FNCMX vs. FBGKX

Last updated Jul 31, 2026

FNCMX (Fidelity NASDAQ Composite Index Fund) and FBGKX (Fidelity Blue Chip Growth Fund Class K) are both Large Cap Growth Equities funds from Fidelity. FNCMX is passively managed, while FBGKX is actively managed. Over the past 10 years, FNCMX returned 17.71%/yr vs 20.31%/yr for FBGKX. Their 0.97 correlation means they have historically moved very closely together. FNCMX charges 0.29%/yr vs 0.54%/yr for FBGKX.

Performance

FNCMX vs. FBGKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity NASDAQ Composite Index Fund (FNCMX) and Fidelity Blue Chip Growth Fund Class K (FBGKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FNCMX achieves a 5.49% return, which is significantly lower than FBGKX's 6.84% return. Over the past 10 years, FNCMX has underperformed FBGKX with an annualized return of 17.71%, while FBGKX has yielded a comparatively higher 20.31% annualized return.

FNCMX

• 1D: -1.75%
• 1M: -6.77%
• 6M: 3.51%
• YTD: 5.49%
• 1Y: 16.35%
• 3Y*: 20.43%
• 5Y*: 11.67%
• 10Y*: 17.71%
• ALL TIME*: 11.80%

FBGKX

• 1D: -2.13%
• 1M: -9.02%
• 6M: 5.66%
• YTD: 6.84%
• 1Y: 18.19%
• 3Y*: 24.19%
• 5Y*: 12.89%
• 10Y*: 20.31%
• ALL TIME*: 15.51%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FBGKX Fidelity Blue Chip Growth Fund Class K	$0.00	$0.00	$0.00
FNCMX Fidelity NASDAQ Composite Index Fund	$0.00	$0.00	$0.00

FNCMX vs. FBGKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FNCMX Fidelity NASDAQ Composite Index Fund	5.49%	21.11%	29.48%	45.13%	-32.40%	22.21%	44.57%	36.63%	-3.07%	28.35%
FBGKX Fidelity Blue Chip Growth Fund Class K	6.84%	19.99%	39.87%	55.76%	-38.40%	22.74%	62.35%	33.56%	1.11%	36.08%

Correlation

The correlation between FNCMX and FBGKX is 0.97 - they have historically moved very closely together. At this level, their price movements offset little of one another.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.97
Correlation (3Y) Balances recent behavior with more history.	0.97
Correlation (5Y) Shows whether the relationship held over a longer period.	0.98
Correlation (10Y) Provides a long-term view across more market conditions.	0.98
Correlation (All Time) Calculated using the full available price history since May 15, 2008	0.97

The correlation between FNCMX and FBGKX has been stable across timeframes, ranging from 0.97 to 0.98 - a consistent structural relationship.

Return for Risk

FNCMX vs. FBGKX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

FNCMX

FNCMX Risk / Return Rank: 25
FNCMX Sharpe Ratio Rank: 24
FNCMX Sortino Ratio Rank: 23
FNCMX Omega Ratio Rank: 23
FNCMX Calmar Ratio Rank: 26
FNCMX Martin Ratio Rank: 28

FBGKX

FBGKX Risk / Return Rank: 29
FBGKX Sharpe Ratio Rank: 26
FBGKX Sortino Ratio Rank: 26
FBGKX Omega Ratio Rank: 25
FBGKX Calmar Ratio Rank: 33
FBGKX Martin Ratio Rank: 36

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

FNCMX vs. FBGKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity NASDAQ Composite Index Fund (FNCMX) and Fidelity Blue Chip Growth Fund Class K (FBGKX). 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.

	FNCMX	FBGKX	Difference
Sharpe ratio: Return per unit of total volatility	0.91	0.96	-0.05
Sortino ratio: Return per unit of downside risk	1.33	1.41	-0.07
Omega ratio: Gain probability vs. loss probability	1.16	1.17	-0.01
Calmar ratio: Return relative to maximum drawdown	1.28	1.51	-0.24
Martin ratio: Return relative to average drawdown	4.31	5.44	-1.13

FNCMX vs. FBGKX - Sharpe Ratio Comparison

The current FNCMX Sharpe Ratio is 0.91, which is comparable to the FBGKX Sharpe Ratio of 0.96. The chart below compares the historical Sharpe Ratios of FNCMX and FBGKX, 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

FNCMX vs. FBGKX - Drawdown Comparison

The maximum FNCMX drawdown since its inception was -55.08%, which is greater than FBGKX's maximum drawdown of -48.90%. Use the drawdown chart below to compare losses from any high point for FNCMX and FBGKX.

Drawdown Indicators

	FNCMX	FBGKX	Difference
Max Drawdown Largest peak-to-trough decline	-55.08%	-48.90%	-6.18%
Max Drawdown (1Y) Largest decline over 1 year	-13.01%	-12.63%	-0.38%
Max Drawdown (3Y) Largest decline over 3 years	-24.20%	-27.06%	+2.86%
Max Drawdown (5Y) Largest decline over 5 years	-35.64%	-43.03%	+7.39%
Max Drawdown (10Y) Largest decline over 10 years	-35.64%	-43.03%	+7.39%
Current Drawdown Current decline from peak	-9.70%	-10.59%	+0.89%
Average Drawdown Average peak-to-trough decline	-7.84%	-8.32%	+0.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.85%	3.50%	+0.35%

Volatility

FNCMX vs. FBGKX - Volatility Comparison

The current volatility for Fidelity NASDAQ Composite Index Fund (FNCMX) is 5.07%, while Fidelity Blue Chip Growth Fund Class K (FBGKX) has a volatility of 5.94%. This indicates that FNCMX experiences smaller price fluctuations and is considered to be less risky than FBGKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FNCMX	FBGKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.07%	5.94%	-0.87%
Volatility (6M) Calculated over the trailing 6-month period	14.45%	15.81%	-1.36%
Volatility (1Y) Calculated over the trailing 1-year period	18.23%	19.87%	-1.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.76%	25.20%	-2.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.14%	23.81%	-1.67%

FNCMX vs. FBGKX - Expense Ratio Comparison

FNCMX has a 0.29% expense ratio, which is lower than FBGKX's 0.54% expense ratio.

Dividends

FNCMX vs. FBGKX - Dividend Comparison

FNCMX's dividend yield for the trailing twelve months is around 0.49%, less than FBGKX's 1.77% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBGKX Fidelity Blue Chip Growth Fund Class K	1.77%	1.89%	6.00%	0.93%	0.56%	8.77%	6.41%	3.70%	6.41%	4.26%	4.22%	5.36%
FNCMX Fidelity NASDAQ Composite Index Fund	0.49%	0.51%	0.61%	0.67%	0.88%	0.47%	0.67%	4.41%	1.93%	0.03%	1.01%	1.50%

Frequently Asked Questions

Can I hold both FNCMX and FBGKX in my portfolio?

With a correlation of 0.97, FNCMX and FBGKX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, FNCMX or FBGKX?

FBGKX has higher volatility (5.94%) compared to FNCMX (5.07%). In terms of maximum drawdown, FNCMX dropped -55.08% vs FBGKX's -48.90%.

Which has better risk-adjusted returns?

FBGKX currently has the higher Sharpe Ratio (0.96 vs 0.91), 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.