The 10.8-point gross margin recovery since the 2025Q1 trough aligns with the completion of Fab 2 and higher volumes, confirming the high-fixed-cost model's operating leverage. However, the persistent gap between operating margin (24.3%) and net margin (34.7%) in 2026Q2 suggests non-operating gains or tax benefits are inflating reported profitability. Investors should normalize for these items to assess sustainable earning power, as the core operating margin, while improved, remains below the 32.2% peak seen in 2025Q2.

The sharp swing from negative ROIC in early 2024 to positive territory reflects the cyclicality of Vicor's asset-heavy model, where returns are highly sensitive to volume. The 2025Q2 ROIC of 12.0% demonstrates the potential when utilization is high, but the current 7.0% suggests the new Fab 2 capacity is not yet fully absorbed. As revenue grows into this capacity, ROIC should trend toward prior peaks, but the pace depends on sustaining demand across AI and industrial segments.

The 119-day CCC improvement is notable, but the absolute level remains high due to DIO of 151 days, which reflects Vicor's build-to-stock strategy for modular products. DSO has also compressed to 46 days from 60 days, suggesting better collection discipline, while DPO remains stable around 28 days, indicating limited supplier leverage. The inventory build, while necessary for anticipated demand, poses obsolescence risk if customer specifications shift, warranting close monitoring of DIO trends.

Vicor's fortress balance sheet, with a current ratio of 13.25 and negligible leverage, means interest coverage is effectively infinite and covenant risk is non-existent. This financial capacity supports continued investment in R&D and potential strategic moves, but also suggests management is prioritizing internal growth over shareholder returns, as evidenced by minimal buybacks and no dividends. The low D/EBITDA of 0.20 indicates the company could take on significant debt if needed, though current strategy appears to favor equity-funded expansion.

While VICR's P/E is lower than MPWR's, its EV/EBITDA is nearly double, reflecting lower EBITDA margins and higher capital intensity. VICR's ROIC of 7.0% trails MPWR's 22.2%, suggesting the market is valuing VICR on future AI design wins rather than current returns. The PEG of 1.78 implies expected growth is already priced in, leaving little room for execution misses. This valuation gap may narrow if VICR sustains margin expansion, but it also exposes the stock to de-rating if AI demand softens.