# American Century Mid Cap Growth Impact ETF

American Century Mid Cap Growth Impact ETF is a ETF series of American Century ETF Trust (series S000068306). Net assets $99.5M as of 2026-05-31.

## Profile

- Series ID: S000068306
- Registrant: American Century ETF Trust
- LEI: 549300RZJCDU6SCEXC76
- Net assets: $99.5M
- Total assets: $99.5M
- As of: 2026-05-31
- Type: ETF

## Advisers

- [American Century Investment Management, Inc. (Advisor)](https://search.stillhousedata.com/firm/105778)

## Top holdings (36 reported)

_Showing 15 of 36 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Monolithic Power Systems Inc](https://search.stillhousedata.com/security/609839105) | MPWR | $8.2M | 820.37% |
| [Cloudflare Inc](https://search.stillhousedata.com/security/18915M107) | NET | $7.2M | 726.22% |
| [Okta Inc](https://search.stillhousedata.com/security/679295105) | OKTA | $7.0M | 700.74% |
| [Johnson Controls International plc](https://search.stillhousedata.com/security/G51502105) | JCI | $5.4M | 540.47% |
| [Cadence Design Systems Inc](https://search.stillhousedata.com/security/127387108) | CDNS | $4.8M | 481.92% |
| [WESCO International Inc](https://search.stillhousedata.com/security/95082P105) | WCC | $4.7M | 467.90% |
| [Targa Resources Corp](https://search.stillhousedata.com/security/87612G101) | TRGP | $4.5M | 451.08% |
| [Vistra Corp](https://search.stillhousedata.com/security/92840M102) | VST | $4.1M | 412.61% |
| [Hubbell Inc](https://search.stillhousedata.com/security/443510607) | HUBB | $3.8M | 384.15% |
| [Vertiv Holdings Co](https://search.stillhousedata.com/security/92537N108) | VRT | $3.8M | 379.12% |
| [Chipotle Mexican Grill Inc](https://search.stillhousedata.com/security/169656105) | CMG | $3.6M | 364.40% |
| [MSCI Inc](https://search.stillhousedata.com/security/55354G100) | MSCI | $3.5M | 350.13% |
| [Alnylam Pharmaceuticals Inc](https://search.stillhousedata.com/security/02043Q107) | ALNY | $3.2M | 319.35% |
| [State Street Institutional US Government Money Market Fund](https://search.stillhousedata.com/security/857492706) | GVMXX | $2.9M | 290.29% |
| [On Holding AG](https://search.stillhousedata.com/security/H5919C104) | ONON | $2.9M | 288.43% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $99.5M |
| 2026-02-28 | $92.4M |
| 2025-11-30 | $90.7M |
| 2025-08-31 | $89.5M |
| 2025-05-31 | $83.2M |
| 2025-02-28 | $78.5M |
| 2024-11-30 | $80.1M |
| 2024-08-31 | $70.3M |

## More

- [Registrant: American Century ETF Trust](https://search.stillhousedata.com/registrant/1710607)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000068306.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.