Data as of .
QTUM vs XAR: which is really different?
XAR holds 35.0% of its weight in S&P 500 companies and QTUM 34.8%.
ETFIQ Off-Index Score: XAR scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 371 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
What they hold in common
By the books each fund has filed, QTUM and XAR hold 4% of their money in the same securities at the same weight.
| Holding | QTUM | XAR |
|---|---|---|
| Rtx Corp | 1.33% | 3.34% |
| Lockheed Martin Corp | 1.19% | 3.02% |
| Northrop Grumman Corp | 1.14% | 2.86% |
| Only in QTUM | Only in XAR |
|---|---|
| Arqit Quantum Inc 1.82% | VSE CORP 3.33% |
| Global Unichip Corp 1.82% | ATI INC 3.25% |
| Horizon Quantum Holdings Ltd 1.81% | ARCHER AVIATION INC A 3.23% |
| Cloudflare Inc 1.66% | AXON ENTERPRISE INC 3.20% |
| Elastic Nv 1.63% | GENERAL DYNAMICS CORP 3.11% |
| Snowflake Inc 1.63% | GENERAL ELECTRIC 3.04% |
| Hewlett Packard Enterprise Co 1.62% | HEXCEL CORP 2.93% |
| Nutanix Inc 1.58% | BOEING CO/THE 2.93% |
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 10, 2026 and Sep 14, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| QTUM | XAR | QTUM | XAR | QTUM | XAR | |
| 3 months | −8.5% | −12.1% | −11.8 pts | −15.4 pts | −7.7 pts | −11.3 pts |
| 6 months | +35.3% | −7.2% | +19.3 pts | −23.2 pts | +14.6 pts | −27.9 pts |
| 1 year | +50.4% | +11.8% | +32.9 pts | −5.7 pts | +27.4 pts | −11.2 pts |
| 3 years | +204.4% | +114.1% | +126.5 pts | +36.2 pts | +109.3 pts | +19.0 pts |
| Since launch | +536.1% | +1042.3% | +337.3 pts | +288.5 pts | +225.6 pts | −366.6 pts |
| QTUM Defiance Quantum ETF Holds 89 stocks in quantum computing, 35% of its weight in S&P 500 companies | XAR State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF Holds 49 stocks in defense, 35% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Defiance | State Street |
| Theme | Quantum computing | Defense |
| In the S&P 500 | 34.8% | 35.0% |
| Active share vs the S&P 500 | 82.6% | 97.9% |
| In the Nasdaq-100 | 27.2% | 3.2% |
| Holdings | 89 | 49 |
| Top ten, share of the fund | 16.6% | 31.4% |
| Expense ratio | 0.40% | 0.35% |
| Fee for the differing part | 0.48% | 0.36% |
| Total return, 1 year | +50.4% | +11.8% |
| vs the S&P 500 | +32.9 pts | −5.7 pts |
| vs the Nasdaq-100 | +27.4 pts | −11.2 pts |
| Below its high | −12.5% | −17.1% |
QTUM in plain words
By weight, 35% of QTUM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 83%. The top ten holdings are 17% of the fund across 89 positions, as published by its issuer for Sep 14, 2026. Over the year to Sep 11, 2026 the fund returned +50.4% with distributions reinvested against +17.5% for the S&P 500, so a holder was ahead by 32.9 pts. It sits 12.5% below its all-time high of Jun 2, 2026.
XAR in plain words
By weight, 35% of XAR'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 31% of the fund across 49 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +11.8% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 5.7 pts. It sits 17.1% below its all-time high of Aug 14, 2026.
Questions people ask
- Which is more different from the S&P 500, QTUM or XAR?
- QTUM has 35% of its weight in S&P 500 names and XAR has 35%, so XAR differs more from the index.
- Which is cheaper, QTUM or XAR?
- QTUM charges 0.40% a year and XAR charges 0.35%, so XAR 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, QTUM against XAR, data as of Sep 11, 2026. https://etfiq.com/compare/themes/qtum-vs-xar Free to use with attribution; the underlying files are at Open data.