Data as of .
TCAI vs WTAI: which is really different?
TCAI and WTAI hold 17% of their weight in the same names, and TCAI returned more over the year.
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
17% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, TCAI and WTAI hold 17% of their money in the same securities at the same weight.
| Holding | TCAI | WTAI |
|---|---|---|
| Micron Technology Inc | 7.64% | 5.23% |
| Sandisk Corp/DE | 3.47% | 4.01% |
| Vertiv Holdings Co | 4.48% | 1.66% |
| Credo Technology Group Holding | 3.03% | 1.27% |
| GE Vernova Inc | 1.12% | 1.91% |
| Coherent Corp | 0.96% | 1.73% |
| Lumentum Holdings Inc | 0.86% | 1.90% |
| Nebius Group NV | 1.55% | 0.80% |
| NVIDIA Corp | 0.59% | 3.76% |
| Ciena Corp | 5.10% | 0.50% |
| Cummins Inc | 0.49% | 1.10% |
| Only in TCAI | Only in WTAI |
|---|---|
| Dell Technologies Inc 8.94% | SAMSUNG ELECTRONICS CO LTD 4.37% |
| Seagate Technology Holdings PL 5.77% | KIOXIA HOLDINGS CORP 3.98% |
| Western Digital Corp 5.14% | SK SQUARE CO LTD 3.41% |
| Quanta Services Inc 3.58% | AMAZON.COM INC 3.33% |
| MYR Group Inc 3.29% | ALPHABET INC 3.13% |
| nVent Electric PLC 3.18% | TAIWAN SEMICONDUCTOR MANUFACTURING COMPA 3.04% |
| IREN Ltd 2.78% | PALO ALTO NETWORKS INC 2.86% |
| Constellation Energy Corp 2.70% | META PLATFORMS INC 2.82% |
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 May 31, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| TCAI | WTAI | TCAI | WTAI | TCAI | WTAI | |
| 3 months | −16.4% | −11.4% | −18.6 pts | −13.6 pts | −13.9 pts | −8.9 pts |
| 6 months | +34.7% | +46.3% | +16.7 pts | +28.3 pts | +10.5 pts | +22.1 pts |
| 1 year | +67.6% | +49.7% | +51.0 pts | +33.2 pts | +45.8 pts | +28.0 pts |
| 3 years | not published | +142.4% | not published | +64.0 pts | not published | +44.3 pts |
| Since launch | +88.8% | +74.0% | +65.8 pts | −0.6 pts | +59.4 pts | −14.6 pts |
| TCAI Tortoise AI Infrastructure ETF Holds 43 stocks in aI infrastructure and chips, 63% of its weight in S&P 500 companies | WTAI WisdomTree Artificial Intelligence and Innovation Fund Holds 57 stocks in artificial intelligence, 65% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Tortoise | WisdomTree |
| Theme | AI infrastructure and chips | Artificial intelligence |
| In the S&P 500 | 63.2% | 65.1% |
| Active share vs the S&P 500 | 92.7% | 71.4% |
| In the Nasdaq-100 | 26.2% | 51.7% |
| Holdings | 43 | 57 |
| Top ten, share of the fund | 50.6% | 37.1% |
| Expense ratio | 0.65% | 0.45% |
| Fee for the differing part | 0.70% | 0.63% |
| Total return, 1 year | +67.6% | +49.7% |
| vs the S&P 500 | +51.0 pts | +33.2 pts |
| vs the Nasdaq-100 | +45.8 pts | +28.0 pts |
| Below its high | −18.4% | −12.8% |
| Net assets | $217m | $674m |
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.
WTAI in plain words
By weight, 65% of WTAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 71%. The top ten holdings are 37% of the fund across 57 positions, as filed for Jun 30, 2026. Over the year to Sep 18, 2026 the fund returned +49.7% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 33.2 pts. It sits 12.8% below its all-time high of Jun 22, 2026.
Questions people ask
- Do TCAI and WTAI hold the same stocks?
- By their latest filings, 17% 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, TCAI or WTAI?
- TCAI has 63% of its weight in S&P 500 names and WTAI has 65%, so TCAI differs more from the index.
- Which is cheaper, TCAI or WTAI?
- TCAI charges 0.65% a year and WTAI charges 0.45%, so WTAI 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, TCAI against WTAI, data as of Sep 18, 2026. https://etfiq.com/compare/themes/tcai-vs-wtai Free to use with attribution; the underlying files are at Open data.