iShares Total U.S. Stock Market Index Fund Investor A Shares (BASMX)

Fund Assets	4.75B
Expense Ratio	0.33%
Min. Investment	$1,000
Turnover	8.00%
Dividend (ttm)	0.27
Dividend Yield	0.78%
Dividend Growth	-4.16%
Payout Frequency	Quarterly
Ex-Dividend Date	Jul 22, 2026

Previous Close	34.97
YTD Return	13.22%
1-Year Return	20.33%
5-Year Return	73.49%
52-Week Low	28.91
52-Week High	35.50
Beta (5Y)	1.01
Holdings	2649
Inception Date	Aug 13, 2015

About BASMX

The iShares Total U.S. Stock Market Index Fund Investor A Shares is an open-end mutual fund designed to provide broad exposure to the U.S. equity market. Its primary objective is to track the investment results of the Russell 3000 Index, which encompasses approximately 3,000 of the largest publicly traded companies in the United States and represents about 98% of the investable U.S. equity market. The fund’s portfolio reflects the full spectrum of the market, with major allocations to prominent large-cap companies such as Microsoft, Apple, NVIDIA, Amazon, and Alphabet, while also including mid- and small-cap firms to ensure comprehensive market representation. Featuring a low net expense ratio of 0.33%, the fund offers a cost-efficient solution for investors seeking diversified U.S. equity exposure. Its role in the financial market is to serve as a core holding for portfolios aiming for long-term capital appreciation through passive index replication, making it a foundational choice for both individual and institutional investors seeking broad participation in the U.S. equity market.

• Fund Family: BlackRock
• Category: Large Blend
• Performance Rating: Average
• Risk Rating: Above Average
• Stock Exchange: NASDAQ
• Ticker Symbol: BASMX
• Index: Russell 3000 TR

Performance

BASMX had a total return of 20.33% in the past year, including dividends. Since the fund's inception, the average annual return has been 14.58%.

Equivalent Funds

These are funds that follow the same index from the other major fund companies.

Symbol	Provider	Name	Expense Ratio
FWOAX	Fidelity	Fidelity Advisor Women's Leadership A	0.97%
FWOMX	Fidelity	Fidelity Women's Leadership Fund	0.67%
FWMNX	Fidelity	Fidelity Advisor Women's Leadership I	0.69%
FWOZX	Fidelity	Fidelity Advisor Women's Leadership Z	0.57%
FWOCX	Fidelity	Fidelity Advisor Women's Leadership C	1.72%

Top 10 Holdings

31.53% of assets

Name	Symbol	Weight
NVIDIA Corporation	NVDA	6.34%
Apple Inc.	AAPL	5.68%
Microsoft Corporation	MSFT	3.76%
Amazon.com, Inc.	AMZN	3.14%
Alphabet Inc.	GOOGL	2.82%
Broadcom Inc.	AVGO	2.39%
Alphabet Inc.	GOOG	2.29%
Micron Technology, Inc.	MU	1.77%
Meta Platforms, Inc.	META	1.68%
Tesla, Inc.	TSLA	1.67%

Dividend History

Ex-Dividend	Amount	Pay Date
Jul 22, 2026	$0.07114	Jul 23, 2026
Apr 15, 2026	$0.06051	Apr 16, 2026
Dec 16, 2025	$0.07224	Dec 17, 2025
Oct 9, 2025	$0.0676	Oct 10, 2025
Jul 17, 2025	$0.06955	Jul 18, 2025
Apr 9, 2025	$0.05577	Apr 10, 2025

Data Sources: Tiingo, Financial Modeling Prep, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Financial Modeling Prep. Several fund data points are also provided by Finnhub.

Last checked:

Aug 27, 2026

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