Do IDEF and KDEF hold the same stocks?

By their latest filings, 5% 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 KDEF?

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

Which is cheaper, IDEF or KDEF?

IDEF charges 0.55% a year and KDEF charges 0.65%, so IDEF is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

IDEF vs KDEF: Holdings Overlap & Returns

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Over the year to Nov 4, 2026, IDEF returned −5.8% to KDEF's −28.3%; 5% 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 $113m on Aug 31, 2026 for PLUS Korea Defense Industry Index ETF.

IDEF on its own →KDEF on its own →

At a glance

40.1%

IDEF in the S&P 500

0.0%

KDEF in the S&P 500

−5.8%

IDEF total return, 1 year

−28.3%

KDEF 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.

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

0% of KDEF's weight is in S&P 500 companies and 100% is outside the index. Holdings as of Aug 31, 2026.

Pair scorecard

IDEF costs 0.10 points a year less; their one-year returns differ by 22.5 points.

IDEF vs KDEF: Holdings Overlap & Returns
Measure	IDEF	KDEF
Return
Measure	IDEF	KDEF
Total return, 1 year	−5.8%	−28.3%
Drawdown
Measure	IDEF	KDEF
Below its all-time high	19.2%, high on Mar 2, 2026	50.7%, high on May 5, 2026
Benchmark
Measure	IDEF	KDEF
What it tracks	Defense	Defense
Cost and size
Measure	IDEF	KDEF
Expense ratio	0.55%	0.65%
Net assets, IDEF as of Nov 4, 2026 and KDEF as of Aug 31, 2026	$3.6bn	$113m
Holdings
Measure	IDEF	KDEF
Holdings in common	5%

Method

Risk and return

May 30, 2025 to Oct 30, 2026 · 74 weekly returns

IDEF KDEF

Return

Total return edge IDEF +16.1% −0.8%

Annualized edge IDEF +11.0% −0.6%

Price return edge IDEF +15.7% −6.8%

Risk

Volatility edge IDEF 22.3% 51.5%

Max drawdown edge IDEF −17.1% −51.6%

Risk-adjusted

Sharpe edge IDEF 0.40 0.17

Sortino edge IDEF 0.62 0.24

Calmar edge IDEF 0.65 −0.01

Reading

From May 2025 to Oct 2026, IDEF returned more: +16.1% to −0.8%. IDEF swung less: 22.3% to 51.5%. IDEF fell less at its worst: −17.1% to −51.6%.

Full scorecard

9 measures, with how each is measured Open ↓

Risk and return: IDEF vs KDEF: Holdings Overlap & Returns
Measure	IDEF	KDEF	Edge	How it is measured
Return
Total return	+16.1%	−0.8%	IDEF	Price change plus distributions, reinvested.
Annualized	+11.0%	−0.6%	IDEF	Total return as a yearly rate.
Price return	+15.7%	−6.8%	IDEF	Price change alone, distributions left out.
Risk
Volatility	22.3%	51.5%	IDEF	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	14.6%	36.5%	IDEF	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−17.1%	−51.6%	IDEF	Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe	0.40	0.17	IDEF	Return above Treasury bills per unit of volatility.
Sortino	0.62	0.24	IDEF	Return above Treasury bills per unit of downside deviation.
Calmar	0.65	−0.01	IDEF	Annualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 74 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

By the books each fund has filed, IDEF and KDEF hold 5% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026 and Nov 3, 2026.

50%

0 half 100%

half

5% in common

Positions both hold · largest shared weight first IDEF KDEF

HANWHA AEROSPACE LTD 1.48% 23.38%

HANWHA SYSTEMS LTD 1.06% 2.31%

KOREA AEROSPACE INDUSTRIES 0.92% 6.71%

HYUNDAI-ROTEM 0.38% 7.63%

HD HYUNDAI HEAVY INDUSTRIES LTD 0.29% 2.55%

HANWHA OCEAN LTD 0.24% 2.94%

LIG DEFENSE&AEROSPACE LTD 0.24% 6.67%

SNT DYNAMICS LTD 0.13% 3.94%

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 KDEF

POONGSAN CORP 6.04%

SK OCEANPLANT CO LTD 4.33%

SNT MOTIV CO LTD 4.25%

SAMHYUN CO LTD 3.71%

SATREC INITIATIVE CO LTD 3.71%

WOORI TECHNOLOGY INC 3.58%

SPHERE CORP 3.36%

HJ SHIPBUILDING & CONSTRUCT CO LTD 3.18%

Check overlap with more funds →

Window by window

Window by window: IDEF vs KDEF: Holdings Overlap & Returns
	Total return
Window	IDEF	KDEF
3 months	−14.0%	−22.9%
6 months	−12.4%	−49.1%
1 year	−5.8%	−28.3%
Since launchNot the same days: IDEF May 2025 · KDEF Feb 2025	+18.8%	+60.9%

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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 KDEF PLUS Korea Defense Industry Index ETF · Holds 20 stocks in defense, 0% of its weight in S&P 500 companies

Issuer iShares PLUS

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 20

Top ten, share of the fund 36.3% 70.4%

Expense ratio 0.55% 0.65%

Fee for the differing part 0.59% 0.65%

Total return, 1 year −5.8% −28.3%

vs its benchmark not measured not measured

Below its high −19.2% −50.7%

Net assets, IDEF as of Nov 4, 2026 and KDEF as of Aug 31, 2026 $3.6bn $113m

As of Nov 4, 2026. Source: ETFIQ.

5% of the two portfolios are the same securities at the same weight.

Client brief:

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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.

KDEF

By weight, 0% of KDEF'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 70% of the fund across 20 positions, as filed for Aug 31, 2026. Over the year to Nov 4, 2026 the fund returned −28.3% with distributions reinvested. It sits 50.7% below its all-time high of May 5, 2026.

Questions people ask

Do IDEF and KDEF hold the same stocks?: By their latest filings, 5% 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 KDEF?: IDEF has 40% of its weight in S&P 500 names and KDEF has 0%, so KDEF differs more from the index.
Which is cheaper, IDEF or KDEF?: IDEF charges 0.55% a year and KDEF charges 0.65%, so IDEF is cheaper. Fees come from each fund's prospectus.

Other comparisons

IDEF vs ITA IDEF vs NATO IDEF vs WDEF IDEF vs WAR KDEF vs PPA KDEF vs XAR KDEF vs SHLD KDEF 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 →KDEF on its own →IDEF dividend history →IDEF holdings →KDEF dividend history →KDEF holdings →Method →Standards and sources →

Sources and dates

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

KDEF filings on SEC EDGAR ↗

KDEF prospectus with the expense ratio (SEC) ↗

PLUS 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 KDEF, data as of Nov 4, 2026. https://etfiq.com/compare/themes/idef-vs-kdef

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