iShares Total US Stock Market Idx Inv A (BASMX) Fund Overview

iShares Total US Stock Market Idx Inv A (BASMX) Financial Services Profile

iShares Total US Stock Market Idx Inv A (BASMX) provides investors with comprehensive exposure to the U.S. equity market by mirroring the Russell 3000® Index. As a passively managed fund, BASMX offers a cost-effective way to track the performance of a broad range of U.S. stocks, appealing to investors seeking diversification.

What Is the Investment Thesis for BASMX?

With a market capitalization of $4.30 billion, BASMX provides diversified access to approximately 98% of the investable U.S. equity market through its replication of the Russell 3000® Index. The fund's passive management strategy ensures a high degree of correlation with the index, making it a cost-effective option for investors. A key value driver is the fund's ability to capture the overall performance of the U.S. stock market, benefiting from the growth of various sectors and industries. The ongoing economic expansion in the U.S., coupled with favorable corporate earnings, serves as a catalyst for potential gains in the fund's value. However, potential risks include market volatility and economic downturns, which could negatively impact the fund's performance. The fund's beta of 1.04 indicates that it is slightly more volatile than the overall market.

Based on FMP financials and quantitative analysis

BASMX Key Highlights

Market Cap: $4.30 billion, reflecting the fund's significant size and broad market representation.

• Beta: 1.04, indicating slightly higher volatility compared to the overall market.
• Tracks the Russell 3000® Index, providing exposure to approximately 98% of the U.S. equity market.
• Passively managed, ensuring a high degree of correlation with the underlying index.
• Offers diversified exposure across various sectors and industries within the U.S. economy.

Who Are BASMX's Competitors?

BASMX is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are BASMX's Key Strengths?

Broad diversification across the U.S. equity market.

• Low expense ratio compared to actively managed funds.
• High degree of correlation with the Russell 3000® Index.
• Managed by BlackRock, a leading asset manager.

What Are BASMX's Weaknesses?

Limited potential for outperformance due to passive management.

• Vulnerable to market downturns and economic recessions.
• No dividend yield.
• Tracking error, although typically minimal.

What Are the Key Risks for BASMX?

Rich valuation — a P/E of 25.20 runs well above the Financial Services sector’s ~17.20x, leaving little room for a miss.

• Market corrections and economic recessions negatively impacting fund performance.
• Increased competition among ETF providers leading to fee compression.
• Interest rate hikes by the Federal Reserve, potentially dampening equity valuations.
• Geopolitical risks and trade tensions affecting global markets.
• Tracking error, although typically minimal, can impact returns.

What Threats Does BASMX Face?

• Increased competition from other index funds and ETFs.
• Market volatility and economic uncertainty.
• Changes in investor preferences and regulatory requirements.
• Potential for tracking error and operational risks.

What Are BASMX's Competitive Advantages?

• Scale: As part of BlackRock, BASMX benefits from the firm's large asset base and economies of scale.
• Brand Recognition: BlackRock is a well-known and respected brand in the asset management industry.
• Low Expense Ratio: BASMX offers a competitive expense ratio compared to actively managed funds.
• Index Tracking: The fund's passive management strategy ensures a high degree of correlation with the Russell 3000® Index.

What Does BASMX Do?

iShares Total US Stock Market Idx Inv A (BASMX) is an exchange-traded fund (ETF) designed to replicate the investment results of the Russell 3000® Index. Launched with the objective of providing broad exposure to the U.S. equity market, BASMX has evolved into a significant investment vehicle for both retail and institutional investors. The Russell 3000® Index is a float-adjusted, capitalization-weighted index that represents approximately 98% of the investable U.S. equity market. BASMX invests at least 90% of its assets, plus any borrowings for investment purposes, in the securities of the underlying index. This strategy ensures a high degree of correlation between the fund's performance and the index's returns. The fund's investment approach is passive, meaning it seeks to replicate the index rather than outperform it through active management. BASMX is managed by BlackRock, one of the world's largest asset managers, leveraging their expertise in index tracking and ETF management. The fund's portfolio includes a wide array of U.S. stocks, ranging from large-cap to small-cap companies, providing investors with diversified exposure across various sectors and industries within the U.S. economy. BASMX is domiciled in the United States and is available to investors globally, offering a convenient and cost-effective way to invest in the U.S. equity market.

What Products and Services Does BASMX Offer?

• Tracks the investment results of the Russell 3000® Index.
• Provides broad exposure to the U.S. equity market.
• Invests primarily in securities of the underlying index.
• Offers a float-adjusted capitalization-weighted portfolio.
• Seeks to replicate the index's performance through passive management.
• Provides investors with a diversified investment in U.S. stocks.

How Does BASMX Make Money?

• Generates revenue through management fees charged on assets under management (AUM).
• Employs a passive investment strategy, minimizing trading costs and maximizing index tracking.
• Leverages BlackRock's expertise in index tracking and ETF management.
• Offers a cost-effective way for investors to access the U.S. equity market.

What Industry Does BASMX Operate In?

iShares Total US Stock Market Idx Inv A (BASMX) operates within the asset management industry, which is characterized by increasing competition and evolving investor preferences. The industry is experiencing a shift towards passive investment strategies, driven by the desire for lower costs and broad market exposure. BASMX competes with other index funds and ETFs that track similar benchmarks, such as those offered by APHYX, ASVIX, BDSAX, BDSCX and BDSIX. The growth of the asset management industry is closely tied to the performance of the global economy and the level of investor confidence. As of 2026, the industry is expected to continue growing, driven by rising disposable incomes and increasing demand for retirement planning solutions.

Who Are BASMX's Key Customers?

• Retail investors seeking broad U.S. equity exposure.
• Institutional investors, such as pension funds and endowments.
• Financial advisors and wealth managers.
• High-net-worth individuals.

BASMX Financials

BASMX Latest News

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BASMX Analyst Consensus

BASMX MoonshotScore

What Investors Ask About iShares Total US Stock Market Idx Inv A (BASMX) — Financials

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

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