American Century Mid Cap Growth Impact ETF (MID) Performance
MID total return
Distributions reinvested · as of Oct 23, 2026- YTD
- +4.3% since Dec 31, 2025
- 1 year
- −0.4% total return
- 5 years
- +2.4% a year
- Since first price
- +8.9% a year since 2020
MID trailing returns vs SPY, QQQ, AGG
| Period | MID total return | Price only | S&P 500 (SPY) | Nasdaq-100 (QQQ) | U.S. bonds (AGG) |
|---|---|---|---|---|---|
| 1 month | −3.8% | −3.8% | −1.0% | −5.0% | +0.9% |
| 3 months | +1.7% | +1.7% | +3.2% | +1.9% | −0.4% |
| 6 months | +3.4% | +3.4% | +7.8% | +8.4% | −1.5% |
| YTD | +4.3% | +4.2% | +12.3% | +15.1% | −1.0% |
| 1 year | −0.4% | −0.6% | +14.4% | +15.9% | −1.1% |
| 3 years | +63.2%+17.7%/yr | +62.4% | +87.4%+23.3%/yr | +101.4%+26.3%/yr | +16.6%+5.2%/yr |
| 5 years | +12.8%+2.4%/yr | +12.2% | +79.3%+12.4%/yr | +94.0%+14.2%/yr | −0.8%−0.2%/yr |
| Since inceptionJul 15, 2020 | +71.0%+8.9%/yr | +70.2% | — | — | — |
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: MID vs SPY
From Jul 15, 2020: MID grew to $17,101, SPY to $25,704.
Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.
MID returns by calendar year
4 of 5 full years positive. Best 2023 (+22.2%), worst 2022 (−27.4%). 2026 is year to date.
MID annual returns table
| Year | MID | Largest drop | SPY | QQQ | AGG |
|---|---|---|---|---|---|
| 2026YTD | +4.3% | −12.6% | +12.3% | +15.1% | −1.0% |
| 2025 | +8.2% | −23.9% | +17.7% | +20.8% | +7.2% |
| 2024 | +19.4% | −9.0% | +24.9% | +25.6% | +1.3% |
| 2023 | +22.2% | −17.4% | +26.2% | +54.9% | +5.7% |
| 2022 | −27.4% | −33.9% | −18.2% | −32.6% | −13.0% |
| 2021 | +10.4% | −18.4% | +28.7% | +27.4% | −1.8% |
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.
MID largest drawdowns
Now 6.9% below the high| Peak | Decline | Bottom | Recovered | Fall | Underwater |
|---|---|---|---|---|---|
| Nov 16, 2021 | −40.2% | Jun 16, 2022 | Oct 14, 2024 | 7 months | 2.9 years |
| Jan 23, 2025 | −23.9% | Apr 8, 2025 | Jun 26, 2025 | 2 months | 5 months |
| Feb 12, 2021 | −18.4% | May 13, 2021 | Jul 22, 2021 | 3 months | 5 months |
| Oct 27, 2025 | −13.9% | Mar 30, 2026 | Jun 2, 2026 | 5 months | 7 months |
| Sep 2, 2020 | −10.2% | Sep 11, 2020 | Oct 7, 2020 | 9 days | 35 days |
Declines from a closing high (distributions reinvested) of 10% or more. Underwater = time from the peak until the old high was regained.
MID risk statistics
| Statistic | 3 years | 5 years | Since 2020 |
|---|---|---|---|
| Annualized return | +16.0% | +4.2% | +8.9% |
| Volatility (annualized) | 17.1% | 20.7% | 20.4% |
| Sharpe ratio | 0.70 | 0.13 | 0.38 |
| Sortino ratio | 1.24 | 0.19 | 0.58 |
| Best month | +12.9% | +16.2% | +16.2% |
| Worst month | −7.4% | −15.1% | −15.1% |
| Best 12 months | +44.4% | +44.4% | +44.4% |
| Worst 12 months | −1.8% | −32.1% | −32.1% |
| Positive months | 61% | 57% | 59% |
| Beta vs S&P 500 | 1.19 | 1.16 | — |
| Correlation with S&P 500 | 0.87 | 0.87 | — |
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.
MID rolling returns
| Holding period | Periods | Worst | Median | Best | Positive |
|---|---|---|---|---|---|
| 1-year | 64 | −32.1% | +8.1% | +44.4% | 75% |
| 3-year (a year) | 40 | −1.2% | +8.8% | +19.0% | 82% |
| 5-year (a year) | 16 | +2.1% | +4.8% | +9.9% | 100% |
Every holding period starting at a month-end since 2020. Returns for 3 years and longer are annualized.
MID performance overview
American Century Mid Cap Growth Impact ETF (MID) returned −0.4% over the past year and +2.4% a year over five years, with distributions reinvested. Since its first recorded price in 2020 it has returned +8.9% a year, turning $10,000 into about $17,101. Over the same year S&P 500 (SPY) returned +14.4%.
The deepest decline was −40.2%, from Nov 16, 2021 to Jun 16, 2022, and it took 2.3 years to get back to the old high. MID finished 4 of its 5 full calendar years with a gain; the best year was 2023 (+22.2%) and the worst 2022 (−27.4%). Volatility has been 20.4% a year.
Related: MID chart, MID holdings, MID dividends, MID valuation. See the MID overview for the latest quote and fund facts.
MID performance FAQ
What is the MID return over the past year?
MID returned −0.4% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it fell 0.6%.
What is the average annual return of MID?
MID has returned +2.4% a year over 5 years, +8.9% a year since July 15, 2020 (total return, distributions reinvested).
How much would $10,000 invested in MID be worth?
$10,000 invested in MID at its first recorded close on July 15, 2020 would be worth about $17,101 on October 23, 2026 with distributions reinvested.
What was the worst year for MID?
The worst calendar year was 2022, with a total return of −27.4%. The best was 2023 at +22.2%.
What is the biggest drawdown of MID?
The largest peak-to-trough decline was −40.2% between November 16, 2021 and June 16, 2022. It recovered to the old high on October 14, 2024, 2.3 years after the bottom.
How volatile is MID?
Over the past 3 years MID had an annualized volatility of 17.1% and a Sharpe ratio of 0.70 (excess return over 1–3 month T-bills per unit of risk).