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SUSAX vs. SPINX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

SUSAX vs. SPINX

Last updated Apr 2, 2026

Compare and contrast key facts about SEI Institutional Investments Trust Ultra Short Duration Bond Fund (SUSAX) and SEI Institutional Investments Trust S&P 500 Index Fund (SPINX).

SUSAX is managed by SEI. It was launched on Feb 28, 2011. SPINX is a passively managed fund by SEI that tracks the performance of the S&P 500 Index. It was launched on Dec 18, 2013.

Performance

SUSAX vs. SPINX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Institutional Investments Trust Ultra Short Duration Bond Fund (SUSAX) and SEI Institutional Investments Trust S&P 500 Index Fund (SPINX). The values are adjusted to include any dividend payments, if applicable.

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SUSAX vs. SPINX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
SUSAX
SEI Institutional Investments Trust Ultra Short Duration Bond Fund		0.29%5.09%5.31%5.00%-1.44%0.17%2.06%3.55%1.89%1.77%
SPINX
SEI Institutional Investments Trust S&P 500 Index Fund		-4.36%17.89%24.02%26.24%-18.27%28.62%18.35%31.42%-4.46%21.74%

Returns By Period

In the year-to-date period, SUSAX achieves a 0.29% return, which is significantly higher than SPINX's -4.36% return. Over the past 10 years, SUSAX has underperformed SPINX with an annualized return of 2.48%, while SPINX has yielded a comparatively higher 13.92% annualized return.

SUSAX

1D
0.00%
1M
-0.30%
YTD
0.29%
6M
1.41%
1Y
4.07%
3Y*
4.72%
5Y*
2.84%
10Y*
2.48%

SPINX

1D
2.94%
1M
-5.04%
YTD
-4.36%
6M
-2.09%
1Y
17.35%
3Y*
17.98%
5Y*
11.54%
10Y*
13.92%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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SEI Institutional Investments Trust Ultra Short Duration Bond Fund

SEI Institutional Investments Trust S&P 500 Index Fund

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Often compared with SPINX:
SPINX vs. ITWN.LSPINX vs. SPYSPINX vs. BITOSPINX vs. VUGSPINX vs. vspvxSPINX vs. PEOPXSPINX vs. trbcx

SUSAX vs. SPINX - Expense Ratio Comparison

SUSAX has a 0.22% expense ratio, which is higher than SPINX's 0.12% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

SUSAX
SEI Institutional Investments Trust Ultra Short Duration Bond Fund
SPINX
SEI Institutional Investments Trust S&P 500 Index Fund

Return for Risk

SUSAX vs. SPINX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
SUSAX
SUSAX Risk / Return Rank: 9999
Overall Rank
SUSAX Sharpe Ratio Rank: 9898
Sharpe Ratio Rank
SUSAX Sortino Ratio Rank: 9999
Sortino Ratio Rank
SUSAX Omega Ratio Rank: 9999
Omega Ratio Rank
SUSAX Calmar Ratio Rank: 9999
Calmar Ratio Rank
SUSAX Martin Ratio Rank: 9999
Martin Ratio Rank
SPINX
SPINX Risk / Return Rank: 5656
Overall Rank
SPINX Sharpe Ratio Rank: 4646
Sharpe Ratio Rank
SPINX Sortino Ratio Rank: 4949
Sortino Ratio Rank
SPINX Omega Ratio Rank: 5353
Omega Ratio Rank
SPINX Calmar Ratio Rank: 5959
Calmar Ratio Rank
SPINX Martin Ratio Rank: 7272
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SUSAX vs. SPINX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Investments Trust Ultra Short Duration Bond Fund (SUSAX) and SEI Institutional Investments Trust S&P 500 Index Fund (SPINX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

SUSAXSPINXDifference

Sharpe ratio

Return per unit of total volatility

2.80

0.97

+1.83

Sortino ratio

Return per unit of downside risk

7.56

1.49

+6.08

Omega ratio

Gain probability vs. loss probability

2.43

1.23

+1.20

Calmar ratio

Return relative to maximum drawdown

9.00

1.53

+7.48

Martin ratio

Return relative to average drawdown

37.12

7.30

+29.82

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SUSAX vs. SPINX - Sharpe Ratio Comparison

The current SUSAX Sharpe Ratio is 2.80, which is higher than the SPINX Sharpe Ratio of 0.97. The chart below compares the historical Sharpe Ratios of SUSAX and SPINX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

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Sharpe Ratios by Period

SUSAXSPINXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.80

0.97

+1.83

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

2.07

0.52

+1.56

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

1.95

0.67

+1.29

Sharpe Ratio (All Time)

Calculated using the full available price history

1.67

0.65

+1.02

Correlation

The correlation between SUSAX and SPINX is -0.00. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

SUSAX vs. SPINX - Dividend Comparison

SUSAX's dividend yield for the trailing twelve months is around 4.10%, less than SPINX's 12.44% yield.

TTM20252024202320222021202020192018201720162015
SUSAX
SEI Institutional Investments Trust Ultra Short Duration Bond Fund		4.10%4.55%4.44%3.02%1.19%0.78%1.53%2.98%2.48%1.75%1.43%1.15%
SPINX
SEI Institutional Investments Trust S&P 500 Index Fund		12.44%11.90%26.02%9.77%9.59%6.58%3.58%3.01%4.94%2.32%1.97%2.29%

Drawdowns

SUSAX vs. SPINX - Drawdown Comparison

The maximum SUSAX drawdown since its inception was -4.28%, smaller than the maximum SPINX drawdown of -33.82%. Use the drawdown chart below to compare losses from any high point for SUSAX and SPINX.

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Drawdown Indicators

SUSAXSPINXDifference

Max Drawdown

Largest peak-to-trough decline

-4.28%

-33.82%

+29.54%

Max Drawdown (1Y)

Largest decline over 1 year

-0.50%

-12.11%

+11.61%

Max Drawdown (5Y)

Largest decline over 5 years

-2.72%

-32.91%

+30.19%

Max Drawdown (10Y)

Largest decline over 10 years

-4.28%

-33.82%

+29.54%

Current Drawdown

Current decline from peak

-0.40%

-11.03%

+10.63%

Average Drawdown

Average peak-to-trough decline

-0.22%

-5.25%

+5.03%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.12%

2.53%

-2.41%

Volatility

SUSAX vs. SPINX - Volatility Comparison

The current volatility for SEI Institutional Investments Trust Ultra Short Duration Bond Fund (SUSAX) is 0.26%, while SEI Institutional Investments Trust S&P 500 Index Fund (SPINX) has a volatility of 5.36%. This indicates that SUSAX experiences smaller price fluctuations and is considered to be less risky than SPINX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

SUSAXSPINXDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.26%

5.36%

-5.10%

Volatility (6M)

Calculated over the trailing 6-month period

1.00%

9.59%

-8.59%

Volatility (1Y)

Calculated over the trailing 1-year period

1.51%

18.34%

-16.83%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

1.37%

22.50%

-21.13%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

1.27%

20.94%

-19.67%