Data as of .
FAN vs SMOG: which is really different?
FAN and SMOG hold 12% of their weight in the same names, and FAN returned more over the year.
ETFIQ Off-Index Score: FAN 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
12% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, FAN and SMOG hold 12% of their money in the same securities at the same weight.
| Holding | FAN | SMOG |
|---|---|---|
| Vestas Wind Systems A/S | 7.75% | 5.77% |
| Iberdrola S.A. | 2.02% | 8.72% |
| NextEra Energy, Inc. | 1.98% | 7.04% |
| Orsted A/S | 8.05% | 1.94% |
| Enel SpA | 1.88% | 6.41% |
| Acciona, S.A. | 1.99% | 1.19% |
| Nordex SE | 8.34% | 1.17% |
| Northland Power Inc. | 1.93% | 0.72% |
| ERG SpA | 4.07% | 0.29% |
| Only in FAN | Only in SMOG |
|---|---|
| EDP Renewables SA 7.44% | Tesla Inc 8.08% |
| China Longyuan Power Group Corporation L 5.44% | Bloom Energy Corp 7.57% |
| Canadian Dollar 4.66% | Byd Co Ltd 5.40% |
| Cadeler A/S 4.13% | Samsung Sdi Co Ltd 5.14% |
| Goldwind Science & Technology Co., Ltd. 3.21% | First Solar Inc 3.05% |
| CS Wind Corp. 3.18% | Kingspan Group Plc 2.94% |
| Century Iron & Steel Industrial Co., Ltd 2.19% | Rivian Automotive Inc 2.69% |
| GE Vernova Inc. 2.12% | Axia Energia Sa 2.42% |
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 17, 2026 and Sep 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| FAN | SMOG | FAN | SMOG | FAN | SMOG | |
| 3 months | −5.5% | −7.7% | −7.7 pts | −9.9 pts | −3.0 pts | −5.2 pts |
| 6 months | +1.0% | +3.1% | −17.1 pts | −14.9 pts | −23.3 pts | −21.1 pts |
| 1 year | +26.2% | +11.5% | +9.7 pts | −5.0 pts | +4.5 pts | −10.2 pts |
| 3 years | +57.9% | +29.0% | −20.5 pts | −49.4 pts | −40.3 pts | −69.2 pts |
| Since launch | +110.1% | +112.2% | −693.5 pts | −691.3 pts | −1580.2 pts | −1578.0 pts |
| FAN First Trust Global Wind Energy ETF Holds 56 stocks in clean energy, 6% of its weight in S&P 500 companies | SMOG VanEck Low Carbon Energy ETF Holds 55 stocks in clean energy, 18% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | First Trust | VanEck |
| Theme | Clean energy | Clean energy |
| In the S&P 500 | 6.1% | 18.2% |
| Active share vs the S&P 500 | 99.2% | 97.8% |
| In the Nasdaq-100 | 0.0% | 8.1% |
| Holdings | 56 | 55 |
| Top ten, share of the fund | 56.3% | 60.1% |
| Expense ratio | 0.60% | 0.64% |
| Fee for the differing part | 0.60% | 0.65% |
| Total return, 1 year | +26.2% | +11.5% |
| vs the S&P 500 | +9.7 pts | −5.0 pts |
| vs the Nasdaq-100 | +4.5 pts | −10.2 pts |
| Below its high | −13.8% | −23.9% |
| Net assets | $234m | $133m |
FAN in plain words
By weight, 6% of FAN'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 56 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +26.2% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 9.7 pts. It sits 13.8% below its all-time high of May 6, 2026.
SMOG in plain words
By weight, 18% of SMOG'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 55 positions, as published by its issuer for Sep 17, 2026. Over the year to Sep 18, 2026 the fund returned +11.5% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 5.0 pts. It sits 23.9% below its all-time high of Jan 22, 2021.
Questions people ask
- Do FAN and SMOG hold the same stocks?
- By their latest filings, 12% 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, FAN or SMOG?
- FAN has 6% of its weight in S&P 500 names and SMOG has 18%, so FAN differs more from the index.
- Which is cheaper, FAN or SMOG?
- FAN charges 0.60% a year and SMOG charges 0.64%, so FAN 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, FAN against SMOG, data as of Sep 18, 2026. https://etfiq.com/compare/themes/fan-vs-smog Free to use with attribution; the underlying files are at Open data.