TCBIX vs. TPLGX

Last updated Jun 23, 2026

TCBIX (The Covered Bridge Fund) and TPLGX (T. Rowe Price Institutional Large Cap Core Growth Fund) are both mutual funds - TCBIX is a Derivative Income fund managed by Covered Bridge, while TPLGX is a Large Cap Growth Equities fund managed by T. Rowe Price. Over the past 10 years, TCBIX returned 7.67%/yr vs 16.54%/yr for TPLGX. A 0.55 correlation means they provide meaningful diversification when combined. TCBIX charges 1.40%/yr vs 0.57%/yr for TPLGX.

Performance

TCBIX vs. TPLGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in The Covered Bridge Fund (TCBIX) and T. Rowe Price Institutional Large Cap Core Growth Fund (TPLGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TCBIX achieves a 7.98% return, which is significantly higher than TPLGX's 1.91% return. Over the past 10 years, TCBIX has underperformed TPLGX with an annualized return of 7.67%, while TPLGX has yielded a comparatively higher 16.54% annualized return.

TCBIX

• 1D: -0.42%
• 1M: -1.55%
• YTD: 7.98%
• 6M: 7.86%
• 1Y: 17.41%
• 3Y*: 9.33%
• 5Y*: 6.60%
• 10Y*: 7.67%

TPLGX

• 1D: 1.96%
• 1M: -1.62%
• YTD: 1.91%
• 6M: 1.63%
• 1Y: 18.25%
• 3Y*: 22.52%
• 5Y*: 10.05%
• 10Y*: 16.54%

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

TCBIX vs. TPLGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TCBIX The Covered Bridge Fund	7.98%	12.61%	4.09%	4.09%	0.05%	18.21%	-1.71%	18.73%	-3.93%	9.66%
TPLGX T. Rowe Price Institutional Large Cap Core Growth Fund	1.91%	18.66%	35.22%	49.63%	-38.49%	17.84%	34.70%	30.15%	2.18%	36.49%

Correlation

The correlation between TCBIX and TPLGX is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.26
Correlation (3Y) Calculated over the trailing 3-year period	0.27
Correlation (5Y) Calculated over the trailing 5-year period	0.47
Correlation (10Y) Calculated over the trailing 10-year period	0.49
Correlation (All Time) Calculated using the full available price history since Oct 3, 2013	0.55

Over the past year, the correlation between TCBIX and TPLGX has dropped to 0.26 - well below their long-term average of 0.55, suggesting their price drivers have been diverging.

Return for Risk

TCBIX vs. TPLGX — Risk / Return Rank

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

TCBIX

TCBIX Risk / Return Rank: 62
TCBIX Sharpe Ratio Rank: 55
TCBIX Sortino Ratio Rank: 62
TCBIX Omega Ratio Rank: 53
TCBIX Calmar Ratio Rank: 78
TCBIX Martin Ratio Rank: 61

TPLGX

TPLGX Risk / Return Rank: 14
TPLGX Sharpe Ratio Rank: 17
TPLGX Sortino Ratio Rank: 16
TPLGX Omega Ratio Rank: 15
TPLGX Calmar Ratio Rank: 12
TPLGX 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.

TCBIX vs. TPLGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for The Covered Bridge Fund (TCBIX) and T. Rowe Price Institutional Large Cap Core Growth Fund (TPLGX). 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.

	TCBIX	TPLGX	Difference
Sharpe ratio: Return per unit of total volatility	2.01	1.08	+0.94
Sortino ratio: Return per unit of downside risk	3.02	1.54	+1.47
Omega ratio: Gain probability vs. loss probability	1.36	1.19	+0.17
Calmar ratio: Return relative to maximum drawdown	3.35	1.04	+2.31
Martin ratio: Return relative to average drawdown	11.33	3.38	+7.95

TCBIX vs. TPLGX - Sharpe Ratio Comparison

The current TCBIX Sharpe Ratio is 2.01, which is higher than the TPLGX Sharpe Ratio of 1.08. The chart below compares the historical Sharpe Ratios of TCBIX and TPLGX, 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

TCBIX vs. TPLGX - Drawdown Comparison

The maximum TCBIX drawdown since its inception was -28.94%, smaller than the maximum TPLGX drawdown of -54.57%. Use the drawdown chart below to compare losses from any high point for TCBIX and TPLGX.

Drawdown Indicators

	TCBIX	TPLGX	Difference
Max Drawdown Largest peak-to-trough decline	-28.94%	-54.57%	+25.63%
Max Drawdown (1Y) Largest decline over 1 year	-5.26%	-17.15%	+11.89%
Max Drawdown (3Y) Largest decline over 3 years	-12.73%	-28.23%	+15.50%
Max Drawdown (5Y) Largest decline over 5 years	-17.07%	-43.45%	+26.38%
Max Drawdown (10Y) Largest decline over 10 years	-28.94%	-43.45%	+14.51%
Current Drawdown Current decline from peak	-2.76%	-4.05%	+1.29%
Average Drawdown Average peak-to-trough decline	-3.47%	-8.66%	+5.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.55%	5.24%	-3.69%

Volatility

TCBIX vs. TPLGX - Volatility Comparison

The current volatility for The Covered Bridge Fund (TCBIX) is 2.83%, while T. Rowe Price Institutional Large Cap Core Growth Fund (TPLGX) has a volatility of 6.42%. This indicates that TCBIX experiences smaller price fluctuations and is considered to be less risky than TPLGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TCBIX	TPLGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.83%	6.42%	-3.59%
Volatility (6M) Calculated over the trailing 6-month period	6.12%	13.26%	-7.14%
Volatility (1Y) Calculated over the trailing 1-year period	8.74%	16.49%	-7.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.18%	24.41%	-12.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.56%	22.96%	-9.40%

TCBIX vs. TPLGX - Expense Ratio Comparison

TCBIX has a 1.40% expense ratio, which is higher than TPLGX's 0.57% expense ratio.

Dividends

TCBIX vs. TPLGX - Dividend Comparison

TCBIX's dividend yield for the trailing twelve months is around 8.20%, less than TPLGX's 19.92% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TCBIX The Covered Bridge Fund	8.20%	8.24%	7.47%	7.34%	8.09%	6.00%	4.70%	6.77%	11.55%	7.32%	7.32%	5.36%
TPLGX T. Rowe Price Institutional Large Cap Core Growth Fund	19.92%	20.30%	12.87%	3.70%	4.39%	8.81%	0.59%	0.60%	1.65%	1.39%	0.25%	0.44%

Frequently Asked Questions

Can I hold both TCBIX and TPLGX in my portfolio?

TCBIX and TPLGX have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TCBIX or TPLGX?

TPLGX has higher volatility (6.42%) compared to TCBIX (2.83%). In terms of maximum drawdown, TCBIX dropped -28.94% vs TPLGX's -54.57%.

Which has better risk-adjusted returns?

TCBIX currently has the higher Sharpe Ratio (2.01 vs 1.08), 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.