FJPNX vs. BRK-B

Last updated Jun 3, 2026

FJPNX (Fidelity Japan Fund) is Japan Equities fund managed by Fidelity, while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 10 years, FJPNX returned 11.48%/yr vs 12.82%/yr for BRK-B. At a 0.29 correlation, their price movements are largely independent.

Performance

FJPNX vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Japan Fund (FJPNX) 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, FJPNX achieves a 24.63% return, which is significantly higher than BRK-B's -6.20% return. Over the past 10 years, FJPNX has underperformed BRK-B with an annualized return of 11.48%, while BRK-B has yielded a comparatively higher 12.82% annualized return.

FJPNX

• 1D: -0.08%
• 1M: 7.50%
• YTD: 24.63%
• 6M: 25.50%
• 1Y: 42.79%
• 3Y*: 21.90%
• 5Y*: 10.37%
• 10Y*: 11.48%

BRK-B

• 1D: 0.26%
• 1M: -0.32%
• YTD: -6.20%
• 6M: -6.94%
• 1Y: -6.23%
• 3Y*: 12.69%
• 5Y*: 10.06%
• 10Y*: 12.82%

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

FJPNX vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FJPNX Fidelity Japan Fund	24.63%	31.66%	7.37%	15.86%	-22.23%	3.11%	25.42%	25.74%	-14.84%	29.26%
BRK-B Berkshire Hathaway Inc.	-6.20%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%

Correlation

The correlation between FJPNX and BRK-B is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.25
Correlation (5Y) Calculated over the trailing 5-year period	0.34
Correlation (10Y) Calculated over the trailing 10-year period	0.40
Correlation (All Time) Calculated using the full available price history since May 10, 1996	0.29

The correlation between FJPNX and BRK-B shifts across timeframes, from 0.14 (1 year) to 0.40 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

FJPNX vs. BRK-B — Risk / Return Rank

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

FJPNX

FJPNX Risk / Return Rank: 60
FJPNX Sharpe Ratio Rank: 53
FJPNX Sortino Ratio Rank: 48
FJPNX Omega Ratio Rank: 47
FJPNX Calmar Ratio Rank: 79
FJPNX Martin Ratio Rank: 73

BRK-B

BRK-B Risk / Return Rank: 17
BRK-B Sharpe Ratio Rank: 21
BRK-B Sortino Ratio Rank: 19
BRK-B Omega Ratio Rank: 19
BRK-B Calmar Ratio Rank: 15
BRK-B Martin Ratio Rank: 8

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.

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

This table presents a comparison of risk-adjusted performance metrics for Fidelity Japan Fund (FJPNX) 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.

	FJPNX	BRK-B	Difference
Sharpe ratio Return per unit of total volatility	2.15	-0.44	+2.58
Sortino ratio Return per unit of downside risk	2.90	-0.51	+3.40
Omega ratio Gain probability vs. loss probability	1.38	0.94	+0.44
Calmar ratio Return relative to maximum drawdown	3.63	-0.68	+4.32
Martin ratio Return relative to average drawdown	13.87	-1.36	+15.23
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FJPNX vs. BRK-B - Sharpe Ratio Comparison

The current FJPNX Sharpe Ratio is 2.15, which is higher than the BRK-B Sharpe Ratio of -0.44. The chart below compares the historical Sharpe Ratios of FJPNX 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

	FJPNX	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.15	-0.44	+2.58
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.59	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.63	0.66	-0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	0.48	-0.21

Drawdowns

FJPNX vs. BRK-B - Drawdown Comparison

The maximum FJPNX drawdown since its inception was -64.83%, which is greater than BRK-B's maximum drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for FJPNX and BRK-B.

Drawdown Indicators

	FJPNX	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-64.83%	-53.86%	-10.97%
Max Drawdown (1Y) Largest decline over 1 year	-12.74%	-9.42%	-3.32%
Max Drawdown (3Y) Largest decline over 3 years	-19.19%	-14.95%	-4.24%
Max Drawdown (5Y) Largest decline over 5 years	-36.23%	-26.58%	-9.65%
Max Drawdown (10Y) Largest decline over 10 years	-36.23%	-29.57%	-6.66%
Current Drawdown Current decline from peak	-1.52%	-12.65%	+11.13%
Average Drawdown Average peak-to-trough decline	-24.90%	-11.07%	-13.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.33%	4.73%	-1.40%

Volatility

FJPNX vs. BRK-B - Volatility Comparison

Fidelity Japan Fund (FJPNX) has a higher volatility of 5.34% compared to Berkshire Hathaway Inc. (BRK-B) at 3.79%. This indicates that FJPNX'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

	FJPNX	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.34%	3.79%	+1.55%
Volatility (6M) Calculated over the trailing 6-month period	16.41%	10.68%	+5.73%
Volatility (1Y) Calculated over the trailing 1-year period	21.29%	14.31%	+6.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.97%	17.11%	+2.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.28%	19.43%	-1.15%

Dividends

FJPNX vs. BRK-B - Dividend Comparison

FJPNX's dividend yield for the trailing twelve months is around 7.99%, 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%
FJPNX Fidelity Japan Fund	7.99%	9.95%	4.85%	3.71%	0.00%	11.58%	1.79%	1.18%	0.38%	0.23%	1.22%	0.64%

Frequently Asked Questions

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

FJPNX and BRK-B have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FJPNX or BRK-B?

FJPNX has higher volatility (5.34%) compared to BRK-B (3.79%). In terms of maximum drawdown, FJPNX dropped -64.83% vs BRK-B's -53.86%.

Which has better risk-adjusted returns?

FJPNX currently has the higher Sharpe Ratio (2.15 vs -0.44), 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.