ETF Evaluator:
American Century Mid Cap Gr Impact ETF ()
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(as of Aug 26)
Best Performing in Mid-Cap Growth Over the Last Year
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ETF Details
American Century Mid Cap Gr Impact ETF Overview
American Century Mid Cap Gr Impact ETF (MID) is an actively managed U.S. Equity Mid-Cap Growth exchange-traded fund (ETF). American Century Investments launched the ETF in 2020.
The investment seeks long-term capital growth.
The fund will invest principally in exchange-traded common stocks. Under normal market conditions, the portfolio managers will invest at least 80% of the fund's assets in securities of medium capitalization companies that the portfolio managers believe will create impact by aligning with at least one of the SDGs. The fund may purchase securities of small and large capitalization companies as well. It may engage in active and frequent trading of portfolio securities to achieve its principal investment strategies. The fund is non-diversified.
About American Century Mid Cap Gr Impact ETF (MID)
There are 2 members of the management team with an average tenure of 3.63 years: Nalin Yogasundram (2020) and Yusuf Anwar (2025). Management tenure is more important for actively managed ETFs than passive index ETFs.
The ETF has 2 primary benchmarks: Russell 3000 TR USD index with a weighting of 100% and Russell Mid Cap Growth TR USD index with a weighting of 100%. American Century Mid Cap Gr Impact ETF has 36 securities in its portfolio. The top 10 holdings constitute 52.3% of the ETF’s assets. The ETF meets the SEC requirement of being classified as a nondiversified fund. The ETF is considered to have an ESG focus with its investment selection and management.
American Century Mid Cap Gr Impact ETF is part of the Equity global asset class and is within the U.S. Equity ETF group. American Century Mid Cap Gr Impact ETF has 6.9% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 92.6% There is 6.9% 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). American Century Mid Cap Gr Impact ETF has 0.5% of the portfolio in cash.
Assets Under Management
The fund has $99 million in total assets, which is below the $1 billion average for the Mid-Cap Growth 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.
MID 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 American Century Mid Cap Gr Impact ETF expense ratio is average compared to funds in the Mid-Cap Growth category. American Century Mid Cap Gr Impact ETF has an expense ratio of 0.45%, which is 15% 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. American Century Mid Cap Gr Impact ETF has a portfolio turnover rate of 44%, which indicates that it holds its assets around / 0.0 years. By way of comparison, the average portfolio turnover is 166% for the Mid-Cap Growth category.
Recently, in the month of July 2026, American Century Mid Cap Gr Impact ETF returned -2.9%, which earned it a grade of B, as the Mid-Cap Growth category had an average return of -6.0%. 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 ETFs in that category.
American Century Mid Cap Gr Impact ETF has a trailing yield of 0.15%, which is below the 0.41% category average.
The fund normally distributes its income monthly.
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.
American Century Mid Cap Gr Impact ETF Grades
Year to date, the ETF has returned 2.6%, 6.9 percentage points worse than the category, which translates into a grade of F. The fund has returned 1.1% over the past year (grade of F), 11.5% over the past three years (grade of F) and 2.6% per year over the past five years (grade of D).
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MID Trailing NAV Total Returns Data as of 7/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| MID Return (NAV) | -2.9% | 1.2% | 1.1% | 11.5% | 2.6% | na |
| MID Return (Price) | -2.9% | 1.3% | 1.3% | 11.6% | 2.6% | na |
| NAV +/- Price Return | -0.043% | -0.118% | -0.140% | -0.048% | 0.014% | na |
| Mid-Cap Growth Avg | -6.0% | 2.2% | 13.8% | 14.5% | 4.1% | 11.9% |
| MID Grade (NAV) | B | D | F | F | D | na |
| +/- Category (NAV) | 3.1% | -0.9% | -12.6% | -3.0% | -1.6% | na |
| MID Tax-Cost Ratio | na | na | 0.0% | 0.1% | 0.0% | na |
MID Annual NAV Total ReturnsData as of 7/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| MID Return (NAV) | 2.6% | 8.1% | 19.4% | 22.2% | -27.4% | 10.4% | na | na | na | na | na |
| MID Return (Price) | 2.5% | 8.2% | 19.4% | 22.2% | -27.4% | 10.4% | na | na | na | na | na |
| NAV +/- Price Ret | -0.028% | 0.013% | 0.000% | -0.001% | 0.003% | 0.003% | na | na | na | na | na |
| Mid-Cap Growth Avg | 9.5% | 11.5% | 20.5% | 23.6% | -30.6% | 9.4% | 50.3% | 29.2% | -8.2% | 29.5% | 7.9% |
| MID Grade (NAV) | F | C | B | B | C | D | na | na | na | na | na |
| +/- Category | -6.9% | -3.4% | -1.1% | -1.4% | 3.2% | 1.0% | na | na | na | na | na |
| Risk Measures | |
| Beta: | 1.17 |
| R-Squared: | 77% |
| Standard Deviation: | 17.4% |
| Category Risk Index: | 0.82 |
| Category Risk Rating: | Below Average |
| Total Risk Index: | 1.42 |
| Total Risk Rating: | Above Average |
| Portfolio Characteristics | |
| Yield: | 0.2% |
| Total Assets: | $ 99 Mil |
| Share Class Assets: | $ 99 Mil |
| Turnover: | 44.0% |
| Expense Ratio: | 0.45% |
| Index Fund: | No |
| Index Tracked: | Russell 3000 TR USD |
| Index Weighting: | 100% |
| Leveraged: | No |
| Socially Responsible Fund: | Yes |
| Capital Gains Distribution Frequency: | |
| Income Distribution Frequency: | Monthly |
Management Team
| Number of Managers: 2 | |||
| Longest Tenure: 6.1 years | |||
| Average Tenure: 3.6 years | |||
| Managers (Year): Yogasundram Nalin (2020), Anwar Yusuf (2025) | |||
Portfolio Composition (as of 6/30/26)
| # of Holdings: | 36 |
| % in Top 10 Holdings: | 52.3% |
| Fund is Non-Diversified: | Yes |
| % in Foreign Issues: | 6.9% |
Portfolio Allocation |
|
| Domestic Stock: | 92.6% |
| Foreign Stock: | 6.9% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 0.0% |
| Cash: | 0.5% |
Purchase Information
| Legal Structure: | Open Ended Investment Company |
| Fund Family: | American Century Investments |
| Phone Number: | 833-224-3837 |
| Website: | americancenturyetfs.com |
| Inception Date: | July 15, 2020 |
Expenses and Fees
| Expense Ratio (%): | 0.45% (Rating: Avg) |
| Category Average Expense Ratio (%): | 0.53% |