FCGvsIEZETF Comparison
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First Trust Natural Gas ETF (FCG) and iShares U.S. Oil Equipment & Services ETF (IEZ) belong to the same industry segment: US Energy. FCG's top 1 sector exposures are Energy. In contrast, IEZ's top sector exposures are Energy, Non-Energy Materials and Non-Corporate. FCG is more expensive with a Total Expense Ratio (TER) of 0.57%, versus 0.37% for IEZ. FCG is up 36.9% year-to-date (YTD) with +$99M in YTD flows. IEZ performs better with 47.28% YTD performance, and +$209M in YTD flows. Run a side-by-side ETF comparison of FCG and IEZ 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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FCG vs IEZ performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/03/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FCG IEZ | +9.08%+8.27% | +7.26%-2.29% | +36.90%+47.28% | +37.85%+61.70% | +27.54%+29.66% | +152.34%+149.40% |
| Flows | FCG IEZ | +$4M-$4M | -$65M-$244M | +$99M+$209M | +$218M+$214M | +$53M+$185M | +$174M+$252M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FCG IEZ | +28.65%+30.92% | +27.77%+28.82% | +27.68%+30.61% | +32.87%+35.62% |
| Max drawdown | FCG IEZ | -11.79%-17.33% | -19.59%-20.27% | -29.46%-40.22% | -33.27%-40.22% |
| Max drawdown duration | FCG IEZ | 64d92d | 158d109d | 679d861d | 1353d861d |
Trading data
FCG | IEZ | |
Last sale 9/4/2026 at 1:30 PM | $31.43 | $30.55 |
| Previous close 09/04/2026 | $31.75 | $30.68 |
| Consolidated volume 09/04/2026 | ||
| 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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FCG | IEZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/4/2026 at 1:30 PM
Live
Closed
FCG | IEZ | |
|---|---|---|
| Last price | $31.43 | $30.55 |
| 1D performance | -1.01% | -0.42% |
| AuM | $705.79 M | $391.29 M |
| E/R | 0.57% | 0.37% |
Characteristics
FCG | IEZ | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | First Trust | iShares |
| Benchmark | ISE-Revere Natural Gas Index | Dow Jones U.S. Select Oil Equipment & Services Index |
| N° of holdings | 41 | 32 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 8, 2007 | May 1, 2006 |
| ESG | No | No |
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Exposure
Countries
FCG
USA
90.5%
Other
9.5%
IEZ
USA
92.21%
Other
7.79%
Sectors
FCG
Energy
98.43%
Other
1.57%
IEZ
Energy
99.36%
Other
0.64%
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Diversification
FCG
Total weight of top 15 holdings out of 15
58.51%
IEZ
Total weight of top 15 holdings out of 15
86.05%
Top 15 holdings
Data as of July 31, 2026
FCG
ConocoPhillips
4.74%
Western Midstream Partners LP
4.61%
EOG Resources, Inc.
4.46%
Hess Midstream LP
4.24%
Occidental Petroleum Corp.
4.14%
Permian Resources Corp.
4.11%
Diamondback Energy, Inc.
4.09%
Devon Energy Corp.
4.00%
Ovintiv, Inc.
3.82%
APA Corp.
3.79%
Expand Energy Corp.
3.52%
EQT Corp.
3.44%
SM Energy Co.
3.32%
Antero Resources Corp.
3.17%
Matador Resources Co.
3.06%
IEZ
Baker Hughes Co.
23.71%
SLB Ltd.
21.98%
TechnipFMC plc
4.92%
Halliburton Co.
3.97%
NOV, Inc.
3.89%
Archrock, Inc.
3.49%
Weatherford International plc
3.42%
Kodiak Gas Services, Inc.
3.21%
Noble Corp. Plc
2.94%
Transocean Ltd.
2.87%
Valaris Ltd.
2.74%
Oceaneering International, Inc.
2.67%
Cactus, Inc.
2.42%
Patterson-UTI Energy, Inc.
1.91%
Tidewater, Inc.
1.91%
Frequently asked questions about FCG and IEZ
How have the FCG and IEZ ETFs performed in 2026?
As of September 3, 2026, FCG is up 36.9% year-to-date (YTD), while IEZ has returned 47.28%. That puts IEZ better performer ahead so far this year.
Which ETF is attracting more investor money: FCG or IEZ?
Year-to-date, the FCG ETF saw +$99M in flows, compared to +$209M for IEZ.
Which ETF is more volatile: FCG or IEZ?
Over the past year, FCG had a volatility of 27.77%, while IEZ experienced 28.82%.
Which ETF is bigger: FCG or IEZ?
As of September 3, 2026, FCG holds $705.79 M in assets under management (AUM), while IEZ manages $391.29 M.
What sectors do the FCG and IEZ ETFs invest in?
FCG leans toward sectors like Energy. Meanwhile, IEZ focuses on Energy.
What are the top holdings of the FCG ETF and IEZ ETF?
FCG top holdings include ConocoPhillips, Western Midstream Partners LP and EOG Resources, Inc.. IEZ holds in its top three: Baker Hughes Co., SLB Ltd. and TechnipFMC plc.
Which ETF is more diversified: FCG or IEZ?
FCG holds 41 securities with 58.51% of its assets in the top 15. IEZ has 32 securities and a top 15 weight of 86.05%.
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Latest news about FCG & IEZ
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Natural Gas Dead Cat Bounce Amid Oversupply
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Oil Prices Fall After a Surprise Jump in U.S. Crude Stockpiles
January 16, 2024
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Energy Sector Plunges for the Third Week in a Row
November 13, 2023
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Energy Sector Plunges for the Third Week in a Row
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