MACOM Technology: Excellent Execution, Uncomfortable Multiple

MACOM Technology Solutions Holdings is rated Hold as its forward EV/EBITDA of 46x sits 58 percent above its five-year average despite strong operational execution. My probability-weighted valuation is $272.83 per share, 9.6 percent below the current price, with scenarios ranging from $155.86 in the bear case to $383.95 in the bull case. Strong Q3 growth is offset by rising Customer A and China revenue concentration alongside $340.5 million in now-current convertible notes. The headline GAAP EPS beat relies on a non-cash gain from the IQE stake, which masks underlying earnings quality. I will monitor Q4 performance against the $415–425 million revenue guide, gross margin expansion targets, and customer diversification.

MACOM's third quarter was strong on every operating line: revenue up 35.8% and accelerating, gross margin up 300 bps, operating margin up 750 bps, and Data Center up 81.5% to become the largest segment. The problem is price and concentration, not