Do ITA and QTUM 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, ITA or QTUM?

ITA has 81% of its weight in S&P 500 names and QTUM has 38%, so ITA differs more from the index.

Which is cheaper, ITA or QTUM?

ITA charges 0.37% a year and QTUM charges 0.40%, so ITA is cheaper. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Thematic ETFs

ITA vs QTUM: Holdings Overlap & Returns

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Over the year to Oct 28, 2026, ITA returned −4.3% to QTUM's +28.9%; 5% of their weight is in the same names.

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Net assets on Oct 27, 2026: $12.0bn for iShares U.S. Aerospace & Defense ETF and $5.4bn for Defiance Quantum ETF.

ITA on its own →QTUM on its own →

At a glance

80.8%

ITA in the S&P 500

37.5%

QTUM in the S&P 500

−4.3%

ITA total return, 1 year

+28.9%

QTUM total return, 1 year

ITA · 1 year to Oct 28, 2026 19% of its weight is outside the S&P 500

81% of ITA's weight is in S&P 500 companies and 19% is outside the index. Holdings as of Oct 27, 2026.

QTUM · 1 year to Oct 28, 2026 63% of its weight is outside the S&P 500

38% of QTUM's weight is in S&P 500 companies and 63% is outside the index. Holdings as of Oct 28, 2026.

Pair scorecard

ITA costs 0.03 points a year less; their one-year returns differ by 33.2 points; ITA is 2.2 times larger.

ITA vs QTUM: Holdings Overlap & Returns
Measure	ITA	QTUM
Return
Measure	ITA	QTUM
Total return, 1 year	−4.3%	+28.9%
Drawdown
Measure	ITA	QTUM
Below its all-time high	17.9%, high on Aug 14, 2026	14.3%, high on Jun 2, 2026
Benchmark
Measure	ITA	QTUM
What it tracks	Defense	Quantum computing
Cost and size
Measure	ITA	QTUM
Expense ratio	0.37%	0.40%
Net assets, as of Oct 27, 2026	$12.0bn	$5.4bn
Holdings
Measure	ITA	QTUM
Holdings in common	5%
Top ten holdings, share of the fund	76%	18%

Holdings in common uses holdings dated Oct 27, 2026 and Oct 28, 2026. Method

Risk and return

Sep 14, 2018 to Oct 23, 2026 · 423 weekly returns

ITA QTUM

Return

Total return edge QTUM +103.8% +489.3%

Annualized edge QTUM +9.1% +24.4%

Price return edge QTUM +88.1% +450.1%

Risk

Volatility edge QTUM (slight) 26.8% 26.3%

Max drawdown edge QTUM −49.3% −38.1%

Risk-adjusted

Sharpe edge QTUM 0.36 0.86

Sortino edge QTUM 0.51 1.28

Calmar edge QTUM 0.19 0.64

Reading

QTUM returned more: +489.3% to +103.8%. QTUM swung slightly less: 26.3% to 26.8%. QTUM fell less at its worst: −38.1% to −49.3%.

Full scorecard

9 measures, with how each is measured Open ↓

Risk and return: ITA vs QTUM: Holdings Overlap & Returns
Measure	ITA	QTUM	Edge	How it is measured
Return
Total return	+103.8%	+489.3%	QTUM	Price change plus distributions, reinvested.
Annualized	+9.1%	+24.4%	QTUM	Total return as a yearly rate.
Price return	+88.1%	+450.1%	QTUM	Price change alone, distributions left out.
Risk
Volatility	26.8%	26.3%	QTUM (slight)	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	18.8%	17.6%	QTUM (slight)	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−49.3%	−38.1%	QTUM	Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe	0.36	0.86	QTUM	Return above Treasury bills per unit of volatility.
Sortino	0.51	1.28	QTUM	Return above Treasury bills per unit of downside deviation.
Calmar	0.19	0.64	QTUM	Annualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 423 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

By the books each fund has filed, ITA and QTUM hold 5% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026 and Oct 28, 2026.

50%

0 half 100%

half

5% in common

Positions both hold · largest shared weight first ITA QTUM

LOCKHEED MARTIN 5.66% 1.46%

RTX 17.06% 1.34%

NORTHROP GRUMMAN CORP 5.09% 1.24%

HONEYWELL AEROSPACE INC 4.16% 0.52%

Only in one fund ↓

Only in ITA

GE AEROSPACE 20.09%

BOEING 6.81%

GENERAL DYNAMICS CORP 4.79%

TRANSDIGM GROUP 4.78%

HOWMET AEROSPACE 3.93%

L3HARRIS TECHNOLOGIES 3.77%

AXON ENTERPRISE 2.70%

ROCKET LAB CORP 2.51%

Only in QTUM

Global Unichip Corp 2.43%

Elastic Nv 2.14%

Horizon Quantum Holdings Ltd 1.86%

Palantir Technologies Inc 1.84%

Nutanix Inc 1.78%

Cloudflare Inc 1.77%

Snowflake Inc 1.73%

Arqit Quantum Inc 1.72%

Check overlap with more funds →

Window by window

Window by window: ITA vs QTUM: Holdings Overlap & Returns
	Total return
Window	ITA	QTUM
3 months	−12.0%	+9.1%
6 months	−2.4%	+11.2%
1 year	−4.3%	+28.9%
3 years	+97.8%	+229.7%
Since launchNot the same days: ITA May 2006 · QTUM Sep 2018	+892.2%	+522.8%

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Side by side

ITA iShares U.S. Aerospace & Defense ETF · Holds 51 stocks in defense, 81% of its weight in S&P 500 companies QTUM Defiance Quantum ETF · Holds 85 stocks in quantum computing, 38% of its weight in S&P 500 companies

Issuer iShares Defiance

Theme Defense Quantum computing

In the S&P 500 80.8% 37.5%

Active share vs the S&P 500 97.7% 82.2%

In the Nasdaq-100 2.7% 28.0%

Holdings 51 85

Top ten, share of the fund 76.1% 18.5%

Expense ratio 0.37% 0.40%

Fee for the differing part 0.38% 0.49%

Total return, 1 year −4.3% +28.9%

vs its benchmark not measured not measured

Below its high −17.9% −14.3%

Net assets, as of Oct 27, 2026 $12.0bn $5.4bn

As of Oct 28, 2026. Source: ETFIQ.

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

Client brief · page 1 of 2 Report BR-B3F3BEAF13

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

Theme. ITA covers Defense and QTUM covers Quantum computing.
Concentration. The top ten holdings are 76.1% of ITA and 18.5% of QTUM, a gap of 57.6 points.
What each follows. ITA follows Defense and QTUM follows Quantum computing.

Data as of Oct 28, 2026.

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About each fund

ITA

By weight, 81% of ITA'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 76% of the fund across 51 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned −4.3% with distributions reinvested. It sits 17.9% below its all-time high of Aug 14, 2026.

QTUM

By weight, 38% of QTUM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 82%. The top ten holdings are 18% of the fund across 85 positions, as published by its issuer for Oct 28, 2026. Over the year to Oct 28, 2026 the fund returned +28.9% with distributions reinvested. It sits 14.3% below its all-time high of Jun 2, 2026.

Questions people ask

Do ITA and QTUM 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, ITA or QTUM?: ITA has 81% of its weight in S&P 500 names and QTUM has 38%, so ITA differs more from the index.
Which is cheaper, ITA or QTUM?: ITA charges 0.37% a year and QTUM charges 0.40%, so ITA is cheaper. Fees come from each fund's prospectus.

Other comparisons

ITA vs XT ITA vs ARTY ITA vs XME ITA vs NLR QTUM vs IDEF QTUM vs PPA QTUM vs SHLD QTUM vs XAR

Where to next

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

Sources and dates

ITA filings on SEC EDGAR ↗

ITA prospectus with the expense ratio (SEC) ↗

iShares page for ITA ↗

QTUM filings on SEC EDGAR ↗

QTUM prospectus with the expense ratio (SEC) ↗

Defiance page for QTUM ↗

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, ITA against QTUM, data as of Oct 28, 2026. https://etfiq.com/compare/themes/ita-vs-qtum

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