ISCBvsFNXETF Comparison
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iShares Morningstar Small-Cap ETF (ISCB) belongs to the US Small Cap segment. First Trust Mid Cap Core AlphaDEX Fund ETF (FNX) is part of the US Multi-Factor segment. Both ETFs have the same top 3 sector exposures: Finance, Industrials and Healthcare. ISCB is less expensive with a Total Expense Ratio (TER) of 0.04%, versus 0.62% for FNX. ISCB is up 15.24% year-to-date (YTD) with -$7M in YTD flows. FNX performs worse with 14.32% YTD performance, and +$35M in YTD flows. Run a side-by-side ETF comparison of ISCB and FNX 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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ISCB vs FNX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ISCB FNX | -0.95%-0.29% | +5.96%+4.24% | +15.24%+14.32% | +24.80%+22.27% | +51.20%+48.54% | +43.40%+54.20% |
| Flows | ISCB FNX | --$12M | -$146K+$9M | -$7M+$35M | -$10M-$11M | -$27M-$115M | -$23M-$82M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ISCB FNX | +14.46%+14.36% | +16.59%+15.98% | +19.47%+18.77% | +21.34%+20.65% |
| Max drawdown | ISCB FNX | -4.04%-4.40% | -9.38%-9.22% | -25.75%-25.04% | -30.04%-25.04% |
| Max drawdown duration | ISCB FNX | 16d19d | 65d65d | 289d289d | 1067d289d |
Trading data
ISCB | FNX | |
Last sale 7/27/2026 at 1:30 PM | $74.48 | $143.93 |
| Previous close 07/27/2026 | $73.85 | $143.34 |
| Consolidated volume 07/27/2026 | ||
| 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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ISCB | FNX | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/27/2026 at 1:30 PM
Live
Closed
ISCB | FNX | |
|---|---|---|
| Last price | $74.48 | $143.93 |
| 1D performance | +0.85% | +0.41% |
| AuM | $282.95 M | $1.38 B |
| E/R | 0.04% | 0.62% |
Characteristics
ISCB | FNX | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | First Trust |
| Benchmark | Morningstar US Small Cap Extended Index | NASDAQ AlphaDEX Mid Cap Core Index |
| N° of holdings | 1561 | 448 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 28, 2004 | May 8, 2007 |
| ESG | No | No |
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Exposure
Countries
ISCB
USA
96.46%
Other
3.54%
FNX
USA
97.1%
Other
2.9%
Sectors
ISCB
Finance
24.76%
Industrials
14.62%
Healthcare
14.55%
Technology
14.15%
Other
31.91%
FNX
Finance
26.7%
Industrials
15.27%
Healthcare
11.09%
Technology
10.6%
Consumer Cyclical.
9.3%
Non-Energy Materi.
7.04%
Other
20%
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Diversification
ISCB
Total weight of top 15 holdings out of 15
4.31%
FNX
Total weight of top 15 holdings out of 15
7.96%
Top 15 holdings
Data as of June 30, 2026
ISCB
BlackRock Cash Funds - Treasury
0.40%
Sterling Infrastructure, Inc.
0.40%
Okta, Inc.
0.36%
Guardant Health, Inc.
0.30%
Onto Innovation, Inc.
0.29%
Roku, Inc.
0.28%
Generac Holdings, Inc.
0.27%
QXO, Inc.
0.26%
Neurocrine Biosciences, Inc.
0.26%
Akamai Technologies, Inc.
0.26%
Masco Corp.
0.25%
SiTime Corp.
0.25%
Host Hotels & Resorts, Inc.
0.25%
IDEX Corp.
0.24%
Toll Brothers, Inc.
0.24%
FNX
Vicor Corp.
0.71%
Sanmina Corp.
0.62%
Sterling Infrastructure, Inc.
0.62%
TTM Technologies, Inc.
0.60%
ViaSat, Inc.
0.59%
DigitalOcean Holdings, Inc.
0.55%
BrightSpring Health Services, Inc.
0.54%
Vornado Realty Trust
0.50%
IES Holdings, Inc.
0.48%
Enova International, Inc.
0.47%
Moog, Inc.
0.47%
Viavi Solutions, Inc.
0.46%
Kilroy Realty Corp.
0.45%
PACS Group, Inc.
0.45%
Dycom Industries, Inc.
0.45%
Frequently asked questions about ISCB and FNX
How have the ISCB and FNX ETFs performed in 2026?
As of July 27, 2026, ISCB is up 15.24% year-to-date (YTD), while FNX has returned 14.32%. That puts ISCB better performer ahead so far this year.
Which ETF is attracting more investor money: ISCB or FNX?
Year-to-date, the ISCB ETF saw -$7M in flows, compared to +$35M for FNX.
Which ETF is more volatile: ISCB or FNX?
Over the past year, ISCB had a volatility of 16.59%, while FNX experienced 15.98%.
Which ETF is bigger: ISCB or FNX?
As of July 27, 2026, ISCB holds $282.95 M in assets under management (AUM), while FNX manages $1.38 B.
What sectors do the ISCB and FNX ETFs invest in?
ISCB leans toward sectors like Finance, Industrials and Healthcare. Meanwhile, FNX focuses on Finance, Industrials and Healthcare.
What are the top holdings of the ISCB ETF and FNX ETF?
ISCB top holdings include BlackRock Cash Funds - Treasury, Sterling Infrastructure, Inc. and Okta, Inc.. FNX holds in its top three: Vicor Corp., Sanmina Corp. and Sterling Infrastructure, Inc..
Which ETF is more diversified: ISCB or FNX?
ISCB holds 1582 securities with 4.31% of its assets in the top 15. FNX has 448 securities and a top 15 weight of 7.96%.
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