As the Q4 earnings season wraps, let’s dig into this quarter’s best and worst performers in the aerospace industry, including HEICO (NYSE:HEI) and its peers.

Aerospace companies often possess technical expertise and have made significant capital investments to produce complex products. It is an industry where innovation is important, and lately, emissions and automation are in focus, so companies that boast advances in these areas can take market share. On the other hand, demand for aerospace products can ebb and flow with economic cycles and geopolitical tensions, which can be particularly painful for companies with high fixed costs.

The 14 aerospace stocks we track reported a mixed Q4. As a group, revenues along with next quarter’s revenue guidance were in line with analysts’ consensus estimates.

Amidst this news, share prices of the companies have had a rough stretch. On average, they are down 11.9% since the latest earnings results.

Best Q4: HEICO (NYSE:HEI)

Founded in 1957, HEICO (NYSE:HEI) manufactures and services aerospace and electronic components for commercial aviation, defense, space, and other industries.

HEICO reported revenues of $1.03 billion, up 14.9% year on year. This print exceeded analysts’ expectations by 5.4%. Overall, it was an incredible quarter for the company with an impressive beat of analysts’ organic revenue estimates and a solid beat of analysts’ EPS estimates.

The stock is up 6.2% since reporting and currently trades at $241.90.

We think HEICO is a good business, but is it a buy today? Read our full report here, it’s free.

AerSale (NASDAQ:ASLE)

Providing a one-stop shop that integrates multiple services and product offerings, AerSale (NASDAQ:ASLE) delivers full-service support to mid-life commercial aircraft.

AerSale reported revenues of $94.74 million, flat year on year, outperforming analysts’ expectations by 3.4%. The business had an exceptional quarter with a solid beat of analysts’ EBITDA estimates.

The stock is down 6.6% since reporting. It currently trades at $6.61.

Is now the time to buy AerSale? Access our full analysis of the earnings results here, it’s free .

Weakest Q4: Boeing (NYSE:BA)

One of the companies that forms a duopoly in the commercial aircraft market, Boeing (NYSE:BA) develops, manufactures, and services commercial airplanes, defense products, and space systems.

Boeing reported revenues of $15.24 billion, down 30.8% year on year, falling short of analysts’ expectations by 6.4%. It was a disappointing quarter as it posted a significant miss of analysts’ adjusted operating income estimates.