Do IDEF and IFRA hold the same stocks?

By their latest filings, 1% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, IDEF or IFRA?

IDEF has 42% of its weight in S&P 500 names and IFRA has 72%, so IFRA differs more from the index.

Which is cheaper, IDEF or IFRA?

IDEF charges 0.55% a year and IFRA charges 0.30%, so IFRA is cheaper. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Thematic ETFs

IDEF vs IFRA: Holdings Overlap & Returns

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Over the year to Oct 28, 2026, IDEF returned −5.7% to IFRA's +9.4%; 1% of their weight is in the same names.

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Net assets: $3.7bn on Oct 28, 2026 for iShares Defense Industrials and Tech Active ETF, and $4.0bn on Oct 27, 2026 for iShares U.S. Infrastructure ETF.

IDEF on its own →IFRA on its own →

At a glance

42.5%

IDEF in the S&P 500

72.1%

IFRA in the S&P 500

−5.7%

IDEF total return, 1 year

+9.4%

IFRA total return, 1 year

IDEF · 1 year to Oct 28, 2026 58% of its weight is outside the S&P 500

43% of IDEF's weight is in S&P 500 companies and 58% is outside the index. Holdings as of Oct 27, 2026.

IFRA · 1 year to Oct 28, 2026 28% of its weight is outside the S&P 500

72% of IFRA's weight is in S&P 500 companies and 28% is outside the index. Holdings as of Oct 27, 2026.

Pair scorecard

IFRA costs 0.25 points a year less; their one-year returns differ by 15.1 points; IFRA is 1.1 times larger.

IDEF vs IFRA: Holdings Overlap & Returns
Measure	IDEF	IFRA
Return
Measure	IDEF	IFRA
Total return, 1 year	−5.7%	+9.4%
Drawdown
Measure	IDEF	IFRA
Below its all-time high	17.0%, high on Mar 2, 2026	9.6%, high on Jun 25, 2026
Benchmark
Measure	IDEF	IFRA
What it tracks	Defense	Infrastructure
Cost and size
Measure	IDEF	IFRA
Expense ratio	0.55%	0.30%
Net assets, as of Oct 27, 2026	$3.7bn	$4.0bn
Holdings
Measure	IDEF	IFRA
Holdings in common	1%

Holdings in common uses holdings dated Oct 27, 2026. Method

Risk and return

May 30, 2025 to Oct 23, 2026 · 73 weekly returns

IDEF IFRA

Return

Total return edge IFRA +14.9% +21.5%

Annualized edge IFRA +10.4% +14.9%

Price return edge IFRA +14.5% +18.4%

Risk

Volatility edge IFRA 22.4% 13.5%

Max drawdown edge IFRA −17.1% −11.9%

Risk-adjusted

Sharpe edge IFRA 0.38 0.81

Sortino edge IFRA 0.58 1.27

Calmar edge IFRA 0.61 1.26

Reading

IFRA returned more: +21.5% to +14.9%. IFRA swung less: 13.5% to 22.4%. IFRA fell less at its worst: −11.9% to −17.1%.

Full scorecard

9 measures, with how each is measured Open ↓

Risk and return: IDEF vs IFRA: Holdings Overlap & Returns
Measure	IDEF	IFRA	Edge	How it is measured
Return
Total return	+14.9%	+21.5%	IFRA	Price change plus distributions, reinvested.
Annualized	+10.4%	+14.9%	IFRA	Total return as a yearly rate.
Price return	+14.5%	+18.4%	IFRA	Price change alone, distributions left out.
Risk
Volatility	22.4%	13.5%	IFRA	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	14.7%	8.6%	IFRA	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−17.1%	−11.9%	IFRA	Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe	0.38	0.81	IFRA	Return above Treasury bills per unit of volatility.
Sortino	0.58	1.27	IFRA	Return above Treasury bills per unit of downside deviation.
Calmar	0.61	1.26	IFRA	Annualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 73 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

By the books each fund has filed, IDEF and IFRA hold 1% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

1% in common

Positions both hold · largest shared weight first IDEF IFRA

ATI 0.41% 0.88%

CARPENTER TECHNOLOGY 0.31% 0.55%

DASSAULT AVIATION SA 0.59% 0.20%

TUTOR PERINI 0.31% 0.15%

Only in one fund ↓

Only in IDEF

RTX 7.05%

LOCKHEED MARTIN 5.27%

GENERAL DYNAMICS CORP 4.15%

NORTHROP GRUMMAN CORP 3.92%

BOEING 3.44%

ROLLS-ROYCE HOLDINGS PLC 3.06%

PALANTIR TECHNOLOGIES CLASS A 3.02%

SPACE EXPLORATION TECHNOLOGIES COR 2.93%

Only in IFRA

UNION PACIFIC 4.24%

NEXTERA ENERGY 4.04%

CSX 3.81%

CATERPILLAR INC 3.59%

QUANTA SERVICES INC 3.39%

SOUTHERN 3.09%

NORFOLK SOUTHERN CORP 3.00%

UNITED RENTALS 2.84%

Check overlap with more funds →

Window by window

Window by window: IDEF vs IFRA: Holdings Overlap & Returns
	Total return
Window	IDEF	IFRA
3 months	−3.0%	−3.4%
6 months	−5.8%	−3.8%
1 year	−5.7%	+9.4%
3 years	–	+76.3%
Since launchNot the same days: IDEF May 2025 · IFRA Apr 2018	+22.1%	+167.2%

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Side by side

IDEF iShares Defense Industrials and Tech Active ETF · Holds 155 stocks in defense, 42% of its weight in S&P 500 companies IFRA iShares U.S. Infrastructure ETF · Holds 164 stocks in infrastructure, 72% of its weight in S&P 500 companies

Issuer iShares iShares

Theme Defense Infrastructure

In the S&P 500 42.5% 72.1%

Active share vs the S&P 500 92.2% 95.7%

In the Nasdaq-100 10.7% 11.2%

Holdings 155 164

Top ten, share of the fund 37.3% 33.4%

Expense ratio 0.55% 0.30%

Fee for the differing part 0.60% 0.31%

Total return, 1 year −5.7% +9.4%

vs its benchmark not measured not measured

Below its high −17.0% −9.6%

Net assets, IDEF as of Oct 28, 2026 and IFRA as of Oct 27, 2026 $3.7bn $4.0bn

As of Oct 28, 2026. Source: ETFIQ.

1% of the two portfolios are the same securities at the same weight.

Client brief · page 1 of 2 Report BR-AD4A47194D

IDEF and IFRA are built for the same job. How do they differ in cost, holdings and results?

Theme. IDEF covers Defense and IFRA covers Infrastructure.
What each follows. IDEF follows Defense and IFRA follows Infrastructure.
Holdings in common. 1% of the weight is in the same securities (holdings dated Oct 27, 2026).

Data as of Oct 28, 2026.

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About each fund

IDEF

By weight, 42% of IDEF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 92%. The top ten holdings are 37% of the fund across 155 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned −5.7% with distributions reinvested. It sits 17.0% below its all-time high of Mar 2, 2026.

IFRA

By weight, 72% of IFRA'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 33% of the fund across 164 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +9.4% with distributions reinvested. It sits 9.6% below its all-time high of Jun 25, 2026.

Questions people ask

Do IDEF and IFRA hold the same stocks?: By their latest filings, 1% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, IDEF or IFRA?: IDEF has 42% of its weight in S&P 500 names and IFRA has 72%, so IFRA differs more from the index.
Which is cheaper, IDEF or IFRA?: IDEF charges 0.55% a year and IFRA charges 0.30%, so IFRA is cheaper. Fees come from each fund's prospectus.

Other comparisons

IDEF vs PAVE IDEF vs XME IDEF vs SIL IDEF vs FDN IFRA vs XAR IFRA vs SHLD IFRA vs PPA IFRA vs ITA

Where to next

All thematic ETFs ranked by the S&P 500 Difference Score →How the scores are computed →IDEF on its own →IFRA on its own →IDEF dividend history →IDEF holdings →IFRA dividend history →IFRA holdings →Method →Standards and sources →

Sources and dates

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

IFRA filings on SEC EDGAR ↗

IFRA prospectus with the expense ratio (SEC) ↗

iShares page for IFRA ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Every number is an ETFIQ calculation with distributions reinvested.

Cite this pageCitation, APA and Markdown

ETFIQ, IDEF against IFRA, data as of Oct 28, 2026. https://etfiq.com/compare/themes/idef-vs-ifra

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.