PEMYX vs. BRK-B

Last updated Jun 25, 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 12.30%/yr vs 13.48%/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 25.12% return, which is significantly higher than BRK-B's -1.56% return. Over the past 10 years, PEMYX has underperformed BRK-B with an annualized return of 12.30%, while BRK-B has yielded a comparatively higher 13.48% annualized return.

PEMYX

• 1D: -5.41%
• 1M: 3.37%
• YTD: 25.12%
• 6M: 26.26%
• 1Y: 46.00%
• 3Y*: 26.67%
• 5Y*: 7.56%
• 10Y*: 12.30%

BRK-B

• 1D: 0.41%
• 1M: 1.73%
• YTD: -1.56%
• 6M: -1.30%
• 1Y: 0.27%
• 3Y*: 13.86%
• 5Y*: 12.19%
• 10Y*: 13.48%

*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	25.12%	33.48%	16.22%	12.16%	-27.42%	-3.85%	37.11%	22.70%	-17.39%	42.73%
BRK-B Berkshire Hathaway Inc.	-1.56%	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 -0.10, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.10
Correlation (3Y) Calculated over the trailing 3-year period	0.10
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 Sep 30, 2008	0.45

The correlation between PEMYX and BRK-B shifts across timeframes, from -0.10 (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: 79
PEMYX Sharpe Ratio Rank: 80
PEMYX Sortino Ratio Rank: 63
PEMYX Omega Ratio Rank: 80
PEMYX Calmar Ratio Rank: 86
PEMYX Martin Ratio Rank: 85

BRK-B

BRK-B Risk / Return Rank: 40
BRK-B Sharpe Ratio Rank: 44
BRK-B Sortino Ratio Rank: 35
BRK-B Omega Ratio Rank: 35
BRK-B Calmar Ratio Rank: 44
BRK-B 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.

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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	PEMYX	BRK-B	Difference
Sharpe ratio: Return per unit of total volatility	2.38	0.02	+2.36
Sortino ratio: Return per unit of downside risk	2.94	0.12	+2.81
Omega ratio: Gain probability vs. loss probability	1.46	1.02	+0.44
Calmar ratio: Return relative to maximum drawdown	3.78	0.03	+3.76
Martin ratio: Return relative to average drawdown	14.47	0.06	+14.41

PEMYX vs. BRK-B - Sharpe Ratio Comparison

The current PEMYX Sharpe Ratio is 2.38, which is higher than the BRK-B Sharpe Ratio of 0.02. 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.

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	-5.41%	-8.33%	+2.92%
Average Drawdown Average peak-to-trough decline	-16.34%	-11.07%	-5.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.46%	4.58%	-1.12%

Volatility

PEMYX vs. BRK-B - Volatility Comparison

Putnam Emerging Markets Equity Fund (PEMYX) has a higher volatility of 12.51% compared to Berkshire Hathaway Inc. (BRK-B) at 3.55%. 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	12.51%	3.55%	+8.96%
Volatility (6M) Calculated over the trailing 6-month period	19.13%	10.49%	+8.64%
Volatility (1Y) Calculated over the trailing 1-year period	21.13%	14.38%	+6.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.88%	17.10%	+0.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.17%	19.39%	-1.22%

Dividends

PEMYX vs. BRK-B - Dividend Comparison

PEMYX's dividend yield for the trailing twelve months is around 0.62%, 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	0.62%	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 -0.10, 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 (12.51%) compared to BRK-B (3.55%). 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 (2.38 vs 0.02), 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.