PTRIX vs. MWIGX

Last updated Apr 1, 2026

Compare and contrast key facts about PIMCO Mortgage-Backed Securities Fund (PTRIX) and Metropolitan West Investment Grade Credit Fund (MWIGX).

PTRIX is managed by PIMCO. It was launched on Jul 31, 1997. MWIGX is managed by Metropolitan West Funds. It was launched on Jun 29, 2018.

Performance

PTRIX vs. MWIGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Mortgage-Backed Securities Fund (PTRIX) and Metropolitan West Investment Grade Credit Fund (MWIGX). The values are adjusted to include any dividend payments, if applicable.

PTRIX vs. MWIGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
PTRIX PIMCO Mortgage-Backed Securities Fund	0.00%	0.00%	5.87%	5.25%	-14.13%	1.04%	5.30%	6.44%	1.74%
MWIGX Metropolitan West Investment Grade Credit Fund	-0.85%	7.99%	3.82%	6.55%	-13.01%	-1.13%	8.41%	11.21%	4.27%

Returns By Period

PTRIX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MWIGX

• 1D: 0.25%
• 1M: -2.10%
• YTD: -0.85%
• 6M: 0.32%
• 1Y: 4.36%
• 3Y*: 4.80%
• 5Y*: 0.73%
• 10Y*: —

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

PTRIX vs. MWIGX - Expense Ratio Comparison

PTRIX has a 0.50% expense ratio, which is lower than MWIGX's 1.87% expense ratio.

MWIGX

Metropolitan West Investment Grade Credit Fund

PTRIX

PIMCO Mortgage-Backed Securities Fund

Return for Risk

PTRIX vs. MWIGX — Risk / Return Rank

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

MWIGX

MWIGX Risk / Return Rank: 80
MWIGX Sharpe Ratio Rank: 78
MWIGX Sortino Ratio Rank: 82
MWIGX Omega Ratio Rank: 72
MWIGX Calmar Ratio Rank: 86
MWIGX Martin Ratio Rank: 81

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.

PTRIX vs. MWIGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Mortgage-Backed Securities Fund (PTRIX) and Metropolitan West Investment Grade Credit Fund (MWIGX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	PTRIX	MWIGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.41	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.15	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.69	—

Correlation

The correlation between PTRIX and MWIGX is 0.71, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

PTRIX vs. MWIGX - Dividend Comparison

PTRIX has not paid dividends to shareholders, while MWIGX's dividend yield for the trailing twelve months is around 3.41%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PTRIX PIMCO Mortgage-Backed Securities Fund	0.00%	0.00%	4.07%	5.32%	3.82%	3.02%	2.89%	3.73%	3.54%	3.04%	3.18%	2.43%
MWIGX Metropolitan West Investment Grade Credit Fund	3.41%	3.70%	4.52%	4.97%	6.33%	4.25%	9.21%	12.03%	3.98%	0.00%	0.00%	0.00%

Drawdowns

Drawdown Indicators

	PTRIX	MWIGX	Difference
Max Drawdown Largest peak-to-trough decline	—	-18.32%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-2.35%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.32%	—
Current Drawdown Current decline from peak	—	-2.10%	—
Average Drawdown Average peak-to-trough decline	—	-4.54%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.64%	—

Volatility

Volatility by Period

	PTRIX	MWIGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.20%	—
Volatility (6M) Calculated over the trailing 6-month period	—	2.01%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	3.47%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	4.91%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	4.78%	—