Vanguard Mega Cap Growth ETF (MGK) Performance
MGK total return
Distributions reinvested · as of Oct 23, 2026- YTD
- +7.8% since Dec 31, 2025
- 1 year
- +9.3% total return
- 5 years
- +13.0% a year
- 10 years
- +18.6% a year
- Since first price
- +13.6% a year since 2007
MGK trailing returns vs SPY, QQQ, AGG
| Period | MGK total return | Price only | S&P 500 (SPY) | Nasdaq-100 (QQQ) | U.S. bonds (AGG) |
|---|---|---|---|---|---|
| 1 month | −4.2% | −4.2% | −1.0% | −5.0% | +0.9% |
| 3 months | +4.5% | +4.4% | +3.2% | +1.9% | −0.4% |
| 6 months | +7.3% | +7.1% | +7.8% | +8.4% | −1.5% |
| YTD | +7.8% | +7.5% | +12.3% | +15.1% | −1.0% |
| 1 year | +9.3% | +8.9% | +14.4% | +15.9% | −1.1% |
| 3 years | +98.3%+25.6%/yr | +95.7% | +87.4%+23.3%/yr | +101.4%+26.3%/yr | +16.6%+5.2%/yr |
| 5 years | +84.2%+13.0%/yr | +79.7% | +79.3%+12.4%/yr | +94.0%+14.2%/yr | −0.8%−0.2%/yr |
| 10 years | +450.0%+18.6%/yr | +411.3% | +315.9%+15.3%/yr | +538.9%+20.4%/yr | +14.0%+1.3%/yr |
| 15 years | +994.1%+17.3%/yr | +829.2% | +696.0%+14.8%/yr | +1,299.3%+19.2%/yr | +32.2%+1.9%/yr |
| Since inceptionDec 21, 2007 | +1,006.3%+13.6%/yr | +779.0% | — | — | — |
Total return from adjusted closes (distributions reinvested, before tax). Periods of 3 years or more are also shown annualized. Price only excludes distributions.
Growth of $10,000: MGK vs SPY
From Dec 21, 2007: MGK grew to $110,632, SPY to $72,210.
Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.
MGK returns by calendar year
15 of 18 full years positive. Best 2023 (+51.7%), worst 2008 (−36.3%). 2026 is year to date.
MGK annual returns table
| Year | MGK | Largest drop | SPY | QQQ | AGG |
|---|---|---|---|---|---|
| 2026YTD | +7.8% | −14.9% | +12.3% | +15.1% | −1.0% |
| 2025 | +20.7% | −23.4% | +17.7% | +20.8% | +7.2% |
| 2024 | +32.9% | −13.6% | +24.9% | +25.6% | +1.3% |
| 2023 | +51.7% | −10.1% | +26.2% | +54.9% | +5.7% |
| 2022 | −33.6% | −35.8% | −18.2% | −32.6% | −13.0% |
| 2021 | +28.6% | −9.3% | +28.7% | +27.4% | −1.8% |
| 2020 | +41.0% | −31.2% | +18.3% | +48.6% | +7.5% |
| 2019 | +37.4% | −8.6% | +31.2% | +39.0% | +8.5% |
| 2018 | −2.9% | −22.6% | −4.6% | −0.1% | +0.1% |
| 2017 | +29.5% | −2.6% | +21.7% | +32.7% | +3.6% |
| 2016 | +6.5% | −10.0% | +12.0% | +7.1% | +2.4% |
| 2015 | +3.6% | −12.7% | +1.2% | +9.4% | +0.5% |
| 2014 | +15.5% | −7.2% | +13.5% | +19.2% | +6.0% |
| 2013 | +32.6% | −6.7% | +32.3% | +36.6% | −2.0% |
| 2012 | +17.2% | −9.6% | +16.0% | +18.1% | +3.8% |
| 2011 | +3.1% | −16.9% | +1.9% | +3.4% | +7.7% |
| 2010 | +14.5% | −16.3% | +15.1% | +19.9% | +6.4% |
| 2009 | +37.4% | −20.6% | +26.4% | +54.7% | +3.0% |
| 2008 | −36.3% | −45.4% | −36.8% | −41.7% | +7.9% |
Largest drop = deepest fall from a high within that calendar year.
Calendar-year return vs largest drop within the year
Most years include a sizable fall at some point even when the year ends higher.
MGK largest drawdowns
Now 6.7% below the high| Peak | Decline | Bottom | Recovered | Fall | Underwater |
|---|---|---|---|---|---|
| Dec 26, 2007 | −48.4% | Mar 9, 2009 | Jan 12, 2011 | 1.2 years | 3.0 years |
| Dec 27, 2021 | −36.0% | Nov 3, 2022 | Jan 12, 2024 | 10 months | 2.0 years |
| Feb 19, 2020 | −31.2% | Mar 23, 2020 | Jun 8, 2020 | 33 days | 4 months |
| Feb 19, 2025 | −23.4% | Apr 8, 2025 | Jun 24, 2025 | 48 days | 4 months |
| Oct 1, 2018 | −22.6% | Dec 24, 2018 | Apr 22, 2019 | 3 months | 7 months |
| Jul 22, 2011 | −16.9% | Oct 3, 2011 | Jan 25, 2012 | 2 months | 6 months |
Declines from a closing high (distributions reinvested) of 10% or more. Underwater = time from the peak until the old high was regained.
MGK risk statistics
| Statistic | 3 years | 5 years | 10 years | Since 2007 |
|---|---|---|---|---|
| Annualized return | +27.4% | +15.1% | +19.0% | +14.0% |
| Volatility (annualized) | 17.3% | 20.9% | 18.7% | 17.6% |
| Sharpe ratio | 1.25 | 0.61 | 0.91 | 0.76 |
| Sortino ratio | 2.61 | 0.98 | 1.50 | 1.20 |
| Best month | +14.3% | +14.3% | +15.0% | +15.0% |
| Worst month | −8.6% | −13.2% | −13.2% | −16.7% |
| Best 12 months | +43.2% | +52.2% | +64.1% | +64.1% |
| Worst 12 months | +8.3% | −33.6% | −33.6% | −38.3% |
| Positive months | 64% | 60% | 67% | 63% |
| Beta vs S&P 500 | 1.27 | 1.23 | 1.14 | — |
| Correlation with S&P 500 | 0.91 | 0.93 | 0.93 | — |
From monthly total returns. Sharpe and Sortino use 1–3 month T-bills (BIL) as the risk-free rate, so they need history from 2007 on.
MGK rolling returns
| Holding period | Periods | Worst | Median | Best | Positive |
|---|---|---|---|---|---|
| 1-year | 215 | −38.3% | +18.3% | +64.1% | 88% |
| 3-year (a year) | 191 | +0.1% | +15.7% | +35.6% | 100% |
| 5-year (a year) | 167 | +3.9% | +15.7% | +25.6% | 100% |
| 10-year (a year) | 107 | +10.2% | +16.1% | +20.0% | 100% |
Every holding period starting at a month-end since 2007. Returns for 3 years and longer are annualized.
MGK performance overview
Vanguard Mega Cap Growth ETF (MGK) returned +9.3% over the past year and +18.6% a year over ten years, with distributions reinvested. Since its first recorded price in 2007 it has returned +13.6% a year, turning $10,000 into about $110,632. Over the same year S&P 500 (SPY) returned +14.4%.
The deepest decline was −48.4%, from Dec 26, 2007 to Mar 9, 2009, and it took 1.8 years to get back to the old high. MGK finished 15 of its 18 full calendar years with a gain; the best year was 2023 (+51.7%) and the worst 2008 (−36.3%). Volatility has been 17.6% a year.
Related: MGK chart, MGK holdings, MGK dividends, MGK valuation. See the MGK overview for the latest quote and fund facts.
MGK performance FAQ
What is the MGK return over the past year?
MGK returned +9.3% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it rose 8.9%.
What is the average annual return of MGK?
MGK has returned +13.0% a year over 5 years, +18.6% a year over 10 years, +13.6% a year since December 21, 2007 (total return, distributions reinvested).
How much would $10,000 invested in MGK be worth?
$10,000 invested in MGK at its first recorded close on December 21, 2007 would be worth about $110,632 on October 23, 2026 with distributions reinvested.
What was the worst year for MGK?
The worst calendar year was 2008, with a total return of −36.3%. The best was 2023 at +51.7%.
What is the biggest drawdown of MGK?
The largest peak-to-trough decline was −48.4% between December 26, 2007 and March 9, 2009. It recovered to the old high on January 12, 2011, 1.8 years after the bottom.
How volatile is MGK?
Over the past 3 years MGK had an annualized volatility of 17.3% and a Sharpe ratio of 1.25 (excess return over 1–3 month T-bills per unit of risk).