Do IDEF and WDGF hold the same stocks?

By their latest filings, 55% 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 WDGF?

IDEF has 40% of its weight in S&P 500 names and WDGF has 35%, so WDGF differs more from the index.

Which is cheaper, IDEF or WDGF?

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

Data as of Nov 4, 2026.

Thematic ETFs

IDEF vs WDGF: Holdings Overlap & Returns

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Over the year to Nov 4, 2026, IDEF returned −5.8% to WDGF's −2.9%; 55% 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 $5.3m on Jun 30, 2026 for WisdomTree Global Defense Fund.

IDEF on its own →WDGF on its own →

At a glance

40.1%

IDEF in the S&P 500

34.9%

WDGF in the S&P 500

−5.8%

IDEF total return, 1 year

−2.9%

WDGF 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.

WDGF · 1 year to Nov 4, 2026 65% of its weight is outside the S&P 500

35% of WDGF's weight is in S&P 500 companies and 65% is outside the index. Holdings as of Jun 30, 2026.

Pair scorecard

WDGF costs 0.10 points a year less; their one-year returns differ by 2.9 points.

IDEF vs WDGF: Holdings Overlap & Returns
Measure	IDEF	WDGF
Return
Measure	IDEF	WDGF
Total return, 1 year	−5.8%	−2.9%
Drawdown
Measure	IDEF	WDGF
Below its all-time high	19.2%, high on Mar 2, 2026	16.9%, high on Mar 9, 2026
Benchmark
Measure	IDEF	WDGF
What it tracks	Defense	Defense
Cost and size
Measure	IDEF	WDGF
Expense ratio	0.55%	0.45%
Net assets, IDEF as of Nov 4, 2026 and WDGF as of Jun 30, 2026	$3.6bn	$5.3m
Holdings
Measure	IDEF	WDGF
Holdings in common	55%

Method

Risk and return

Sep 19, 2025 to Oct 30, 2026 · 58 weekly returns

IDEF WDGF

Return

Total return edge WDGF −1.8% −0.7%

Annualized edge WDGF −1.6% −0.6%

Price return edge WDGF −2.1% −0.7%

Risk

Volatility edge IDEF (slight) 24.3% 26.4%

Max drawdown edge IDEF (slight) −17.1% −18.2%

Risk-adjusted

Sharpe edge WDGF −0.10 −0.04

Sortino edge WDGF −0.15 −0.06

Calmar edge WDGF −0.09 −0.03

Reading

From Sep 2025 to Oct 2026, WDGF returned more: −0.7% to −1.8%. IDEF swung slightly less: 24.3% to 26.4%. IDEF fell slightly less at its worst: −17.1% to −18.2%.

Full scorecard

9 measures, with how each is measured Open ↓

Risk and return: IDEF vs WDGF: Holdings Overlap & Returns
Measure	IDEF	WDGF	Edge	How it is measured
Return
Total return	−1.8%	−0.7%	WDGF	Price change plus distributions, reinvested.
Annualized	−1.6%	−0.6%	WDGF	Total return as a yearly rate.
Price return	−2.1%	−0.7%	WDGF	Price change alone, distributions left out.
Risk
Volatility	24.3%	26.4%	IDEF (slight)	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	16.4%	17.5%	IDEF (slight)	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−17.1%	−18.2%	IDEF (slight)	Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe	−0.10	−0.04	WDGF	Return above Treasury bills per unit of volatility.
Sortino	−0.15	−0.06	WDGF	Return above Treasury bills per unit of downside deviation.
Calmar	−0.09	−0.03	WDGF	Annualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 58 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

55%

By the books each fund has filed, IDEF and WDGF hold 55% 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

55% in common

Positions both hold · largest shared weight first IDEF WDGF

RTX 7.41% 5.46%

LOCKHEED MARTIN 5.42% 4.93%

GENERAL DYNAMICS CORP 4.39% 5.18%

NORTHROP GRUMMAN CORP 3.93% 4.92%

THALES SA 3.76% 3.35%

PALANTIR TECHNOLOGIES CLASS A 2.67% 4.72%

ROLLS-ROYCE HOLDINGS PLC 2.27% 3.04%

RHEINMETALL AG 1.67% 4.27%

LEONARDO FINMECCANICA SPA 1.63% 2.07%

HANWHA AEROSPACE LTD 1.48% 2.51%

BOEING 1.30% 2.55%

ELBIT SYSTEMS 1.15% 2.15%

Only in one fund ↓

Only in IDEF

SPACE EXPLORATION TECHNOLOGIES COR 2.77%

SAAB CLASS B 1.95%

PALO ALTO NETWORKS 1.74%

CROWDSTRIKE HOLDINGS CLASS A 1.62%

MITSUBISHI HEAVY INDUSTRIES 1.51%

MITSUBISHI ELECTRIC 1.45%

MICROSOFT 1.27%

AMPHENOL CORP CLASS A 1.14%

Only in WDGF

HINDUSTAN AERONAUTICS LTD 2.09%

BHARAT ELECTRONICS LTD 2.05%

SAAB AB 1.97%

ARXIS INC 0.82%

MAZAGON DOCK SHIPBUILDERS LTD 0.72%

CACI INTERNATIONAL INC 0.70%

INDRA SISTEMAS SA 0.45%

ESCO TECHNOLOGIES INC 0.40%

Check overlap with more funds →

Window by window

Window by window: IDEF vs WDGF: Holdings Overlap & Returns
	Total return
Window	IDEF	WDGF
3 months	−14.0%	−9.9%
6 months	−12.4%	−9.6%
1 year	−5.8%	−2.9%
Since launchNot the same days: IDEF May 2025 · WDGF Sep 2025	+18.8%	−2.1%

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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 WDGF WisdomTree Global Defense Fund · Holds 115 stocks in defense, 35% of its weight in S&P 500 companies

Issuer iShares WisdomTree

Theme Defense Defense

In the S&P 500 40.1% 34.9%

Active share vs the S&P 500 92.6% 98.3%

In the Nasdaq-100 11.2% 7.1%

Holdings 162 115

Top ten, share of the fund 36.3% 44.2%

Expense ratio 0.55% 0.45%

Fee for the differing part 0.59% 0.46%

Total return, 1 year −5.8% −2.9%

vs its benchmark not measured not measured

Below its high −19.2% −16.9%

Net assets, IDEF as of Nov 4, 2026 and WDGF as of Jun 30, 2026 $3.6bn $5.3m

As of Nov 4, 2026. Source: ETFIQ.

55% of the two portfolios are the same securities at the same weight.

Client brief

No client brief for this pair: the two funds' holdings are dated 126 days apart.

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.

WDGF

By weight, 35% of WDGF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 44% of the fund across 115 positions, as filed for Jun 30, 2026. Over the year to Nov 4, 2026 the fund returned −2.9% with distributions reinvested. It sits 16.9% below its all-time high of Mar 9, 2026.

Questions people ask

Do IDEF and WDGF hold the same stocks?: By their latest filings, 55% 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 WDGF?: IDEF has 40% of its weight in S&P 500 names and WDGF has 35%, so WDGF differs more from the index.
Which is cheaper, IDEF or WDGF?: IDEF charges 0.55% a year and WDGF charges 0.45%, so WDGF is cheaper. Fees come from each fund's prospectus.

Other comparisons

IDEF vs DUTY IDEF vs WR IDEF vs AV IDEF vs XAR WDGF vs XAR WDGF vs PPA WDGF vs ITA WDGF vs MISL

Where to next

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

Sources and dates

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

WDGF filings on SEC EDGAR ↗

WDGF prospectus with the expense ratio (SEC) ↗

WisdomTree page for WDGF ↗

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

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