | 972d757d |
Trading data
VO | FEX | |
Last sale 7/29/2026 at 1:30 PM | $80.62 | $136.21 |
| Previous close 07/28/2026 | $81.35 | $136.87 |
| Consolidated volume 07/28/2026 | ||
| 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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VO | FEX | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/29/2026 at 1:30 PM
Live
Closed
VO | FEX | |
|---|---|---|
| Last price | $80.62 | $136.21 |
| 1D performance | -0.90% | -0.48% |
| AuM | $106.43 B | $1.57 B |
| E/R | 0.03% | 0.57% |
Characteristics
VO | FEX | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | Vanguard | First Trust |
| Benchmark | CRSP U.S. Mid Cap Index | NASDAQ AlphaDEX Large Cap Core Index |
| N° of holdings | 278 | 374 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 26, 2004 | May 8, 2007 |
| ESG | No | No |
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Exposure
Countries
VO
USA
95.94%
Other
4.06%
FEX
USA
96.22%
Other
3.78%
Sectors
VO
Finance
19.55%
Industrials
18.03%
Technology
17.76%
Utilities
8.34%
Healthcare
7.78%
Energy
7.17%
Other
21.38%
FEX
Finance
20.42%
Technology
18.76%
Industrials
17.76%
Healthcare
9.11%
Utilities
7.05%
Other
26.9%
Diversification
VO
Total weight of top 15 holdings out of 15
13.22%
FEX
Total weight of top 15 holdings out of 15
12.1%
Top 15 holdings
Data as of June 30, 2026
VO
Vertiv Holdings Co.
1.22%
Western Digital Corp.
1.06%
Seagate Technology Holdings Plc
1.04%
Quanta Services, Inc.
1.04%
Howmet Aerospace, Inc.
1.04%
Cummins, Inc.
0.95%
Datadog, Inc.
0.83%
Bloom Energy Corp.
0.79%
Constellation Energy Corp.
0.78%
Robinhood Markets, Inc.
0.76%
Cloudflare, Inc.
0.76%
Valero Energy Corp.
0.75%
Coherent Corp.
0.74%
Royal Caribbean Group
0.74%
Teradyne, Inc.
0.73%
FEX
Sandisk Corp.
1.24%
Micron Technology, Inc.
1.19%
Dell Technologies, Inc.
1.01%
Seagate Technology Holdings Plc
0.91%
Western Digital Corp.
0.86%
Marvell Technology, Inc.
0.85%
Bloom Energy Corp.
0.83%
Advanced Micro Devices, Inc.
0.83%
Humana, Inc.
0.73%
MKS, Inc.
0.69%
Corning, Inc.
0.63%
MACOM Technology Solutions Holdings, Inc.
0.61%
Applied Materials, Inc.
0.59%
United Airlines Holdings, Inc.
0.57%
Teradyne, Inc.
0.56%
Frequently asked questions about VO and FEX
How have the VO and FEX ETFs performed in 2026?
As of July 28, 2026, VO is up 12.93% year-to-date (YTD), while FEX has returned 15.95%. That puts FEX better performer ahead so far this year.
Which ETF is attracting more investor money: VO or FEX?
Year-to-date, the VO ETF saw +$4.42B in flows, compared to -$10M for FEX.
Which ETF is more volatile: VO or FEX?
Over the past year, VO had a volatility of 12.59%, while FEX experienced 13.23%.
Which ETF is bigger: VO or FEX?
As of July 28, 2026, VO holds $106.43 B in assets under management (AUM), while FEX manages $1.57 B.
What sectors do the VO and FEX ETFs invest in?
VO leans toward sectors like Finance, Industrials and Technology. Meanwhile, FEX focuses on Finance, Technology and Industrials.
What are the top holdings of the VO ETF and FEX ETF?
VO top holdings include Vertiv Holdings Co., Western Digital Corp. and Seagate Technology Holdings Plc. FEX holds in its top three: Sandisk Corp., Micron Technology, Inc. and Dell Technologies, Inc..
Which ETF is more diversified: VO or FEX?
VO holds 282 securities with 13.22% of its assets in the top 15. FEX has 374 securities and a top 15 weight of 12.1%.
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