FNXvsISCBETF Comparison
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First Trust Mid Cap Core AlphaDEX Fund ETF (FNX) belongs to the US Multi-Factor segment. iShares Morningstar Small-Cap ETF (ISCB) is part of the US Small Cap segment. FNX's top 3 sector exposures are Finance, Industrials and Healthcare. In contrast, ISCB's top sector exposures are Finance, Healthcare and Technology. FNX is more expensive with a Total Expense Ratio (TER) of 0.62%, versus 0.04% for ISCB. FNX is up 12.81% year-to-date (YTD) with +$35M in YTD flows. ISCB performs better with 13.33% YTD performance, and -$7M in YTD flows. Run a side-by-side ETF comparison of FNX and ISCB 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 ISCB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/14/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FNX ISCB | -4.41%-5.09% | -1.47%-0.67% | +12.81%+13.33% | +14.14%+16.98% | +52.65%+56.42% | +50.60%+38.18% |
| Flows | FNX ISCB | -- | -$5M-$146K | +$35M-$7M | +$26M-$10M | -$135M-$25M | -$87M-$26M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FNX ISCB | +11.05%+12.36% | +15.40%+16.08% | +18.71%+19.43% | +20.58%+21.29% |
| Max drawdown | FNX ISCB | -4.67%-5.62% | -9.22%-9.38% | -25.04%-25.75% | -25.04%-30.04% |
| Max drawdown duration | FNX ISCB | 29d30d | 65d65d | 289d289d | 289d1067d |
Trading data
FNX | ISCB | |
Last sale 9/15/2026 at 7:49 PM | $140.54 | $72.92 |
| Previous close 09/15/2026 | $141.56 | $73.67 |
| Consolidated volume 09/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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FNX | ISCB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/15/2026 at 7:49 PM
Live
Closed
FNX | ISCB | |
|---|---|---|
| Last price | $140.54 | $72.92 |
| 1D performance | -0.72% | -1.02% |
| AuM | $1.36 B | $277.29 M |
| E/R | 0.62% | 0.04% |
Characteristics
FNX | ISCB | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | First Trust | iShares |
| Benchmark | NASDAQ AlphaDEX Mid Cap Core Index | Morningstar US Small Cap Extended Index |
| N° of holdings | 448 | 1554 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 8, 2007 | June 28, 2004 |
| ESG | No | No |
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Exposure
Countries
FNX
USA
97.13%
Other
2.87%
ISCB
USA
96.5%
Other
3.5%
Sectors
FNX
Finance
25.35%
Industrials
13.44%
Healthcare
11.43%
Technology
10.03%
Consumer Cyclical.
9.05%
Energy
8.57%
Other
22.13%
ISCB
Finance
25.95%
Healthcare
14.99%
Technology
13.35%
Industrials
13.2%
Other
32.51%
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Diversification
FNX
Total weight of top 15 holdings out of 15
6.94%
ISCB
Total weight of top 15 holdings out of 15
4.21%
Top 15 holdings
Data as of July 31, 2026
FNX
SM Energy Co.
0.53%
Genpact Ltd.
0.50%
APA Corp.
0.50%
EPAM Systems, Inc.
0.50%
HF Sinclair Corp.
0.49%
Permian Resources Corp.
0.48%
Lithia Motors, Inc.
0.47%
Ovintiv, Inc.
0.47%
Lyft, Inc.
0.44%
Matador Resources Co.
0.43%
Solventum Corp.
0.43%
CF Industries Holdings, Inc.
0.43%
Universal Health Services, Inc.
0.43%
Matson, Inc.
0.42%
ADT, Inc.
0.42%
ISCB
Okta, Inc.
0.37%
BlackRock Cash Funds - Treasury
0.36%
Guardant Health, Inc.
0.31%
Roku, Inc.
0.30%
Neurocrine Biosciences, Inc.
0.29%
Sterling Infrastructure, Inc.
0.28%
Best Buy Co., Inc.
0.27%
Host Hotels & Resorts, Inc.
0.27%
Jones Lang LaSalle, Inc.
0.26%
Akamai Technologies, Inc.
0.26%
Jazz Pharmaceuticals Plc
0.26%
IDEX Corp.
0.25%
Nutanix, Inc.
0.25%
Atlassian Corp.
0.24%
Healthpeak Properties, Inc.
0.24%
Frequently asked questions about FNX and ISCB
How have the FNX and ISCB ETFs performed in 2026?
As of September 14, 2026, FNX is up 12.81% year-to-date (YTD), while ISCB has returned 13.33%. That puts ISCB better performer ahead so far this year.
Which ETF is attracting more investor money: FNX or ISCB?
Year-to-date, the FNX ETF saw +$35M in flows, compared to -$7M for ISCB.
Which ETF is more volatile: FNX or ISCB?
Over the past year, FNX had a volatility of 15.4%, while ISCB experienced 16.08%.
Which ETF is bigger: FNX or ISCB?
As of September 14, 2026, FNX holds $1.36 B in assets under management (AUM), while ISCB manages $277.29 M.
What sectors do the FNX and ISCB ETFs invest in?
FNX leans toward sectors like Finance, Industrials and Healthcare. Meanwhile, ISCB focuses on Finance, Healthcare and Technology.
What are the top holdings of the FNX ETF and ISCB ETF?
FNX top holdings include SM Energy Co., Genpact Ltd. and APA Corp.. ISCB holds in its top three: Okta, Inc., BlackRock Cash Funds - Treasury and Guardant Health, Inc..
Which ETF is more diversified: FNX or ISCB?
FNX holds 448 securities with 6.94% of its assets in the top 15. ISCB has 1571 securities and a top 15 weight of 4.21%.
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