Data as of .
BOTZ vs IDEF: which is really different?
BOTZ and IDEF hold 1% of their weight in the same names, and IDEF returned more over the year.
ETFIQ Off-Index Score: IDEF scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 349 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
1% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, BOTZ and IDEF hold 1% of their money in the same securities at the same weight.
| Holding | BOTZ | IDEF |
|---|---|---|
| RAINBOW ROBOTICS | 1.56% | 0.26% |
| UNUSUAL MACHINES INC /US | 0.28% | 0.20% |
| AEVEX CORP-CL A | 0.23% | 0.18% |
| Only in BOTZ | Only in IDEF |
|---|---|
| FANUC CORP 7.98% | RTX 6.72% |
| ABB LTD-REG 7.80% | PALANTIR TECHNOLOGIES CLASS A 4.71% |
| KEYENCE CORP 7.75% | LOCKHEED MARTIN CORP 3.62% |
| INTUITIVE SURGICAL INC 7.65% | BOEING 3.32% |
| NVIDIA CORP 7.49% | ROLLS-ROYCE HOLDINGS PLC 3.30% |
| SMC CORP 4.59% | GENERAL DYNAMICS CORP 2.97% |
| DAIFUKU CO LTD 3.30% | USD CASH 2.72% |
| AURORA INNOVATION INC 2.71% | THALES SA 2.61% |
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 Sep 10, 2026 and Sep 11, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| BOTZ | IDEF | BOTZ | IDEF | BOTZ | IDEF | |
| 3 months | −4.9% | −1.9% | −8.2 pts | −5.2 pts | −4.1 pts | −1.1 pts |
| 6 months | +1.3% | −8.5% | −14.7 pts | −24.5 pts | −19.4 pts | −29.2 pts |
| 1 year | +3.6% | +4.9% | −13.9 pts | −12.6 pts | −19.4 pts | −18.1 pts |
| 3 years | +38.0% | not published | −39.9 pts | not published | −57.1 pts | not published |
| Since launch | +149.0% | +26.5% | −172.1 pts | −6.4 pts | −416.4 pts | −13.6 pts |
| BOTZ Global X Robotics & Artificial Intelligence ETF Holds 85 stocks in robotics and automation, 22% of its weight in S&P 500 companies | IDEF iShares Defense Industrials Active ETF Holds 152 stocks in defense, 36% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Global X | iShares |
| Theme | Robotics and automation | Defense |
| In the S&P 500 | 21.9% | 36.1% |
| Active share vs the S&P 500 | 88.2% | 95.9% |
| In the Nasdaq-100 | 19.0% | 8.5% |
| Holdings | 85 | 152 |
| Top ten, share of the fund | 54.6% | 35.2% |
| Expense ratio | 0.68% | not published |
| Fee for the differing part | 0.77% | not published |
| Total return, 1 year | +3.6% | +4.9% |
| vs the S&P 500 | −13.9 pts | −12.6 pts |
| vs the Nasdaq-100 | −19.4 pts | −18.1 pts |
| Below its high | −15.2% | −13.9% |
BOTZ in plain words
By weight, 22% of BOTZ's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 88%. The top ten holdings are 55% of the fund across 85 positions, as published by its issuer for Sep 11, 2026. Over the year to Sep 11, 2026 the fund returned +3.6% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 13.9 pts. It sits 15.2% below its all-time high of May 13, 2026.
IDEF in plain words
By weight, 36% of IDEF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 96%. The top ten holdings are 35% of the fund across 152 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +4.9% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 12.6 pts. It sits 13.9% below its all-time high of Mar 2, 2026.
Questions people ask
- Do BOTZ and IDEF hold the same stocks?
- By their latest filings, 1% 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, BOTZ or IDEF?
- BOTZ has 22% of its weight in S&P 500 names and IDEF has 36%, so IDEF differs more from the index.
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, BOTZ against IDEF, data as of Sep 11, 2026. https://etfiq.com/compare/themes/BOTZ-IDEF Free to use with attribution; the underlying files are at Open data.