Data as of .
CTEC vs TAN: which is really different?
CTEC and TAN hold 15% of their weight in the same names, and CTEC returned more over the year.
ETFIQ Off-Index Score: TAN 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
15% 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 TAN hold 15% of their money in the same securities at the same weight.
| Holding | CTEC | TAN |
|---|---|---|
| NEXTPOWER INC | 4.57% | 8.84% |
| FIRST SOLAR INC | 4.37% | 9.81% |
| ENPHASE ENERGY INC | 1.95% | 6.37% |
| XINYI SOLAR HOLDINGS LTD | 1.01% | 2.78% |
| SMA SOLAR TECHNOLOGY AG | 0.96% | 3.02% |
| SOLAREDGE TECHNOLOGIES INC | 0.91% | 3.86% |
| SHOALS TECHNOLOGIES GROUP -A | 0.54% | 2.85% |
| CANADIAN SOLAR INC | 0.27% | 1.46% |
| Only in CTEC | Only in TAN |
|---|---|
| EATON CORP PLC 6.40% | Enlight Renewable Energy Ltd 8.19% |
| BLOOM ENERGY CORP- A 6.33% | Doral Group Renewable Energy Resources Ltd 4.68% |
| GE VERNOVA INC 6.27% | HA Sustainable Infrastructure Capital Inc 4.39% |
| SIEMENS ENERGY AG 6.05% | GCL Technology Holdings Ltd 4.35% |
| SCHNEIDER ELECTRIC SE 6.04% | Sunrun Inc 3.86% |
| TRANE TECHNOLOGIES PLC 6.01% | Clearway Energy Inc 3.64% |
| OTHER PAYABLE & RECEIVABLES 4.72% | Solaria Energia y Medio Ambiente SA 3.42% |
| NORDEX SE 4.54% | OY Nofar Energy Ltd 2.89% |
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 and Sep 19, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| CTEC | TAN | CTEC | TAN | CTEC | TAN | |
| 3 months | −17.9% | −24.6% | −20.1 pts | −26.9 pts | −15.4 pts | −22.1 pts |
| 6 months | −1.6% | −17.2% | −19.7 pts | −35.2 pts | −25.9 pts | −41.5 pts |
| 1 year | +16.4% | +6.7% | −0.2 pts | −9.9 pts | −5.4 pts | −15.1 pts |
| 3 years | +0.5% | −15.9% | −77.9 pts | −94.3 pts | −97.7 pts | −114.0 pts |
| Since launch | −24.1% | −41.6% | −174.5 pts | −845.2 pts | −194.2 pts | −1731.9 pts |
| CTEC Global X ClimateTech ETF Holds 46 stocks in clean energy, 27% of its weight in S&P 500 companies | TAN Invesco Solar ETF Holds 45 stocks in clean energy, 10% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Global X | Invesco |
| Theme | Clean energy | Clean energy |
| In the S&P 500 | 27.4% | 9.8% |
| Active share vs the S&P 500 | 99.0% | 100.0% |
| In the Nasdaq-100 | 0.0% | 0.0% |
| Holdings | 46 | 45 |
| Top ten, share of the fund | 55.5% | 58.0% |
| Expense ratio | 0.50% | 0.70% |
| Fee for the differing part | 0.51% | 0.70% |
| Total return, 1 year | +16.4% | +6.7% |
| vs the S&P 500 | −0.2 pts | −9.9 pts |
| vs the Nasdaq-100 | −5.4 pts | −15.1 pts |
| Below its high | −59.7% | −62.3% |
| Net assets | $25m | $953m |
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.
TAN in plain words
By weight, 10% of TAN'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 58% of the fund across 45 positions, as published by its issuer for Sep 19, 2026. Over the year to Sep 18, 2026 the fund returned +6.7% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 9.9 pts. It sits 62.3% below its all-time high of Feb 9, 2021.
Questions people ask
- Do CTEC and TAN hold the same stocks?
- By their latest filings, 15% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, CTEC or TAN?
- CTEC has 27% of its weight in S&P 500 names and TAN has 10%, so TAN differs more from the index.
- Which is cheaper, CTEC or TAN?
- CTEC charges 0.50% a year and TAN charges 0.70%, 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 TAN, data as of Sep 18, 2026. https://etfiq.com/compare/themes/ctec-vs-tan Free to use with attribution; the underlying files are at Open data.