Registry rank 242 · Portfolio as of 2026-03-31

VANGUARD MEGA CAP GROWTH INDEX FUND

MGK · VMGAX

Best-fit active share22.6%vs IWF · fund as of 2026-03-31 · proxy as of 2026-03-31

Declared-benchmark active shareNot filed yetNo mapped declared benchmark

MGK expense ratio0.05%SEC expense filing · as of 2025-09-30

MGK fee per active unit0.22%expense as of 2025-09-30; 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 filing	10 years	20 years	30 years
MGK0.05% · SEC expense filing · as of 2025-09-30	$774	$2,516	$6,132
VMGAX0.05% · SEC expense filing · as of 2025-09-30	$774	$2,516	$6,132

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

Change the illustration

Share classStarting amount ($)YearsAnnual return (%)

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. MGK SEC expense filing, as of 2025-09-30. Methodology.

Illustration for MGK; expense ratio filed as of 2025-09-30.
Result	Amount
Ending value at baseline	$265,330
Ending value at filed expense ratio	$262,814
Difference attributed to fee drag	$2,516

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

Largest active differences vs IWF

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.

ALPHABET INC.+3.48%

COSTCO WHOLESALE CORPORATION-1.60%

ABBVIE INC.-1.39%

GENERAL ELECTRIC COMPANY-1.07%

APPLE INC.+0.97%

THE HOME DEPOT, INC.-0.90%

NVIDIA CORPORATION+0.83%

ADVANCED MICRO DEVICES, INC.+0.81%

Welltower Inc+0.74%

META PLATFORMS, INC.+0.72%

Holding	Fund	IWF	Difference
ALPHABET INC.	9.90%	6.42%	+3.48%
COSTCO WHOLESALE CORPORATION	0.00%	1.60%	-1.60%
ABBVIE INC.	0.00%	1.39%	-1.39%
GENERAL ELECTRIC COMPANY	0.00%	1.07%	-1.07%
APPLE INC.	12.62%	11.66%	+0.97%
THE HOME DEPOT, INC.	0.00%	0.90%	-0.90%
NVIDIA CORPORATION	13.78%	12.95%	+0.83%
ADVANCED MICRO DEVICES, INC.	1.50%	0.69%	+0.81%
Welltower Inc	0.74%	0.00%	+0.74%
META PLATFORMS, INC.	4.18%	3.46%	+0.72%

Source and verification

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

SEC expense filing · period 2025-09-30

Immutable verification record · Active-share method