IDEFvsPPAETF Comparison
ETF 1
IDEF
iShares Defense Industrials Active ETF
VS
ETF 2
PPA
Invesco Aerospace & Defense ETF
iShares Defense Industrials Active ETF (IDEF) and Invesco Aerospace & Defense ETF (PPA) belong to the same industry segment: . Both ETFs have the same top 3 sector exposures: Industrials, Technology and Non-Energy Materials. IDEF is less expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.58% for PPA. IDEF is up 5.24% year-to-date (YTD) with +$4.48B in YTD flows. PPA performs better with 13.5% YTD performance, and +$636M in YTD flows. Run a side-by-side ETF comparison of IDEF and PPA below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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IDEF vs PPA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IDEF PPA | +3.48%+2.67% | -1.24%+7.40% | +5.24%+13.50% | +13.19%+21.14% | n/a+112.71% | n/a+143.19% |
| Flows | IDEF PPA | +$99M-$378M | +$825M-$81M | +$4.48B+$636M | +$4.49B+$1.01B | -+$2.88B | -+$3.96B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IDEF PPA | +23.95%+23.61% | +21.62%+20.53% | n/a+18.34% | n/a+18.61% |
| Max drawdown | IDEF PPA | -9.59%-8.09% | -15.58%-13.68% | n/a-15.16% | n/a-18.41% |
| Max drawdown duration | IDEF PPA | 58d22d | 148d148d | n/a171d | n/a227d |
Trading data
IDEF | PPA | |
Last sale 7/28/2026 at 1:30 PM | $32.43 | $177.66 |
| Previous close 07/28/2026 | $32.40 | $177.18 |
| Consolidated volume 07/28/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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IDEF
is actively managed and doesn’t replicate an indexIDEF | PPA | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/28/2026 at 1:30 PM
Live
Closed
IDEF | PPA | |
|---|---|---|
| Last price | $32.43 | $177.66 |
| 1D performance | +0.09% | +0.27% |
| AuM | $4.25 B | $8.41 B |
| E/R | 0.55% | 0.58% |
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Exposure
Countries
IDEF
USA
59.6%
United Kingdom
8.89%
Other
31.51%
PPA
USA
89.53%
Other
10.47%
Sectors
IDEF
Industrials
84.69%
Technology
8.38%
Other
6.93%
PPA
Industrials
83.1%
Other
16.9%
Diversification
IDEF
Total weight of top 15 holdings out of 15
54.39%
PPA
Total weight of top 15 holdings out of 15
67.56%
Top 15 holdings
Data as of June 30, 2026
IDEF
RTX Corp.
8.38%
Lockheed Martin Corp.
6.87%
Rolls-Royce Holdings Plc
5.18%
The Boeing Co.
4.99%
General Dynamics Corp.
4.45%
Fortinet, Inc.
3.36%
Northrop Grumman Corp.
3.32%
BAE Systems Plc
2.73%
GE Aerospace
2.58%
Airbus SE
2.50%
Thales SA
2.33%
Howmet Aerospace, Inc.
2.20%
Elbit Systems Ltd.
2.00%
US84615Q1031
1.80%
BWX Technologies, Inc.
1.71%
PPA
GE Aerospace
9.76%
The Boeing Co.
8.44%
RTX Corp.
7.44%
Lockheed Martin Corp.
6.11%
Howmet Aerospace, Inc.
4.51%
General Dynamics Corp.
4.45%
Parker-Hannifin Corp.
3.89%
Northrop Grumman Corp.
3.76%
L3Harris Technologies, Inc.
3.34%
Elbit Systems Ltd.
2.98%
TransDigm Group, Inc.
2.92%
Rocket Lab Corp.
2.77%
Amphenol Corp.
2.54%
US4385162056
2.42%
US43849R1059
2.22%
Frequently asked questions about IDEF and PPA
How have the IDEF and PPA ETFs performed in 2026?
As of July 28, 2026, IDEF is up 5.24% year-to-date (YTD), while PPA has returned 13.5%. That puts PPA better performer ahead so far this year.
Which ETF is attracting more investor money: IDEF or PPA?
Year-to-date, the IDEF ETF saw +$4.48B in flows, compared to +$636M for PPA.
Which ETF is more volatile: IDEF or PPA?
Over the past year, IDEF had a volatility of 21.62%, while PPA experienced 20.53%.
Which ETF is bigger: IDEF or PPA?
As of July 28, 2026, IDEF holds $4.25 B in assets under management (AUM), while PPA manages $8.41 B.
What sectors do the IDEF and PPA ETFs invest in?
IDEF leans toward sectors like Industrials and Technology. Meanwhile, PPA focuses on Industrials.
What are the top holdings of the IDEF ETF and PPA ETF?
IDEF top holdings include RTX Corp., Lockheed Martin Corp. and Rolls-Royce Holdings Plc. PPA holds in its top three: GE Aerospace, The Boeing Co. and RTX Corp..
Which ETF is more diversified: IDEF or PPA?
IDEF holds 117 securities with 54.39% of its assets in the top 15. PPA has 61 securities and a top 15 weight of 67.56%.
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Latest news about IDEF & PPA
ETF Model Portfolios: The Geopolitical Risk Thematic Hedge
July 2, 2026
PPA
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