FGRTX vs. TCAI

Last updated Jun 9, 2026

FGRTX (Fidelity Mega Cap Stock Fund) and TCAI (Tortoise AI Infrastructure ETF) are both funds - FGRTX is a Large Cap Blend Equities fund actively managed by Fidelity, while TCAI is a Technology Equities fund actively managed by Tortoise. Both are actively managed. A 0.66 correlation means they provide meaningful diversification when combined. FGRTX charges 0.58%/yr vs 0.65%/yr for TCAI.

Performance

FGRTX vs. TCAI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Mega Cap Stock Fund (FGRTX) and Tortoise AI Infrastructure ETF (TCAI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FGRTX achieves a 8.13% return, which is significantly lower than TCAI's 74.50% return.

FGRTX

• 1D: -2.11%
• 1M: -0.65%
• YTD: 8.13%
• 6M: 9.72%
• 1Y: 27.40%
• 3Y*: 24.66%
• 5Y*: 15.67%
• 10Y*: 16.16%

TCAI

• 1D: 1.87%
• 1M: 6.30%
• YTD: 74.50%
• 6M: 65.04%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

FGRTX vs. TCAI - Yearly Performance Comparison

	2026 (YTD)	2025
FGRTX Fidelity Mega Cap Stock Fund	8.13%	10.17%
TCAI Tortoise AI Infrastructure ETF	74.50%	17.27%

Correlation

The correlation between FGRTX and TCAI is 0.66, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Aug 5, 2025	0.66

Return for Risk

FGRTX vs. TCAI — Risk / Return Rank

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

FGRTX

FGRTX Risk / Return Rank: 70
FGRTX Sharpe Ratio Rank: 69
FGRTX Sortino Ratio Rank: 63
FGRTX Omega Ratio Rank: 63
FGRTX Calmar Ratio Rank: 73
FGRTX Martin Ratio Rank: 81

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.

FGRTX vs. TCAI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Mega Cap Stock Fund (FGRTX) and Tortoise AI Infrastructure ETF (TCAI). 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.

	FGRTX	TCAI	Difference
Sharpe ratio: Return per unit of total volatility	2.35	—	—
Sortino ratio: Return per unit of downside risk	3.21	—	—
Omega ratio: Gain probability vs. loss probability	1.42	—	—
Calmar ratio: Return relative to maximum drawdown	3.20	—	—
Martin ratio: Return relative to average drawdown	14.48	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	FGRTX	TCAI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.35	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.94	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.89	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	3.72	-3.25

Drawdowns

FGRTX vs. TCAI - Drawdown Comparison

The maximum FGRTX drawdown since its inception was -56.17%, which is greater than TCAI's maximum drawdown of -15.80%. Use the drawdown chart below to compare losses from any high point for FGRTX and TCAI.

Drawdown Indicators

	FGRTX	TCAI	Difference
Max Drawdown Largest peak-to-trough decline	-56.17%	-15.80%	-40.37%
Max Drawdown (1Y) Largest decline over 1 year	-8.99%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-18.51%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-23.35%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-35.18%	—	—
Current Drawdown Current decline from peak	-2.45%	-8.22%	+5.77%
Average Drawdown Average peak-to-trough decline	-8.72%	-3.48%	-5.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.98%	—	—

Volatility

Volatility by Period

	FGRTX	TCAI	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.39%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.38%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	12.25%	36.74%	-24.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.73%	36.74%	-20.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.13%	36.74%	-18.61%

FGRTX vs. TCAI - Expense Ratio Comparison

FGRTX has a 0.58% expense ratio, which is lower than TCAI's 0.65% expense ratio.

Dividends

FGRTX vs. TCAI - Dividend Comparison

FGRTX's dividend yield for the trailing twelve months is around 3.60%, more than TCAI's 0.03% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FGRTX Fidelity Mega Cap Stock Fund	3.60%	3.89%	2.68%	2.06%	4.38%	4.79%	7.96%	12.98%	21.72%	15.57%	1.97%	4.16%
TCAI Tortoise AI Infrastructure ETF	0.03%	0.05%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FGRTX and TCAI in my portfolio?

FGRTX and TCAI have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.