VUSB vs. LSIIX

Last updated Apr 1, 2026

Compare and contrast key facts about Vanguard Ultra-Short Bond ETF (VUSB) and Loomis Sayles Investment Grade Bond Fund Class Y (LSIIX).

VUSB is an actively managed fund by Vanguard. It was launched on Apr 5, 2021. LSIIX is managed by Natixis. It was launched on Dec 31, 1996.

Performance

VUSB vs. LSIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Ultra-Short Bond ETF (VUSB) and Loomis Sayles Investment Grade Bond Fund Class Y (LSIIX). The values are adjusted to include any dividend payments, if applicable.

VUSB vs. LSIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
VUSB Vanguard Ultra-Short Bond ETF	0.59%	5.20%	5.68%	5.52%	-0.36%	0.00%
LSIIX Loomis Sayles Investment Grade Bond Fund Class Y	-1.33%	5.58%	2.91%	7.50%	-11.31%	1.48%

Returns By Period

In the year-to-date period, VUSB achieves a 0.59% return, which is significantly higher than LSIIX's -1.33% return.

VUSB

• 1D: 0.09%
• 1M: -0.12%
• YTD: 0.59%
• 6M: 1.76%
• 1Y: 4.48%
• 3Y*: 5.28%
• 5Y*: —
• 10Y*: —

LSIIX

• 1D: 0.10%
• 1M: -2.89%
• YTD: -1.33%
• 6M: -0.93%
• 1Y: 1.92%
• 3Y*: 3.71%
• 5Y*: 0.80%
• 10Y*: 3.12%

*Multi-year figures are annualized to reflect compound growth (CAGR)

VUSB vs. LSIIX - Expense Ratio Comparison

VUSB has a 0.10% expense ratio, which is lower than LSIIX's 0.54% expense ratio.

LSIIX

Loomis Sayles Investment Grade Bond Fund Class Y

VUSB

Vanguard Ultra-Short Bond ETF

Return for Risk

VUSB vs. LSIIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VUSB

VUSB Risk / Return Rank: 99
VUSB Sharpe Ratio Rank: 99
VUSB Sortino Ratio Rank: 99
VUSB Omega Ratio Rank: 99
VUSB Calmar Ratio Rank: 99
VUSB Martin Ratio Rank: 99

LSIIX

LSIIX Risk / Return Rank: 32
LSIIX Sharpe Ratio Rank: 23
LSIIX Sortino Ratio Rank: 19
LSIIX Omega Ratio Rank: 18
LSIIX Calmar Ratio Rank: 56
LSIIX Martin Ratio Rank: 43

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.

VUSB vs. LSIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Ultra-Short Bond ETF (VUSB) and Loomis Sayles Investment Grade Bond Fund Class Y (LSIIX). 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.

	VUSB	LSIIX	Difference
Sharpe ratio Return per unit of total volatility	5.84	0.57	+5.27
Sortino ratio Return per unit of downside risk	9.33	0.80	+8.52
Omega ratio Gain probability vs. loss probability	2.86	1.11	+1.75
Calmar ratio Return relative to maximum drawdown	9.75	1.33	+8.43
Martin ratio Return relative to average drawdown	50.27	4.39	+45.88
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VUSB vs. LSIIX - Sharpe Ratio Comparison

The current VUSB Sharpe Ratio is 5.84, which is higher than the LSIIX Sharpe Ratio of 0.57. The chart below compares the historical Sharpe Ratios of VUSB and LSIIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	VUSB	LSIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.84	0.57	+5.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.16	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.71	—
Sharpe Ratio (All Time) Calculated using the full available price history	4.00	1.14	+2.87

Correlation

The correlation between VUSB and LSIIX is 0.56, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

VUSB vs. LSIIX - Dividend Comparison

VUSB's dividend yield for the trailing twelve months is around 4.53%, more than LSIIX's 2.97% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VUSB Vanguard Ultra-Short Bond ETF	4.53%	4.63%	5.16%	4.45%	1.56%	0.26%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
LSIIX Loomis Sayles Investment Grade Bond Fund Class Y	2.97%	3.68%	4.86%	4.25%	3.32%	4.10%	8.20%	3.56%	2.18%	4.10%	6.71%	3.91%

Drawdowns

VUSB vs. LSIIX - Drawdown Comparison

The maximum VUSB drawdown since its inception was -1.79%, smaller than the maximum LSIIX drawdown of -20.77%. Use the drawdown chart below to compare losses from any high point for VUSB and LSIIX.

Drawdown Indicators

	VUSB	LSIIX	Difference
Max Drawdown Largest peak-to-trough decline	-1.79%	-20.77%	+18.98%
Max Drawdown (1Y) Largest decline over 1 year	-0.46%	-3.23%	+2.77%
Max Drawdown (5Y) Largest decline over 5 years	—	-15.62%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-15.62%	—
Current Drawdown Current decline from peak	-0.12%	-2.89%	+2.77%
Average Drawdown Average peak-to-trough decline	-0.28%	-2.42%	+2.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.09%	0.98%	-0.89%

Volatility

VUSB vs. LSIIX - Volatility Comparison

The current volatility for Vanguard Ultra-Short Bond ETF (VUSB) is 0.37%, while Loomis Sayles Investment Grade Bond Fund Class Y (LSIIX) has a volatility of 1.36%. This indicates that VUSB experiences smaller price fluctuations and is considered to be less risky than LSIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VUSB	LSIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.37%	1.36%	-0.99%
Volatility (6M) Calculated over the trailing 6-month period	0.49%	2.75%	-2.26%
Volatility (1Y) Calculated over the trailing 1-year period	0.77%	4.75%	-3.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.83%	5.23%	-4.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.83%	4.51%	-3.68%