IVOO vs. BRK-B

Last updated Jun 24, 2026

IVOO (Vanguard S&P Mid-Cap 400 ETF) is Mid Cap Blend Equities fund tracking the S&P MidCap 400 Index, while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 10 years, IVOO returned 11.59%/yr vs 13.43%/yr for BRK-B. A 0.64 correlation means they provide meaningful diversification when combined.

Performance

IVOO vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard S&P Mid-Cap 400 ETF (IVOO) 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, IVOO achieves a 14.65% return, which is significantly higher than BRK-B's -1.96% return. Over the past 10 years, IVOO has underperformed BRK-B with an annualized return of 11.59%, while BRK-B has yielded a comparatively higher 13.43% annualized return.

IVOO

• 1D: -1.01%
• 1M: 2.69%
• YTD: 14.65%
• 6M: 12.56%
• 1Y: 25.18%
• 3Y*: 16.08%
• 5Y*: 8.44%
• 10Y*: 11.59%

BRK-B

• 1D: 0.84%
• 1M: 1.32%
• YTD: -1.96%
• 6M: -1.54%
• 1Y: 1.03%
• 3Y*: 13.70%
• 5Y*: 12.33%
• 10Y*: 13.43%

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

IVOO vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IVOO Vanguard S&P Mid-Cap 400 ETF	14.65%	7.47%	13.77%	16.45%	-13.17%	24.61%	13.61%	26.18%	-11.33%	16.38%
BRK-B Berkshire Hathaway Inc.	-1.96%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%

Correlation

The correlation between IVOO and BRK-B is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.20
Correlation (3Y) Calculated over the trailing 3-year period	0.41
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (10Y) Calculated over the trailing 10-year period	0.61
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.64

Over the past year, the correlation between IVOO and BRK-B has dropped to 0.20 - well below their long-term average of 0.64, suggesting their price drivers have been diverging.

Return for Risk

IVOO vs. BRK-B — Risk / Return Rank

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

IVOO

IVOO Risk / Return Rank: 53
IVOO Sharpe Ratio Rank: 48
IVOO Sortino Ratio Rank: 49
IVOO Omega Ratio Rank: 45
IVOO Calmar Ratio Rank: 61
IVOO Martin Ratio Rank: 61

BRK-B

BRK-B Risk / Return Rank: 41
BRK-B Sharpe Ratio Rank: 45
BRK-B Sortino Ratio Rank: 36
BRK-B Omega Ratio Rank: 36
BRK-B Calmar Ratio Rank: 45
BRK-B Martin Ratio Rank: 45

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.

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

This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P Mid-Cap 400 ETF (IVOO) 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.

	IVOO	BRK-B	Difference
Sharpe ratio: Return per unit of total volatility	1.59	0.07	+1.52
Sortino ratio: Return per unit of downside risk	2.33	0.20	+2.14
Omega ratio: Gain probability vs. loss probability	1.28	1.02	+0.26
Calmar ratio: Return relative to maximum drawdown	2.87	0.11	+2.76
Martin ratio: Return relative to average drawdown	10.47	0.23	+10.24

IVOO vs. BRK-B - Sharpe Ratio Comparison

The current IVOO Sharpe Ratio is 1.59, which is higher than the BRK-B Sharpe Ratio of 0.07. The chart below compares the historical Sharpe Ratios of IVOO 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

IVOO vs. BRK-B - Drawdown Comparison

The maximum IVOO drawdown since its inception was -42.33%, smaller than the maximum BRK-B drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for IVOO and BRK-B.

Drawdown Indicators

	IVOO	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-42.33%	-53.86%	+11.53%
Max Drawdown (1Y) Largest decline over 1 year	-8.81%	-9.42%	+0.61%
Max Drawdown (3Y) Largest decline over 3 years	-24.22%	-14.95%	-9.27%
Max Drawdown (5Y) Largest decline over 5 years	-24.22%	-26.58%	+2.36%
Max Drawdown (10Y) Largest decline over 10 years	-42.33%	-29.57%	-12.76%
Current Drawdown Current decline from peak	-1.12%	-8.71%	+7.59%
Average Drawdown Average peak-to-trough decline	-5.25%	-11.07%	+5.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.41%	4.57%	-2.16%

Volatility

IVOO vs. BRK-B - Volatility Comparison

Vanguard S&P Mid-Cap 400 ETF (IVOO) has a higher volatility of 4.73% compared to Berkshire Hathaway Inc. (BRK-B) at 3.75%. This indicates that IVOO'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

	IVOO	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.73%	3.75%	+0.98%
Volatility (6M) Calculated over the trailing 6-month period	11.77%	10.63%	+1.14%
Volatility (1Y) Calculated over the trailing 1-year period	15.89%	14.39%	+1.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.74%	17.10%	+2.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.19%	19.39%	+1.80%

Dividends

IVOO vs. BRK-B - Dividend Comparison

IVOO's dividend yield for the trailing twelve months is around 1.19%, 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%
IVOO Vanguard S&P Mid-Cap 400 ETF	1.19%	1.35%	1.30%	1.25%	1.58%	1.14%	1.23%	1.49%	1.56%	1.22%	1.37%	1.45%

Frequently Asked Questions

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

IVOO and BRK-B have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IVOO or BRK-B?

IVOO has higher volatility (4.73%) compared to BRK-B (3.75%). In terms of maximum drawdown, IVOO dropped -42.33% vs BRK-B's -53.86%.

Which has better risk-adjusted returns?

IVOO currently has the higher Sharpe Ratio (1.59 vs 0.07), 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.