Do IDEF and WDAF hold the same stocks?

By their latest filings, 10% 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 WDAF?

IDEF has 40% of its weight in S&P 500 names and WDAF has 0%, so WDAF differs more from the index.

Which is cheaper, IDEF or WDAF?

IDEF charges 0.55% a year and WDAF charges 0.45%, so WDAF is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

IDEF vs WDAF: Holdings Overlap & Returns

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Over the year to Nov 4, 2026, IDEF returned −5.8% to WDAF's −16.2%; 10% of their weight is 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 $22m on Jun 30, 2026 for WisdomTree Asia Defense Fund.

IDEF on its own →WDAF on its own →

At a glance

40.1%

IDEF in the S&P 500

0.0%

WDAF in the S&P 500

−5.8%

IDEF total return, 1 year

−16.2%

WDAF total return, 1 year

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.

WDAF · 1 year to Nov 4, 2026 100% of its weight is outside the S&P 500

0% of WDAF's weight is in S&P 500 companies and 100% is outside the index. Holdings as of Jun 30, 2026.

Pair scorecard

WDAF costs 0.10 points a year less; their one-year returns differ by 10.4 points.

IDEF vs WDAF: Holdings Overlap & Returns
Measure	IDEF	WDAF
Return
Measure	IDEF	WDAF
Total return, 1 year	−5.8%	−16.2%
Drawdown
Measure	IDEF	WDAF
Below its all-time high	19.2%, high on Mar 2, 2026	31.8%, high on May 5, 2026
Benchmark
Measure	IDEF	WDAF
What it tracks	Defense	Defense
Cost and size
Measure	IDEF	WDAF
Expense ratio	0.55%	0.45%
Net assets, IDEF as of Nov 4, 2026 and WDAF as of Jun 30, 2026	$3.6bn	$22m
Holdings
Measure	IDEF	WDAF
Holdings in common	10%

Method

What they share

10%

By the books each fund has filed, IDEF and WDAF hold 10% 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

10% in common

Positions both hold · largest shared weight first IDEF WDAF

MITSUBISHI HEAVY INDUSTRIES 1.51% 4.17%

HANWHA AEROSPACE LTD 1.48% 7.31%

HANWHA SYSTEMS LTD 1.06% 3.66%

KOREA AEROSPACE INDUSTRIES 0.92% 7.69%

IHI 0.89% 4.57%

SINGAPORE TECHNOLOGIES ENGINEERING 0.85% 3.96%

KAWASAKI HEAVY INDUSTRIES 0.83% 4.22%

HYUNDAI-ROTEM 0.38% 6.84%

CODAN 0.31% 1.59%

ELECTRO OPTIC SYSTEMS HOLDINGS 0.31% 1.44%

HD HYUNDAI HEAVY INDUSTRIES LTD 0.29% 3.63%

NIPPON AVIONICS LTD 0.26% 0.54%

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%

PALANTIR TECHNOLOGIES CLASS A 2.67%

ROLLS-ROYCE HOLDINGS PLC 2.27%

Only in WDAF

HINDUSTAN AERONAUTICS LTD 8.00%

BHARAT ELECTRONICS LTD 7.82%

MAZAGON DOCK SHIPBUILDERS LTD 1.83%

BHARAT FORGE LTD 1.75%

SOLAR INDUSTRIES INDIA LTD 1.52%

COCHIN SHIPYARD LTD 1.28%

BHARAT DYNAMICS LTD 1.26%

DATA PATTERNS (INDIA) LTD 1.11%

Check overlap with more funds →

Window by window

Window by window: IDEF vs WDAF: Holdings Overlap & Returns
	Total return
Window	IDEF	WDAF
3 months	−14.0%	−16.4%
6 months	−12.4%	−31.3%
1 year	−5.8%	−16.2%
Since launchNot the same days: IDEF May 2025 · WDAF Sep 2025	+18.8%	−16.0%

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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 WDAF WisdomTree Asia Defense Fund · Holds 61 stocks in defense, 0% of its weight in S&P 500 companies

Issuer iShares WisdomTree

Theme Defense Defense

In the S&P 500 40.1% 0.0%

Active share vs the S&P 500 92.6% 100.0%

In the Nasdaq-100 11.2% 0.0%

Holdings 162 61

Top ten, share of the fund 36.3% 61.6%

Expense ratio 0.55% 0.45%

Fee for the differing part 0.59% 0.45%

Total return, 1 year −5.8% −16.2%

vs its benchmark not measured not measured

Below its high −19.2% −31.8%

Net assets, IDEF as of Nov 4, 2026 and WDAF as of Jun 30, 2026 $3.6bn $22m

As of Nov 4, 2026. Source: ETFIQ.

10% 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.

WDAF

By weight, 0% of WDAF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 62% of the fund across 61 positions, as filed for Jun 30, 2026. Over the year to Nov 4, 2026 the fund returned −16.2% with distributions reinvested. It sits 31.8% below its all-time high of May 5, 2026.

Questions people ask

Do IDEF and WDAF hold the same stocks?: By their latest filings, 10% 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 WDAF?: IDEF has 40% of its weight in S&P 500 names and WDAF has 0%, so WDAF differs more from the index.
Which is cheaper, IDEF or WDAF?: IDEF charges 0.55% a year and WDAF charges 0.45%, so WDAF is cheaper. Fees come from each fund's prospectus.

Other comparisons

IDEF vs WAR IDEF vs SHLD IDEF vs PPA IDEF vs ITA WDAF vs XAR WDAF vs ITA WDAF vs MISL WDAF 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 →WDAF on its own →IDEF dividend history →IDEF holdings →WDAF dividend history →WDAF holdings →Method →Standards and sources →

Sources and dates

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

WDAF filings on SEC EDGAR ↗

WDAF prospectus with the expense ratio (SEC) ↗

WisdomTree page for WDAF ↗

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

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