Data as of .
CTEC vs ICLN: which is really different?
CTEC and ICLN hold 24% of their weight in the same names, and ICLN returned more over the year.
ETFIQ Off-Index Score: ICLN scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 379 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it · How it is computed
24% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, CTEC and ICLN hold 24% of their money in the same securities at the same weight.
| Holding | CTEC | ICLN |
|---|---|---|
| BLOOM ENERGY CORP- A | 6.33% | 9.06% |
| NEXTPOWER INC | 4.57% | 6.36% |
| FIRST SOLAR INC | 4.37% | 7.58% |
| ENPHASE ENERGY INC | 1.95% | 4.29% |
| PLUG POWER INC | 1.24% | 2.74% |
| SOLAREDGE TECHNOLOGIES INC | 0.91% | 1.99% |
| SHOALS TECHNOLOGIES GROUP -A | 0.54% | 1.19% |
| CERES POWER HOLDINGS PLC | 0.50% | 0.64% |
| SMA SOLAR TECHNOLOGY AG | 0.96% | 0.38% |
| CANADIAN SOLAR INC | 0.27% | 0.50% |
| Only in CTEC | Only in ICLN |
|---|---|
| EATON CORP PLC 6.40% | CHINA YANGTZE POWER LTD A 7.78% |
| GE VERNOVA INC 6.27% | VESTAS WIND SYSTEMS 4.33% |
| SIEMENS ENERGY AG 6.05% | EQUATORIAL SA 3.36% |
| SCHNEIDER ELECTRIC SE 6.04% | EDP ENERGIAS DE PORTUGAL 2.93% |
| TRANE TECHNOLOGIES PLC 6.01% | CHUBU ELECTRIC POWER INC 2.72% |
| OTHER PAYABLE & RECEIVABLES 4.72% | ENLIGHT RENEWABLE ENERGY 1.98% |
| NORDEX SE 4.54% | CLEARWAY ENERGY INC CLASS C 1.89% |
| PRYSMIAN SPA 4.52% | SUZLON ENERGY 1.85% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| CTEC | ICLN | CTEC | ICLN | CTEC | ICLN | |
| 3 months | −17.9% | −16.8% | −20.1 pts | −19.0 pts | −15.4 pts | −14.3 pts |
| 6 months | −1.6% | −2.5% | −19.7 pts | −20.5 pts | −25.9 pts | −26.8 pts |
| 1 year | +16.4% | +18.0% | −0.2 pts | +1.4 pts | −5.4 pts | −3.8 pts |
| 3 years | +0.5% | +18.6% | −77.9 pts | −59.8 pts | −97.7 pts | −79.5 pts |
| Since launch | −24.1% | +9.3% | −174.5 pts | −794.3 pts | −194.2 pts | −1681.0 pts |
| CTEC Global X ClimateTech ETF Holds 46 stocks in clean energy, 27% of its weight in S&P 500 companies | ICLN iShares Global Clean Energy ETF Holds 138 stocks in clean energy, 8% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Global X | iShares |
| Theme | Clean energy | Clean energy |
| In the S&P 500 | 27.4% | 7.7% |
| Active share vs the S&P 500 | 99.0% | 100.0% |
| In the Nasdaq-100 | 0.0% | 0.0% |
| Holdings | 46 | 138 |
| Top ten, share of the fund | 55.5% | 51.9% |
| Expense ratio | 0.50% | 0.38% |
| Fee for the differing part | 0.51% | 0.38% |
| Total return, 1 year | +16.4% | +18.0% |
| vs the S&P 500 | −0.2 pts | +1.4 pts |
| vs the Nasdaq-100 | −5.4 pts | −3.8 pts |
| Below its high | −59.7% | −43.5% |
| Net assets | $25m | $2.1bn |
CTEC in plain words
By weight, 27% of CTEC's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 56% of the fund across 46 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +16.4% with distributions reinvested against +16.6% for the S&P 500, so a holder was about even. It sits 59.7% below its all-time high of Feb 9, 2021.
ICLN in plain words
By weight, 8% of ICLN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 52% of the fund across 138 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +18.0% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 1.4 pts. It sits 43.5% below its all-time high of Jan 7, 2021.
Questions people ask
- Do CTEC and ICLN hold the same stocks?
- By their latest filings, 24% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, CTEC or ICLN?
- CTEC has 27% of its weight in S&P 500 names and ICLN has 8%, so ICLN differs more from the index.
- Which is cheaper, CTEC or ICLN?
- CTEC charges 0.50% a year and ICLN charges 0.38%, so ICLN is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, CTEC against ICLN, data as of Sep 18, 2026. https://etfiq.com/compare/themes/ctec-vs-icln Free to use with attribution; the underlying files are at Open data.