Data as of .
PPA vs XDEF: which is really different?
PPA and XDEF hold 7% of their weight in the same names.
ETFIQ Off-Index Score: XDEF 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
7% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, PPA and XDEF hold 7% of their money in the same securities at the same weight.
| Holding | PPA | XDEF |
|---|---|---|
| AAR Corp | 0.45% | 8.69% |
| Only in PPA | Only in XDEF |
|---|---|
| RTX Corp 8.16% | ROLLS-ROYCE HOLDINGS PLC 8.64% |
| Boeing Co/The 6.87% | SAFRAN SA 8.26% |
| General Electric Co 6.77% | BAE SYSTEMS PLC 7.30% |
| Lockheed Martin Corp 6.67% | RHEINMETALL AG 6.95% |
| Northrop Grumman Corp 5.04% | DSV A/S 4.70% |
| General Dynamics Corp 4.99% | THALES SA 4.40% |
| Howmet Aerospace Inc 3.97% | MTU AERO ENGINES AG 4.29% |
| Parker-Hannifin Corp 3.89% | MELROSE INDUSTRIES PLC 4.28% |
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 May 31, 2026 and Sep 19, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| PPA | XDEF | PPA | XDEF | PPA | XDEF | |
| 3 months | −8.8% | +1.8% | −11.0 pts | −0.5 pts | −6.3 pts | +4.3 pts |
| 6 months | −5.5% | −0.4% | −23.5 pts | −18.5 pts | −29.7 pts | −24.7 pts |
| 1 year | +6.0% | not published | −10.6 pts | not published | −15.8 pts | not published |
| 3 years | +98.2% | not published | +19.8 pts | not published | +0.1 pts | not published |
| Since launch | +985.0% | −99.1% | +181.5 pts | −111.5 pts | −705.2 pts | −117.1 pts |
| PPA Invesco Aerospace & Defense ETF Holds 63 stocks in defense, 72% of its weight in S&P 500 companies | XDEF Xtrackers Europe Defense Technologies ETF Holds 30 stocks in defense, 0% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Invesco | Xtrackers |
| Theme | Defense | Defense |
| In the S&P 500 | 71.7% | 0.0% |
| Active share vs the S&P 500 | 96.4% | 100.0% |
| In the Nasdaq-100 | 4.9% | 0.0% |
| Holdings | 63 | 30 |
| Top ten, share of the fund | 53.6% | 61.5% |
| Expense ratio | 0.58% | 0.35% |
| Fee for the differing part | 0.60% | 0.35% |
| Total return, 1 year | +6.0% | −99.1% (since launch on Jan 2, 2026) |
| vs the S&P 500 | −10.6 pts | −111.5 pts |
| vs the Nasdaq-100 | −15.8 pts | −117.1 pts |
| Below its high | −13.8% | −99.2% |
| Net assets | $7.6bn | $4m |
PPA in plain words
By weight, 72% of PPA'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 54% of the fund across 63 positions, as published by its issuer for Sep 19, 2026. Over the year to Sep 18, 2026 the fund returned +6.0% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 10.6 pts. It sits 13.8% below its all-time high of Mar 2, 2026.
XDEF in plain words
By weight, 0% of XDEF'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 62% of the fund across 30 positions, as filed for May 31, 2026. Since it launched on Jan 2, 2026 the fund returned −99.1% with distributions reinvested against +12.4% for the S&P 500, so a holder was behind by 111.5 pts. It sits 99.2% below its all-time high of Jan 16, 2026.
Questions people ask
- Do PPA and XDEF hold the same stocks?
- By their latest filings, 7% 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, PPA or XDEF?
- PPA has 72% of its weight in S&P 500 names and XDEF has 0%, so XDEF differs more from the index.
- Which is cheaper, PPA or XDEF?
- PPA charges 0.58% a year and XDEF charges 0.35%, so XDEF 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, PPA against XDEF, data as of Sep 18, 2026. https://etfiq.com/compare/themes/ppa-vs-xdef Free to use with attribution; the underlying files are at Open data.