PTTRX vs. BRK-B

Last updated Jun 9, 2026

PTTRX (PIMCO Total Return Fund Institutional Class) is Total Bond Market fund managed by PIMCO, while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 10 years, PTTRX returned 2.23%/yr vs 13.14%/yr for BRK-B. At a correlation of -0.05, they often move in opposite directions.

Performance

PTTRX vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Total Return Fund Institutional Class (PTTRX) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PTTRX achieves a -0.05% return, which is significantly higher than BRK-B's -3.11% return. Over the past 10 years, PTTRX has underperformed BRK-B with an annualized return of 2.23%, while BRK-B has yielded a comparatively higher 13.14% annualized return.

PTTRX

• 1D: -0.46%
• 1M: -0.61%
• YTD: -0.05%
• 6M: 0.68%
• 1Y: 6.97%
• 3Y*: 5.16%
• 5Y*: 0.54%
• 10Y*: 2.23%

BRK-B

• 1D: -0.23%
• 1M: 2.32%
• YTD: -3.11%
• 6M: -2.06%
• 1Y: -1.32%
• 3Y*: 13.25%
• 5Y*: 11.03%
• 10Y*: 13.14%

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

PTTRX vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PTTRX PIMCO Total Return Fund Institutional Class	-0.05%	9.35%	2.62%	6.33%	-14.72%	-0.59%	8.88%	8.36%	-0.24%	5.13%
BRK-B Berkshire Hathaway Inc.	-3.11%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%

Correlation

The correlation between PTTRX and BRK-B is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.09
Correlation (3Y) Calculated over the trailing 3-year period	0.09
Correlation (5Y) Calculated over the trailing 5-year period	0.05
Correlation (10Y) Calculated over the trailing 10-year period	-0.10
Correlation (All Time) Calculated using the full available price history since May 9, 1996	-0.05

The correlation between PTTRX and BRK-B shifts across timeframes, from -0.10 (10 years) to 0.09 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

PTTRX vs. BRK-B — Risk / Return Rank

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

PTTRX

PTTRX Risk / Return Rank: 24
PTTRX Sharpe Ratio Rank: 25
PTTRX Sortino Ratio Rank: 25
PTTRX Omega Ratio Rank: 25
PTTRX Calmar Ratio Rank: 24
PTTRX Martin Ratio Rank: 22

BRK-B

BRK-B Risk / Return Rank: 35
BRK-B Sharpe Ratio Rank: 38
BRK-B Sortino Ratio Rank: 30
BRK-B Omega Ratio Rank: 30
BRK-B Calmar Ratio Rank: 38
BRK-B Martin Ratio Rank: 37

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.

PTTRX vs. BRK-B - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Total Return Fund Institutional Class (PTTRX) and Berkshire Hathaway Inc. (BRK-B). 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.

	PTTRX	BRK-B	Difference
Sharpe ratio: Return per unit of total volatility	1.35	-0.09	+1.45
Sortino ratio: Return per unit of downside risk	1.97	-0.03	+2.00
Omega ratio: Gain probability vs. loss probability	1.25	1.00	+0.25
Calmar ratio: Return relative to maximum drawdown	1.70	-0.14	+1.84
Martin ratio: Return relative to average drawdown	5.19	-0.30	+5.49
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PTTRX vs. BRK-B - Sharpe Ratio Comparison

The current PTTRX Sharpe Ratio is 1.35, which is higher than the BRK-B Sharpe Ratio of -0.09. The chart below compares the historical Sharpe Ratios of PTTRX and BRK-B, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	PTTRX	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.35	-0.09	+1.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.09	0.65	-0.56
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	0.68	-0.25
Sharpe Ratio (All Time) Calculated using the full available price history	1.14	0.48	+0.66

Drawdowns

PTTRX vs. BRK-B - Drawdown Comparison

The maximum PTTRX drawdown since its inception was -19.28%, smaller than the maximum BRK-B drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for PTTRX and BRK-B.

Drawdown Indicators

	PTTRX	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-19.28%	-53.86%	+34.58%
Max Drawdown (1Y) Largest decline over 1 year	-3.69%	-9.42%	+5.73%
Max Drawdown (3Y) Largest decline over 3 years	-6.18%	-14.95%	+8.77%
Max Drawdown (5Y) Largest decline over 5 years	-19.28%	-26.58%	+7.30%
Max Drawdown (10Y) Largest decline over 10 years	-19.28%	-29.57%	+10.29%
Current Drawdown Current decline from peak	-2.16%	-9.78%	+7.62%
Average Drawdown Average peak-to-trough decline	-2.19%	-11.07%	+8.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.21%	4.49%	-3.28%

Volatility

PTTRX vs. BRK-B - Volatility Comparison

The current volatility for PIMCO Total Return Fund Institutional Class (PTTRX) is 1.73%, while Berkshire Hathaway Inc. (BRK-B) has a volatility of 3.98%. This indicates that PTTRX experiences smaller price fluctuations and is considered to be less risky than BRK-B based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PTTRX	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.73%	3.98%	-2.25%
Volatility (6M) Calculated over the trailing 6-month period	3.55%	10.87%	-7.32%
Volatility (1Y) Calculated over the trailing 1-year period	4.64%	14.38%	-9.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.27%	17.13%	-10.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.23%	19.44%	-14.21%

Dividends

PTTRX vs. BRK-B - Dividend Comparison

PTTRX's dividend yield for the trailing twelve months is around 4.57%, while BRK-B has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BRK-B Berkshire Hathaway Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PTTRX PIMCO Total Return Fund Institutional Class	4.57%	4.47%	4.61%	3.81%	3.63%	2.59%	6.11%	3.96%	3.13%	2.63%	3.02%	6.64%

Frequently Asked Questions

Can I hold both PTTRX and BRK-B in my portfolio?

PTTRX and BRK-B have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PTTRX or BRK-B?

BRK-B has higher volatility (3.98%) compared to PTTRX (1.73%). In terms of maximum drawdown, PTTRX dropped -19.28% vs BRK-B's -53.86%.

Which has better risk-adjusted returns?

PTTRX currently has the higher Sharpe Ratio (1.35 vs -0.09), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.