SPFIX — S&P 500 Index Fund
Data updated: 2026-07-30
SPFIX — S&P 500 Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $346.16M AUM · 0.43% expense ratio · 29.2% 1-yr return. From SEC regulatory filings.
SPFIX Fund Overview
SPFIX — S&P 500 Index Fund is a US mutual fund managed by Shelton Funds, categorised as United States Large Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Shelton Funds
- Category: United States Large Cap Blend / Core Equity
- Assets under management: $346.16M
- 1-year return: 29.2%
- Ticker: SPFIX
- SEC CIK: 0000778206
- SEC series ID: S000016022
- Share class ID: C000044029
SPFIX Holdings
Top 10 holdings of S&P 500 Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp. | 7.85% |
| Apple, Inc. | 7.01% |
| Microsoft Corp. | 5.12% |
| Amazon.com, Inc. | 4.03% |
| Alphabet, Inc. | 3.39% |
| Broadcom, Inc. | 3.23% |
| Alphabet, Inc. | 2.68% |
| Meta Platforms, Inc. | 2.11% |
| Tesla, Inc. | 1.87% |
| Micron Technology, Inc. | 1.67% |
SPFIX Portfolio Allocation
Asset-class allocation of S&P 500 Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.3% |
| Derivatives | 0.7% |
| Fixed Income | 0.6% |
SPFIX Performance
Total returns for SPFIX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 11.0% |
| 1 year | 29.2% |
| 3 years (annualised) | 23.1% |
| 5 years (annualised) | 13.7% |
SPFIX Risk Information
Risk metrics for SPFIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.0%
SPFIX Costs and Fees
SPFIX costs about $43 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.43%
- Gross expense ratio: 0.43%
- Portfolio turnover: 10%
- Brokerage commissions: 0.40 bps of average net assets (SEC N-CEN)
SPFIX Cashflows
Over the 12 months to 2026-02, S&P 500 Index Fund had net inflows of $4.83M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$1.66M |
| 2026-01 | $5.90M |
| 2025-12 | −$142.53K |
| 2025-11 | $0 |
| 2025-10 | $0 |
| 2025-09 | $4.37M |
SPFIX Debt Constituents
Largest debt holdings of S&P 500 Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Of America - Bureau Of The Public Debt | 0.63% |
SPFIX Prospectus and SEC Filings
Official S&P 500 Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large Cap Blend / Core Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.