Data as of .
IDEF vs SHLD: which is really different?
SHLD holds 40.5% of its weight in S&P 500 companies and IDEF 36.1%.
ETFIQ Off-Index Score: SHLD 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 SHLD hold 26% of their money in the same securities at the same weight.
| Holding | IDEF | SHLD |
|---|---|---|
| RTX | 6.72% | 9.40% |
| PALANTIR TECHNOLOGIES CLASS A | 4.71% | 10.28% |
| LOCKHEED MARTIN CORP | 3.62% | 8.26% |
| GENERAL DYNAMICS CORP | 2.97% | 8.73% |
| NORTHROP GRUMMAN CORP | 2.56% | 7.86% |
| KOREA AEROSPACE INDUSTRIES | 1.24% | 0.99% |
| BWX TECHNOLOGIES INC | 0.53% | 2.12% |
| HUNTINGTON INGALLS INDUSTRIES | 0.47% | 1.70% |
| KRATOS DEFENSE AND SECURITY SOLUTI | 0.45% | 1.34% |
| L3HARRIS TECHNOLOGIES | 0.44% | 3.72% |
| PARSONS CORP | 0.44% | 0.75% |
| AEROVIRONMENT | 0.42% | 0.86% |
| Only in IDEF | Only in SHLD |
|---|---|
| BOEING 3.32% | BAE SYSTEMS PLC 4.54% |
| ROLLS-ROYCE HOLDINGS PLC 3.30% | HANWHA AEROSPACE CO LTD 4.04% |
| USD CASH 2.72% | RHEINMETALL AG 3.82% |
| THALES SA 2.61% | THALES SA 3.67% |
| SPACE EXPLORATION TECHNOLOGIES COR 2.38% | LEONARDO SPA 3.63% |
| HANWHA AEROSPACE LTD 2.28% | SAAB AB-B 3.39% |
| BAE SYSTEMS PLC 2.11% | ELBIT SYSTEMS LTD 3.15% |
| GE AEROSPACE 1.90% | KONGSBERG GRUPPEN ASA 2.09% |
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 | SHLD | IDEF | SHLD | IDEF | SHLD | |
| 3 months | −1.9% | −2.9% | −5.2 pts | −6.2 pts | −1.1 pts | −2.1 pts |
| 6 months | −8.5% | −18.1% | −24.5 pts | −34.1 pts | −29.2 pts | −38.8 pts |
| 1 year | +4.9% | −4.8% | −12.6 pts | −22.4 pts | −18.1 pts | −27.8 pts |
| Since launch | +26.5% | +153.8% | −6.4 pts | +76.2 pts | −13.6 pts | +59.5 pts |
| IDEF iShares Defense Industrials Active ETF Holds 152 stocks in defense, 36% of its weight in S&P 500 companies | SHLD Global X Defense Tech ETF Holds 52 stocks in defense, 40% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | iShares | Global X |
| Theme | Defense | Defense |
| In the S&P 500 | 36.1% | 40.5% |
| Active share vs the S&P 500 | 95.9% | 99.1% |
| In the Nasdaq-100 | 8.5% | 0.0% |
| Holdings | 152 | 52 |
| Top ten, share of the fund | 35.2% | 64.3% |
| Expense ratio | not published | 0.50% |
| Fee for the differing part | not published | 0.50% |
| Total return, 1 year | +4.9% | −4.8% |
| vs the S&P 500 | −12.6 pts | −22.4 pts |
| vs the Nasdaq-100 | −18.1 pts | −27.8 pts |
| Below its high | −13.9% | −20.6% |
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.
SHLD in plain words
By weight, 40% of SHLD's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 64% of the fund across 52 positions, as published by its issuer for Sep 11, 2026. Over the year to Sep 11, 2026 the fund returned −4.8% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 22.4 pts. It sits 20.6% below its all-time high of Mar 9, 2026.
Questions people ask
- Which is more different from the S&P 500, IDEF or SHLD?
- IDEF has 36% of its weight in S&P 500 names and SHLD has 40%, so SHLD 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 SHLD, data as of Sep 11, 2026. https://etfiq.com/compare/themes/idef-vs-shld Free to use with attribution; the underlying files are at Open data.