FNKFX Performance — Fidelity Mid-Cap Stock K6 Fund

Data updated: 2026-09-23

FNKFX returned +14.72% year to date and +21.47% over one year to Jul 2026. Annualised returns are +14.37% over 3 years and +10.40% over 5 years. The fund beat its US Mid-Cap Blend category average: $100 invested three years ago grew to $150, against $144 for the category, and to $121 over one year, against $119. Volatility over the past three years was 15.41% a year. In the 12 months to Jul 2026 the fund took in a net $125.3M, and assets reached $1.45B.

FNKFX Growth of $100

What $100 invested in Fidelity Mid-Cap Stock K6 Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Blend category average over the same months.

PeriodFNKFXCategory average
1 year (Aug 2025 – Jul 2026)$121$119
3 years (Aug 2023 – Jul 2026)$150$144
5 years (Aug 2021 – Jul 2026)$164$145
Since data start (Aug 2019 – Jul 2026)$230$204

FNKFX Trailing Returns

Total returns to Jul 2026, from SEC N-PORT.

PeriodTotal return
YTD+14.72%
1 year+21.47%
3 years (annualised)+14.37%
5 years (annualised)+10.40%

FNKFX Annual Returns

Calendar-year total returns of Fidelity Mid-Cap Stock K6 Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jul)+14.72%
2025+11.07%
2024+14.62%
2023+11.56%
2022−5.93%
2021+27.11%
2020+11.27%
2019 (Aug–Dec)+6.21%

FNKFX Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+3.5%+5.9%−4.8%+8.4%+2.4%+3.4%−4.2%—————
2025+4.6%−4.8%−5.5%−0.5%+5.7%+4.2%+1.8%+2.2%+1.2%−0.1%+2.4%+0.1%
2024−0.5%+5.1%+4.2%−5.5%+3.5%−2.6%+5.8%+2.0%+2.1%−1.0%+8.9%−7.2%
2023+7.2%−2.6%−2.8%+0.4%−5.0%+7.9%+4.1%−2.4%−3.9%−5.4%+7.8%+7.1%
2022−3.9%+2.3%+2.0%−5.9%+2.0%−9.8%+8.9%−2.2%−7.5%+10.0%+4.9%−4.5%
2021−0.3%+7.8%+5.8%+4.6%+1.9%−2.0%+0.1%+2.3%−2.8%+4.9%−3.5%+6.3%
2020−1.1%−8.2%−21.5%+13.7%+5.5%+1.3%+5.3%+3.5%−2.4%+0.7%+13.7%+5.4%
2019———————−2.2%+1.7%+1.7%+3.2%+1.8%

FNKFX Risk

Risk measures from monthly returns over Aug 2023 – Jul 2026.

  • 3-year volatility (annualised): 15.41%
  • 3-year Sharpe ratio: 0.64 (vs 4.5% risk-free rate)
  • Best month: +8.90% (Nov 2024)
  • Worst month: −7.22% (Dec 2024)

FNKFX Fund Flows

Monthly money in and out of Fidelity Mid-Cap Stock K6 Fund, from SEC Form N-PORT.

  • 12-month net flow: $125.3M
  • 12-month gross sales (incl. reinvestments): $360.6M
  • Sales ÷ redemptions: 1.53×
MonthSalesRedemptionsNet flow
Jul 2026$44.9M$25.9M$19.0M
Jun 2026$89.0M$25.1M$63.9M
May 2026$22.7M$18.4M$4.3M
Apr 2026$42.4M$14.3M$28.1M
Mar 2026$19.9M$20.7M−$791K
Feb 2026$21.2M$18.3M$2.8M
Jan 2026$21.5M$24.1M−$2.6M
Dec 2025$18.4M$17.4M$989K
Nov 2025$58.2M$16.5M$41.7M
Oct 2025$6.7M$19.2M−$12.5M
Sep 2025$8.5M$16.7M−$8.2M
Aug 2025$7.3M$18.8M−$11.5M

FNKFX Assets Under Management

Net assets of Fidelity Mid-Cap Stock K6 Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-07-31$1.45B
2026-04-30$1.39B
2026-01-31$1.24B
2025-10-31$1.14B
2025-07-31$1.13B
2025-04-30$1.02B
2025-01-31$1.17B
2024-10-31$1.02B
2024-07-31$1.01B
2024-04-30$940.86M
2024-01-31$905.06M
2023-10-31$837.31M

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.