Data as of .
IDEF vs WR: which is really different?
IDEF and WR hold 24% of their weight in the same names.
ETFIQ Off-Index Score: WR 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
24% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, IDEF and WR hold 24% of their money in the same securities at the same weight.
| Holding | IDEF | WR |
|---|---|---|
| RTX | 6.50% | 5.04% |
| PALANTIR TECHNOLOGIES CLASS A | 4.96% | 5.66% |
| LOCKHEED MARTIN CORP | 3.63% | 3.55% |
| GENERAL DYNAMICS CORP | 2.96% | 2.87% |
| TRANSDIGM GROUP | 0.99% | 1.61% |
| ATI | 0.73% | 1.42% |
| ROCKET LAB CORP | 0.73% | 1.34% |
| HOWMET AEROSPACE | 0.68% | 2.55% |
| BWX TECHNOLOGIES INC | 0.50% | 0.76% |
| AEROVIRONMENT | 0.46% | 0.59% |
| HUNTINGTON INGALLS INDUSTRIES | 0.46% | 0.81% |
| KRATOS DEFENSE AND SECURITY SOLUTI | 0.45% | 0.74% |
| Only in IDEF | Only in WR |
|---|---|
| BLK CSH FND TREASURY SL AGENCY 3.70% | ExxonMobil Holdings Corp 8.60% |
| ROLLS-ROYCE HOLDINGS PLC 3.34% | Chevron Corp 6.37% |
| BOEING 3.16% | Marathon Petroleum Corp 4.41% |
| AIRBUS GROUP 2.57% | Valero Energy Corp 4.29% |
| NORTHROP GRUMMAN CORP 2.55% | Phillips 66 4.04% |
| SPACE EXPLORATION TECHNOLOGIES COR 2.46% | ConocoPhillips 3.90% |
| HANWHA AEROSPACE LTD 2.24% | EOG Resources Inc 2.67% |
| BAE SYSTEMS PLC 2.19% | Williams Cos Inc/The 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 17, 2026 and Sep 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| IDEF | WR | IDEF | WR | IDEF | WR | |
| 3 months | −1.6% | +11.1% | −3.9 pts | +8.8 pts | +0.9 pts | +13.6 pts |
| 6 months | −5.7% | not published | −23.8 pts | not published | −30.0 pts | not published |
| 1 year | +4.4% | not published | −12.2 pts | not published | −17.4 pts | not published |
| Since launch | +27.2% | +7.9% | −5.6 pts | +3.6 pts | −14.2 pts | +4.1 pts |
| IDEF iShares Defense Industrials Active ETF Holds 155 stocks in defense, 36% of its weight in S&P 500 companies | WR Corgi U.S. War Machine ETF Holds 57 stocks in defense, 70% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | iShares | Corgi |
| Theme | Defense | Defense |
| In the S&P 500 | 36.2% | 70.0% |
| Active share vs the S&P 500 | 95.9% | 96.6% |
| In the Nasdaq-100 | 9.2% | 9.2% |
| Holdings | 155 | 57 |
| Top ten, share of the fund | 35.8% | 48.7% |
| Expense ratio | not published | not published |
| Fee for the differing part | not published | not published |
| Total return, 1 year | +4.4% | +7.9% (since launch on May 6, 2026) |
| vs the S&P 500 | −12.2 pts | +3.6 pts |
| vs the Nasdaq-100 | −17.4 pts | +4.1 pts |
| Below its high | −13.4% | −3.9% |
| Net assets | $4.3bn | $945,672 |
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 36% of the fund across 155 positions, as published by its issuer for Sep 17, 2026. Over the year to Sep 18, 2026 the fund returned +4.4% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 12.2 pts. It sits 13.4% below its all-time high of Mar 2, 2026.
WR in plain words
By weight, 70% of WR's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 97%. The top ten holdings are 49% of the fund across 57 positions, as published by its issuer for Sep 18, 2026. Since it launched on May 6, 2026 the fund returned +7.9% with distributions reinvested against +4.3% for the S&P 500, so a holder was ahead by 3.6 pts.
Questions people ask
- Do IDEF and WR hold the same stocks?
- By their latest filings, 24% 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, IDEF or WR?
- IDEF has 36% of its weight in S&P 500 names and WR has 70%, so WR 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 WR, data as of Sep 18, 2026. https://etfiq.com/compare/themes/idef-vs-wr Free to use with attribution; the underlying files are at Open data.