# iShares Total US Stock Market Idx Inv A (BASMX): Mutual Fund Facts & Distributions > Markdown mirror of https://www.dividenddata.com/funds/basmx for AI agents. Same live data as the HTML page, regenerated on the same refresh cycle. Not investment advice. - Issuer: BlackRock · Asset class: Equity - Strategy: Passive Index · Inception: 2015-08-13 This fund aims to replicate the investment performance of the Russell 3000® Index, a widely recognized benchmark that gauges the overall health of the United States stock market. The underlying index is structured as a float-adjusted, market capitalization-weighted aggregation of the largest publicly traded companies based within the U.S. and its associated territories. To fulfill its mandate, the fund typically commits a minimum of 90% of its total assets, inclusive of any borrowed capital designated for investment, directly into the constituent securities of this benchmark index. ## Key Facts | Metric | Value | |---|---| | Price | $34.94 | | Expense Ratio | 0.33% | | Assets Under Management | $4.91B | | NAV | $34.73 | | Holdings Count | 2641 | | Distribution Yield (TTM) | 0.77% | | Annual Distribution (TTM) | $0.27 /share | | Distribution Frequency | Quarterly | | 52-Week Range | $28.91 – $35.50 | | Beta | 1.01 | ## Latest Distribution - Amount: $0.0666 /share - Ex-date: 2026-10-14 - Pay date: 2026-10-15 ## Frequently Asked Questions ### What does BASMX invest in? This fund aims to replicate the investment performance of the Russell 3000® Index, a widely recognized benchmark that gauges the overall health of the United States stock market. The underlying index is structured as a float-adjusted, market capitalization-weighted aggregation of the largest publicly traded companies based within the U.S. and its associated territories. To fulfill its mandate, the fund typically commits a minimum of 90% of its total assets, inclusive of any borrowed capital designated for investment, directly into the constituent securities of this benchmark index. ### What is the expense ratio of BASMX? iShares Total US Stock Market Idx Inv A (BASMX) charges an expense ratio of 0.33%. This is the annual fee deducted from fund assets to cover management and operations. ### How big is BASMX? iShares Total US Stock Market Idx Inv A (BASMX) manages $4.91B in total assets. AUM determines bid-ask liquidity and the fund's vulnerability to closure. Funds below ~$50M are at higher risk of liquidation. ### Is BASMX actively managed or an index fund? BASMX is a passive index fund. It tracks a published benchmark by holding the constituents in their published weights. Index funds typically charge low expense ratios (BASMX's is 0.33%) because there's no security selection cost. ### When was BASMX launched? iShares Total US Stock Market Idx Inv A (BASMX) launched in August 2015 and is managed by BlackRock. ### How has BASMX performed? BASMX's total return (price change plus reinvested distributions) is charted at the top of this page. Switch the price chart to Total Return and pick a 1-year, 3-year, 5-year, or 10-year window to read the compound annual growth rate (CAGR) over each horizon. ### Does BASMX pay a dividend? iShares Total US Stock Market Idx Inv A (BASMX) currently distributes little or no income. Trailing-twelve-month yield is 0.77%. Investors looking for income should consider income-focused alternatives. See the Peers tab. ### How often does BASMX pay dividends? iShares Total US Stock Market Idx Inv A pays dividends Quarterly. Each ex-dividend date, record date, and payment date is listed in the dividend history table on this page. ### What is BASMX's dividend yield? BASMX's trailing-twelve-month yield is 0.77%, calculated from the sum of dividends over the past year divided by the current price. ### When is BASMX's next ex-dividend date? The most recently announced ex-dividend date for BASMX was 2026-10-14. The next ex-date typically follows Quarterly; once announced it appears at the top of the dividend history table on this page. ### How much will BASMX's expense ratio cost me over 30 years? On a $10,000 investment compounding at 7% gross return, a 0.33% expense ratio quietly compounds against your balance every year. The Fee Compounding Forecast card above projects the dollar drag for any holding period and assumption you pick. The typical result for a 1.0% expense ratio on a 30-year hold is roughly 25% of the final balance lost to fees. ### How does BASMX charge its expense ratio? The expense ratio is deducted in tiny daily slices from BASMX's net asset value (NAV). You never see a bill. The price quoted on every exchange is already net of fees. There's no "fee day" to avoid; the cost is continuous and built into the trading price. ### Why does BASMX cost more than a fund like VOO? BASMX is a passive index fund (current expense ratio 0.33%). Differences from broad-market ETFs like VOO usually come from index licensing fees, asset class (bond funds typically run cheaper than equity), or fund scale (smaller funds spread fixed operating costs across less AUM). ### Are there cheaper alternatives to BASMX? The Lower-Fee Alternatives card above lists mutual funds following the same investment strategy as BASMX (0.33%) but at a lower expense ratio. Each row shows the fee gap, the peer's AUM as a liquidity sanity-check, and a direct link to that fund's analysis page. Cheaper price doesn't automatically mean better. Verify the peer holds what you actually want. ## More on Dividend Data - Overview (HTML): https://www.dividenddata.com/funds/basmx - Distribution history: https://www.dividenddata.com/funds/basmx/dividend - Holdings & diversification: https://www.dividenddata.com/funds/basmx/diversification - Fees & cheaper alternatives: https://www.dividenddata.com/funds/basmx/expenses - Peer comparison: https://www.dividenddata.com/funds/basmx/peers Data sourced from primary filings and market data providers; see https://www.dividenddata.com/methodology.