PXSGX vs. BRK-B

Last updated Jul 14, 2026

PXSGX (Virtus KAR Small-Cap Growth Fund) is Small Cap Growth Equities fund managed by Virtus, while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 10 years, PXSGX returned 10.13%/yr vs 13.03%/yr for BRK-B. A 0.50 correlation means they provide meaningful diversification when combined.

Performance

PXSGX vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus KAR Small-Cap Growth Fund (PXSGX) 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, PXSGX achieves a -2.25% return, which is significantly lower than BRK-B's -1.15% return. Over the past 10 years, PXSGX has underperformed BRK-B with an annualized return of 10.13%, while BRK-B has yielded a comparatively higher 13.03% annualized return.

PXSGX

• 1D: 1.02%
• 1M: 5.29%
• 6M: -7.90%
• YTD: -2.25%
• 1Y: -17.88%
• 3Y*: -1.39%
• 5Y*: -4.85%
• 10Y*: 10.13%

BRK-B

• 1D: 0.64%
• 1M: 1.55%
• 6M: -0.36%
• YTD: -1.15%
• 1Y: 4.41%
• 3Y*: 13.36%
• 5Y*: 12.29%
• 10Y*: 13.03%

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

PXSGX vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PXSGX Virtus KAR Small-Cap Growth Fund	-2.25%	-22.97%	21.11%	20.27%	-30.04%	4.47%	43.46%	40.26%	9.05%	36.99%
BRK-B Berkshire Hathaway Inc.	-1.15%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%

Correlation

The correlation between PXSGX and BRK-B is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.41
Correlation (5Y) Calculated over the trailing 5-year period	0.46
Correlation (10Y) Calculated over the trailing 10-year period	0.45
Correlation (All Time) Calculated using the full available price history since Jun 29, 2006	0.50

Over the past year, the correlation between PXSGX and BRK-B has dropped to 0.29 - well below their long-term average of 0.50, suggesting their price drivers have been diverging.

Return for Risk

PXSGX vs. BRK-B — Risk / Return Rank

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

PXSGX

PXSGX Risk / Return Rank: 1
PXSGX Sharpe Ratio Rank: 0
PXSGX Sortino Ratio Rank: 0
PXSGX Omega Ratio Rank: 1
PXSGX Calmar Ratio Rank: 1
PXSGX Martin Ratio Rank: 1

BRK-B

BRK-B Risk / Return Rank: 53
BRK-B Sharpe Ratio Rank: 57
BRK-B Sortino Ratio Rank: 47
BRK-B Omega Ratio Rank: 47
BRK-B Calmar Ratio Rank: 57
BRK-B Martin Ratio Rank: 57

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.

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

This table presents a comparison of risk-adjusted performance metrics for Virtus KAR Small-Cap Growth Fund (PXSGX) 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.

	PXSGX	BRK-B	Difference
Sharpe ratio: Return per unit of total volatility	-1.02	0.31	-1.32
Sortino ratio: Return per unit of downside risk	-1.46	0.52	-1.98
Omega ratio: Gain probability vs. loss probability	0.85	1.06	-0.21
Calmar ratio: Return relative to maximum drawdown	-0.68	0.47	-1.15
Martin ratio: Return relative to average drawdown	-1.12	0.99	-2.11

PXSGX vs. BRK-B - Sharpe Ratio Comparison

The current PXSGX Sharpe Ratio is -1.02, which is lower than the BRK-B Sharpe Ratio of 0.31. The chart below compares the historical Sharpe Ratios of PXSGX 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

PXSGX vs. BRK-B - Drawdown Comparison

The maximum PXSGX drawdown since its inception was -53.72%, roughly equal to the maximum BRK-B drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for PXSGX and BRK-B.

Drawdown Indicators

	PXSGX	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-53.72%	-53.86%	+0.14%
Max Drawdown (1Y) Largest decline over 1 year	-28.07%	-9.42%	-18.65%
Max Drawdown (3Y) Largest decline over 3 years	-42.49%	-14.95%	-27.54%
Max Drawdown (5Y) Largest decline over 5 years	-42.49%	-26.58%	-15.91%
Max Drawdown (10Y) Largest decline over 10 years	-42.49%	-29.57%	-12.92%
Current Drawdown Current decline from peak	-35.51%	-7.96%	-27.55%
Average Drawdown Average peak-to-trough decline	-11.89%	-11.06%	-0.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.12%	4.45%	+12.67%

Volatility

PXSGX vs. BRK-B - Volatility Comparison

Virtus KAR Small-Cap Growth Fund (PXSGX) has a higher volatility of 5.28% compared to Berkshire Hathaway Inc. (BRK-B) at 4.39%. This indicates that PXSGX'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

	PXSGX	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.28%	4.39%	+0.89%
Volatility (6M) Calculated over the trailing 6-month period	13.30%	10.97%	+2.33%
Volatility (1Y) Calculated over the trailing 1-year period	18.84%	14.54%	+4.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.84%	17.11%	+7.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.58%	19.40%	+3.18%

Dividends

PXSGX vs. BRK-B - Dividend Comparison

PXSGX's dividend yield for the trailing twelve months is around 49.01%, 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%
PXSGX Virtus KAR Small-Cap Growth Fund	49.01%	47.91%	20.72%	5.31%	17.32%	14.31%	9.64%	1.52%	2.31%	0.00%	2.69%	2.99%

Frequently Asked Questions

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

PXSGX and BRK-B have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PXSGX or BRK-B?

PXSGX has higher volatility (5.28%) compared to BRK-B (4.39%). In terms of maximum drawdown, PXSGX dropped -53.72% vs BRK-B's -53.86%.

Which has better risk-adjusted returns?

BRK-B currently has the higher Sharpe Ratio (0.31 vs -1.02), 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.