Bottom-up investing is an investment philosophy and research approach that focuses on analysing individual company fundamentals — business model, competitive moat, management quality, earnings growth trajectory, balance sheet strength, and valuation — as the primary basis for investment decisions, without placing significant emphasis on macroeconomic conditions, industry cycles, or top-down sector allocation. A bottom-up investor believes that exceptional individual companies can deliver outstanding returns regardless of the prevailing economic environment, and that finding genuinely superior businesses at attractive valuations is more important than trying to predict GDP growth, inflation, or interest rate cycles. Famous practitioners include Warren Buffett and Peter Lynch. In India, leading bottom-up equity fund managers — including several managers at marquee AMCs and Category I AIFs — have built track records by identifying high-quality, competitively protected businesses in sectors like consumer staples, specialty chemicals, private sector banks, and industrial automation before they received broad market recognition. Bottom-up investing requires deep, time-intensive fundamental research — including management meetings, plant visits, competitor analysis, and multi-year financial modelling — making it distinct from quantitative factor investing or macro-driven top-down asset allocation strategies.