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 Utilities, Industrials and Information 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 21.87% year-to-date (YTD) with +$101M in YTD flows. NUKZ performs worse with 15.59% YTD performance, and +$29M 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 04/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ICLN NUKZ | +9.19%+10.69% | +9.65%+3.57% | +21.87%+15.59% | +73.58%+93.40% | +6.14%n/a | -12.72%n/a |
| Flows | ICLN NUKZ | +$78M-$6M | +$101M+$9M | +$101M+$29M | +$188M+$433M | -$1.68B- | -$1.44B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ICLN NUKZ | +29.40%+28.58% | +23.51%+26.38% | +22.69%n/a | +25.57%n/a |
| Max drawdown | ICLN NUKZ | -8.79%-14.25% | -10.55%-16.61% | -44.44%n/a | -56.66%n/a |
| Max drawdown duration | ICLN NUKZ | 47d51d | 77d119d | 1009dn/a | 1635dn/a |
Trading data
ICLN | NUKZ | |
Last sale 4/24/2026 at 1:30 PM | $19.99 | $73.54 |
| Previous close 04/23/2026 | $20.14 | $73.50 |
| Consolidated volume 04/23/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 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 4/24/2026 at 1:30 PM
Live
Closed
ICLN | NUKZ | |
|---|---|---|
| Last price | $19.99 | $73.54 |
| 1D performance | -0.74% | +0.05% |
| AuM | $2.42 B | $868.20 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 | 90 | 37 |
| 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
42.34%
China
17.6%
Brazil
8.48%
Spain
8.19%
Other
23.39%
NUKZ
USA
41.23%
Canada
11.98%
Republic of Korea
8.81%
Japan
7.1%
Other
30.88%
Sectors
ICLN
Utilities
43.42%
Industrials
25.6%
Information Techn.
14.4%
Other
16.58%
NUKZ
Industrials
34.24%
Utilities
27.93%
Energy
14.12%
Other
23.71%
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Diversification
ICLN
Total weight of top 15 holdings out of 15
60.24%
NUKZ
Total weight of top 15 holdings out of 15
49.72%
Top 15 holdings
Data as of March 31, 2026
ICLN
US65290E1010
10.17%
BLOOM ENERGY CORP
9.40%
FIRST SOLAR
6.13%
IBERDROLA SA
5.76%
YANGTZE POWER
4.70%
ORMAT TECHNOLOGIES
3.19%
ENPHASE ENERGY
3.04%
EQUATORIAL ENERGIA
2.90%
VESTAS WIND SYSTEMS
2.69%
ENERGIAS DE PORTUGAL
2.24%
CHUBU ELECTRIC POWER
2.11%
ORSTED
2.08%
CLEARWAY ENERGY INC
2.05%
PLUG POWER
1.93%
SOLAREDGE TECH/D
1.87%
NUKZ
CAMECO
9.70%
US36828A1016
3.33%
ENDESA SA
3.15%
CEZ
3.07%
FORTUM
3.03%
DUKE ENERGY
3.01%
DOMINION ENERGY
2.98%
PG&E
2.95%
VISTRA CORP
2.86%
CONSTELLATION ENERGY CORP
2.81%
ROLLS-ROYCE HOLDINGS
2.76%
KOREA ELEC POWER
2.57%
CURTISS WRIGHT
2.52%
EMERSON ELECTRIC
2.50%
US46982L1089
2.48%
Frequently asked questions about ICLN and NUKZ
How have the ICLN and NUKZ ETFs performed in 2026?
As of April 24, 2026, ICLN is up 21.87% year-to-date (YTD), while NUKZ has returned 15.59%. 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 +$101M in flows, compared to +$29M for NUKZ.
Which ETF is more volatile: ICLN or NUKZ?
Over the past year, ICLN had a volatility of 23.51%, while NUKZ experienced 26.38%.
Which ETF is bigger: ICLN or NUKZ?
As of April 24, 2026, ICLN holds $2.42 B in assets under management (AUM), while NUKZ manages $868.20 M.
What sectors do the ICLN and NUKZ ETFs invest in?
ICLN leans toward sectors like Utilities, Industrials and Information 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 US65290E1010, BLOOM ENERGY CORP and FIRST SOLAR. NUKZ holds in its top three: CAMECO, US36828A1016 and ENDESA SA.
Which ETF is more diversified: ICLN or NUKZ?
ICLN holds 100 securities with 60.24% of its assets in the top 15. NUKZ has 38 securities and a top 15 weight of 49.72%.
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