Aerospace Parts: 8 stocks

These companies make parts and systems for airliners and military aircraft. Spare parts bring steady sales as fleets fly, and defense budgets drive the rest.

As of Monday's close · Live for Pro members at the open

Aerospace Parts: 8 stocks
StockPriceQuality Score
5 more ranked, for Pro members. See them free →

Tested. Our top-⁠scored stocks returned 2.2x the average stock over the next month. How we tested it

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live, with prices that refresh every 2.5 seconds while the market is open.

See all 8 stocks rankedSee it live, free until Wednesday morning. No account. No card. Then keep going with a free account.

Why aerospace part stocks are down this week

Aerospace part stocks fell a median 1.5% from Oct 19 to Oct 26 (8 stocks); the S&P 500 fell 0.1%.

What moved them

  • No single story: 5 of 8 fell this week.

Questions about aerospace parts

Why are aerospace part stocks down this week?

Aerospace part stocks fell a median 1.5% from Oct 19 to Oct 26 (8 stocks); the S&P 500 fell 0.1%. No single story: 5 of 8 fell this week.

Which aerospace part stocks fell most this week?

Applied Aerospace & Defense (AADX) fell 4.9%, Astronics (ATRO) fell 4.0%, and Ducommun (DCO) fell 3.8%.

What are the biggest companies in aerospace parts?

The biggest by market cap are TransDigm Group (TDG) at $63B, Elbit Systems (ESLT) at $35B, and Arxis (ARXS) at $21B.

Which companies in aerospace parts does Breakaway rank highest?

Elbit Systems (ESLT) 12, Karman Holdings (KRMN) 10, and Arxis (ARXS) 8, the highest Quality Scores of the 8. Breakaway ranks every stock by its Quality Score, which reads each company's numbers and its chart; the ranking is information, not advice, and each stock's page shows the reasons behind its score.

Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs; recorded live since Sep 9 2026.

Breakaway publishes impersonal securities research and analytical tools: one formula, the same score for everyone. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security.

Market data from a licensed vendor. The age of every quote is shown on the page.

This browser is too old to show this page right. Update it, or open this page in Safari or Chrome.