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Data as of .

MISL vs PPA: which is really different?

MISL and PPA hold 64% of their weight in the same names.

First Trust Indxx Aerospace & Defense ETF and Invesco Aerospace & Defense ETF.

62.4%MISL in the S&P 500
71.7%PPA in the S&P 500
+6.4%MISL total return, 1 year
+6.0%PPA total return, 1 year

ETFIQ Off-Index Score: MISL scores higher

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

MISL 43.3PPA 36.90.1, 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
PPA28% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
72%28%of its weight in S&P 500 companiesoutside the S&P 500active share 96% · top ten 54% of the fund · 63 holdings filed Sep 19, 2026 · Nasdaq-100: 5% in72%28%in the S&P 500outsideactive share 96% · top ten 54% of the fund

64% 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 PPA hold 64% of their money in the same securities at the same weight.

Positions MISL and PPA both hold, largest shared weight first
HoldingMISLPPA
RTX Corporation8.30%8.16%
The Boeing Company7.48%6.87%
GE Aerospace7.34%6.77%
Lockheed Martin Corporation4.27%6.67%
Northrop Grumman Corporation4.10%5.04%
General Dynamics Corporation3.95%4.99%
L3Harris Technologies, Inc.3.57%3.73%
Howmet Aerospace Inc.3.56%3.97%
TransDigm Group Incorporated3.53%2.92%
Palantir Technologies Inc. (Class A)11.75%1.93%
Rocket Lab Corporation3.34%1.70%
HEICO Corporation3.56%1.50%
Only in each
Only in MISLOnly in PPA
Space Exploration Technologies Corp. (Class A) 8.81%Parker-Hannifin Corp 3.89%
AST SpaceMobile, Inc. 2.56%Honeywell Aerospace Inc 3.53%
FTAI Aviation Ltd. 2.21%Elbit Systems Ltd 3.50%
Intuitive Machines, Inc. (Class A) 0.34%Axon Enterprise Inc 2.96%
Astronics Corporation 0.32%Amphenol Corp 2.65%
US Dollar 0.21%Eaton Corp PLC 2.40%
National Presto Industries, Inc. 0.12%ATI Inc 1.74%
Carpenter Technology Corp 1.38%

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 Sep 18, 2026 and Sep 19, 2026.

Performance, window by window

MISL and PPA over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ.
WindowTotal returnvs the S&P 500vs the Nasdaq-100
MISLPPAMISLPPAMISLPPA
3 months−8.7%−8.8%−10.9 pts−11.0 pts−6.2 pts−6.3 pts
6 months−7.5%−5.5%−25.5 pts−23.5 pts−31.7 pts−29.7 pts
1 year+6.4%+6.0%−10.2 pts−10.6 pts−15.4 pts−15.8 pts
3 years+93.1%+98.2%+14.7 pts+19.8 pts−5.1 pts+0.1 pts
Since launch+109.5%+985.0%−0.6 pts+181.5 pts−56.0 pts−705.2 pts
Open the live comparison on ETFIQ
MISL and PPA 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
PPA
Invesco Aerospace & Defense ETF
Holds 63 stocks in defense, 72% of its weight in S&P 500 companies
IssuerFirst TrustInvesco
ThemeDefenseDefense
In the S&P 50062.4%71.7%
Active share vs the S&P 50097.5%96.4%
In the Nasdaq-10011.8%4.9%
Holdings4063
Top ten, share of the fund63.1%53.6%
Expense ratio0.60%0.58%
Fee for the differing part0.62%0.60%
Total return, 1 year+6.4%+6.0%
vs the S&P 500−10.2 pts−10.6 pts
vs the Nasdaq-100−15.4 pts−15.8 pts
Below its high−16.9%−13.8%
Net assets$704m$7.6bn

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.

PPA in plain words

By weight, 72% of PPA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 96%. The top ten holdings are 54% of the fund across 63 positions, as published by its issuer for Sep 19, 2026. Over the year to Sep 18, 2026 the fund returned +6.0% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 10.6 pts. It sits 13.8% below its all-time high of Mar 2, 2026.

Questions people ask

Do MISL and PPA hold the same stocks?
By their latest filings, 64% 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 PPA?
MISL has 62% of its weight in S&P 500 names and PPA has 72%, so MISL differs more from the index.
Which is cheaper, MISL or PPA?
MISL charges 0.60% a year and PPA charges 0.58%, so PPA 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 PPA, 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 PPA, data as of Sep 18, 2026. https://etfiq.com/compare/themes/misl-vs-ppa Free to use with attribution; the underlying files are at Open data.

How every figure is computed · Standards and sources