Sensible Investor

Registry rank 2 · Portfolio as of 2026-03-31

VANGUARD 500 INDEX FUND

VFFSX · VFIAX · VFINX · VOO

Best-fit active share0.2%vs IVV · fund as of 2026-03-31 · proxy as of 2026-03-31
Declared-benchmark active shareNot filed yetNo mapped declared benchmark
VFFSX expense ratio0.01%SEC expense filing · as of 2025-12-31
VFFSX fee per active unitNot meaningful — index-tracking portfolio (active share under 5%)expense as of 2025-12-31; fund as of 2026-03-31; 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
VFFSX0.01% · SEC expense filing · as of 2025-12-31$155$505$1,233
VFIAX0.04% · SEC expense filing · as of 2025-12-31$619$2,014$4,912
VFINX0.14% · SEC expense filing · as of 2025-12-31$2,159$6,987$16,958
VOO0.03% · SEC expense filing · as of 2025-12-31$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. VFFSX SEC expense filing, as of 2025-12-31. Methodology.

Illustration for VFFSX; expense ratio filed as of 2025-12-31.
ResultAmount
Ending value at baseline$265,330
Ending value at filed expense ratio$264,825
Difference attributed to fee drag$505

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

Largest active differences vs IVV

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.

JPMorgan Chase & Co.-0.08%
Goldman Sachs Group, Inc. (The)-0.02%
Bank of America Corp.-0.02%
Visa, Inc.-0.02%
NVIDIA Corp.+0.01%
Citigroup, Inc.-0.01%
Apple, Inc.+0.01%
Alphabet, Inc.+0.01%
Microsoft Corp.+0.01%
Amazon.com, Inc.+0.01%
HoldingFundIVVDifference
JPMorgan Chase & Co.1.34%1.42%-0.08%
Goldman Sachs Group, Inc. (The)0.43%0.45%-0.02%
Bank of America Corp.0.56%0.58%-0.02%
Visa, Inc.0.89%0.91%-0.02%
NVIDIA Corp.7.59%7.58%+0.01%
Citigroup, Inc.0.34%0.35%-0.01%
Apple, Inc.6.68%6.67%+0.01%
Alphabet, Inc.5.40%5.40%+0.01%
Microsoft Corp.4.93%4.92%+0.01%
Amazon.com, Inc.3.65%3.64%+0.01%

Source and verification

SEC N-PORT filing · filed 2026-05-28 · period 2026-03-31

SEC expense filing · period 2025-12-31

Immutable verification record · Active-share method