SEI S&P 500 Index Fund Class I (SPIIX)

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The chart shows the growth of an initial investment of $10,000 in SEI S&P 500 Index Fund Class I, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

SEI S&P 500 Index Fund Class I (SPIIX) has returned -7.22% so far this year and 13.56% over the past 12 months. Looking at the last ten years, SPIIX has achieved an annualized return of 12.99%, outperforming the S&P 500 Index benchmark, which averaged 12.16% per year.

Based on dividend-adjusted daily data since Jan 2, 2003, SPIIX's average daily return is +0.05%, while the average monthly return is +0.89%. At this rate, your investment would double in approximately 6.5 years.

Historically, 67% of months were positive and 33% were negative. The best month was Apr 2020 with a return of +12.7%, while the worst month was Oct 2008 at -16.9%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 5 months.

On a daily basis, SPIIX closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +11.7%, while the worst single day was Dec 18, 2024 at -12.6%.

SEI S&P 500 Index Fund Class I has an annualized alpha of 1.40%, beta of 0.99, and R² of 0.95 versus S&P 500 Index. Calculated based on daily prices since January 03, 2003.

• This fund captured 104.25% of S&P 500 Index gains but only 97.85% of its losses — a favorable profile for investors.
• With beta of 0.99 and R² of 0.95, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.

SPIIX has an expense ratio of 0.65%, placing it in the medium range.

SPIIX ranks 38 for risk / return — below 38% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.

The table below present risk-adjusted performance metrics for SEI S&P 500 Index Fund Class I (SPIIX) and compare them to a chosen benchmark (S&P 500 Index).

SEI S&P 500 Index Fund Class I provided a 9.08% dividend yield over the last twelve months, with an annual payout of $8.65 per share.

The table displays the monthly dividend distributions for SEI S&P 500 Index Fund Class I. The dividends shown in the table have been adjusted to account for any splits that may have occurred.

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the SEI S&P 500 Index Fund Class I. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the SEI S&P 500 Index Fund Class I was 55.78%, occurring on Mar 9, 2009. Recovery took 888 trading sessions.

The current SEI S&P 500 Index Fund Class I drawdown is 9.02%.

The chart below shows the rolling one-month volatility.