Which returned more over the last year, AGG or MGK?

In the year to Sep 12, 2026, with distributions reinvested, AGG returned −0.7% and MGK returned +14.9%, so MGK returned more. One year is one year; the longer windows are in the table.

Which is cheaper, AGG or MGK?

AGG charges 0.03% a year and MGK charges 0.07%, so AGG is cheaper. Fees come from each fund's prospectus.

Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

AGG vs MGK: how they differ

AGG is a bond index fund and MGK an equity index fund, and over the year MGK returned more, +14.9% against −0.7%.

iShares Core U.S. Aggregate Bond ETF and Vanguard Mega Cap Growth Index Fund.

AGG and MGK on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	AGG iShares Core U.S. Aggregate Bond ETF	MGK Vanguard Mega Cap Growth Index Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	Vanguard
What it is	US aggregate bonds	Mega Cap Growth
Total return, 1 year	−0.7%	+14.9%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−18.2 pts	−2.6 pts
Expense ratio	0.03%	0.07%
Holdings	not filed	56

AGG in plain words

AGG is a bond fund tracking the US aggregate bonds. Over the year to Sep 11, 2026 it returned −0.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. It sat 3.7% below its high of Aug 4, 2020 on Sep 11, 2026.

MGK in plain words

MGK is an index equity fund tracking the Mega Cap Growth. Over the year to Sep 11, 2026 it returned +14.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.07% a year. By its holdings filed for Jun 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 56 positions, with the top ten at 63.8%.

Questions people ask

Which returned more over the last year, AGG or MGK?: In the year to Sep 12, 2026, with distributions reinvested, AGG returned −0.7% and MGK returned +14.9%, so MGK returned more. One year is one year; the longer windows are in the table.
Which is cheaper, AGG or MGK?: AGG charges 0.03% a year and MGK charges 0.07%, so AGG is cheaper. Fees come from each fund's prospectus.

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Where these figures came from

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AGG against MGK, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, AGG against MGK, data as of Sep 12, 2026. https://etfiq.com/compare/any/AGG-MGK Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources