Quick Read
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IVV returned 322% over the last decade at a 0.03% expense ratio, making it the low-cost core for doubling $500K by 65.
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MGK delivered 465% over 10 years but carries higher rate sensitivity, so position sizing is critical at current Treasury yields.
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DGRW pays monthly distributions and cushions bear market drawdowns, protecting the portfolio if a downturn hits near retirement.
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Read More: Learn 7 ways to generate income with a $1,000,000+ portfolio (sponsor)
You spent 30 years building this balance. At 55, your 401(k) statement finally reads $500,000. If you want that balance to reach a million by the time you retire at 65, the math is straightforward, and the market has to cooperate. That said, three funds can carry most of that load: the iShares Core S&P 500 ETF( NYSEARCA:IVV ) as the core index holding, the Vanguard Mega Cap Growth ETF( NYSEARCA:MGK ) as the growth tilt, and the WisdomTree U.S. Quality Dividend Growth Fund( NASDAQ:DGRW ) as the dividend-growth stabilizer.
Arithmetic for the Next 10 Years
Doubling $500,000 in a decade requires roughly a 7.2% annualized total return (excluding additional contributions). That is what the compounding equation demands. The S&P 500 has cleared that bar many times, and IVV alone returned 322.87% over the last 10 years through September 11, 2026.
History is not a promise, though, and the same decade in front of you contains the sequence-of-returns risk window: a bad drawdown in year eight or nine hurts far more than one in year two. That risk is why you tilt toward growth for the balance you can afford to leave alone and pair it with quality income for the piece you cannot leave alone.
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IVV: Core Exposure at a Rounding-Error Cost
IVV is the core holding. It tracks the S&P 500 at a 0.03% total expense ratio, meaning roughly $9,997 of every $10,000 invested keeps working for you each year. Over the fiscal year ended 03/31/26, the fund posted a 17.78% total return based on net asset value, with net assets north of $720 billion. It also pays a quarterly distribution, most recently $1.995653 per share, with a trailing 12-month total of $8.18751. For a 55-year-old, this is the portfolio bedrock: 500 of the largest U.S. companies, no manager risk, no theme risk, and a fee you will never notice.
MGK: The Growth Tilt That Moves the Needle
To beat the S&P over the next 10 years, something in the portfolio has to outperform. That is MGK, Vanguard's mega-cap growth ETF tracking the CRSP US Mega Cap Growth Index. It concentrates in the largest growth engines in the U.S. market, and it has delivered a 465.2% total return over the past 10 years and 14.93% over the past year alone. Vanguard's fee schedule keeps this fund among the lowest-cost options for growth-tilted exposure. The trade-off is clear: with the 10-year Treasury yield at 4.95%—its highest reading in the past 12 months—growth stocks are more sensitive to rate moves and can slump quickly when yields spike. Position sizing matters here.
DGRW: Quality Dividend Growth as Ballast
DGRW is the piece that keeps you from panic-selling. It screens U.S. dividend payers for return on equity, return on assets, and estimated earnings growth, then weights holdings fundamentally rather than by market cap. The fund charges a 0.28% expense ratio, holds roughly $16.6 billion in net assets as of June 30, 2026, and pays monthly distributions, which is unusual for a U.S. equity ETF and psychologically valuable when you are approaching retirement and monitoring cash flow. The trailing 12-month payout came to $1.2027 per share, and the 10-year total return has been 277.2%. Quality dividend growers tend to fall less in bear markets, which is exactly the cushion you want if a downturn arrives in year nine.
Trade-Offs to Weigh
None of this eliminates sequence risk. All three are equity funds, and in a sharp bear market they will fall together. IVV year-to-date is up 12.71%, MGK 9.10%, and DGRW 11.09%, but the past year also saw a move in the 10-year yield at the 99.6th percentile of historical magnitude. You still need a bond or cash sleeve funded well before age 65 so that you are not forced to sell equities into weakness (a bad market in the first years of withdrawals hurts far more than a bad market later, which is the whole subject of our free early retirement defense guide). IVV provides the core exposure, MGK adds the growth tilt with higher volatility, and DGRW contributes quality dividend income. That mix gives the $1,000,000 math a real chance to work.
Learn 7 Ways To Generate Income With A $1,000,000+ Portfolio
If you've saved over $1,000,000, this guide is for you. The last thing you want in retirement is to run out of money, you want your money to generate lasting income while you enjoy your life.
Now you can learn the strategies wealthy retirees use to fund their retirement with The Definitive Guide to Retirement Income from Fisher Investments. Download the guide today! (sponsor)
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