OAKWX vs. GCCHX

Last updated Apr 2, 2026

Compare and contrast key facts about Oakmark Global Select Fund (OAKWX) and GMO Climate Change Fund (GCCHX).

OAKWX is managed by Oakmark. It was launched on Oct 1, 2006. GCCHX is managed by GMO. It was launched on Apr 4, 2017.

Performance

OAKWX vs. GCCHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oakmark Global Select Fund (OAKWX) and GMO Climate Change Fund (GCCHX). The values are adjusted to include any dividend payments, if applicable.

OAKWX vs. GCCHX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OAKWX Oakmark Global Select Fund	-8.12%	20.73%	4.68%	22.72%	-22.48%	25.99%	13.04%	29.82%	-21.20%	15.65%
GCCHX GMO Climate Change Fund	10.71%	39.25%	-25.63%	-6.85%	-10.39%	21.84%	42.82%	27.36%	-16.35%	26.15%

Returns By Period

In the year-to-date period, OAKWX achieves a -8.12% return, which is significantly lower than GCCHX's 10.71% return.

OAKWX

• 1D: 2.20%
• 1M: -7.63%
• YTD: -8.12%
• 6M: -6.66%
• 1Y: 2.20%
• 3Y*: 9.31%
• 5Y*: 4.42%
• 10Y*: 8.41%

GCCHX

• 1D: 3.85%
• 1M: -2.15%
• YTD: 10.71%
• 6M: 17.26%
• 1Y: 69.04%
• 3Y*: 0.26%
• 5Y*: 1.25%
• 10Y*: —

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

OAKWX vs. GCCHX - Expense Ratio Comparison

OAKWX has a 1.10% expense ratio, which is higher than GCCHX's 0.77% expense ratio.

OAKWX

Oakmark Global Select Fund

GCCHX

GMO Climate Change Fund

Return for Risk

OAKWX vs. GCCHX — Risk / Return Rank

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

OAKWX

OAKWX Risk / Return Rank: 7
OAKWX Sharpe Ratio Rank: 6
OAKWX Sortino Ratio Rank: 6
OAKWX Omega Ratio Rank: 6
OAKWX Calmar Ratio Rank: 7
OAKWX Martin Ratio Rank: 8

GCCHX

GCCHX Risk / Return Rank: 95
GCCHX Sharpe Ratio Rank: 97
GCCHX Sortino Ratio Rank: 95
GCCHX Omega Ratio Rank: 90
GCCHX Calmar Ratio Rank: 98
GCCHX Martin Ratio Rank: 96

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.

OAKWX vs. GCCHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oakmark Global Select Fund (OAKWX) and GMO Climate Change Fund (GCCHX). 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.

	OAKWX	GCCHX	Difference
Sharpe ratio Return per unit of total volatility	0.14	2.55	-2.41
Sortino ratio Return per unit of downside risk	0.31	3.20	-2.89
Omega ratio Gain probability vs. loss probability	1.04	1.42	-0.38
Calmar ratio Return relative to maximum drawdown	0.16	4.57	-4.41
Martin ratio Return relative to average drawdown	0.58	16.21	-15.63
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OAKWX vs. GCCHX - Sharpe Ratio Comparison

The current OAKWX Sharpe Ratio is 0.14, which is lower than the GCCHX Sharpe Ratio of 2.55. The chart below compares the historical Sharpe Ratios of OAKWX and GCCHX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	OAKWX	GCCHX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.14	2.55	-2.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	0.05	+0.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.44	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.38	0.37	0.00

Correlation

The correlation between OAKWX and GCCHX is 0.73, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

OAKWX vs. GCCHX - Dividend Comparison

OAKWX's dividend yield for the trailing twelve months is around 1.56%, more than GCCHX's 1.36% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OAKWX Oakmark Global Select Fund	1.56%	1.43%	1.17%	0.83%	0.33%	14.91%	0.00%	1.17%	5.28%	5.48%	1.00%	5.60%
GCCHX GMO Climate Change Fund	1.36%	1.51%	0.66%	0.96%	2.24%	25.43%	5.42%	4.03%	2.62%	3.43%	0.00%	0.00%

Drawdowns

OAKWX vs. GCCHX - Drawdown Comparison

The maximum OAKWX drawdown since its inception was -54.43%, roughly equal to the maximum GCCHX drawdown of -54.32%. Use the drawdown chart below to compare losses from any high point for OAKWX and GCCHX.

Drawdown Indicators

	OAKWX	GCCHX	Difference
Max Drawdown Largest peak-to-trough decline	-54.43%	-54.32%	-0.11%
Max Drawdown (1Y) Largest decline over 1 year	-14.26%	-14.89%	+0.63%
Max Drawdown (5Y) Largest decline over 5 years	-32.79%	-54.32%	+21.53%
Max Drawdown (10Y) Largest decline over 10 years	-42.07%	—	—
Current Drawdown Current decline from peak	-12.38%	-9.81%	-2.57%
Average Drawdown Average peak-to-trough decline	-9.45%	-14.11%	+4.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.02%	4.20%	-0.18%

Volatility

OAKWX vs. GCCHX - Volatility Comparison

The current volatility for Oakmark Global Select Fund (OAKWX) is 4.73%, while GMO Climate Change Fund (GCCHX) has a volatility of 9.28%. This indicates that OAKWX experiences smaller price fluctuations and is considered to be less risky than GCCHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OAKWX	GCCHX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.73%	9.28%	-4.55%
Volatility (6M) Calculated over the trailing 6-month period	9.32%	17.44%	-8.12%
Volatility (1Y) Calculated over the trailing 1-year period	15.86%	27.93%	-12.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.91%	26.92%	-10.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.15%	25.23%	-6.08%