Data as of .
ROBT vs WTAI: which is really different?
ROBT and WTAI hold 22% of their weight in the same names, and WTAI returned more over the year.
ETFIQ Off-Index Score: ROBT 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
22% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, ROBT and WTAI hold 22% of their money in the same securities at the same weight.
| Holding | ROBT | WTAI |
|---|---|---|
| Meta Platforms, Inc. (Class A) | 1.84% | 2.82% |
| Cisco Systems, Inc. | 1.57% | 1.70% |
| Palo Alto Networks, Inc. | 1.50% | 2.86% |
| Cloudflare, Inc. (Class A) | 1.68% | 1.36% |
| ServiceNow, Inc. | 1.45% | 0.99% |
| Advanced Micro Devices, Inc. | 0.87% | 2.29% |
| Marvell Technology, Inc. | 0.85% | 2.30% |
| SK Hynix Inc. | 0.81% | 2.55% |
| Micron Technology, Inc. | 0.78% | 5.23% |
| Teradyne, Inc. | 0.78% | 2.09% |
| QUALCOMM Incorporated | 0.77% | 0.82% |
| Taiwan Semiconductor Manufacturing Company Limited (ADR) | 0.77% | 3.04% |
| Only in ROBT | Only in WTAI |
|---|---|
| US Dollar 2.00% | SANDISK CORP 4.01% |
| Tempus AI, Inc. (Class A) 1.95% | KIOXIA HOLDINGS CORP 3.98% |
| Recursion Pharmaceuticals, Inc. (Class A) 1.78% | SK SQUARE CO LTD 3.41% |
| Illumina, Inc. 1.77% | ORACLE CORP 1.98% |
| AeroVironment, Inc. 1.70% | GE VERNOVA INC 1.91% |
| Symbiotic Inc. (Class A) 1.67% | LUMENTUM HOLDINGS INC 1.90% |
| Intuitive Surgical, Inc. 1.65% | DIGITALOCEAN HOLDINGS INC 1.74% |
| SentinelOne, Inc. (Class A) 1.61% | COHERENT CORP 1.73% |
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 | |||
|---|---|---|---|---|---|---|
| ROBT | WTAI | ROBT | WTAI | ROBT | WTAI | |
| 3 months | +5.1% | −11.4% | +2.8 pts | −13.6 pts | +7.5 pts | −8.9 pts |
| 6 months | +24.1% | +46.3% | +6.0 pts | +28.3 pts | −0.2 pts | +22.1 pts |
| 1 year | +9.9% | +49.7% | −6.7 pts | +33.2 pts | −11.8 pts | +28.0 pts |
| 3 years | +42.1% | +142.4% | −36.3 pts | +64.0 pts | −56.0 pts | +44.3 pts |
| Since launch | +99.4% | +74.0% | −122.5 pts | −0.6 pts | −263.7 pts | −14.6 pts |
| ROBT First Trust Nasdaq Artificial Intelligence and Robotics ETF Holds 120 stocks in artificial intelligence, 32% 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 | First Trust | WisdomTree |
| Theme | Artificial intelligence | Artificial intelligence |
| In the S&P 500 | 32.0% | 65.1% |
| Active share vs the S&P 500 | 84.5% | 71.4% |
| In the Nasdaq-100 | 22.7% | 51.7% |
| Holdings | 120 | 57 |
| Top ten, share of the fund | 17.7% | 37.1% |
| Expense ratio | 0.65% | 0.45% |
| Fee for the differing part | 0.77% | 0.63% |
| Total return, 1 year | +9.9% | +49.7% |
| vs the S&P 500 | −6.7 pts | +33.2 pts |
| vs the Nasdaq-100 | −11.8 pts | +28.0 pts |
| Below its high | −3.9% | −12.8% |
| Net assets | $766m | $674m |
ROBT in plain words
By weight, 32% of ROBT's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 84%. The top ten holdings are 18% of the fund across 120 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +9.9% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 6.7 pts.
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 ROBT and WTAI hold the same stocks?
- By their latest filings, 22% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, ROBT or WTAI?
- ROBT has 32% of its weight in S&P 500 names and WTAI has 65%, so ROBT differs more from the index.
- Which is cheaper, ROBT or WTAI?
- ROBT 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, ROBT against WTAI, data as of Sep 18, 2026. https://etfiq.com/compare/themes/robt-vs-wtai Free to use with attribution; the underlying files are at Open data.