TransDigm Buys Stellant Systems For $960M Cash — Bigger Push Into Defense, Space, And Aftermarket Parts

What Happened

TransDigm ($TDG) agreed to buy Stellant Systems from Arlington Capital Partners for about $960 million in cash (including certain tax benefits). Stellant designs and manufactures high-power electronic components and subsystems used across aerospace and defense, including space and satellite applications. Stellant is expected to do about $300 million of revenue in 2025, with roughly 50% tied to aftermarket sales, and most revenue coming from proprietary products.

Why This Matters To Traders

1. It’s classic TransDigm strategy: buy proprietary, hard-to-replace components with recurring aftermarket revenue.

2. It increases TransDigm’s exposure to defense/space electronics where demand is ris ...