FISCX vs. MGTIX

Last updated Jun 4, 2026

FISCX (Franklin Convertible Securities Fund) and MGTIX (MFS Massachusetts Investors Growth Stock Fund) are both mutual funds - FISCX is a Convertible Bonds fund managed by Franklin Templeton, while MGTIX is a Large Cap Growth Equities fund managed by MFS. Over the past 10 years, FISCX returned 12.37%/yr vs 14.88%/yr for MGTIX. Their correlation of 0.83 suggests significant overlap in exposure. FISCX charges 0.83%/yr vs 0.45%/yr for MGTIX.

Performance

FISCX vs. MGTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Franklin Convertible Securities Fund (FISCX) and MFS Massachusetts Investors Growth Stock Fund (MGTIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FISCX achieves a 11.36% return, which is significantly higher than MGTIX's -0.23% return. Over the past 10 years, FISCX has underperformed MGTIX with an annualized return of 12.37%, while MGTIX has yielded a comparatively higher 14.88% annualized return.

FISCX

• 1D: 0.92%
• 1M: 5.98%
• YTD: 11.36%
• 6M: 11.31%
• 1Y: 25.06%
• 3Y*: 16.62%
• 5Y*: 4.76%
• 10Y*: 12.37%

MGTIX

• 1D: -0.62%
• 1M: 3.17%
• YTD: -0.23%
• 6M: 0.26%
• 1Y: 9.98%
• 3Y*: 15.87%
• 5Y*: 10.30%
• 10Y*: 14.88%

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

FISCX vs. MGTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FISCX Franklin Convertible Securities Fund	11.36%	13.63%	16.62%	9.96%	-15.95%	-5.70%	46.28%	33.99%	4.15%	17.98%
MGTIX MFS Massachusetts Investors Growth Stock Fund	-0.23%	10.23%	27.38%	24.40%	-18.99%	26.41%	22.84%	40.17%	1.07%	28.97%

Correlation

The correlation between FISCX and MGTIX is 0.74, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.74
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (10Y) Calculated over the trailing 10-year period	0.78
Correlation (All Time) Calculated using the full available price history since Jan 2, 1997	0.83

The correlation between FISCX and MGTIX has been stable across timeframes, ranging from 0.74 to 0.83 - a consistent structural relationship.

Return for Risk

FISCX vs. MGTIX — Risk / Return Rank

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

FISCX

FISCX Risk / Return Rank: 74
FISCX Sharpe Ratio Rank: 71
FISCX Sortino Ratio Rank: 65
FISCX Omega Ratio Rank: 62
FISCX Calmar Ratio Rank: 85
FISCX Martin Ratio Rank: 86

MGTIX

MGTIX Risk / Return Rank: 10
MGTIX Sharpe Ratio Rank: 11
MGTIX Sortino Ratio Rank: 10
MGTIX Omega Ratio Rank: 10
MGTIX Calmar Ratio Rank: 8
MGTIX Martin Ratio Rank: 9

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.

FISCX vs. MGTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Franklin Convertible Securities Fund (FISCX) and MFS Massachusetts Investors Growth Stock Fund (MGTIX). 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.

	FISCX	MGTIX	Difference
Sharpe ratio: Return per unit of total volatility	2.46	0.85	+1.61
Sortino ratio: Return per unit of downside risk	3.39	1.25	+2.13
Omega ratio: Gain probability vs. loss probability	1.44	1.15	+0.29
Calmar ratio: Return relative to maximum drawdown	4.03	0.79	+3.25
Martin ratio: Return relative to average drawdown	16.49	2.64	+13.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FISCX vs. MGTIX - Sharpe Ratio Comparison

The current FISCX Sharpe Ratio is 2.46, which is higher than the MGTIX Sharpe Ratio of 0.85. The chart below compares the historical Sharpe Ratios of FISCX and MGTIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FISCX	MGTIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.46	0.85	+1.61
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.39	0.59	-0.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.92	0.82	+0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.81	0.49	+0.32

Drawdowns

FISCX vs. MGTIX - Drawdown Comparison

The maximum FISCX drawdown since its inception was -49.16%, smaller than the maximum MGTIX drawdown of -60.05%. Use the drawdown chart below to compare losses from any high point for FISCX and MGTIX.

Drawdown Indicators

	FISCX	MGTIX	Difference
Max Drawdown Largest peak-to-trough decline	-49.16%	-60.05%	+10.89%
Max Drawdown (1Y) Largest decline over 1 year	-6.38%	-13.71%	+7.33%
Max Drawdown (3Y) Largest decline over 3 years	-12.95%	-18.65%	+5.70%
Max Drawdown (5Y) Largest decline over 5 years	-34.37%	-26.52%	-7.85%
Max Drawdown (10Y) Largest decline over 10 years	-34.37%	-32.42%	-1.95%
Current Drawdown Current decline from peak	0.00%	-2.31%	+2.31%
Average Drawdown Average peak-to-trough decline	-6.91%	-17.13%	+10.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.56%	4.08%	-2.52%

Volatility

FISCX vs. MGTIX - Volatility Comparison

The current volatility for Franklin Convertible Securities Fund (FISCX) is 2.88%, while MFS Massachusetts Investors Growth Stock Fund (MGTIX) has a volatility of 3.40%. This indicates that FISCX experiences smaller price fluctuations and is considered to be less risky than MGTIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FISCX	MGTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.88%	3.40%	-0.52%
Volatility (6M) Calculated over the trailing 6-month period	8.47%	9.81%	-1.34%
Volatility (1Y) Calculated over the trailing 1-year period	10.45%	12.65%	-2.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.40%	17.51%	-5.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.48%	18.21%	-4.73%

FISCX vs. MGTIX - Expense Ratio Comparison

FISCX has a 0.83% expense ratio, which is higher than MGTIX's 0.45% expense ratio.

Dividends

FISCX vs. MGTIX - Dividend Comparison

FISCX's dividend yield for the trailing twelve months is around 8.89%, less than MGTIX's 11.10% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FISCX Franklin Convertible Securities Fund	8.89%	9.94%	4.87%	2.22%	8.70%	8.10%	11.30%	16.05%	7.09%	7.68%	4.62%	4.68%
MGTIX MFS Massachusetts Investors Growth Stock Fund	11.10%	11.08%	16.84%	4.17%	4.59%	10.30%	7.43%	7.38%	10.72%	6.83%	5.00%	6.61%

Frequently Asked Questions

Can I hold both FISCX and MGTIX in my portfolio?

FISCX and MGTIX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FISCX or MGTIX?

MGTIX has higher volatility (3.40%) compared to FISCX (2.88%). In terms of maximum drawdown, FISCX dropped -49.16% vs MGTIX's -60.05%.

Which has better risk-adjusted returns?

FISCX currently has the higher Sharpe Ratio (2.46 vs 0.85), 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.