Registry rank 121 · Portfolio as of 2026-04-30

Fidelity Mid Cap Index Fund

FSMDX

Best-fit active share67.8%vs IWD · fund as of 2026-04-30 · proxy as of 2026-03-31
Declared-benchmark active shareNot filed yetNo mapped declared benchmark
FSMDX expense ratio0.03%SEC expense filing · as of 2026-06-30
FSMDX fee per active unit0.04%expense as of 2026-06-30; fund as of 2026-04-30; proxy as of 2026-03-31

Filed fees in dollars

Assumptions for each dollar figure: $100,000 starting amount · 5.0% annual return · annual compounding · fees deducted annually · 0.00% computed index-control baseline. Methodology.

Illustrated difference between each class’s filed expense ratio and the computed index-control baseline.
Share class and filing10 years20 years30 years
FSMDX0.03% · SEC expense filing · as of 2026-06-30$465$1,512$3,689

These figures are illustrations, not predictions or personalized advice. Returns and fees can differ. Read the research disclaimer.

Change the illustration

Assumptions for the dollar figures below: $100,000 starting amount; 5.0% annual return; 20 years; annual compounding; fees deducted annually; 0.00% computed index-control baseline. FSMDX SEC expense filing, as of 2026-06-30. Methodology.

Illustration for FSMDX; expense ratio filed as of 2026-06-30.
ResultAmount
Ending value at baseline$265,330
Ending value at filed expense ratio$263,818
Difference attributed to fee drag$1,512

This is an illustration, not a prediction or personalized advice. Returns and fees can differ. Read the research disclaimer.

Largest active differences vs IWD

The bars are labeled and repeated in the table; color is not the only signal. Linked company names open Buy Like Buffett’s company record; Sensible Investor does not score stocks.

BERKSHIRE HATHAWAY INC.-2.92%
THE PROCTER & GAMBLE COMPANY-1.12%
HoldingFundIWDDifference
ALPHABET INC.0.00%3.55%-3.55%
BERKSHIRE HATHAWAY INC.0.00%2.92%-2.92%
JPMORGAN CHASE & CO.0.00%2.64%-2.64%
EXXON MOBIL CORPORATION0.00%2.36%-2.36%
JOHNSON & JOHNSON0.00%1.94%-1.94%
AMAZON.COM, INC.0.00%1.81%-1.81%
WALMART INC.0.00%1.61%-1.61%
CHEVRON CORPORATION0.00%1.28%-1.28%
MICRON TECHNOLOGY, INC.0.00%1.25%-1.25%
THE PROCTER & GAMBLE COMPANY0.00%1.12%-1.12%

Source and verification

SEC N-PORT filing · filed 2026-06-26 · period 2026-04-30

SEC expense filing · period 2026-06-30

Immutable verification record · Active-share method