If you're invested in any of the funds in our "Magnificent Retirement Mutual Funds" list, congratulations on owning some of the best managed and top-performing mutual funds. If you are lucky enough to discover our list of Top-Ranked Funds for the first time, it's never too late to start investing with the best, especially when it comes to your retirement.

Great performance, diversification, and low fees: it's a pretty simple formula for a great mutual fund. Some are better than others, but utilizing our Zacks Rank, we have identified three mutual funds that would make great additions to long-term investors' portfolios.

Let's take a look at some of the highest Zacks Ranked mutual funds with the lowest fees.

T. Rowe Price Institutional Large Cap Growth (TRLGX Quick QuoteTRLGX - Free Report) has a 0.56% expense ratio and 0.55% management fee. TRLGX is a part of the Large Cap Growth mutual fund category, which invest in many large U.S. companies that are expected to grow much faster compared to other large-cap stocks. With yearly returns of 14.74% over the last five years, this fund clearly wins.

MSIF Global Quality Portfolio IS (MGQSX Quick QuoteMGQSX - Free Report) : 0.84% expense ratio and 0.7% management fee. MGQSX is a Global - Equity mutual fund. These funds invest in large markets like the U.S., Europe, and Japan, and operate with very few geographical limitations. With yearly returns of 10.22% over the last five years, MGQSX is an effectively diversified fund with a long reputation of solidly positive performance.

Janus Henderson US Managed Volatilty I (JRSIX Quick QuoteJRSIX - Free Report) is an attractive large-cap allocation. JRSIX is part of the Large Cap Blend section, and these mutual funds most often invest in firms with a market capitalization of $10 billion or more. By investing in bigger companies, these funds offer more stability, and are often well-suited for investors with a "buy and hold" mindset. JRSIX has an expense ratio of 0.7%, management fee of 0.5%, and annual returns of 10.32% over the past five years.

So, there you have it - if your advisor has you invested in any of our "Magnificent Retirement Mutual Funds," they are certainly earning their keep. If not, you may want to look elsewhere.

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