- ISIN
- US7839806590
- Issuer
- SEI
- Inception Date
- Feb 28, 2013
- Category
- Mid Cap Growth Equities
- Min. Investment
- $100,000
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Mid-Cap
- Asset Class Style
- Growth
Share Price Chart
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Performance
SMXAX Performance Chart
SEI Institutional Investments Trust Extended Market Index Fund (SMXAX) is up 13.1% since the beginning of the year. SMXAX is currently trading at $20 per share. Investors who bought $1,000 worth of SMXAX shares 5 years ago would now be looking at an investment worth $1,384.
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Returns By Period
SEI Institutional Investments Trust Extended Market Index Fund (SMXAX) has returned 13.08% so far this year and 28.66% over the past 12 months. Over the last ten years, SMXAX has returned 12.27% per year, falling short of the S&P 500 Index benchmark, which averaged 13.75% annually.
SEI Institutional Investments Trust Extended Market Index Fund
- 1D
- 0.15%
- 1M
- 4.67%
- YTD
- 13.08%
- 6M
- 11.99%
- 1Y
- 28.66%
- 3Y*
- 19.49%
- 5Y*
- 6.71%
- 10Y*
- 12.27%
Benchmark (S&P 500 Index)
- 1D
- 0.13%
- 1M
- 5.68%
- YTD
- 11.16%
- 6M
- 11.10%
- 1Y
- 27.46%
- 3Y*
- 21.12%
- 5Y*
- 12.66%
- 10Y*
- 13.75%
SMXAX Monthly Returns History
Based on dividend-adjusted daily data since Mar 26, 2013, SMXAX's average daily return is +0.05%, while the average monthly return is +1.04%. At this rate, an investment would double in approximately 5.6 years.
Historically, 64% of months were positive and 36% were negative. The best month was Nov 2020 with a return of +18.1%, while the worst month was Mar 2020 at -21.1%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 4 months.
On a daily basis, SMXAX closed higher 53% of trading days. The best single day was Mar 25, 2020 with a return of +12.9%, while the worst single day was Mar 16, 2020 at -14.2%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.46% | 1.36% | -4.85% | 9.43% | 4.40% | 0.15% | 13.08% | ||||||
| 2025 | 5.10% | -5.67% | -7.67% | -0.58% | 7.05% | 5.48% | 2.18% | 4.34% | 2.23% | 0.95% | 0.05% | -0.47% | 12.61% |
| 2024 | -2.36% | 6.15% | 3.35% | -6.42% | 3.54% | -0.06% | 6.27% | 0.38% | 1.55% | 0.48% | 11.63% | -7.62% | 16.45% |
| 2023 | 10.73% | -1.56% | -2.84% | -2.15% | 0.42% | 8.27% | 5.90% | -4.01% | -4.94% | -6.52% | 10.90% | 10.36% | 24.55% |
| 2022 | -9.69% | 0.00% | 0.74% | -10.37% | -1.71% | -9.03% | 10.41% | -1.99% | -9.78% | 8.48% | 3.36% | -6.52% | -25.39% |
| 2021 | 2.23% | 5.08% | -0.14% | 4.27% | -0.56% | 3.15% | -1.31% | 1.98% | -3.75% | 5.73% | -5.27% | 0.81% | 12.19% |
Benchmark Metrics
SEI Institutional Investments Trust Extended Market Index Fund has an annualized alpha of -1.49%, beta of 1.09, and R2 of 0.79 versus S&P 500 Index. Calculated based on daily prices since March 27, 2013.
- This fund participated in 113.79% of S&P 500 Index downside but only 106.74% of its upside - more exposed to losses than it benefited from rallies.
- With beta of 1.09 and R2 of 0.79, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- -1.49%
- Beta
- 1.09
- R²
- 0.79
- Upside Capture
- 106.74%
- Downside Capture
- 113.79%
Expense Ratio
SMXAX has an expense ratio of 0.19%, which is considered low.
Return for Risk
Risk / Return Rank
SMXAX ranks 46 for risk / return — on par with similar mutual funds. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for SEI Institutional Investments Trust Extended Market Index Fund (SMXAX) and compare them to S&P 500 Index.
| SMXAX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.83 | 2.39 | -0.56 |
Sortino ratioReturn per unit of downside risk | 2.57 | 3.25 | -0.68 |
Omega ratioGain probability vs. loss probability | 1.32 | 1.43 | -0.12 |
Calmar ratioReturn relative to maximum drawdown | 3.08 | 3.11 | -0.03 |
Martin ratioReturn relative to average drawdown | 11.20 | 14.38 | -3.18 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Dividends
Dividend History
SEI Institutional Investments Trust Extended Market Index Fund provided a 9.76% dividend yield over the last twelve months, with an annual payout of $1.97 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $1.97 | $1.96 | $2.23 | $0.29 | $0.61 | $3.67 | $0.57 | $0.64 | $0.84 | $0.79 | $0.47 | $0.59 |
Dividend yield | 9.76% | 10.96% | 12.66% | 1.72% | 4.38% | 18.92% | 2.78% | 3.98% | 6.49% | 5.19% | 3.44% | 4.87% |
Monthly Dividends
The table displays the monthly dividend distributions for SEI Institutional Investments Trust Extended Market Index Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.03 | ||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.06 | $0.00 | $1.84 | $1.96 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.06 | $0.00 | $0.00 | $0.04 | $0.00 | $0.00 | $0.06 | $0.00 | $2.07 | $2.23 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.05 | $0.00 | $0.00 | $0.04 | $0.00 | $0.00 | $0.00 | $0.00 | $0.20 | $0.29 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.04 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.06 | $0.00 | $0.48 | $0.61 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.04 | $0.00 | $0.00 | $0.04 | $0.00 | $0.00 | $0.06 | $0.00 | $3.53 | $3.67 |
Drawdowns
Drawdowns Chart
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.
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Worst Drawdowns
The table below displays the maximum drawdowns of the SEI Institutional Investments Trust Extended Market Index Fund. 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 Institutional Investments Trust Extended Market Index Fund was 41.48%, occurring on Mar 18, 2020. Recovery took 112 trading sessions.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
COVID crash2020 | -41.48%Mar 2020 | 26d | 5mo 11d | 6mo 7dFeb 2020 - Aug 2020 |
Bear market2022 | -35.28%Jun 2022 | 7mo 9d | 2y 4mo | 2y 12moNov 2021 - Nov 2024 |
2025 selloff2025 | -26.72%Apr 2025 | 4mo 4d | 4mo 21d | 8mo 25dDec 2024 - Aug 2025 |
2016 bear market2016 | -24.78%Feb 2016 | 7mo 22d | 9mo 7d | 1y 4moJun 2015 - Nov 2016 |
Rate-hike selloffLate 2018 | -24.46%Dec 2018 | 3mo 26d | 11mo 6d | 1y 2moAug 2018 - Nov 2019 |
Drawdown Indicators
| SMXAX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.48% | -56.78% | +15.30% |
Max Drawdown (1Y)Largest decline over 1 year | -10.01% | -9.10% | -0.91% |
Max Drawdown (3Y)Largest decline over 3 years | -26.72% | -18.90% | -7.82% |
Max Drawdown (5Y)Largest decline over 5 years | -35.28% | -25.43% | -9.85% |
Max Drawdown (10Y)Largest decline over 10 years | -41.48% | -33.92% | -7.56% |
Current DrawdownCurrent decline from peak | 0.00% | 0.00% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -7.99% | -10.72% | +2.73% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.75% | 1.97% | +0.78% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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