# MID (American Century Mid Cap Growth Impact ETF)

American Century · Stock ETFs · U.S. mid-cap growth · data as of Oct 2, 2026

MID is actively managed and returned +2.9% since it listed on Sep 14, 2026.

## Key facts

- MID, total return, 1 year: +2.9%, as of Oct 2, 2026.
- MID, expense ratio: 0.45%, as of Oct 2, 2026.
- MID, holdings: 35, as of Oct 2, 2026.
- MID, below its high: 0.0%, as of Oct 2, 2026.
- MID, net assets: $100m (SEC filing, whole fund, as filed for May 31, 2026).

## MID over each window to Oct 2, 2026

| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
| --- | --- | --- | --- | --- |
| Since listing | +2.9% | +1.4% | +1.5 pts | −2.9 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | No index, actively managed | ETFIQ |
| Fund type | Equity fund | ETFIQ |
| Category | Stocks · U.S. mid-cap growth | ETFIQ |
| Expense ratio | 0.45% | 485BPOS XBRL, Dec 29, 2025 |
| Price | $70.93 | ETFIQ |
| Listed since | Sep 14, 2026 | ETFIQ |
| Net assets | $100m | SEC filing, whole fund, as filed for May 31, 2026 |
| Below its high | 0.0% | ETFIQ |
| Holdings | 35 | ETFIQ |
| Top ten weight | 55.2% | ETFIQ |
| Holdings as of | May 31, 2026 | SEC N-PORT |
| Already in the S&P 500, by weight | 54.5% | ETFIQ |
| Active share vs the S&P 500 | 98.7% | ETFIQ |
| Already in the Nasdaq-100, by weight | 23.3% | ETFIQ |

## Questions

### What does MID cost?

The prospectus expense ratio is 0.45% a year.

### What does MID hold?

35 positions as filed for May 31, 2026, with the top ten at 55.2% of the fund. 54% of its weight is in stocks the S&P 500 also holds.

### How far is MID below its high?

0.0% below its high of Oct 2, 2026, measured on the reinvested series to Oct 2, 2026.


## Cite this page

ETFIQ, MID, data as of Oct 2, 2026. https://etfiq.com/funds/mid
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

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