Data as of .
AIX vs TCAI: which is really different?
AIX and TCAI hold 6% of their weight in the same names.
ETFIQ Off-Index Score: TCAI 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
6% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, AIX and TCAI hold 6% of their money in the same securities at the same weight.
| Holding | AIX | TCAI |
|---|---|---|
| Micron Technology Inc | 5.27% | 7.64% |
| Nvidia Corp | 5.07% | 0.59% |
| Only in AIX | Only in TCAI |
|---|---|
| Palantir Technologies Inc 6.26% | Dell Technologies Inc 8.94% |
| Microsoft Corp 5.73% | Seagate Technology Holdings PL 5.77% |
| Advanced Micro Devices Inc 5.69% | Western Digital Corp 5.14% |
| Meta Platforms Inc 5.38% | Ciena Corp 5.10% |
| Apple Inc 5.30% | Vertiv Holdings Co 4.48% |
| Amazon.com Inc 4.84% | Quanta Services Inc 3.58% |
| Space Exploration Technologies Corp 4.75% | Sandisk Corp/DE 3.47% |
| Intel Corp 4.64% | MYR Group Inc 3.29% |
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 May 31, 2026 and Sep 21, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| AIX | TCAI | AIX | TCAI | AIX | TCAI | |
| 3 months | not published | −16.4% | not published | −18.6 pts | not published | −13.9 pts |
| 6 months | not published | +34.7% | not published | +16.7 pts | not published | +10.5 pts |
| 1 year | not published | +67.6% | not published | +51.0 pts | not published | +45.8 pts |
| Since launch | −4.6% | +88.8% | −6.9 pts | +65.8 pts | −2.6 pts | +59.4 pts |
| AIX Defiance US 100 Tech AI Moat ETF Holds 32 stocks in artificial intelligence, 88% of its weight in S&P 500 companies | TCAI Tortoise AI Infrastructure ETF Holds 43 stocks in aI infrastructure and chips, 63% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Defiance | Tortoise |
| Theme | Artificial intelligence | AI infrastructure and chips |
| In the S&P 500 | 88.0% | 63.2% |
| Active share vs the S&P 500 | 64.0% | 92.7% |
| In the Nasdaq-100 | 94.3% | 26.2% |
| Holdings | 32 | 43 |
| Top ten, share of the fund | 52.9% | 50.6% |
| Expense ratio | 0.65% | 0.65% |
| Fee for the differing part | 1.02% | 0.70% |
| Total return, 1 year | −4.6% (since launch on Jun 30, 2026) | +67.6% |
| vs the S&P 500 | −6.9 pts | +51.0 pts |
| vs the Nasdaq-100 | −2.6 pts | +45.8 pts |
| Below its high | −4.6% | −18.4% |
| Net assets | $482,327 | $217m |
AIX in plain words
By weight, 88% of AIX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 64%. The top ten holdings are 53% of the fund across 32 positions, as published by its issuer for Sep 21, 2026. Since it launched on Jun 30, 2026 the fund returned −4.6% with distributions reinvested against +2.3% for the S&P 500, so a holder was behind by 6.9 pts.
TCAI in plain words
By weight, 63% of TCAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 93%. The top ten holdings are 51% of the fund across 43 positions, as filed for May 31, 2026. Over the year to Sep 18, 2026 the fund returned +67.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 51.0 pts. It sits 18.4% below its all-time high of Jun 22, 2026.
Questions people ask
- Do AIX and TCAI hold the same stocks?
- By their latest filings, 6% 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, AIX or TCAI?
- AIX has 88% of its weight in S&P 500 names and TCAI has 63%, so TCAI differs more from the index.
- Which is cheaper, AIX or TCAI?
- AIX charges 0.65% a year and TCAI charges 0.65%, so AIX 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, AIX against TCAI, data as of Sep 18, 2026. https://etfiq.com/compare/themes/aix-vs-tcai Free to use with attribution; the underlying files are at Open data.