TRLGX vs. OANMX

Last updated Jun 25, 2026

TRLGX (T. Rowe Price Large-Cap Growth Fund) and OANMX (Oakmark Fund Institutional Class) are both mutual funds - TRLGX is a Large Cap Growth Equities fund actively managed by T. Rowe Price, while OANMX is a Large Cap Value Equities fund managed by Oakmark. Over the past 5 years, TRLGX returned 9.86%/yr vs 9.80%/yr for OANMX. A 0.67 correlation means they provide meaningful diversification when combined. TRLGX charges 0.55%/yr vs 0.68%/yr for OANMX.

Performance

TRLGX vs. OANMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Large-Cap Growth Fund (TRLGX) and Oakmark Fund Institutional Class (OANMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRLGX achieves a -1.57% return, which is significantly higher than OANMX's -1.69% return.

TRLGX

• 1D: -1.31%
• 1M: -3.90%
• YTD: -1.57%
• 6M: -2.65%
• 1Y: 10.72%
• 3Y*: 22.05%
• 5Y*: 9.86%
• 10Y*: 18.33%

OANMX

• 1D: 0.23%
• 1M: -0.80%
• YTD: -1.69%
• 6M: -2.64%
• 1Y: 8.11%
• 3Y*: 14.67%
• 5Y*: 9.80%
• 10Y*: —

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

TRLGX vs. OANMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TRLGX T. Rowe Price Large-Cap Growth Fund	-1.57%	17.51%	37.57%	46.22%	-35.26%	23.24%	39.57%	28.51%	4.35%	37.77%
OANMX Oakmark Fund Institutional Class	-1.69%	14.38%	16.28%	31.21%	-13.18%	34.87%	13.09%	27.35%	-12.62%	15.96%

Correlation

The correlation between TRLGX and OANMX is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.43
Correlation (3Y) Calculated over the trailing 3-year period	0.47
Correlation (5Y) Calculated over the trailing 5-year period	0.64
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017	0.67

Over the past year, the correlation between TRLGX and OANMX has dropped to 0.43 - well below their long-term average of 0.67, suggesting their price drivers have been diverging.

Return for Risk

TRLGX vs. OANMX — Risk / Return Rank

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

TRLGX

TRLGX Risk / Return Rank: 9
TRLGX Sharpe Ratio Rank: 10
TRLGX Sortino Ratio Rank: 10
TRLGX Omega Ratio Rank: 10
TRLGX Calmar Ratio Rank: 8
TRLGX Martin Ratio Rank: 8

OANMX

OANMX Risk / Return Rank: 11
OANMX Sharpe Ratio Rank: 9
OANMX Sortino Ratio Rank: 10
OANMX Omega Ratio Rank: 9
OANMX Calmar Ratio Rank: 17
OANMX Martin Ratio Rank: 13

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.

TRLGX vs. OANMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Large-Cap Growth Fund (TRLGX) and Oakmark Fund Institutional Class (OANMX). 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.

	TRLGX	OANMX	Difference
Sharpe ratio: Return per unit of total volatility	0.77	0.70	+0.07
Sortino ratio: Return per unit of downside risk	1.14	1.09	+0.06
Omega ratio: Gain probability vs. loss probability	1.14	1.13	+0.01
Calmar ratio: Return relative to maximum drawdown	0.70	1.33	-0.63
Martin ratio: Return relative to average drawdown	2.15	3.26	-1.12

TRLGX vs. OANMX - Sharpe Ratio Comparison

The current TRLGX Sharpe Ratio is 0.77, which is comparable to the OANMX Sharpe Ratio of 0.70. The chart below compares the historical Sharpe Ratios of TRLGX and OANMX, 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

TRLGX vs. OANMX - Drawdown Comparison

The maximum TRLGX drawdown since its inception was -55.56%, which is greater than OANMX's maximum drawdown of -40.08%. Use the drawdown chart below to compare losses from any high point for TRLGX and OANMX.

Drawdown Indicators

	TRLGX	OANMX	Difference
Max Drawdown Largest peak-to-trough decline	-55.56%	-40.08%	-15.48%
Max Drawdown (1Y) Largest decline over 1 year	-18.18%	-6.93%	-11.25%
Max Drawdown (3Y) Largest decline over 3 years	-21.17%	-17.01%	-4.16%
Max Drawdown (5Y) Largest decline over 5 years	-40.44%	-23.55%	-16.89%
Max Drawdown (10Y) Largest decline over 10 years	-40.44%	—	—
Current Drawdown Current decline from peak	-7.20%	-4.21%	-2.99%
Average Drawdown Average peak-to-trough decline	-8.67%	-5.57%	-3.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.87%	2.82%	+3.05%

Volatility

TRLGX vs. OANMX - Volatility Comparison

T. Rowe Price Large-Cap Growth Fund (TRLGX) has a higher volatility of 6.54% compared to Oakmark Fund Institutional Class (OANMX) at 3.78%. This indicates that TRLGX's price experiences larger fluctuations and is considered to be riskier than OANMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRLGX	OANMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.54%	3.78%	+2.76%
Volatility (6M) Calculated over the trailing 6-month period	13.45%	9.45%	+4.00%
Volatility (1Y) Calculated over the trailing 1-year period	16.54%	13.18%	+3.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.49%	18.28%	+4.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.78%	20.61%	+1.17%

TRLGX vs. OANMX - Expense Ratio Comparison

TRLGX has a 0.55% expense ratio, which is lower than OANMX's 0.68% expense ratio.

Dividends

TRLGX vs. OANMX - Dividend Comparison

TRLGX's dividend yield for the trailing twelve months is around 13.91%, more than OANMX's 1.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OANMX Oakmark Fund Institutional Class	1.16%	1.14%	1.34%	1.22%	1.17%	1.94%	0.33%	8.53%	8.37%	0.66%	0.00%	0.00%
TRLGX T. Rowe Price Large-Cap Growth Fund	13.91%	13.69%	9.80%	2.04%	3.88%	2.56%	0.42%	4.09%	7.93%	9.27%	1.64%	4.71%

Frequently Asked Questions

Can I hold both TRLGX and OANMX in my portfolio?

TRLGX and OANMX have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRLGX or OANMX?

TRLGX has higher volatility (6.54%) compared to OANMX (3.78%). In terms of maximum drawdown, TRLGX dropped -55.56% vs OANMX's -40.08%.

Which has better risk-adjusted returns?

TRLGX currently has the higher Sharpe Ratio (0.77 vs 0.70), 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.