When was fxaix started

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Last updated: April 17, 2026

Quick Answer: FXAIX, the Fidelity 500 Index Fund, was launched on August 31, 1995. It was created to track the performance of the S&P 500 Index and provide investors with a low-cost option for broad U.S. equity market exposure.

Key Facts

FXAIX was launched on August 31, 1995.
It is a share class of the Fidelity 500 Index Fund, originally established in 1984 under a different ticker.
The fund tracks the S&P 500 Index, which includes 500 large-cap U.S. companies.
As of 2023, FXAIX holds over $300 billion in assets under management.
It has an expense ratio of 0.015%, making it one of the lowest-cost index funds available.

Overview

FXAIX, officially known as the Fidelity 500 Index Fund, is one of the most popular index funds offered by Fidelity Investments. Designed to mirror the performance of the S&P 500 Index, it provides investors with diversified exposure to 500 of the largest publicly traded companies in the United States. The fund is widely used by both individual and institutional investors seeking long-term growth through passive investing.

Originally introduced under a different share class, FXAIX became available to investors on August 31, 1995. Since then, it has grown significantly in popularity due to its low fees, strong performance, and accessibility through Fidelity’s no-transaction-fee platform. The fund is particularly favored by retirement savers and index fund advocates.

Launch Date: FXAIX officially began operations on August 31, 1995, marking Fidelity’s entry into the low-cost index fund space.
Index Tracked: The fund is designed to replicate the S&P 500 Index, which represents approximately 80% of the total U.S. equity market capitalization.
Assets Under Management: As of 2023, FXAIX holds more than $300 billion in assets, making it one of the largest mutual funds in the world.
Expense Ratio: With an expense ratio of just 0.015%, FXAIX is among the most cost-efficient index funds available to retail investors.
Minimum Investment: The fund requires a $2,500 initial investment for individual accounts, though lower thresholds may apply for retirement accounts.

How It Works

FXAIX operates by pooling investor capital to purchase a diversified portfolio of stocks that closely matches the composition and weighting of the S&P 500 Index. The fund is passively managed, meaning it does not rely on active stock-picking but instead aims to replicate index performance as accurately as possible.

Passive Management: The fund uses a passive investment strategy, automatically buying and selling stocks to match the index, minimizing human intervention and reducing costs.
Rebalancing Schedule: FXAIX is rebalanced quarterly to reflect changes in the S&P 500 Index, ensuring accurate tracking of market movements.
Dividend Reinvestment: The fund automatically reinvests quarterly dividends from underlying stocks, compounding returns over time for shareholders.
Tracking Error: FXAIX maintains a very low tracking error of less than 0.05%, ensuring close alignment with the index’s performance.
Net Expense Ratio: At 0.015%, the fund’s expenses are significantly lower than the industry average of 0.44% for similar index funds.
Trading Mechanism: Unlike ETFs, FXAIX is a mutual fund that trades once per day after market close at the net asset value (NAV) price.

Comparison at a Glance

Here’s how FXAIX compares to other major S&P 500 index funds in key categories:

Fund Name	Ticker	Expense Ratio	Minimum Investment	Assets (2023)
Fidelity 500 Index Fund	FXAIX	0.015%	$2,500	$300B+
Vanguard 500 Index Fund	VFIAX	0.04%	$3,000	$800B+
Schwab S&P 500 Index Fund	SWPPX	0.02%	No minimum	$350B+
iShares Core S&P 500 ETF	IVV	0.03%	No minimum	$300B+
SPDR S&P 500 ETF	SPY	0.09%	No minimum	$400B+

While Vanguard’s VFIAX leads in total assets, FXAIX stands out for its ultra-low expense ratio and accessibility through Fidelity’s platform. The table illustrates that FXAIX offers a competitive balance of low cost and high performance, though some rivals offer lower minimums or greater liquidity.

Why It Matters

FXAIX plays a crucial role in democratizing access to low-cost, diversified investing. By offering a high-quality index fund at a fraction of typical fees, Fidelity has helped millions of investors build wealth over time through compounding and market exposure. Its structure supports long-term financial goals, including retirement planning and education savings.

Retirement Planning: FXAIX is a popular choice in 401(k) and IRA accounts due to its low costs and consistent performance.
Cost Efficiency: With an expense ratio of 0.015%, investors keep more of their returns compared to higher-fee alternatives.
Market Representation: The fund provides exposure to 500 large-cap U.S. companies, including Apple, Microsoft, and Amazon.
Long-Term Growth: Historically, the S&P 500 has returned about 10% annually over the long term, making FXAIX a reliable growth vehicle.
Investor Accessibility: Available through Fidelity’s no-fee trading platform, it removes barriers for retail investors.
Competitive Edge: FXAIX pressures other fund providers to lower fees, benefiting the entire investment industry.

Overall, FXAIX represents a milestone in the evolution of index investing, combining affordability, performance, and accessibility in a single fund. Its 1995 launch marked the beginning of a broader trend toward low-cost investing that continues to reshape the financial landscape.