ICLNvsNUKZETF Comparison
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iShares Global Clean Energy ETF (ICLN) and Range Nuclear Renaissance Index ETF (NUKZ) belong to the same industry segment: Alternative Energy. ICLN's top 3 sector exposures are Industrials, Utilities and Technology. In contrast, NUKZ's top sector exposures are Industrials, Utilities and Energy. ICLN is less expensive with a Total Expense Ratio (TER) of 0.39%, versus 0.85% for NUKZ. ICLN is up 8.82% year-to-date (YTD) with +$377M in YTD flows. NUKZ performs worse with 3.02% YTD performance, and +$46M in YTD flows. Run a side-by-side ETF comparison of ICLN and NUKZ 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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ICLN vs NUKZ performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ICLN NUKZ | -13.08%-5.80% | -10.70%-11.42% | +8.82%+3.02% | +29.32%+10.54% | -0.54%n/a | -15.11%n/a |
| Flows | ICLN NUKZ | -$260M-$16M | +$276M+$17M | +$377M+$46M | +$515M+$305M | -$1.04B- | -$1.73B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ICLN NUKZ | +37.00%+29.64% | +28.31%+27.43% | +24.37%n/a | +26.38%n/a |
| Max drawdown | ICLN NUKZ | -24.63%-17.47% | -24.63%-17.47% | -41.79%n/a | -56.66%n/a |
| Max drawdown duration | ICLN NUKZ | 52d78d | 52d78d | 911dn/a | 1726dn/a |
Trading data
ICLN | NUKZ | |
Last sale 7/24/2026 at 1:30 PM | $17.78 | $64.22 |
| Previous close 07/23/2026 | $18.37 | $65.08 |
| Consolidated volume 07/23/2026 | ||
| 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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ICLN | NUKZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/24/2026 at 1:30 PM
Live
Closed
ICLN | NUKZ | |
|---|---|---|
| Last price | $17.78 | $64.22 |
| 1D performance | -3.21% | -1.32% |
| AuM | $2.35 B | $787.48 M |
| E/R | 0.39% | 0.85% |
Characteristics
ICLN | NUKZ | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Exchange Traded Concepts |
| Benchmark | S&P Global Clean Energy Transition Index | VettaFi Nuclear Renaissance Index |
| N° of holdings | 104 | 46 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 24, 2008 | January 23, 2024 |
| ESG | Yes | No |
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Exposure
Countries
ICLN
USA
45.59%
China
18.15%
Other
36.26%
NUKZ
USA
54.74%
Canada
10.93%
Republic of Korea
9.99%
Other
24.34%
Sectors
ICLN
Industrials
56.7%
Utilities
33.46%
Technology
7.95%
Other
1.88%
NUKZ
Industrials
50.66%
Utilities
31.59%
Energy
9.91%
Other
7.85%
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Diversification
ICLN
Total weight of top 15 holdings out of 15
63.9%
NUKZ
Total weight of top 15 holdings out of 15
52.67%
Top 15 holdings
Data as of June 30, 2026
ICLN
Bloom Energy Corp.
14.75%
First Solar, Inc.
8.41%
Nextpower, Inc.
7.32%
China Yangtze Power Co., Ltd.
5.78%
Enphase Energy, Inc.
4.87%
Vestas Wind Systems A/S
3.11%
Plug Power, Inc.
2.85%
SolarEdge Technologies, Inc.
2.65%
Equatorial SA
2.56%
Suzlon Energy Ltd.
2.52%
EDP SA
2.25%
Chubu Electric Power Co., Inc.
2.22%
Clearway Energy, Inc.
1.60%
Ørsted A/S
1.55%
Enlight Renewable Energy Ltd.
1.46%
NUKZ
Cameco Corp.
8.71%
GE Vernova, Inc.
4.29%
Samsung C&T Corp.
3.85%
Talen Energy Corp.
3.44%
Rolls-Royce Holdings Plc
3.40%
Endesa SA
3.31%
Dominion Energy, Inc.
3.16%
CEZ as
3.06%
Solstice Advanced Materials, Inc.
3.02%
Vistra Corp.
2.89%
Duke Energy Corp.
2.79%
Fortum Oyj
2.76%
PG&E Corp.
2.70%
Curtiss-Wright Corp.
2.69%
Emerson Electric Co.
2.61%
Frequently asked questions about ICLN and NUKZ
How have the ICLN and NUKZ ETFs performed in 2026?
As of July 24, 2026, ICLN is up 8.82% year-to-date (YTD), while NUKZ has returned 3.02%. That puts ICLN better performer ahead so far this year.
Which ETF is attracting more investor money: ICLN or NUKZ?
Year-to-date, the ICLN ETF saw +$377M in flows, compared to +$46M for NUKZ.
Which ETF is more volatile: ICLN or NUKZ?
Over the past year, ICLN had a volatility of 28.31%, while NUKZ experienced 27.43%.
Which ETF is bigger: ICLN or NUKZ?
As of July 24, 2026, ICLN holds $2.35 B in assets under management (AUM), while NUKZ manages $787.48 M.
What sectors do the ICLN and NUKZ ETFs invest in?
ICLN leans toward sectors like Industrials, Utilities and Technology. Meanwhile, NUKZ focuses on Industrials, Utilities and Energy.
What are the top holdings of the ICLN ETF and NUKZ ETF?
ICLN top holdings include Bloom Energy Corp., First Solar, Inc. and Nextpower, Inc.. NUKZ holds in its top three: Cameco Corp., GE Vernova, Inc. and Samsung C&T Corp..
Which ETF is more diversified: ICLN or NUKZ?
ICLN holds 104 securities with 63.9% of its assets in the top 15. NUKZ has 46 securities and a top 15 weight of 52.67%.
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