Do IDEF and WAR hold the same stocks?

By their latest filings, 9% 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 WAR?

IDEF has 40% of its weight in S&P 500 names and WAR has 38%, so IDEF differs more from the index.

Which is cheaper, IDEF or WAR?

IDEF charges 0.55% a year and WAR charges 0.60%, so IDEF is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

IDEF vs WAR: Holdings Overlap & Returns

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IDEF and WAR hold 9% of their weight in the same names.

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Net assets: $3.6bn on Nov 4, 2026 for iShares Defense Industrials and Tech Active ETF, and $41m on Jun 30, 2026 for U.S. Global Technology and Aerospace & Defense ETF.

IDEF on its own →WAR on its own →

At a glance

IDEF · 1 year to Nov 4, 2026 60% of its weight is outside the S&P 500

40% of IDEF's weight is in S&P 500 companies and 60% is outside the index. Holdings as of Nov 3, 2026.

WAR · 3 months to Nov 4, 2026 62% of its weight is outside the S&P 500

38% of WAR's weight is in S&P 500 companies and 62% is outside the index. Holdings as of Jun 30, 2026.

Pair scorecard

IDEF costs 0.05 points a year less.

IDEF vs WAR: Holdings Overlap & Returns
Measure	IDEF	WAR
Return
Measure	IDEF	WAR
Total return, 1 year	−5.8%	not published
Drawdown
Measure	IDEF	WAR
Below its all-time high	19.2%, high on Mar 2, 2026	27.7%, high on Jun 2, 2026
Benchmark
Measure	IDEF	WAR
What it tracks	Defense	Defense
Cost and size
Measure	IDEF	WAR
Expense ratio	0.55%	0.60%
Net assets, IDEF as of Nov 4, 2026 and WAR as of Jun 30, 2026	$3.6bn	$41m
Active share vs the S&P 500	93%	92%
Holdings
Measure	IDEF	WAR
Holdings in common	9%

Method

What they share

By the books each fund has filed, IDEF and WAR hold 9% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Nov 3, 2026.

50%

0 half 100%

half

9% in common

Positions both hold · largest shared weight first IDEF WAR

PALANTIR TECHNOLOGIES CLASS A 2.67% 3.18%

ROLLS-ROYCE HOLDINGS PLC 2.27% 4.06%

CROWDSTRIKE HOLDINGS CLASS A 1.62% 3.33%

AMPHENOL CORP CLASS A 1.14% 1.17%

KARMAN HOLDINGS INC 0.49% 3.69%

MILDEF GROUP 0.36% 7.17%

ELECTRO OPTIC SYSTEMS HOLDINGS 0.31% 4.09%

DRONESHIELD 0.23% 5.01%

Only in one fund ↓

Only in IDEF

RTX 7.41%

LOCKHEED MARTIN 5.42%

GENERAL DYNAMICS CORP 4.39%

NORTHROP GRUMMAN CORP 3.93%

THALES SA 3.76%

SPACE EXPLORATION TECHNOLOGIES COR 2.77%

SAAB CLASS B 1.95%

PALO ALTO NETWORKS 1.74%

Only in WAR

Astera Labs Inc 9.45%

Axon Enterprise Inc 8.71%

Micron Technology Inc 8.54%

Intuitive Machines Inc 4.95%

Teradyne Inc 4.93%

Lattice Semiconductor Corp 4.05%

BE Semiconductor Industries NV 3.82%

NVIDIA Corp 3.64%

Check overlap with more funds →

Window by window

Window by window: IDEF vs WAR: Holdings Overlap & Returns
	Total return
Window	IDEF	WAR
3 months	−14.0%	−18.5%
6 months	−12.4%	–
1 year	−5.8%	–
Since launch	+18.8%	–

– means no data for this window. Open this comparison in the app →

Side by side

IDEF iShares Defense Industrials and Tech Active ETF · Holds 162 stocks in defense, 40% of its weight in S&P 500 companies WAR U.S. Global Technology and Aerospace & Defense ETF · Holds 28 stocks in defense, 38% of its weight in S&P 500 companies

Issuer iShares U.S. Global

Theme Defense Defense

In the S&P 500 40.1% 38.1%

Active share vs the S&P 500 92.6% 92.5%

In the Nasdaq-100 11.2% 48.1%

Holdings 162 28

Top ten, share of the fund 36.3% 61.0%

Expense ratio 0.55% 0.60%

Fee for the differing part 0.59% 0.65%

Total return, 1 year −5.8% not available

vs its benchmark not measured not available

Below its high −19.2% −27.7%

Net assets, IDEF as of Nov 4, 2026 and WAR as of Jun 30, 2026 $3.6bn $41m

As of Nov 4, 2026. Source: ETFIQ.

9% of the two portfolios are the same securities at the same weight.

Alert

About each fund

IDEF

By weight, 40% of IDEF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 93%. The top ten holdings are 36% of the fund across 162 positions, as published by its issuer for Nov 3, 2026. Over the year to Nov 4, 2026 the fund returned −5.8% with distributions reinvested. It sits 19.2% below its all-time high of Mar 2, 2026.

WAR

By weight, 38% of WAR'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 61% of the fund across 28 positions, as filed for Jun 30, 2026. It sits 27.7% below its all-time high of Jun 2, 2026.

Questions people ask

Do IDEF and WAR hold the same stocks?: By their latest filings, 9% 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 WAR?: IDEF has 40% of its weight in S&P 500 names and WAR has 38%, so IDEF differs more from the index.
Which is cheaper, IDEF or WAR?: IDEF charges 0.55% a year and WAR charges 0.60%, so IDEF is cheaper. Fees come from each fund's prospectus.

Other comparisons

IDEF vs WDEF IDEF vs NATO IDEF vs KDEF IDEF vs TSSD WAR vs XAR WAR vs ITA WAR vs MISL WAR vs WDGF

Where to next

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

Sources and dates

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

WAR filings on SEC EDGAR ↗

WAR prospectus with the expense ratio (SEC) ↗

U.S. Global website ↗

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 WAR, data as of Nov 4, 2026. https://etfiq.com/compare/themes/idef-vs-war

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