Data as of .
IDEF vs KWEB: which is really different?
IDEF holds 36.1% of its weight in S&P 500 companies and KWEB 0.0%.
ETFIQ Off-Index Score: KWEB scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 371 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
What they hold in common
By the books each fund has filed, IDEF and KWEB hold 0% of their money in the same securities at the same weight.
| Only in IDEF | Only in KWEB |
|---|---|
| RTX 6.72% | TENCENT HOLDINGS LTD 10.25% |
| PALANTIR TECHNOLOGIES CLASS A 4.71% | ALIBABA GROUP HOLDING LTD 8.61% |
| LOCKHEED MARTIN CORP 3.62% | PDD HOLDINGS INC 8.11% |
| BOEING 3.32% | MEITUAN-CLASS B 7.32% |
| ROLLS-ROYCE HOLDINGS PLC 3.30% | NETEASE INC 6.25% |
| GENERAL DYNAMICS CORP 2.97% | LENOVO GROUP LTD 5.56% |
| USD CASH 2.72% | KE HOLDINGS INC-CL A 4.41% |
| THALES SA 2.61% | JD.COM INC-CLASS A 3.94% |
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 | |||
|---|---|---|---|---|---|---|
| IDEF | KWEB | IDEF | KWEB | IDEF | KWEB | |
| 3 months | −1.9% | −7.1% | −5.2 pts | −10.4 pts | −1.1 pts | −6.3 pts |
| 6 months | −8.5% | −18.4% | −24.5 pts | −34.5 pts | −29.2 pts | −39.1 pts |
| 1 year | +4.9% | −36.0% | −12.6 pts | −53.5 pts | −18.1 pts | −59.0 pts |
| 3 years | not published | −1.9% | not published | −79.8 pts | not published | −97.0 pts |
| Since launch | +26.5% | +20.6% | −6.4 pts | −438.4 pts | −13.6 pts | −919.7 pts |
| IDEF iShares Defense Industrials Active ETF Holds 152 stocks in defense, 36% of its weight in S&P 500 companies | KWEB KraneShares CSI China Internet ETF Holds 45 stocks in internet and e-commerce, 0% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | iShares | KraneShares |
| Theme | Defense | Internet and e-commerce |
| In the S&P 500 | 36.1% | 0.0% |
| Active share vs the S&P 500 | 95.9% | 100.0% |
| In the Nasdaq-100 | 8.5% | 8.1% |
| Holdings | 152 | 45 |
| Top ten, share of the fund | 35.2% | 61.2% |
| Expense ratio | not published | 0.69% |
| Fee for the differing part | not published | 0.69% |
| Total return, 1 year | +4.9% | −36.0% |
| vs the S&P 500 | −12.6 pts | −53.5 pts |
| vs the Nasdaq-100 | −18.1 pts | −59.0 pts |
| Below its high | −13.9% | −71.5% |
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.
KWEB in plain words
By weight, 0% of KWEB's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 61% of the fund across 45 positions, as published by its issuer for Sep 11, 2026. Over the year to Sep 11, 2026 the fund returned −36.0% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 53.5 pts. It sits 71.5% below its all-time high of Feb 17, 2021.
Questions people ask
- Which is more different from the S&P 500, IDEF or KWEB?
- IDEF has 36% of its weight in S&P 500 names and KWEB has 0%, so KWEB 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, IDEF against KWEB, data as of Sep 11, 2026. https://etfiq.com/compare/themes/idef-vs-kweb Free to use with attribution; the underlying files are at Open data.