IDEFvsSHLDETF Comparison
ETF 1
IDEF
iShares Defense Industrials Active ETF
VS
ETF 2
SHLD
Global X Defense Tech ETF
iShares Defense Industrials Active ETF (IDEF) and Global X Defense Tech ETF (SHLD) belong to the same industry segment: . IDEF's top 3 sector exposures are Industrials, Technology and Non-Energy Materials. In contrast, SHLD's top sector exposures are Industrials, Business Services and Technology. IDEF is more expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.5% for SHLD. IDEF is up 5.16% year-to-date (YTD) with +$4.47B in YTD flows. SHLD performs worse with -1.29% YTD performance, and +$2.56B in YTD flows. Run a side-by-side ETF comparison of IDEF and SHLD 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 SHLD performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IDEF SHLD | +3.39%+8.76% | -1.98%-5.10% | +5.16%-1.29% | +13.10%+5.46% | n/an/a | n/an/a |
| Flows | IDEF SHLD | +$94M-$293M | +$819M-$411M | +$4.47B+$2.56B | +$4.49B+$4.27B | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IDEF SHLD | +23.98%+25.35% | +21.66%+23.09% | n/an/a | n/an/a |
| Max drawdown | IDEF SHLD | -9.59%-14.54% | -15.58%-24.78% | n/an/a | n/an/a |
| Max drawdown duration | IDEF SHLD | 57d84d | 147d189d | n/an/a | n/an/a |
Trading data
IDEF | SHLD | |
Last sale 7/28/2026 at 1:30 PM | $32.43 | $63.91 |
| Previous close 07/27/2026 | $32.40 | $63.85 |
| Consolidated volume 07/27/2026 | ||
| 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 | SHLD | |
|---|---|---|
| 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 | SHLD | |
|---|---|---|
| Last price | $32.43 | $63.91 |
| 1D performance | +0.09% | +0.09% |
| AuM | $4.24 B | $7.12 B |
| E/R | 0.55% | 0.5% |
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Exposure
Countries
IDEF
USA
59.6%
United Kingdom
8.89%
Other
31.51%
SHLD
USA
63.63%
Other
36.37%
Sectors
IDEF
Industrials
84.69%
Technology
8.38%
Other
6.93%
SHLD
Industrials
88.59%
Business Services
7.48%
Other
3.93%
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Diversification
IDEF
Total weight of top 15 holdings out of 15
54.39%
SHLD
Total weight of top 15 holdings out of 15
76.86%
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%
SHLD
RTX Corp.
9.36%
General Dynamics Corp.
8.97%
Lockheed Martin Corp.
8.32%
Northrop Grumman Corp.
7.90%
Palantir Technologies, Inc.
7.48%
L3Harris Technologies, Inc.
4.61%
BAE Systems Plc
4.45%
Rheinmetall AG
3.88%
Thales SA
3.69%
HANWHA AEROSPACE Co., Ltd.
3.49%
Leonardo SpA
3.45%
Elbit Systems Ltd.
3.28%
Saab AB
3.10%
BWX Technologies, Inc.
2.82%
Leidos Holdings, Inc.
2.05%
Frequently asked questions about IDEF and SHLD
How have the IDEF and SHLD ETFs performed in 2026?
As of July 27, 2026, IDEF is up 5.16% year-to-date (YTD), while SHLD has lost -1.29%. That puts IDEF better performer ahead so far this year.
Which ETF is attracting more investor money: IDEF or SHLD?
Year-to-date, the IDEF ETF saw +$4.47B in flows, compared to +$2.56B for SHLD.
Which ETF is more volatile: IDEF or SHLD?
Over the past year, IDEF had a volatility of 21.66%, while SHLD experienced 23.09%.
Which ETF is bigger: IDEF or SHLD?
As of July 27, 2026, IDEF holds $4.24 B in assets under management (AUM), while SHLD manages $7.12 B.
What sectors do the IDEF and SHLD ETFs invest in?
IDEF leans toward sectors like Industrials and Technology. Meanwhile, SHLD focuses on Industrials and Business Services.
What are the top holdings of the IDEF ETF and SHLD ETF?
IDEF top holdings include RTX Corp., Lockheed Martin Corp. and Rolls-Royce Holdings Plc. SHLD holds in its top three: RTX Corp., General Dynamics Corp. and Lockheed Martin Corp..
Which ETF is more diversified: IDEF or SHLD?
IDEF holds 117 securities with 54.39% of its assets in the top 15. SHLD has 47 securities and a top 15 weight of 76.86%.
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Latest news about IDEF & SHLD
ETF Comparison: iShares Defense Industrials Active ETF (IDEF) Versus iShares U.S. Aerospace & Defense ETF (ITA)
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IDEF
Entering A New Era of Defense Tech Spending
December 9, 2025
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March 5, 2025
SHLD
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SHLD
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Geopolitical Tensions Fuel Surge in Defense ETFs
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SHLD
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