IDEFvsFSPCETF Comparison
ETF 1
IDEF
iShares Defense Industrials Active ETF
VS
iShares Defense Industrials Active ETF (IDEF) belongs to the segment. First Trust Bloomberg Space Economy ETF (FSPC) is part of the Space segment. IDEF's top 3 sector exposures are Industrials, Technology and Business Services. In contrast, FSPC's top sector exposures are Industrials, Telecommunications and Technology. IDEF is less expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.65% for FSPC. Run a side-by-side ETF comparison of IDEF and FSPC 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 FSPC performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IDEF FSPC | -9.34%-10.77% | -2.98%n/a | +2.81%n/a | +5.30%n/a | n/an/a | n/an/a |
| Flows | IDEF FSPC | +$114M- | +$432M- | +$4.63B- | +$4.64B- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IDEF FSPC | +21.87%n/a | +22.54%n/a | n/an/a | n/an/a |
| Max drawdown | IDEF FSPC | -11.66%n/a | -15.58%n/a | n/an/a | n/an/a |
| Max drawdown duration | IDEF FSPC | 26dn/a | 193dn/a | n/an/a | n/an/a |
Trading data
IDEF | FSPC | |
Last sale 9/11/2026 at 1:30 PM | $31.63 | $18.63 |
| Previous close 09/10/2026 | $31.44 | $18.45 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 13, 2026
1-year trailing difference
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IDEF
is actively managed and doesn’t replicate an indexIDEF | FSPC | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
IDEF | FSPC | |
|---|---|---|
| Last price | $31.63 | $18.63 |
| 1D performance | +0.60% | +0.98% |
| AuM | $4.29 B | $1.84 M |
| E/R | 0.55% | 0.65% |
Characteristics
IDEF | FSPC | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | iShares | First Trust |
| Benchmark | - | Bloomberg Space Economy Index |
| N° of holdings | 134 | 44 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 19, 2025 | July 8, 2026 |
| ESG | No | No |
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Exposure
Countries
IDEF
USA
54.77%
United Kingdom
10.48%
France
7.37%
Other
27.38%
FSPC
USA
56.87%
France
9.96%
Japan
7.29%
Other
25.88%
Sectors
IDEF
Industrials
82.76%
Technology
11.26%
Other
5.98%
FSPC
Industrials
63.81%
Telecommunication.
19.04%
Technology
7.99%
Other
9.16%
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Diversification
IDEF
Total weight of top 15 holdings out of 15
54.17%
FSPC
Total weight of top 15 holdings out of 15
60.32%
Top 15 holdings
Data as of July 31, 2026
IDEF
RTX Corp.
9.01%
Lockheed Martin Corp.
5.00%
Rolls-Royce Holdings Plc
4.92%
The Boeing Co.
4.76%
General Dynamics Corp.
4.10%
Thales SA
3.81%
Northrop Grumman Corp.
3.35%
Airbus SE
3.24%
BAE Systems Plc
3.24%
Saab AB
2.49%
GE Aerospace
2.45%
Amphenol Corp.
2.02%
Safran SA
1.98%
Palo Alto Networks, Inc.
1.92%
Leonardo SpA
1.88%
FSPC
Thales SA
5.14%
Mitsubishi Heavy Industries, Ltd.
5.12%
Northrop Grumman Corp.
4.85%
Safran SA
4.60%
Palantir Technologies, Inc.
4.24%
L3Harris Technologies, Inc.
4.21%
ViaSat, Inc.
4.21%
EchoStar Corp.
4.05%
Space Exploration Technologies Corp.
3.90%
AST SpaceMobile, Inc.
3.61%
Rocket Lab Corp.
3.42%
Rheinmetall AG
3.41%
Lockheed Martin Corp.
3.30%
Airbus SE
3.17%
Planet Labs PBC
3.09%
Frequently asked questions about IDEF and FSPC
Which ETF is bigger: IDEF or FSPC?
As of September 11, 2026, IDEF holds $4.29 B in assets under management (AUM), while FSPC manages $1.84 M.
What sectors do the IDEF and FSPC ETFs invest in?
IDEF leans toward sectors like Industrials and Technology. Meanwhile, FSPC focuses on Industrials, Telecommunications and Technology.
What are the top holdings of the IDEF ETF and FSPC ETF?
IDEF top holdings include RTX Corp., Lockheed Martin Corp. and Rolls-Royce Holdings Plc. FSPC holds in its top three: Thales SA, Mitsubishi Heavy Industries, Ltd. and Northrop Grumman Corp..
Which ETF is more diversified: IDEF or FSPC?
IDEF holds 134 securities with 54.17% of its assets in the top 15. FSPC has 44 securities and a top 15 weight of 60.32%.
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Latest news about IDEF & FSPC
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