VFIAX requires a $3,000 minimum and locks you into Vanguard. Here are four alternatives that track the same S&P 500 index — some with zero fees, all with $0 minimums, available at any brokerage.
VFIAX — the Vanguard 500 Index Fund Admiral Shares — is one of the most popular S&P 500 index funds in existence. But it has two real friction points: a $3,000 minimum investment and a requirement to hold it at Vanguard. If you're investing at Fidelity, Schwab, or another brokerage, VFIAX is off the table. The good news: you have excellent alternatives that track the same index with $0 minimums and lower (or zero) fees.
| Category | Large Blend (S&P 500) |
| Expense Ratio | 0.04% |
| Minimum Investment | $3,000 |
| AUM | $1.6 trillion |
| 10-Year Return | 15.06% |
| Yield | 1.07% |
| Fund Family | Vanguard |
1. The $3,000 minimum is a real barrier. VFIAX requires $3,000 to open a position. For investors building their portfolio incrementally or working with smaller accounts, that threshold blocks entry entirely.
2. Vanguard brokerage lock-in. VFIAX is only available at Vanguard. If your 401(k), IRA, or taxable account is at Fidelity, Schwab, or a third-party custodian, you simply can't hold VFIAX — you need a functional equivalent.
3. Competitors now match or beat VFIAX's cost. FXAIX charges 0.015% vs VFIAX's 0.04%. SWPPX charges 0.02%. FNILX charges 0.00%. On a $100,000 portfolio, switching from VFIAX to FXAIX saves $25/year — and that gap compounds significantly over decades.
| Fund | Expense Ratio | Min Investment | 10yr Return | AUM | Best For |
|---|---|---|---|---|---|
| VFIAX | 0.04% | $3,000 | 15.06% | $1.6T | Vanguard account holders |
| FXAIX | 0.015% | $0 | 15.05% | $791B | Fidelity account holders |
| SWPPX | 0.02% | $0 | 15.02% | $138B | Schwab account holders |
| FNILX | 0.00% | $0 | N/A (since 2018) | $17.5B | Fidelity, zero-fee priority |
| VOO (ETF) | 0.03% | $0 (ETF) | ~15.0% | ~$600B | Any brokerage, ETF preferred |
FXAIX (Fidelity 500 Index Fund) is the most direct VFIAX alternative for Fidelity account holders. It tracks the same S&P 500 index, requires no minimum investment, and charges 0.015% — less than half of VFIAX's 0.04%.
The 10-year return difference between FXAIX and VFIAX is negligible (15.05% vs 15.06%). For anyone at Fidelity, FXAIX is the straightforward choice — same index, lower cost, no minimum. See the full VFIAX vs FXAIX comparison for a side-by-side breakdown.
SWPPX (Schwab® S&P 500 Index Fund) is the Schwab equivalent of VFIAX. Same S&P 500 index, $0 minimum, 0.02% expense ratio.
SWPPX is the default S&P 500 choice for anyone with a Schwab account. The 10-year return (15.02%) is essentially identical to VFIAX. The lower cost and no minimum make it strictly better if you're at Schwab. See the full SWPPX vs VFIAX comparison for a detailed breakdown.
FNILX (Fidelity ZERO Large Cap Index Fund) charges absolutely nothing — 0.00% expense ratio. It tracks Fidelity's proprietary large-cap index, which closely mirrors the S&P 500 but is not the official index.
The catch: FNILX uses Fidelity's own index (not S&P 500), the fund is only available at Fidelity, and it can't be transferred to another brokerage in fund form. For long-term Fidelity investors who want to eliminate the expense ratio entirely, it's a strong option. For anyone who might ever move their account, FXAIX is the more portable choice.
VOO (Vanguard S&P 500 ETF) is the ETF version of VFIAX. It tracks the same S&P 500 index, charges 0.03%, trades intraday like a stock, and is available at every major brokerage with no minimum beyond the price of one share.
VOO is the logical choice for investors who want S&P 500 exposure at a non-Vanguard brokerage and prefer ETFs over mutual funds. The trade-off: ETFs trade intraday (prices fluctuate throughout the day), whereas VFIAX and its mutual fund alternatives price once daily at NAV.
| Your Situation | Best Alternative |
|---|---|
| You're at Fidelity | FXAIX |
| You want zero fees at Fidelity | FNILX |
| You're at Schwab | SWPPX |
| You're at any brokerage, prefer ETFs | VOO |
| You want to stay at Vanguard | Consider VOO (same index, ETF form) |
Is FXAIX better than VFIAX? For Fidelity investors, yes — FXAIX tracks the same S&P 500 index, has no minimum investment, and charges 0.015% vs VFIAX's 0.04%. The 10-year return difference is less than 0.01% per year. There's no practical advantage to VFIAX if you're at Fidelity.
Can I buy VFIAX at Fidelity or Schwab? No. VFIAX is a Vanguard-only fund. If your account is at another brokerage, you'll need a functional equivalent like FXAIX (Fidelity), SWPPX (Schwab), or VOO (any brokerage, ETF).
What's the cheapest alternative to VFIAX? FNILX (0.00% expense ratio) is the cheapest, but it's Fidelity-only and uses a proprietary index. For portability and rock-bottom cost, FXAIX at 0.015% is the better choice for most investors.
Does switching from VFIAX to an alternative trigger taxes? If you hold VFIAX in a taxable account and sell, you may owe capital gains tax on the appreciation. In a tax-advantaged account (IRA, 401(k)), you can switch without tax consequences. Consult a tax advisor before selling.
Is VOO the same as VFIAX? VOO and VFIAX track the same S&P 500 index and are managed by Vanguard. The difference is structure: VOO is an ETF that trades intraday; VFIAX is a mutual fund that prices once daily. Performance is nearly identical.
Compare all S&P 500 funds side by side → See all comparisons
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Dan Mahler holds an MBA and a Master of Science in Management and Leadership from Western Governors University and has been investing for over 10 years. He built CompareMutualFunds.com to give everyday investors a clear, jargon-free resource for comparing mutual funds. All content is reviewed for accuracy before publication; fund data is sourced from public financial filings and updated regularly.
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