Data as of .
TCAI vs THNQ: which is really different?
TCAI and THNQ hold 9% 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
9% 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 THNQ hold 9% of their money in the same securities at the same weight.
| Holding | TCAI | THNQ |
|---|---|---|
| Infineon Technologies AG | 1.93% | 2.67% |
| Arista Networks Inc | 1.71% | 2.21% |
| Nebius Group NV | 1.55% | 2.94% |
| Lumentum Holdings Inc | 0.86% | 2.84% |
| NVIDIA Corp | 0.59% | 2.04% |
| Only in TCAI | Only in THNQ |
|---|---|
| Dell Technologies Inc 8.94% | ADVANCED MICRO DEVICES, INC. 3.46% |
| Micron Technology Inc 7.64% | Global Unichip Corp 2.92% |
| Seagate Technology Holdings PL 5.77% | Astera Labs, Inc 2.71% |
| Western Digital Corp 5.14% | Credo Technology Group Holding Ltd 2.62% |
| Ciena Corp 5.10% | ALPHABET INC. 2.60% |
| Vertiv Holdings Co 4.48% | MediaTek Inc. 2.54% |
| Quanta Services Inc 3.58% | AMBARELLA, INC. 2.47% |
| Sandisk Corp/DE 3.47% | ANALOG DEVICES, INC. 2.42% |
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 Apr 30, 2026 and May 31, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| TCAI | THNQ | TCAI | THNQ | TCAI | THNQ | |
| 3 months | −16.4% | +2.8% | −18.6 pts | +0.6 pts | −13.9 pts | +5.3 pts |
| 6 months | +34.7% | +54.1% | +16.7 pts | +36.1 pts | +10.5 pts | +29.9 pts |
| 1 year | +67.6% | +42.4% | +51.0 pts | +25.8 pts | +45.8 pts | +20.6 pts |
| 3 years | not published | +165.2% | not published | +86.8 pts | not published | +67.0 pts |
| Since launch | +88.8% | +264.4% | +65.8 pts | +79.6 pts | +59.4 pts | +34.3 pts |
| TCAI Tortoise AI Infrastructure ETF Holds 43 stocks in aI infrastructure and chips, 63% of its weight in S&P 500 companies | THNQ ROBO Global(R) Artificial Intelligence ETF Holds 53 stocks in artificial intelligence, 44% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Tortoise | ROBO Global |
| Theme | AI infrastructure and chips | Artificial intelligence |
| In the S&P 500 | 63.2% | 43.9% |
| Active share vs the S&P 500 | 92.7% | 83.1% |
| In the Nasdaq-100 | 26.2% | 38.5% |
| Holdings | 43 | 53 |
| Top ten, share of the fund | 50.6% | 27.8% |
| Expense ratio | 0.65% | 0.68% |
| Fee for the differing part | 0.70% | 0.82% |
| Total return, 1 year | +67.6% | +42.4% |
| vs the S&P 500 | +51.0 pts | +25.8 pts |
| vs the Nasdaq-100 | +45.8 pts | +20.6 pts |
| Below its high | −18.4% | −2.5% |
| Net assets | $217m | $322m |
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.
THNQ in plain words
By weight, 44% of THNQ'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 28% of the fund across 53 positions, as filed for Apr 30, 2026. Over the year to Sep 18, 2026 the fund returned +42.4% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 25.8 pts.
Questions people ask
- Do TCAI and THNQ hold the same stocks?
- By their latest filings, 9% 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 THNQ?
- TCAI has 63% of its weight in S&P 500 names and THNQ has 44%, so TCAI differs more from the index.
- Which is cheaper, TCAI or THNQ?
- TCAI charges 0.65% a year and THNQ charges 0.68%, so TCAI 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 THNQ, data as of Sep 18, 2026. https://etfiq.com/compare/themes/tcai-vs-thnq Free to use with attribution; the underlying files are at Open data.