Data as of .
ROBT vs WDRN: which is really different?
ROBT and WDRN hold 17% of their weight in the same names.
ETFIQ Off-Index Score: WDRN 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, ROBT and WDRN hold 17% of their money in the same securities at the same weight.
| Holding | ROBT | WDRN |
|---|---|---|
| AeroVironment, Inc. | 1.70% | 1.88% |
| Siemens AG | 1.45% | 2.61% |
| Mobileye Global Inc. (Class A) | 1.49% | 1.31% |
| Intuitive Surgical, Inc. | 1.65% | 1.25% |
| Teradyne, Inc. | 0.78% | 2.20% |
| NXP Semiconductors N.V. | 0.75% | 1.45% |
| Cognex Corporation | 0.74% | 0.75% |
| NVIDIA Corporation | 0.74% | 4.62% |
| Rockwell Automation, Inc. | 0.72% | 1.81% |
| Symbiotic Inc. (Class A) | 1.67% | 0.69% |
| Daifuku Co., Ltd. | 0.70% | 0.65% |
| NIDEC CORP. | 0.83% | 0.65% |
| Only in ROBT | Only in WDRN |
|---|---|
| US Dollar 2.00% | AMPRIUS TECHNOLOGIES INC 4.35% |
| Tempus AI, Inc. (Class A) 1.95% | HARMONIC DRIVE SYSTEMS INC 3.76% |
| Meta Platforms, Inc. (Class A) 1.84% | RED CAT HOLDINGS INC 3.36% |
| Recursion Pharmaceuticals, Inc. (Class A) 1.78% | AURORA INNOVATION INC 3.27% |
| Illumina, Inc. 1.77% | ONDAS INC 2.77% |
| Cloudflare, Inc. (Class A) 1.68% | ALLIENT INC 2.65% |
| SentinelOne, Inc. (Class A) 1.61% | UNUSUAL MACHINES INC 2.52% |
| Dynatrace, Inc. 1.60% | ALLEGRO MICROSYSTEMS INC 2.22% |
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 | WDRN | ROBT | WDRN | ROBT | WDRN | |
| 3 months | +5.1% | −14.7% | +2.8 pts | −17.0 pts | +7.5 pts | −12.2 pts |
| 6 months | +24.1% | not published | +6.0 pts | not published | −0.2 pts | not published |
| 1 year | +9.9% | not published | −6.7 pts | not published | −11.8 pts | not published |
| 3 years | +42.1% | not published | −36.3 pts | not published | −56.0 pts | not published |
| Since launch | +99.4% | −15.3% | −122.5 pts | −17.7 pts | −263.7 pts | −15.7 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 | WDRN WisdomTree Physical AI, Humanoids, and Drones Fund Holds 63 stocks in artificial intelligence, 23% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | First Trust | WisdomTree |
| Theme | Artificial intelligence | Artificial intelligence |
| In the S&P 500 | 32.0% | 23.1% |
| Active share vs the S&P 500 | 84.5% | 92.6% |
| In the Nasdaq-100 | 22.7% | 13.1% |
| Holdings | 120 | 63 |
| Top ten, share of the fund | 17.7% | 35.8% |
| Expense ratio | 0.65% | 0.45% |
| Fee for the differing part | 0.77% | 0.49% |
| Total return, 1 year | +9.9% | −15.3% (since launch on May 14, 2026) |
| vs the S&P 500 | −6.7 pts | −17.7 pts |
| vs the Nasdaq-100 | −11.8 pts | −15.7 pts |
| Below its high | −3.9% | −23.7% |
| Net assets | $766m | $18m |
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.
WDRN in plain words
By weight, 23% of WDRN'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 36% of the fund across 63 positions, as filed for Jun 30, 2026. Since it launched on May 14, 2026 the fund returned −15.3% with distributions reinvested against +2.3% for the S&P 500, so a holder was behind by 17.7 pts. It sits 23.7% below its all-time high of Jun 2, 2026.
Questions people ask
- Do ROBT and WDRN 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, ROBT or WDRN?
- ROBT has 32% of its weight in S&P 500 names and WDRN has 23%, so WDRN differs more from the index.
- Which is cheaper, ROBT or WDRN?
- ROBT charges 0.65% a year and WDRN charges 0.45%, so WDRN 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 WDRN, data as of Sep 18, 2026. https://etfiq.com/compare/themes/robt-vs-wdrn Free to use with attribution; the underlying files are at Open data.