Fund's Net Asset Value (NAV): NAV is a primary driver. It reflects the market value of the fund's underlying holdings, minus liabilities, divided by the number of outstanding shares.

Market Conditions: Broad market trends (bull or bear markets), economic indicators (inflation, interest rates), and geopolitical events impact the value of underlying assets.

Fund's Investment Strategy: The fund's asset allocation (stocks, bonds, real estate) and investment style (growth, value) influence its sensitivity to market fluctuations.

Fund Manager's Performance: The fund manager's investment decisions, security selection, and risk management skills directly affect the fund's returns and, therefore, its price.

Supply and Demand: Investor demand for BLZIX.US shares can affect its price, especially if the fund is not efficiently priced or has limited liquidity.

Expense Ratio: Higher expense ratios can detract from returns, potentially impacting the fund's price relative to its peers.

Fund Flows: Significant inflows or outflows of investor capital can impact the fund's ability to execute its investment strategy and, consequently, its performance.

Interest Rates: Changes in interest rates can impact bond valuations within the fund, thus affecting the overall fund value.