What are the main differences in how MGK and VOO are categorised?

MGK is a Vanguard Mega Cap Growth ETF, aiming to track companies that exhibit growth characteristics. Conversely, VOO is an S&P 500 Vanguard ETF, which tracks large blend companies from the S&P 500. This means MGK may have a higher concentration in growth stocks compared to VOO's more balanced large-cap approach. Their expense ratios are 0.05% for MGK and 0.03% for VOO.

Can you explain how the index tracking differs between MGK and VOO?

Both MGK and VOO track specific indices, with MGK focusing on the Vanguard Mega Cap Growth ETF's index and VOO targeting the S&P 500. However, it is important to note that the index tracking data for both funds is currently not available, which can impact how investors assess their ability to mirror their target benchmarks.

How do the dividend yields of MGK and VOO compare?

MGK provides a dividend yield of 0.31%, which is relatively low. This might make it less appealing for income-focused investors. VOO, however, offers a more moderate yield of 1.03%, making it slightly better suited for conservative income investors. Despite VOO's higher yield, it still falls short in a growth-driven market.

What are the top holdings of MGK and VOO, and how do they overlap?

MGK's top holdings include NVDA at 14.30%, AAPL at 13.01%, and MSFT at 9.97%. VOO holds NVDA at 8.08%, AAPL at 7.03%, and MSFT at 5.70%. Both funds share NVDA, AAPL, MSFT, GOOGL, AMZN, GOOG, AVGO, META, and TSLA in their top 10 holdings, showing a notable overlap in their investments.

Which fund has a more diversified portfolio, MGK or VOO?

MGK's portfolio appears more concentrated in technology stocks, particularly NVDA and AAPL, with significant holdings elevating sector-specific risks. Meanwhile, VOO's broader exposure to the S&P 500 provides a more diversified portfolio. Although the specific sector weights are not available for both, VOO's diversified approach generally reduces sector-specific risk.

How do the net assets of MGK and VOO compare, and what does this mean for investors?

MGK has $34.1 billion in net assets, which provides substantial liquidity and market stability. VOO boasts an even higher net asset value of $1.08 trillion, ensuring exceptional liquidity and minimal trading costs. Both funds benefit from their large size, but VOO's significantly larger assets might offer slightly better trading conditions.

What are the expense ratios for MGK and VOO, and how do they compare?

MGK has an expense ratio of 0.05%, while VOO offers a lower expense ratio of 0.03%. This fee difference, though modest, can influence long-term returns, with VOO potentially providing better cost efficiency for investors seeking to track the S&P 500.

What are the main differences in investment goals between MGK and VOO?

MGK is generally aligned with investors seeking growth through large-cap growth stocks, which may offer higher potential returns but also come with higher volatility. VOO, on the other hand, suits those looking for a balanced, low-cost way to gain exposure to the S&P 500. Both funds serve different investment strategies.

How do the inceptions dates of MGK and VOO affect their track records?

MGK was incepted on December 17, 2007, providing a longer track record, showcasing resilience through various market cycles. VOO, incepted on September 7, 2010, has demonstrated consistent performance across different conditions, albeit for a shorter period. Both funds offer unique advantages regarding their performance history.

How do the sector weights of MGK and VOO impact their exposure?

The sector weights for both MGK and VOO are not available, but MGK's top holdings suggest a high concentration in technology and growth sectors, which can increase sector-specific risks. In contrast, VOO's broader portfolio of the S&P 500 likely offers more balanced sector exposure.

What is the best way to assess MGK and VOO's ability to mirror their benchmarks?

Both MGK and VOO lack available index tracking data, which limits the assessment of their ability to mirror their respective benchmarks. This makes it challenging to predict how closely these funds will track their intended indices in practice.

What are the primary risks associated with investing in MGK compared to VOO?

MGK's high concentration in technology stocks, such as NVDA and AAPL, elevates sector-specific risks. While VOO's dividend yield is modest, it provides a more diversified portfolio, reducing the potential for significant sector-specific losses. Both funds come with their own set of risks, particularly in relation to market conditions and sector concentration.

MGK vs VOO

Two funds, one decision: we compare cost, performance and what each ETF actually holds in November 2026.

Compare MGK and VOO to see how Vanguard Mega Cap Growth and the S&P 500 Vanguard ETF differ. We examine fees, top holdings and dividend yields, offering insight into their market focus. Educational content, not financial advice.

Fund Snapshot

Key Fund Metrics

MGK

Metric

VOO

0.05%

Expense Ratio

0.03%

0.31%

Dividend Yield

1.03%

$34.09B

Net Assets

$1.08T

Holdings

516

Dec 17, 2007

Inception Date

Sep 7, 2010

–

Index Tracked

–

Large Growth

Fund Category

Large Blend

VOO costs about $2.00 less per year for every $10,000 invested.

Shared Top Holdings

Holding	MGK	VOO
NVDANVIDIA Corporation	14.30%	8.08%
AAPLApple Inc.	13.01%	7.03%
MSFTMicrosoft Corporation	9.97%	5.70%
GOOGLAlphabet Inc.	5.49%	3.01%
AMZNAmazon.com, Inc.	4.75%	3.84%
GOOGAlphabet Inc.	4.32%	2.40%
AVGOBroadcom Inc.	4.09%	2.65%
METAMeta Platforms, Inc.	4.05%	1.90%
TSLATesla, Inc.	3.35%	1.57%

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Investment Analysis

MGK

Pros

Vanguard's MGK offers a low 0.05% expense ratio, enhancing net returns for investors seeking large-cap growth exposure.
With $34.1 billion in net assets, MGK provides substantial liquidity and market stability, reducing the risk of bid-ask spreads.
Incepted in December 2007, MGK has a long track record, demonstrating resilience through various market cycles and periods.

Considerations

MGK's high concentration in technology stocks, including NVDA at 14.30% and AAPL at 13.01%, elevates sector-specific risks.
Despite its large-cap focus, MGK's dividend yield is relatively low at 0.31%, limiting income generation for conservative investors.
The absence of available index tracking data hinders assessments of MGK's ability to mirror its target growth benchmark.

VOO

Pros

VOO's 0.03% expense ratio is among the lowest in the industry, making it a cost-effective way to track the S&P 500.
As a fund with $1.08 trillion in net assets, VOO ensures exceptional liquidity and minimal trading costs for investors.
Incepted in September 2010, VOO has demonstrated consistent performance across various market conditions, showcasing its durability.

Considerations

VOO's dividend yield of 1.03% is modest, appealing less to investors focused on high-income opportunities in a growth-driven market.
The fund's broad exposure to the S&P 500 means performance is diluted, reducing potential upside in bull markets.
The lack of specific index tracking data for VOO limits transparency into its methodology and potential tracking differences.

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About MGK and VOO

MGK (MGK)

The Vanguard Mega Cap Growth ETF aims to track the investment results of the CRSP US Mega Cap Growth Index, providing exposure to large-capitalisation companies in the United States that demonstrate consistent growth characteristics. With a low expense ratio of 0.05%, it offers a cost-effective way to access leading growth firms across various sectors. The fund holds around 60 stocks, reflecting a concentrated portfolio focused on the largest and fastest-growing companies. Investors should note that while the fund has a dividend yield of approximately 0.31%, returns are not guaranteed, and values can rise and fall.

VOO (VOO)

VOO is Vanguard’s exchange-traded fund designed to track the S&P 500 Index, offering broad exposure to about 500 of the largest publicly traded US companies. It aims to replicate the index’s performance minus fees by holding the same stocks in similar proportions, making it a straightforward, passive way to access large‑cap US equities. Investors commonly use VOO as a core holding for long‑term growth or as a simple building block in a diversified portfolio. It typically offers high liquidity and regular dividend distributions from underlying companies. As with any equity investment, VOO’s value can rise or fall with the market, and past performance is not a guide to future returns. Fees, trading costs and potential tracking error reduce returns slightly. This information is general and educational only and not personalised financial advice — consider your own circumstances or speak to a qualified adviser before investing.

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MGK vs VOO

Fund Snapshot