FNKFX vs. LLSCX

Last updated Jun 23, 2026

FNKFX (Fidelity Mid-Cap Stock K6 Fund) and LLSCX (Longleaf Partners Small-Cap Fund) are both Mid Cap Blend Equities funds. Over the past 5 years, FNKFX returned 12.99%/yr vs 1.11%/yr for LLSCX. Their correlation of 0.81 suggests significant overlap in exposure. FNKFX charges 0.52%/yr vs 0.95%/yr for LLSCX.

Performance

FNKFX vs. LLSCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Mid-Cap Stock K6 Fund (FNKFX) and Longleaf Partners Small-Cap Fund (LLSCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FNKFX achieves a 18.14% return, which is significantly higher than LLSCX's -6.53% return.

FNKFX

• 1D: 0.86%
• 1M: 3.14%
• YTD: 18.14%
• 6M: 15.55%
• 1Y: 31.63%
• 3Y*: 20.07%
• 5Y*: 12.99%
• 10Y*: —

LLSCX

• 1D: 0.63%
• 1M: -0.80%
• YTD: -6.53%
• 6M: -6.85%
• 1Y: -3.18%
• 3Y*: 6.81%
• 5Y*: 1.11%
• 10Y*: 5.72%

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

FNKFX vs. LLSCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FNKFX Fidelity Mid-Cap Stock K6 Fund	18.14%	11.07%	21.99%	11.55%	-5.98%	27.16%	11.27%	8.97%
LLSCX Longleaf Partners Small-Cap Fund	-6.53%	7.56%	9.69%	20.17%	-19.25%	11.18%	4.17%	21.01%

Correlation

The correlation between FNKFX and LLSCX is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.73
Correlation (5Y) Calculated over the trailing 5-year period	0.81
Correlation (All Time) Calculated using the full available price history since Jun 13, 2019	0.81

Over the past year, the correlation between FNKFX and LLSCX has dropped to 0.58 - well below their long-term average of 0.81, suggesting their price drivers have been diverging.

Return for Risk

FNKFX vs. LLSCX — Risk / Return Rank

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

FNKFX

FNKFX Risk / Return Rank: 62
FNKFX Sharpe Ratio Rank: 51
FNKFX Sortino Ratio Rank: 50
FNKFX Omega Ratio Rank: 46
FNKFX Calmar Ratio Rank: 84
FNKFX Martin Ratio Rank: 81

LLSCX

LLSCX Risk / Return Rank: 2
LLSCX Sharpe Ratio Rank: 2
LLSCX Sortino Ratio Rank: 2
LLSCX Omega Ratio Rank: 2
LLSCX Calmar Ratio Rank: 2
LLSCX Martin Ratio Rank: 2

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.

FNKFX vs. LLSCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Mid-Cap Stock K6 Fund (FNKFX) and Longleaf Partners Small-Cap Fund (LLSCX). 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.

	FNKFX	LLSCX	Difference
Sharpe ratio: Return per unit of total volatility	1.94	-0.20	+2.14
Sortino ratio: Return per unit of downside risk	2.73	-0.19	+2.92
Omega ratio: Gain probability vs. loss probability	1.34	0.98	+0.36
Calmar ratio: Return relative to maximum drawdown	3.68	-0.23	+3.92
Martin ratio: Return relative to average drawdown	14.10	-0.53	+14.64

FNKFX vs. LLSCX - Sharpe Ratio Comparison

The current FNKFX Sharpe Ratio is 1.94, which is higher than the LLSCX Sharpe Ratio of -0.20. The chart below compares the historical Sharpe Ratios of FNKFX and LLSCX, 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

FNKFX vs. LLSCX - Drawdown Comparison

The maximum FNKFX drawdown since its inception was -41.25%, smaller than the maximum LLSCX drawdown of -63.97%. Use the drawdown chart below to compare losses from any high point for FNKFX and LLSCX.

Drawdown Indicators

	FNKFX	LLSCX	Difference
Max Drawdown Largest peak-to-trough decline	-41.25%	-63.97%	+22.72%
Max Drawdown (1Y) Largest decline over 1 year	-8.67%	-11.30%	+2.63%
Max Drawdown (3Y) Largest decline over 3 years	-21.86%	-15.40%	-6.46%
Max Drawdown (5Y) Largest decline over 5 years	-21.86%	-26.67%	+4.81%
Max Drawdown (10Y) Largest decline over 10 years	—	-42.23%	—
Current Drawdown Current decline from peak	-0.60%	-10.65%	+10.05%
Average Drawdown Average peak-to-trough decline	-4.95%	-8.90%	+3.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.25%	4.95%	-2.70%

Volatility

FNKFX vs. LLSCX - Volatility Comparison

Fidelity Mid-Cap Stock K6 Fund (FNKFX) has a higher volatility of 5.68% compared to Longleaf Partners Small-Cap Fund (LLSCX) at 4.02%. This indicates that FNKFX's price experiences larger fluctuations and is considered to be riskier than LLSCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FNKFX	LLSCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.68%	4.02%	+1.66%
Volatility (6M) Calculated over the trailing 6-month period	13.08%	8.99%	+4.09%
Volatility (1Y) Calculated over the trailing 1-year period	16.43%	13.11%	+3.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.92%	16.98%	+1.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.97%	24.59%	-2.62%

FNKFX vs. LLSCX - Expense Ratio Comparison

FNKFX has a 0.52% expense ratio, which is lower than LLSCX's 0.95% expense ratio.

Dividends

FNKFX vs. LLSCX - Dividend Comparison

FNKFX's dividend yield for the trailing twelve months is around 3.88%, more than LLSCX's 1.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FNKFX Fidelity Mid-Cap Stock K6 Fund	3.88%	0.59%	12.35%	0.99%	2.91%	4.03%	1.45%	0.52%	0.00%	0.00%	0.00%	0.00%
LLSCX Longleaf Partners Small-Cap Fund	1.26%	1.17%	0.11%	0.94%	1.20%	0.82%	5.85%	14.89%	18.13%	8.43%	18.01%	5.91%

Frequently Asked Questions

Can I hold both FNKFX and LLSCX in my portfolio?

FNKFX and LLSCX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FNKFX or LLSCX?

FNKFX has higher volatility (5.68%) compared to LLSCX (4.02%). In terms of maximum drawdown, FNKFX dropped -41.25% vs LLSCX's -63.97%.

Which has better risk-adjusted returns?

FNKFX currently has the higher Sharpe Ratio (1.94 vs -0.20), 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.