The fund manager is the investment professional at an AMC who decides what securities to buy, hold, or sell in a mutual fund — steering the portfolio toward the fund's stated objective.
In actively managed funds, the fund manager's judgment drives all portfolio decisions: which stocks to overweight, which bonds to avoid, how to respond to economic changes. In passive funds (index funds, ETFs), the fund manager's role is mechanical — tracking the benchmark index with minimal discretion. Most top AMCs have a Chief Investment Officer (CIO) who oversees multiple portfolio managers, each handling one or more schemes. Fund managers are typically CFA charterholders or MBA finance graduates with 10–20 years of market experience.
The fund manager is the captain of your investment ship. Their job is to navigate your money toward the fund's destination (stated objective) while managing the storms (market risks) along the way. In a well-managed fund, the captain has a proven track record, doesn't change course without reason, and operates within the fund's stated strategy. In an index fund, the captain simply follows a fixed route (the index) — no discretion needed.
Fund manager reads company annual reports, meets management teams, analyses macroeconomics, and studies sector trends.
Based on research, they build and adjust the portfolio within the fund's mandate and SEBI limits.
They manage position sizes, liquidity, and sector weights — documented in monthly factsheets.
Passive fund managers simply match the index composition, rebalancing only when the index changes.