Data as of . Every figure is the themes desk's own, on published data.
QTUM vs TAN
Defiance Quantum ETF and Invesco Solar ETF, side by side on the themes desk.
0% of the two portfolios are the same securities at the same weight.
Open the live comparison on ETFIQ| QTUM Defiance Quantum ETF | TAN Invesco Solar ETF | |
|---|---|---|
| Issuer | Defiance | Invesco |
| Theme | Quantum computing | Clean energy |
| In the S&P 500 | 35.6% | 11.7% |
| Active share vs the S&P 500 | 83.5% | 100.0% |
| In the Nasdaq-100 | 27.8% | 0.0% |
| Holdings | 86 | 31 |
| Top ten, share of the fund | 17.0% | 65.2% |
| Expense ratio | 0.40% | 0.70% |
| Fee for the differing part | 0.48% | 0.70% |
| Total return, 1 year | +58.6% | +14.3% |
| vs the S&P 500 | +38.7 pts | −5.6 pts |
| vs the Nasdaq-100 | +33.0 pts | −11.3 pts |
| Below its high | −12.2% | −60.4% |
QTUM in plain words
By weight, 36% of QTUM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 84%. The top ten holdings are 17% of the fund across 86 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +58.6% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 38.7 pts. It sits 12.2% below its all-time high of Jun 2, 2026.
TAN in plain words
By weight, 12% 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 65% of the fund across 31 positions, as filed for May 31, 2026. Over the year to Sep 4, 2026 the fund returned +14.3% with distributions reinvested against +20.0% for the S&P 500, so a holder was behind by 5.6 pts. It sits 60.4% below its all-time high of Feb 9, 2021.
Questions people ask
- Do QTUM and TAN hold the same stocks?
- By their latest filings, 0% 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, QTUM or TAN?
- QTUM has 36% of its weight in S&P 500 names and TAN has 12%, so TAN differs more from the index.
- Which is cheaper, QTUM or TAN?
- QTUM charges 0.40% a year and TAN charges 0.70%, so QTUM is cheaper. Fees come from each fund's prospectus.
Other comparisons
Cite this page. ETFIQ, QTUM against TAN, data as of Sep 4, 2026. https://etfiq.com/compare/themes/QTUM-TAN.html Free to use with attribution; the underlying files are at Open data.
ETFIQ is an independent publisher of exchange-traded fund data. It is not a fund issuer, broker-dealer or investment adviser, and it makes no recommendations; every figure here is stated arithmetic on published data. Standards and sources