AAR Corp. (AIR) vs Firefly Aerospace, Inc. (FLY)

AAR Corp. and Firefly Aerospace, Inc. are both Aerospace & Defense companies. AAR Corp. is the larger, with a market value of $4.9B against $3.9B — 1.2× the size. Firefly Aerospace, Inc. has negative trailing earnings, so its P/E is not meaningful; AAR Corp. trades at 23.8×. Firefly Aerospace, Inc. grew revenue faster over the last twelve months: 179.2% against 19.0%. AAR Corp. has the higher net margin (5.67% vs −129.1%) and the higher return on invested capital (6.97% vs −34.8%). Across the 17 metrics below, AAR Corp. leads on 14 and Firefly Aerospace, Inc. on 3.