Data as of .
CTEC vs QCLN: which is really different?
CTEC and QCLN hold 20% of their weight in the same names.
ETFIQ Off-Index Score: CTEC 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
20% 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 QCLN hold 20% of their money in the same securities at the same weight.
| Holding | CTEC | QCLN |
|---|---|---|
| BLOOM ENERGY CORP- A | 6.33% | 10.51% |
| NEXTPOWER INC | 4.57% | 4.00% |
| FIRST SOLAR INC | 4.37% | 3.96% |
| ENPHASE ENERGY INC | 1.95% | 1.57% |
| PLUG POWER INC | 1.24% | 1.00% |
| SOLAREDGE TECHNOLOGIES INC | 0.91% | 0.73% |
| EOS ENERGY ENTERPRISES INC | 0.61% | 0.50% |
| AMPRIUS TECHNOLOGIES INC | 0.59% | 0.48% |
| SHOALS TECHNOLOGIES GROUP -A | 0.54% | 0.44% |
| FLUENCE ENERGY INC | 0.45% | 0.36% |
| AMERESCO INC-CL A | 0.32% | 0.29% |
| Only in CTEC | Only in QCLN |
|---|---|
| EATON CORP PLC 6.40% | Tesla, Inc. 8.08% |
| GE VERNOVA INC 6.27% | Monolithic Power Systems, Inc. 7.84% |
| SIEMENS ENERGY AG 6.05% | ON Semiconductor Corporation 7.71% |
| SCHNEIDER ELECTRIC SE 6.04% | Rivian Automotive, Inc. (Class A) 6.89% |
| TRANE TECHNOLOGIES PLC 6.01% | Advanced Energy Industries, Inc. 3.61% |
| OTHER PAYABLE & RECEIVABLES 4.72% | Enlight Renewable Energy Ltd. 3.60% |
| NORDEX SE 4.54% | Albemarle Corporation 3.35% |
| PRYSMIAN SPA 4.52% | Acuity Inc. 3.12% |
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 | QCLN | CTEC | QCLN | CTEC | QCLN | |
| 3 months | −17.9% | −25.6% | −20.1 pts | −27.8 pts | −15.4 pts | −23.1 pts |
| 6 months | −1.6% | +4.5% | −19.7 pts | −13.6 pts | −25.9 pts | −19.8 pts |
| 1 year | +16.4% | +16.1% | −0.2 pts | −0.5 pts | −5.4 pts | −5.7 pts |
| 3 years | +0.5% | +7.8% | −77.9 pts | −70.6 pts | −97.7 pts | −90.4 pts |
| Since launch | −24.1% | +222.2% | −174.5 pts | −581.4 pts | −194.2 pts | −1468.0 pts |
| CTEC Global X ClimateTech ETF Holds 46 stocks in clean energy, 27% of its weight in S&P 500 companies | QCLN First Trust Nasdaq Clean Edge Green Energy Index Fund Holds 58 stocks in clean energy, 31% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Global X | First Trust |
| Theme | Clean energy | Clean energy |
| In the S&P 500 | 27.4% | 30.9% |
| Active share vs the S&P 500 | 99.0% | 97.9% |
| In the Nasdaq-100 | 0.0% | 15.9% |
| Holdings | 46 | 58 |
| Top ten, share of the fund | 55.5% | 59.5% |
| Expense ratio | 0.50% | 0.59% |
| Fee for the differing part | 0.51% | 0.60% |
| Total return, 1 year | +16.4% | +16.1% |
| vs the S&P 500 | −0.2 pts | −0.5 pts |
| vs the Nasdaq-100 | −5.4 pts | −5.7 pts |
| Below its high | −59.7% | −44.6% |
| Net assets | $25m | $546m |
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.
QCLN in plain words
By weight, 31% of QCLN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 60% of the fund across 58 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +16.1% with distributions reinvested against +16.6% for the S&P 500, so a holder was about even. It sits 44.6% below its all-time high of Feb 9, 2021.
Questions people ask
- Do CTEC and QCLN hold the same stocks?
- By their latest filings, 20% 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 QCLN?
- CTEC has 27% of its weight in S&P 500 names and QCLN has 31%, so CTEC differs more from the index.
- Which is cheaper, CTEC or QCLN?
- CTEC charges 0.50% a year and QCLN charges 0.59%, so CTEC 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 QCLN, data as of Sep 18, 2026. https://etfiq.com/compare/themes/ctec-vs-qcln Free to use with attribution; the underlying files are at Open data.