This is our final episode in a series of four on TransDigm. In this discussion, we contrast TransDigm with traditional private equity portfolio companies, examine the company’s approach to capital allocation, and dissect Berkshire’s and Stockbridge’s position management over time. Our guest is Rob Small, a Managing Director at Berkshire Partners and Stockbridge, as well as a Director at TransDigm. Under Rob’s direction, Stockbridge has maintained a concentrated position in TransDigm and demonstrated remarkable conviction to add (and occasionally trim) at opportune times.