Do IDEF and SHLD hold the same stocks?

By their latest filings, 38% 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 SHLD?

IDEF has 42% of its weight in S&P 500 names and SHLD has 45%, so SHLD differs more from the index.

Which is cheaper, IDEF or SHLD?

IDEF charges 0.55% a year and SHLD charges 0.50%, so SHLD is cheaper. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Thematic ETFs

IDEF vs SHLD: Holdings Overlap & Returns

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Over the year to Oct 28, 2026, IDEF returned −5.7% to SHLD's −6.5%; 38% 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 $6.3bn on Oct 12, 2026 for Global X Defense Tech ETF.

IDEF on its own →SHLD on its own →

At a glance

42.5%

IDEF in the S&P 500

44.6%

SHLD in the S&P 500

−5.7%

IDEF total return, 1 year

−6.5%

SHLD 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.

SHLD · 1 year to Oct 28, 2026 55% of its weight is outside the S&P 500

45% of SHLD's weight is in S&P 500 companies and 55% is outside the index. Holdings as of May 31, 2026.

Pair scorecard

SHLD costs 0.05 points a year less; their one-year returns differ by 0.8 points; SHLD is 1.7 times larger.

IDEF vs SHLD: Holdings Overlap & Returns
Measure	IDEF	SHLD
Return
Measure	IDEF	SHLD
Total return, 1 year	−5.7%	−6.5%
Drawdown
Measure	IDEF	SHLD
Below its all-time high	17.0%, high on Mar 2, 2026	18.6%, high on Mar 9, 2026
Benchmark
Measure	IDEF	SHLD
What it tracks	Defense	Defense
Cost and size
Measure	IDEF	SHLD
Expense ratio	0.55%	0.50%
Net assets, as of Oct 12, 2026	$3.7bn	$6.3bn
Holdings
Measure	IDEF	SHLD
Holdings in common	38%

Holdings in common uses holdings dated May 31, 2026 and Oct 27, 2026. Method

What they share

38%

By the books each fund has filed, IDEF and SHLD hold 38% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Oct 27, 2026.

50%

0 half 100%

half

38% in common

Positions both hold · largest shared weight first IDEF SHLD

RTX 7.05% 7.75%

LOCKHEED MARTIN 5.27% 8.41%

GENERAL DYNAMICS CORP 4.15% 7.67%

NORTHROP GRUMMAN CORP 3.92% 4.23%

PALANTIR TECHNOLOGIES CLASS A 3.02% 7.07%

THALES SA 2.15% 4.27%

ELBIT SYSTEMS 1.18% 4.13%

HANWHA AEROSPACE LTD 1.05% 4.40%

BAE SYSTEMS PLC 0.89% 4.88%

HANWHA SYSTEMS LTD 0.90% 0.88%

KOREA AEROSPACE INDUSTRIES 0.75% 1.34%

L3HARRIS TECHNOLOGIES 0.70% 4.69%

Only in one fund ↓

Only in IDEF

BOEING 3.44%

ROLLS-ROYCE HOLDINGS PLC 3.06%

SPACE EXPLORATION TECHNOLOGIES COR 2.93%

AIRBUS GROUP 2.34%

SAAB CLASS B 1.85%

GE AEROSPACE 1.72%

MITSUBISHI HEAVY INDUSTRIES 1.59%

LEONARDO FINMECCANICA SPA 1.57%

Only in SHLD

Rheinmetall Aktiengesellschaft 5.76%

LEONARDO - SOCIETA PER AZIONI 4.35%

SAAB Aktiebolag 3.82%

KRATOS DEFENSE & SECURITY SOLUTIONS, INC. 1.81%

AMENTUM HOLDINGS, INC. 0.78%

ASELSAN ELEKTRONIK SANAYI VE TICARET ANONIM SIRKETI 0.62%

BIGBEAR.AI HOLDINGS, INC. 0.37%

EXAIL TECHNOLOGIES SA 0.26%

Check overlap with more funds →

Window by window

Window by window: IDEF vs SHLD: Holdings Overlap & Returns
	Total return
Window	IDEF	SHLD
3 months	−3.0%	+2.0%
6 months	−5.8%	−4.7%
1 year	−5.7%	−6.5%
3 years	–	+156.5%
Since launchNot the same days: IDEF May 2025 · SHLD Sep 2023	+22.1%	+160.2%

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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 SHLD Global X Defense Tech ETF · Holds 48 stocks in defense, 45% of its weight in S&P 500 companies

Issuer iShares Global X

Theme Defense Defense

In the S&P 500 42.5% 44.6%

Active share vs the S&P 500 92.2% 98.7%

In the Nasdaq-100 10.7% 7.1%

Holdings 155 48

Top ten, share of the fund 37.3% 59.3%

Expense ratio 0.55% 0.50%

Fee for the differing part 0.60% 0.51%

Total return, 1 year −5.7% −6.5%

vs its benchmark not measured not measured

Below its high −17.0% −18.6%

Net assets, IDEF as of Oct 28, 2026 and SHLD as of Oct 12, 2026 $3.7bn $6.3bn

As of Oct 28, 2026. Source: ETFIQ.

38% of the two portfolios are the same securities at the same weight.

Alert

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.

SHLD

By weight, 45% of SHLD's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 59% of the fund across 48 positions, as filed for May 31, 2026. Over the year to Oct 28, 2026 the fund returned −6.5% with distributions reinvested. It sits 18.6% below its all-time high of Mar 9, 2026.

Questions people ask

Do IDEF and SHLD hold the same stocks?: By their latest filings, 38% 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 SHLD?: IDEF has 42% of its weight in S&P 500 names and SHLD has 45%, so SHLD differs more from the index.
Which is cheaper, IDEF or SHLD?: IDEF charges 0.55% a year and SHLD charges 0.50%, so SHLD is cheaper. Fees come from each fund's prospectus.

Other comparisons

IDEF vs PPA IDEF vs NATO IDEF vs WAR IDEF vs WDAF SHLD vs XAR SHLD vs WDEF SHLD vs WAR SHLD vs WDAF

Where to next

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

Sources and dates

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

SHLD filings on SEC EDGAR ↗

SHLD prospectus with the expense ratio (SEC) ↗

Global X page for SHLD ↗

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 SHLD, data as of Oct 28, 2026. https://etfiq.com/compare/themes/idef-vs-shld

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