BROUGHT TO YOU BY:

ETF Portfolio Builder

New

ETF Portfolio Builder

New

MGCvsOEFETF Comparison

ETF 1

MGC

Vanguard Morningstar Mega Cap ETF

This fund is part of

US Large Cap

+0.31%

Full MGC fund page

VS

ETF 2

OEF

iShares S&P 100 ETF

This fund is part of

US Large Cap

+0.31%

Full OEF fund page

Vanguard Morningstar Mega Cap ETF (MGC) and iShares S&P 100 ETF (OEF) belong to the same industry segment: US Large Cap. Both ETFs have the same top 3 sector exposures: Technology, Finance and Consumer Non-Cyclicals. MGC is less expensive with a Total Expense Ratio (TER) of 0.05%, versus 0.2% for OEF. MGC is up 14.07% year-to-date (YTD) with -$668M in YTD flows. OEF performs worse with 12.72% YTD performance, and -$10.28B in YTD flows. Run a side-by-side ETF comparison of MGC and OEF below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

Find out how industry players manage ETF portfolios. Discover our library of Model portfolios

MGC vs OEF performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 10/28/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MGC OEF	+0.35%+0.23%	+5.58%+5.62%	+14.07%+12.72%	+13.39%+11.69%	+98.12%+101.15%	+85.94%+92.36%
Flows	MGC OEF	+$15M+$57M	-$42M-$216M	-$668M-$10.28B	+$227M-$10.06B	+$2.02B-$107M	+$2.09B+$2.21B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MGC OEF	+11.92%+12.05%	+13.39%+13.74%	+15.45%+16.02%	+17.49%+17.91%
Max drawdown	MGC OEF	-3.02%-3.16%	-9.86%-10.96%	-19.36%-19.77%	-25.79%-26.44%
Max drawdown duration	MGC OEF	22d21d	92d169d	126d126d	707d696d

Trading data

Create an account to view trading data

Join for free

	MGC	OEF
Last sale 10/29/2026 at 1:30 PM	$282.45	$380.97
Previous close 10/28/2026	$284.29	$384.24
Consolidated volume 10/28/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of September 30, 2026

1-year trailing difference

Create an account to view replication metrics

Join for free

Create an account to view replication quality

Join for free

	MGC	OEF
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/29/2026 at 1:30 PM

Live

Closed

	MGC	OEF
Last price	$282.45	$380.97
1D performance	-0.65%	-0.85%
AuM	$10.36 B	$20.61 B
E/R	0.05%	0.2%

Characteristics

	MGC	OEF
Management strategy	Passive	Passive
Provider	Vanguard	iShares
Benchmark	CRSP U.S. Mega Cap Index	S&P 100 Index
N° of holdings	170	101
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	December 17, 2007	October 23, 2000
ESG	No	No

More MGC data on Trackinsight

More OEF data on Trackinsight

Exposure

Countries

MGC

USA

97.86%

Other

2.14%

OEF

USA

98.97%

Other

1.03%

Sectors

MGC

Technology

51.31%

Finance

12.2%

Consumer Non-Cycl.

9.41%

Healthcare

9.19%

Other

17.9%

OEF

Technology

53.61%

Finance

11.34%

Consumer Non-Cycl.

10.35%

Healthcare

8.84%

Other

15.86%

Diversification

MGC

Total weight of top 15 holdings out of 15

53.2%

OEF

Total weight of top 15 holdings out of 15

60.88%

Top 15 holdings

Data as of August 31, 2026

MGC

NVIDIA Corp.

9.33%

Apple, Inc.

8.55%

Microsoft Corp.

6.93%

Amazon.com, Inc.

4.62%

Alphabet, Inc.

3.66%

Broadcom Inc.

3.22%

Alphabet, Inc.

2.87%

Meta Platforms, Inc.

2.31%

Micron Technology, Inc.

1.99%

Tesla, Inc.

1.91%

Eli Lilly & Co.

1.80%

JPMorgan Chase & Co.

1.75%

Berkshire Hathaway, Inc.

1.61%

Advanced Micro Devices, Inc.

1.41%

ExxonMobil Holdings Corp.

1.23%

OEF

NVIDIA Corp.

11.13%

Apple, Inc.

9.69%

Microsoft Corp.

7.85%

Amazon.com, Inc.

5.29%

Alphabet, Inc.

4.14%

Broadcom Inc.

3.65%

Alphabet, Inc.

3.30%

Meta Platforms, Inc.

2.62%

Micron Technology, Inc.

2.25%

Tesla, Inc.

2.16%

JPMorgan Chase & Co.

1.99%

Berkshire Hathaway, Inc.

1.92%

Eli Lilly & Co.

1.91%

Advanced Micro Devices, Inc.

1.60%

ExxonMobil Holdings Corp.

1.39%

Frequently asked questions about MGC and OEF

How have the MGC and OEF ETFs performed in 2026?

As of October 28, 2026, MGC is up 14.07% year-to-date (YTD), while OEF has returned 12.72%. That puts MGC better performer ahead so far this year.

Which ETF is attracting more investor money: MGC or OEF?

Year-to-date, the MGC ETF saw -$668M in flows, compared to -$10.28B for OEF.

Which ETF is more volatile: MGC or OEF?

Over the past year, MGC had a volatility of 13.39%, while OEF experienced 13.74%.

Which ETF is bigger: MGC or OEF?

As of October 28, 2026, MGC holds $10.36 B in assets under management (AUM), while OEF manages $20.61 B.

What sectors do the MGC and OEF ETFs invest in?

MGC leans toward sectors like Technology, Finance and Consumer Non-Cyclicals. Meanwhile, OEF focuses on Technology, Finance and Consumer Non-Cyclicals.

MGCvsOEFETF Comparison

Vanguard Morningstar Mega Cap ETF

iShares S&P 100 ETF

MGC vs OEF performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the MGC and OEF ETFs performed in 2026?

As of October 28, 2026, MGC is up 14.07% year-to-date (YTD), while OEF has returned 12.72%. That puts MGC better performer ahead so far this year.

Which ETF is attracting more investor money: MGC or OEF?

Year-to-date, the MGC ETF saw -$668M in flows, compared to -$10.28B for OEF.

Which ETF is more volatile: MGC or OEF?

Over the past year, MGC had a volatility of 13.39%, while OEF experienced 13.74%.

Which ETF is bigger: MGC or OEF?

As of October 28, 2026, MGC holds $10.36 B in assets under management (AUM), while OEF manages $20.61 B.

What sectors do the MGC and OEF ETFs invest in?

MGC leans toward sectors like Technology, Finance and Consumer Non-Cyclicals. Meanwhile, OEF focuses on Technology, Finance and Consumer Non-Cyclicals.

What are the top holdings of the MGC ETF and OEF ETF?

MGC top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. OEF holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..

Which ETF is more diversified: MGC or OEF?

MGC holds 172 securities with 53.2% of its assets in the top 15. OEF has 102 securities and a top 15 weight of 60.88%.

MoneyShow Chart of the Day 10/21/2025: THESE Sectors Should Drive Q3 Profit Growth

MoneyShow Chart of the Day 10/16/2025: The BEST "Gold" Chart You Haven't Seen

MoneyShow Chart of the Day 8/27/2025: The Smaller They are, The Harder They Rally

3 ETFs that Beat the S&P 500 in 2024

ETFs for Exposure to the "Magnificent Seven" Stocks

ETFs for Exposure to the "Magnificent Seven" Stocks

ETFs’ Next Act: From Access to Selection