FNXvsDFASETF Comparison
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First Trust Mid Cap Core AlphaDEX Fund ETF (FNX) belongs to the US Multi-Factor segment. Dimensional US Small Cap ETF (DFAS) is part of the US Small Cap segment. FNX's top 3 sector exposures are Financials, Industrials and Consumer Discretionary. In contrast, DFAS's top sector exposures are Financials, Industrials and Information Technology. FNX is more expensive with a Total Expense Ratio (TER) of 0.62%, versus 0.26% for DFAS. FNX is up 14.05% year-to-date (YTD) with +$47M in YTD flows. DFAS performs better with 15.37% YTD performance, and +$935M in YTD flows. Run a side-by-side ETF comparison of FNX and DFAS 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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FNX vs DFAS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FNX DFAS | +5.60%+5.73% | +12.31%+13.85% | +14.05%+15.37% | +28.08%+29.90% | +57.58%+52.46% | +52.04%+46.45% |
| Flows | FNX DFAS | +$14M+$244M | +$27M+$445M | +$47M+$935M | -$23M+$1.86B | -$132M+$5.33B | -$70M+$7.14B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FNX DFAS | +17.28%+16.88% | +16.28%+16.75% | +18.94%+19.48% | +20.81%+20.90% |
| Max drawdown | FNX DFAS | -4.40%-4.24% | -9.22%-9.26% | -25.04%-26.11% | -25.04%-26.11% |
| Max drawdown duration | FNX DFAS | 19d19d | 65d66d | 289d373d | 289d373d |
Trading data
FNX | DFAS | |
Last sale 6/17/2026 at 1:30 PM | $141.44 | $79.30 |
| Previous close 06/17/2026 | $143.22 | $80.28 |
| Consolidated volume 06/17/2026 | ||
| 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
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DFAS
is actively managed and doesn’t replicate an indexFNX | DFAS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 6/17/2026 at 1:30 PM
Live
Closed
FNX | DFAS | |
|---|---|---|
| Last price | $141.44 | $79.30 |
| 1D performance | -1.24% | -1.22% |
| AuM | $1.39 B | $14.90 B |
| E/R | 0.62% | 0.26% |
Characteristics
FNX | DFAS | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | First Trust | Dimensional |
| Benchmark | NASDAQ AlphaDEX Mid Cap Core Index | - |
| N° of holdings | 418 | 1822 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 8, 2007 | June 14, 2021 |
| ESG | No | No |
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Exposure
Countries
FNX
USA
96.55%
Other
3.45%
DFAS
USA
87.3%
Other
12.7%
Sectors
FNX
Financials
17.85%
Industrials
17.4%
Consumer Discreti.
14.03%
Information Techn.
11.53%
Health Care
7.98%
Other
31.21%
DFAS
Financials
18.45%
Industrials
18.28%
Information Techn.
12.35%
Consumer Discreti.
12.2%
Health Care
10.05%
Other
28.67%
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Diversification
FNX
Total weight of top 15 holdings out of 15
7.15%
DFAS
Total weight of top 15 holdings out of 15
3.8%
Top 15 holdings
Data as of April 30, 2026
FNX
SANMINA CORP
0.59%
VICOR
0.57%
VIAVI SOLUTIONS INC
0.57%
TTM TECHNOLOGIES
0.56%
VIASAT
0.49%
IES HOLDINGS
0.47%
PLANET LABS PBC
0.45%
STERLING INFRASTRUCTURE INC
0.45%
DYCOM INDUSTRIES
0.44%
SKYWORKS SOLUTIONS
0.44%
PRIMORIS SERVICES
0.43%
US3004261034
0.43%
POWELL INDUSTRIES
0.42%
MODINE MNFC CO
0.42%
US10950A1060
0.42%
DFAS
AMKOR TECHNOLOGY
0.35%
TTM TECHNOLOGIES
0.30%
ADVANCED ENERGY INDUSTRIES
0.28%
MODINE MNFC CO
0.26%
WESCO INTL
0.25%
JAZZ PHARMACEUTICALS
0.25%
ONTO INNOVATION INC
0.25%
SANMINA CORP
0.24%
BORGWARNER
0.24%
APA CORPORATION
0.24%
HECLA MINING
0.23%
RAMBUS
0.23%
IES HOLDINGS
0.23%
APPLIED INDUSTRIAL TECHNOLOGIES
0.22%
ALCOA CORP
0.22%
Frequently asked questions about FNX and DFAS
How have the FNX and DFAS ETFs performed in 2026?
As of June 16, 2026, FNX is up 14.05% year-to-date (YTD), while DFAS has returned 15.37%. That puts DFAS better performer ahead so far this year.
Which ETF is attracting more investor money: FNX or DFAS?
Year-to-date, the FNX ETF saw +$47M in flows, compared to +$935M for DFAS.
Which ETF is more volatile: FNX or DFAS?
Over the past year, FNX had a volatility of 16.28%, while DFAS experienced 16.75%.
Which ETF is bigger: FNX or DFAS?
As of June 16, 2026, FNX holds $1.39 B in assets under management (AUM), while DFAS manages $14.90 B.
What sectors do the FNX and DFAS ETFs invest in?
FNX leans toward sectors like Financials, Industrials and Consumer Discretionary. Meanwhile, DFAS focuses on Financials, Industrials and Information Technology.
What are the top holdings of the FNX ETF and DFAS ETF?
FNX top holdings include SANMINA CORP, VICOR and VIAVI SOLUTIONS INC. DFAS holds in its top three: AMKOR TECHNOLOGY, TTM TECHNOLOGIES and ADVANCED ENERGY INDUSTRIES.
Which ETF is more diversified: FNX or DFAS?
FNX holds 449 securities with 7.15% of its assets in the top 15. DFAS has 1865 securities and a top 15 weight of 3.8%.
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Latest news about FNX & DFAS
Small Caps and Value Stocks Continue to Rally Amid Market Rotation
July 22, 2024
DFAS
Dimensional Fund Advisors Celebrates 3-Year ETF Anniversary
November 8, 2023
DFAS
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