Fund Evaluator:
MFS Intl Diversification R6 (MDIZX)
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Best Performing in Foreign Large Blend Over the Last Year
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Fund Details
MFS Intl Diversification R6 Overview
MFS Intl Diversification R6 (MDIZX) is an actively managed International Equity Foreign Large Blend fund. MFS launched the fund in 2017.
The investment seeks capital appreciation. The fund is designed to provide diversification within the international asset class by investing the majority of its assets in other mutual funds advised by the adviser, referred to as underlying funds. The adviser seeks to diversify the fund's investments in terms of market capitalization (by including large, mid, and/or small cap underlying funds), by style (by including both growth and value underlying funds), and by geography (by including developed and emerging market underlying funds).
About MFS Intl Diversification R6 (MDIZX)
There are 2 members of the management team with an average tenure of 3.67 years: Nicholas Paul (2022), John Mahoney (2024). Management tenure is more important for actively managed funds than passive index funds.
The fund has 1 primary benchmark: MSCI ACWI Ex USA NR USD index with a weighting of 100%. MFS Intl Diversification R6 has 7 securities in its portfolio. The top 10 holdings constitute 99.7% of the fund’s assets. The fund meets the SEC requirement of being classified as a diversified fund. The fund is not considered to have an ESG focus with its investment selection and management.
MFS Intl Diversification R6 is part of the Equity global asset class and is within the International Equity fund group. MFS Intl Diversification R6 has 91.6% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 6.2%. There is 91.6% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 0.0% (0.0% domestic bond, 0.0% foreign bond and 0.0% convertible bond). MFS Intl Diversification R6 has 2.2% of the portfolio in cash.
Assets Under Management
The fund has $20 billion in total assets, which is above the $2 billion average for the Foreign Large Blend category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.
MDIZX Performance and Fees
The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The MFS Intl Diversification R6 expense ratio is above average compared to funds in the Foreign Large Blend category. MFS Intl Diversification R6 has an expense ratio of 0.73%, which is 22% lower than its category average, making the fund expense ratio grade a B. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.
High portfolio turnover can translate to higher expenses and lower aftertax returns. MFS Intl Diversification R6 has a portfolio turnover rate of 1%, indicating that holds its assets around 1.0 years. By way of comparison, the average portfolio turnover is 62% for the Foreign Large Blend category.
Recently, in the month of August 2026, MFS Intl Diversification R6 returned 2.9%, which earned it a grade of A, as the Foreign Large Blend category had an average return of 2.0%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all funds in that category.
MFS Intl Diversification R6 has a trailing yield of 2.03%, which is below the 2.13% category average. The fund normally distributes its income annually and its capital gains annually.
It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.
MFS Intl Diversification R6 Grades
Year to date, the fund has returned 14.5%, 0.5 percentage points better than the category, which translates into a grade of C. The fund has returned 22.1% over the past year (grade of C), 17.6% over the past three years (grade of D) and 8.0% per year over the past five years (grade of D) and 10.1% per year over the past 10 years (grade of B).
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MDIZX Trailing NAV Total Returns Data as of 8/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| MDIZX Return (NAV) | 2.9% | 4.5% | 22.1% | 17.6% | 8.0% | 10.1% |
| MDIZX Grade | A | B | C | D | D | B |
| +/- Category | 0.9% | 1.3% | -0.2% | -0.5% | -0.5% | 0.8% |
| Foreign Large Blend Avg | 2.0% | 3.2% | 22.3% | 18.2% | 8.5% | 9.3% |
| MDIZX Tax Cost Ratio | na | na | 1.2% | 1.3% | 1.1% | na |
MDIZX Annual NAV Total ReturnsData as of 8/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| MDIZX Return (NAV) | 14.5% | 28.0% | 6.5% | 14.4% | -17.0% | 7.8% | 15.4% | 26.1% | -10.9% | 30.2% | 2.5% |
| MDIZX Grade | C | D | B | D | C | D | B | B | A | A | B |
| +/- Category | 0.5% | -2.6% | 1.6% | -1.8% | -0.6% | -2.4% | 3.6% | 3.1% | 4.3% | 3.8% | 1.5% |
| Foreign Large Blend Avg | 13.9% | 30.5% | 4.9% | 16.2% | -16.4% | 10.2% | 11.8% | 22.9% | -15.2% | 26.4% | 1.0% |
| Risk Measures | |
| Standard Deviation: | 11.8% |
| Total Risk Index: | 0.97 - Average |
| Category Risk Index: | 0.93 - Low |
| Category Risk Grade: | A (13% Rank) |
| Beta: | 0.85 |
| R-Squared: | 94% |
| Leveraged Fund: | No |
| Inverse Fund: | No |
| Portfolio Characteristics | |
| Equity Investment Style: | Large-Cap Blend |
| Bond Investment Style: | na |
| Yield: | 2.0% |
| Dividend Distribution: | Annually |
| Cap Gains Distribution: | Annually |
| Total Assets: | $43954 Mil |
| Fund Total Assets: | $20,335 Mil |
| Share Class Type: | Retirement |
| Portfolio Turnover: | 1% |
Management Team
| Number of Managers: 2 | |||
| Longest Tenure: 4.7 years | |||
| Average Tenure: 3.7 years | |||
| Managers (Year): Paul Nicholas (2022), Mahoney John (2024) | |||
Portfolio Composition (as of 7/31/26)
| # of Holdings: | 7 |
| % in Top 10 Holdings: | 99.7% |
| Fund is Non-Diversified: | No |
| % in Foreign Issues: | 91.6% |
Portfolio Allocation |
|
| Domestic Stock: | 6.2% |
| Foreign Stock: | 91.6% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 0.0% |
| Cash: | 2.2% |
Purchase Information
| Fund Family: | MFS |
| Phone Number: | 800-225-2606 |
| Website: | http://www.mfs.com |
| Status: | Open |
| Inception Date: | October 2, 2017 |
| Min. Initial Purchase: | $ 0 |
| Min. Initial IRA Purchase: | $ 0 |
| True No-Load: | Yes |
| Front Load Maximum: | 0.00% |
| Deferred Charge Maximum: | 0.00% |
| Redemption Charge Maximum: | 0.00% |
| 12b-1 Fee: | na |
Expenses and Fees | |
| Expense Ratio (%): | 0.73% ( Rating : Above Avg ) |
| Category Average Expense Ratio (%): | 0.94% |
| Share Class: | MFS Intl Diversification I |
| Min. Subsequent Purchase: | $ 0 |
| Min. Subsequent IRA Purchase: | $ 0 |
