This study examines the effects of investment decisions, financing decisions, and dividend policy on firm value at PT Astra International Tbk during 2016–2025. Using a quantitative associative approach, the study analyzes secondary data from the company’s annual reports. Investment decisions are measured by Price Earning Ratio (PER), financing decisions by Debt to Equity Ratio (DER), dividend policy by Dividend Payout Ratio (DPR), and firm value by Price to Book Value (PBV). The analysis uses descriptive statistics, classical assumption tests, multiple linear regression, t-test, F-test, and coefficient of determination with SPSS 27. The findings indicate that investment decisions have a positive and significant effect on firm value. Financing decisions also show a positive and significant effect, while dividend policy does not have a significant partial effect. Jointly, the three financial decisions significantly affect firm value. The results imply that investment quality and financing structure are more decisive for market valuation than dividend distribution alone.
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