LONZ vs. SEIX

Last updated Apr 1, 2026

Compare and contrast key facts about PIMCO Senior Loan Active Exchange-Traded Fund (LONZ) and Virtus Seix Senior Loan ETF (SEIX).

LONZ and SEIX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. LONZ is an actively managed fund by PIMCO. It was launched on Jun 8, 2022. SEIX is a passively managed fund by Virtus that tracks the performance of the Credit Suisse Leveraged Loan Index. It was launched on Apr 23, 2019.

Performance

LONZ vs. SEIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Senior Loan Active Exchange-Traded Fund (LONZ) and Virtus Seix Senior Loan ETF (SEIX). The values are adjusted to include any dividend payments, if applicable.

LONZ vs. SEIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
LONZ PIMCO Senior Loan Active Exchange-Traded Fund	-0.27%	5.05%	9.85%	12.56%	0.80%
SEIX Virtus Seix Senior Loan ETF	0.20%	5.10%	8.42%	12.51%	0.93%

Returns By Period

In the year-to-date period, LONZ achieves a -0.27% return, which is significantly lower than SEIX's 0.20% return.

LONZ

• 1D: 0.47%
• 1M: 1.00%
• YTD: -0.27%
• 6M: 0.65%
• 1Y: 5.23%
• 3Y*: 8.01%
• 5Y*: —
• 10Y*: —

SEIX

• 1D: 0.22%
• 1M: 0.80%
• YTD: 0.20%
• 6M: 1.30%
• 1Y: 5.15%
• 3Y*: 7.64%
• 5Y*: 5.59%
• 10Y*: —

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

LONZ vs. SEIX - Expense Ratio Comparison

LONZ has a 0.62% expense ratio, which is higher than SEIX's 0.57% expense ratio.

LONZ

PIMCO Senior Loan Active Exchange-Traded Fund

SEIX

Virtus Seix Senior Loan ETF

Return for Risk

LONZ vs. SEIX — Risk / Return Rank

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

LONZ

LONZ Risk / Return Rank: 73
LONZ Sharpe Ratio Rank: 74
LONZ Sortino Ratio Rank: 61
LONZ Omega Ratio Rank: 94
LONZ Calmar Ratio Rank: 60
LONZ Martin Ratio Rank: 77

SEIX

SEIX Risk / Return Rank: 89
SEIX Sharpe Ratio Rank: 91
SEIX Sortino Ratio Rank: 93
SEIX Omega Ratio Rank: 96
SEIX Calmar Ratio Rank: 79
SEIX Martin Ratio Rank: 88

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.

LONZ vs. SEIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Senior Loan Active Exchange-Traded Fund (LONZ) and Virtus Seix Senior Loan ETF (SEIX). 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.

	LONZ	SEIX	Difference
Sharpe ratio Return per unit of total volatility	1.32	1.98	-0.65
Sortino ratio Return per unit of downside risk	1.55	2.78	-1.23
Omega ratio Gain probability vs. loss probability	1.43	1.51	-0.08
Calmar ratio Return relative to maximum drawdown	1.48	2.05	-0.57
Martin ratio Return relative to average drawdown	8.06	10.51	-2.46
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LONZ vs. SEIX - Sharpe Ratio Comparison

The current LONZ Sharpe Ratio is 1.32, which is lower than the SEIX Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of LONZ and SEIX, 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

	LONZ	SEIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.32	1.98	-0.65
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.92	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.24	1.19	+1.05

Correlation

The correlation between LONZ and SEIX is 0.39, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

LONZ vs. SEIX - Dividend Comparison

LONZ's dividend yield for the trailing twelve months is around 7.27%, less than SEIX's 7.49% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019
LONZ PIMCO Senior Loan Active Exchange-Traded Fund	7.27%	6.60%	8.16%	8.29%	3.33%	0.00%	0.00%	0.00%
SEIX Virtus Seix Senior Loan ETF	7.49%	7.52%	8.09%	8.74%	5.76%	4.16%	3.75%	3.82%

Drawdowns

LONZ vs. SEIX - Drawdown Comparison

The maximum LONZ drawdown since its inception was -4.19%, smaller than the maximum SEIX drawdown of -17.51%. Use the drawdown chart below to compare losses from any high point for LONZ and SEIX.

Drawdown Indicators

	LONZ	SEIX	Difference
Max Drawdown Largest peak-to-trough decline	-4.19%	-17.51%	+13.32%
Max Drawdown (1Y) Largest decline over 1 year	-3.44%	-2.37%	-1.07%
Max Drawdown (5Y) Largest decline over 5 years	—	-6.69%	—
Current Drawdown Current decline from peak	-1.05%	-0.25%	-0.80%
Average Drawdown Average peak-to-trough decline	-0.48%	-0.89%	+0.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.63%	0.48%	+0.15%

Volatility

LONZ vs. SEIX - Volatility Comparison

PIMCO Senior Loan Active Exchange-Traded Fund (LONZ) has a higher volatility of 1.22% compared to Virtus Seix Senior Loan ETF (SEIX) at 0.72%. This indicates that LONZ's price experiences larger fluctuations and is considered to be riskier than SEIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LONZ	SEIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.22%	0.72%	+0.50%
Volatility (6M) Calculated over the trailing 6-month period	1.99%	1.34%	+0.65%
Volatility (1Y) Calculated over the trailing 1-year period	3.98%	2.62%	+1.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.26%	2.92%	+0.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.26%	4.39%	-1.13%