Data as of .
AUMI vs REXC: which is really different?
AUMI and REXC hold 0% of their weight in the same names.
ETFIQ Off-Index Score: AUMI 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
0% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, AUMI and REXC hold 0% of their money in the same securities at the same weight.
| Only in AUMI | Only in REXC |
|---|---|
| Endeavour Mining PLC 5.33% | Lynas Rare Earths Ltd. 19.82% |
| DPM Metals Inc 5.26% | MP Materials Corp. 19.11% |
| Anglogold Ashanti Plc 4.91% | USA Rare Earth Inc. 6.23% |
| IAMGOLD Corp 4.86% | Sunrise Energy Metals Ltd. 6.05% |
| Agnico Eagle Mines Ltd 4.76% | Neo Performance Materials Inc. 5.00% |
| Kinross Gold Corp 4.59% | Iluka Resources Ltd. 4.62% |
| Alamos Gold Inc 4.45% | Arafura Rare Earths Ltd. 4.04% |
| Northern Star Resources Ltd 4.34% | Lindian Resources Ltd. 3.85% |
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 Jun 30, 2026 and Sep 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| AUMI | REXC | AUMI | REXC | AUMI | REXC | |
| 3 months | +17.9% | −21.8% | +15.7 pts | −24.0 pts | +20.4 pts | −19.3 pts |
| 6 months | +18.6% | not published | +0.6 pts | not published | −5.6 pts | not published |
| 1 year | +38.2% | not published | +21.6 pts | not published | +16.4 pts | not published |
| Since launch | +286.4% | −22.0% | +218.6 pts | −31.4 pts | +204.9 pts | −35.3 pts |
| AUMI Themes Gold Miners ETF Holds 31 stocks in gold miners, 0% of its weight in S&P 500 companies | REXC Sprott Rare Earths Ex-China ETF Holds 41 stocks in rare earth and critical materials, 0% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Themes | Sprott |
| Theme | Gold miners | Rare earth and critical materials |
| In the S&P 500 | 0.0% | 0.0% |
| Active share vs the S&P 500 | 100.0% | 100.0% |
| In the Nasdaq-100 | 0.0% | 0.0% |
| Holdings | 31 | 41 |
| Top ten, share of the fund | 46.9% | 75.3% |
| Expense ratio | 0.35% | 0.65% |
| Fee for the differing part | 0.35% | 0.65% |
| Total return, 1 year | +38.2% | −22.0% (since launch on Apr 15, 2026) |
| vs the S&P 500 | +21.6 pts | −31.4 pts |
| vs the Nasdaq-100 | +16.4 pts | −35.3 pts |
| Below its high | −19.2% | −31.2% |
| Net assets | $26m | $65m |
AUMI in plain words
By weight, 0% of AUMI'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 47% of the fund across 31 positions, as filed for Jun 30, 2026. Over the year to Sep 18, 2026 the fund returned +38.2% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 21.6 pts. It sits 19.2% below its all-time high of Feb 27, 2026.
REXC in plain words
By weight, 0% of REXC'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 75% of the fund across 41 positions, as published by its issuer for Sep 18, 2026. Since it launched on Apr 15, 2026 the fund returned −22.0% with distributions reinvested against +9.4% for the S&P 500, so a holder was behind by 31.4 pts. It sits 31.2% below its all-time high of May 6, 2026.
Questions people ask
- Do AUMI and REXC 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, AUMI or REXC?
- AUMI has 0% of its weight in S&P 500 names and REXC has 0%, so AUMI differs more from the index.
- Which is cheaper, AUMI or REXC?
- AUMI charges 0.35% a year and REXC charges 0.65%, so AUMI 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, AUMI against REXC, data as of Sep 18, 2026. https://etfiq.com/compare/themes/aumi-vs-rexc Free to use with attribution; the underlying files are at Open data.