PEMYX vs. BRK-B

Last updated Jun 5, 2026

PEMYX (Putnam Emerging Markets Equity Fund) is Emerging Markets Diversified fund managed by Putnam, while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 10 years, PEMYX returned 12.50%/yr vs 12.93%/yr for BRK-B. At a 0.45 correlation, their price movements are largely independent.

Performance

PEMYX vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Putnam Emerging Markets Equity Fund (PEMYX) 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, PEMYX achieves a 29.68% return, which is significantly higher than BRK-B's -4.78% return. Both investments have delivered pretty close results over the past 10 years, with PEMYX having a 12.50% annualized return and BRK-B not far ahead at 12.93%.

PEMYX

• 1D: -0.37%
• 1M: 8.08%
• YTD: 29.68%
• 6M: 32.46%
• 1Y: 56.40%
• 3Y*: 28.33%
• 5Y*: 8.56%
• 10Y*: 12.50%

BRK-B

• 1D: 0.69%
• 1M: 2.82%
• YTD: -4.78%
• 6M: -4.89%
• 1Y: -2.52%
• 3Y*: 13.36%
• 5Y*: 10.35%
• 10Y*: 12.93%

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

PEMYX vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PEMYX Putnam Emerging Markets Equity Fund	29.68%	33.48%	16.22%	12.16%	-27.42%	-3.85%	37.11%	22.70%	-17.39%	42.73%
BRK-B Berkshire Hathaway Inc.	-4.78%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%

Correlation

The correlation between PEMYX 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	0.11
Correlation (5Y) Calculated over the trailing 5-year period	0.26
Correlation (10Y) Calculated over the trailing 10-year period	0.35
Correlation (All Time) Calculated using the full available price history since Oct 1, 2008	0.45

The correlation between PEMYX and BRK-B shifts across timeframes, from -0.09 (1 year) to 0.45 (all time), reflecting how their relationship changes across market environments.

Return for Risk

PEMYX vs. BRK-B — Risk / Return Rank

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

PEMYX

PEMYX Risk / Return Rank: 89
PEMYX Sharpe Ratio Rank: 94
PEMYX Sortino Ratio Rank: 86
PEMYX Omega Ratio Rank: 86
PEMYX Calmar Ratio Rank: 89
PEMYX Martin Ratio Rank: 90

BRK-B

BRK-B Risk / Return Rank: 31
BRK-B Sharpe Ratio Rank: 34
BRK-B Sortino Ratio Rank: 28
BRK-B Omega Ratio Rank: 27
BRK-B Calmar Ratio Rank: 33
BRK-B Martin Ratio Rank: 32

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.

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

This table presents a comparison of risk-adjusted performance metrics for Putnam Emerging Markets Equity Fund (PEMYX) 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.

	PEMYX	BRK-B	Difference
Sharpe ratio: Return per unit of total volatility	3.25	-0.18	+3.43
Sortino ratio: Return per unit of downside risk	4.13	-0.15	+4.27
Omega ratio: Gain probability vs. loss probability	1.61	0.98	+0.62
Calmar ratio: Return relative to maximum drawdown	4.39	-0.27	+4.66
Martin ratio: Return relative to average drawdown	17.67	-0.57	+18.24
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PEMYX vs. BRK-B - Sharpe Ratio Comparison

The current PEMYX Sharpe Ratio is 3.25, which is higher than the BRK-B Sharpe Ratio of -0.18. The chart below compares the historical Sharpe Ratios of PEMYX 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

	PEMYX	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.25	-0.18	+3.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.50	0.61	-0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.70	0.67	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.36	0.48	-0.12

Drawdowns

PEMYX vs. BRK-B - Drawdown Comparison

The maximum PEMYX drawdown since its inception was -45.25%, smaller than the maximum BRK-B drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for PEMYX and BRK-B.

Drawdown Indicators

	PEMYX	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-45.25%	-53.86%	+8.61%
Max Drawdown (1Y) Largest decline over 1 year	-13.26%	-9.42%	-3.84%
Max Drawdown (3Y) Largest decline over 3 years	-13.26%	-14.95%	+1.69%
Max Drawdown (5Y) Largest decline over 5 years	-41.05%	-26.58%	-14.47%
Max Drawdown (10Y) Largest decline over 10 years	-45.16%	-29.57%	-15.59%
Current Drawdown Current decline from peak	-0.37%	-11.33%	+10.96%
Average Drawdown Average peak-to-trough decline	-16.38%	-11.07%	-5.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.29%	4.46%	-1.17%

Volatility

PEMYX vs. BRK-B - Volatility Comparison

Putnam Emerging Markets Equity Fund (PEMYX) has a higher volatility of 7.95% compared to Berkshire Hathaway Inc. (BRK-B) at 3.72%. This indicates that PEMYX's price experiences larger fluctuations and is considered to be riskier than BRK-B based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PEMYX	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.95%	3.72%	+4.23%
Volatility (6M) Calculated over the trailing 6-month period	15.38%	10.70%	+4.68%
Volatility (1Y) Calculated over the trailing 1-year period	17.92%	14.32%	+3.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.16%	17.11%	+0.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.90%	19.43%	-1.53%

Dividends

PEMYX vs. BRK-B - Dividend Comparison

PEMYX's dividend yield for the trailing twelve months is around 0.60%, 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%
PEMYX Putnam Emerging Markets Equity Fund	0.60%	0.78%	1.85%	0.99%	0.00%	5.27%	1.78%	1.40%	2.16%	0.24%	1.18%	1.50%

Frequently Asked Questions

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

PEMYX 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, PEMYX or BRK-B?

PEMYX has higher volatility (7.95%) compared to BRK-B (3.72%). In terms of maximum drawdown, PEMYX dropped -45.25% vs BRK-B's -53.86%.

Which has better risk-adjusted returns?

PEMYX currently has the higher Sharpe Ratio (3.25 vs -0.18), 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.