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Data as of .

MISL vs NATO: which is really different?

MISL and NATO hold 53% of their weight in the same names, and MISL returned more over the year.

First Trust Indxx Aerospace & Defense ETF and Themes Transatlantic Defense ETF.

62.4%MISL in the S&P 500
58.4%NATO in the S&P 500
+6.4%MISL total return, 1 year
+0.6%NATO total return, 1 year

ETFIQ Off-Index Score: NATO scores higher

How much of it is not the index it is sold as an alternative to?

MISL 43.3NATO 44.50.1, the lowest in this set91.8, the highest

A percentile among the 379 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it · How it is computed

MISL38% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
62%38%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 98% · top ten 63% of the fund · 40 holdings filed Sep 18, 2026 · Nasdaq-100: 12% in62%38%in the S&P 500outsideactive share 98% · top ten 63% of the fund
NATO42% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
58%42%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 98% · top ten 59% of the fund · 84 holdings filed Jun 30, 2026 · Nasdaq-100: 5% in58%42%in the S&P 500outsideactive share 98% · top ten 59% of the fund

53% of the two portfolios are the same securities at the same weight.

What they hold in common

By the books each fund has filed, MISL and NATO hold 53% of their money in the same securities at the same weight.

Positions MISL and NATO both hold, largest shared weight first
HoldingMISLNATO
RTX Corporation8.30%7.61%
GE Aerospace7.34%9.73%
The Boeing Company7.48%7.28%
Lockheed Martin Corporation4.27%5.19%
General Dynamics Corporation3.95%3.63%
Howmet Aerospace Inc.3.56%4.85%
TransDigm Group Incorporated3.53%3.40%
Northrop Grumman Corporation4.10%3.37%
L3Harris Technologies, Inc.3.57%2.52%
Rocket Lab Corporation3.34%2.51%
Curtiss-Wright Corporation2.37%1.31%
FTAI Aviation Ltd.2.21%1.27%
Only in each
Only in MISLOnly in NATO
Palantir Technologies Inc. (Class A) 11.75%Rolls-Royce Holdings PLC 7.16%
Space Exploration Technologies Corp. (Class A) 8.81%Airbus SE 5.10%
AST SpaceMobile, Inc. 2.56%Safran SA 4.89%
Woodward, Inc. 2.16%BAE Systems PLC 3.38%
Leidos Holdings, Inc. 1.81%Honeywell International Inc 3.15%
CACI International Inc. 1.56%Honeywell Aerospace Inc 3.11%
Science Applications International Corporation 0.64%Rheinmetall AG 2.41%
Parsons Corporation 0.54%Axon Enterprise Inc 1.91%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and Sep 18, 2026.

Performance, window by window

MISL and NATO over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ.
WindowTotal returnvs the S&P 500vs the Nasdaq-100
MISLNATOMISLNATOMISLNATO
3 months−8.7%−6.6%−10.9 pts−8.9 pts−6.2 pts−4.1 pts
6 months−7.5%−3.4%−25.5 pts−21.5 pts−31.7 pts−27.7 pts
1 year+6.4%+0.6%−10.2 pts−16.0 pts−15.4 pts−21.2 pts
3 years+93.1%not published+14.7 ptsnot published−5.1 ptsnot published
Since launch+109.5%+49.9%−0.6 pts+15.4 pts−56.0 pts+2.3 pts
Open the live comparison on ETFIQ
MISL and NATO on the same fields, as of Sep 18, 2026. Source: ETFIQ.
MISL
First Trust Indxx Aerospace & Defense ETF
Holds 40 stocks in defense, 62% of its weight in S&P 500 companies
NATO
Themes Transatlantic Defense ETF
Holds 84 stocks in defense, 58% of its weight in S&P 500 companies
IssuerFirst TrustThemes
ThemeDefenseDefense
In the S&P 50062.4%58.4%
Active share vs the S&P 50097.5%97.6%
In the Nasdaq-10011.8%5.1%
Holdings4084
Top ten, share of the fund63.1%58.8%
Expense ratio0.60%0.35%
Fee for the differing part0.62%0.36%
Total return, 1 year+6.4%+0.6%
vs the S&P 500−10.2 pts−16.0 pts
vs the Nasdaq-100−15.4 pts−21.2 pts
Below its high−16.9%−14.4%
Net assets$704m$95m

MISL in plain words

By weight, 62% of MISL'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 63% of the fund across 40 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +6.4% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 10.2 pts. It sits 16.9% below its all-time high of Jan 16, 2026.

NATO in plain words

By weight, 58% of NATO'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 59% of the fund across 84 positions, as filed for Jun 30, 2026. Over the year to Sep 18, 2026 the fund returned +0.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 16.0 pts. It sits 14.4% below its all-time high of Mar 2, 2026.

Questions people ask

Do MISL and NATO hold the same stocks?
By their latest filings, 53% of their books are the same securities at the same weight, which is close to holding one of them twice. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, MISL or NATO?
MISL has 62% of its weight in S&P 500 names and NATO has 58%, so NATO differs more from the index.
Which is cheaper, MISL or NATO?
MISL charges 0.60% a year and NATO charges 0.35%, so NATO is cheaper. Fees come from each fund's prospectus.

Other comparisons

Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

MISL against NATO, ETFIQ, data as of Sep 18, 2026. Every figure is calculated from a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, MISL against NATO, data as of Sep 18, 2026. https://etfiq.com/compare/themes/misl-vs-nato Free to use with attribution; the underlying files are at Open data.

How every figure is computed · Standards and sources