Do CIBR and IDEF 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, CIBR or IDEF?

CIBR has 61% of its weight in S&P 500 names and IDEF has 42%, so IDEF differs more from the index.

Which is cheaper, CIBR or IDEF?

CIBR charges 0.58% a year and IDEF charges 0.55%, so IDEF is cheaper. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Thematic ETFs

CIBR vs IDEF: Holdings Overlap & Returns

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Over the year to Oct 28, 2026, CIBR returned +39.0% to IDEF's −5.7%; 9% of their weight is in the same names.

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Net assets: $19.0bn on Oct 27, 2026 for First Trust NASDAQ Cybersecurity ETF, and $3.7bn on Oct 28, 2026 for iShares Defense Industrials and Tech Active ETF.

CIBR on its own →IDEF on its own →

At a glance

60.8%

CIBR in the S&P 500

42.5%

IDEF in the S&P 500

+39.0%

CIBR total return, 1 year

−5.7%

IDEF total return, 1 year

CIBR · 1 year to Oct 28, 2026 39% of its weight is outside the S&P 500

61% of CIBR's weight is in S&P 500 companies and 39% is outside the index. Holdings as of Oct 27, 2026.

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.

Pair scorecard

IDEF costs 0.03 points a year less; their one-year returns differ by 44.7 points; CIBR is 5.1 times larger.

CIBR vs IDEF: Holdings Overlap & Returns
Measure	CIBR	IDEF
Return
Measure	CIBR	IDEF
Total return, 1 year	+39.0%	−5.7%
Drawdown
Measure	CIBR	IDEF
Below its all-time high		17.0%, high on Mar 2, 2026
Benchmark
Measure	CIBR	IDEF
What it tracks	Cybersecurity	Defense
Cost and size
Measure	CIBR	IDEF
Expense ratio	0.58%	0.55%
Net assets, as of Oct 27, 2026	$19.0bn	$3.7bn
Holdings
Measure	CIBR	IDEF
Holdings in common	9%

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

Risk and return

May 30, 2025 to Oct 23, 2026 · 73 weekly returns

CIBR IDEF

Return

Total return edge CIBR +48.7% +14.9%

Annualized edge CIBR +32.7% +10.4%

Price return edge CIBR +47.8% +14.5%

Risk

Volatility edge IDEF 26.7% 22.4%

Max drawdown edge IDEF −21.2% −17.1%

Risk-adjusted

Sharpe edge CIBR 1.05 0.38

Sortino edge CIBR 1.74 0.58

Calmar edge CIBR 1.54 0.61

Reading

CIBR returned more: +48.7% to +14.9%. IDEF swung less: 22.4% to 26.7%. IDEF fell less at its worst: −17.1% to −21.2%.

Full scorecard

9 measures, with how each is measured Open ↓

Risk and return: CIBR vs IDEF: Holdings Overlap & Returns
Measure	CIBR	IDEF	Edge	How it is measured
Return
Total return	+48.7%	+14.9%	CIBR	Price change plus distributions, reinvested.
Annualized	+32.7%	+10.4%	CIBR	Total return as a yearly rate.
Price return	+47.8%	+14.5%	CIBR	Price change alone, distributions left out.
Risk
Volatility	26.7%	22.4%	IDEF	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	16.1%	14.7%	IDEF (slight)	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−21.2%	−17.1%	IDEF	Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe	1.05	0.38	CIBR	Return above Treasury bills per unit of volatility.
Sortino	1.74	0.58	CIBR	Return above Treasury bills per unit of downside deviation.
Calmar	1.54	0.61	CIBR	Annualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 73 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

By the books each fund has filed, CIBR and IDEF hold 9% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

9% in common

Positions both hold · largest shared weight first CIBR IDEF

Thales S.A. 1.68% 2.15%

Palo Alto Networks, Inc. 7.66% 1.46%

Microsoft Corporation 1.91% 1.34%

CrowdStrike Holdings, Inc. (Class A) 8.46% 1.30%

Fortinet, Inc. 7.89% 0.85%

Leidos Holdings, Inc. 1.82% 0.59%

Broadcom Inc. 6.74% 0.55%

Science Applications International Corporation 0.87% 0.55%

Zscaler, Inc. 4.41% 0.52%

Radware Ltd. 0.15% 0.21%

International Business Machines Corporation 1.95% 0.13%

Only in one fund ↓

Only in CIBR

Cisco Systems, Inc. 7.35%

Okta, Inc. 4.49%

Cloudflare, Inc. (Class A) 3.92%

F5, Inc. 3.50%

Rubrik, Inc. (Class A) 2.99%

Accenture plc 2.26%

NetApp, Inc. 2.24%

Datadog, Inc. (Class A) 2.16%

Only in IDEF

RTX 7.05%

LOCKHEED MARTIN 5.27%

GENERAL DYNAMICS CORP 4.15%

NORTHROP GRUMMAN CORP 3.92%

BOEING 3.44%

ROLLS-ROYCE HOLDINGS PLC 3.06%

PALANTIR TECHNOLOGIES CLASS A 3.02%

SPACE EXPLORATION TECHNOLOGIES COR 2.93%

Check overlap with more funds →

Window by window

Window by window: CIBR vs IDEF: Holdings Overlap & Returns
	Total return
Window	CIBR	IDEF
3 months	+21.5%	−3.0%
6 months	+59.2%	−5.8%
1 year	+39.0%	−5.7%
3 years	+149.7%	–
Since launchNot the same days: CIBR Jul 2015 · IDEF May 2025	+472.8%	+22.1%

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

Side by side

CIBR First Trust NASDAQ Cybersecurity ETF · Holds 45 stocks in cybersecurity, 61% of its weight in S&P 500 companies IDEF iShares Defense Industrials and Tech Active ETF · Holds 155 stocks in defense, 42% of its weight in S&P 500 companies

Issuer First Trust iShares

Theme Cybersecurity Defense

In the S&P 500 60.8% 42.5%

Active share vs the S&P 500 90.9% 92.2%

In the Nasdaq-100 48.3% 10.7%

Holdings 45 155

Top ten, share of the fund 57.4% 37.3%

Expense ratio 0.58% 0.55%

Fee for the differing part 0.64% 0.60%

Total return, 1 year +39.0% −5.7%

vs its benchmark not measured not measured

Below its high −1.9% −17.0%

Net assets, CIBR as of Oct 27, 2026 and IDEF as of Oct 28, 2026 $19.0bn $3.7bn

As of Oct 28, 2026. Source: ETFIQ.

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

Client brief · page 1 of 2 Report BR-3DFE59F144

CIBR and IDEF are built for the same job. How do they differ in cost, holdings and results?

Theme. CIBR covers Cybersecurity and IDEF covers Defense.
Concentration. The top ten holdings are 57.4% of CIBR and 37.3% of IDEF, a gap of 20.1 points.
What each follows. CIBR follows Cybersecurity and IDEF follows Defense.

Data as of Oct 28, 2026.

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About each fund

CIBR

By weight, 61% of CIBR's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 91%. The top ten holdings are 57% of the fund across 45 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +39.0% with distributions reinvested.

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.

Questions people ask

Do CIBR and IDEF 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, CIBR or IDEF?: CIBR has 61% of its weight in S&P 500 names and IDEF has 42%, so IDEF differs more from the index.
Which is cheaper, CIBR or IDEF?: CIBR charges 0.58% a year and IDEF charges 0.55%, so IDEF is cheaper. Fees come from each fund's prospectus.

Other comparisons

CIBR vs XAR CIBR vs SHLD CIBR vs PPA CIBR vs ITA IDEF vs DRAM IDEF vs IGV IDEF vs GDX IDEF vs GRID

Where to next

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

Sources and dates

CIBR filings on SEC EDGAR ↗

CIBR prospectus with the expense ratio (SEC) ↗

First Trust page for CIBR ↗

IDEF filings on SEC EDGAR ↗

IDEF prospectus with the expense ratio (SEC) ↗

iShares page for IDEF ↗

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, CIBR against IDEF, data as of Oct 28, 2026. https://etfiq.com/compare/themes/cibr-vs-idef

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