Step 1: Investors.
They use financial analysis to judge profitability and risk before investing.
Step 2: Shareholders.
They assess dividend potential, growth prospects, and financial stability.
Step 3: Debenture holders.
They are interested in the capacity of the firm to repay interest and principal safely.
Step 4: Conclude.
Since all these groups benefit from financial analysis, the correct answer is “All of them”.
Final Answer:
\[
\boxed{\text{All of them}}
\]