ACMG

American Century Mid Cap Growth Insights ETF

American Century · $103.5m in assets, October 15, 2026

ACMG, the American Century Mid Cap Growth Insights ETF ($103 million), sits in StoryVector’s Beta Book: it selects holdings by a factor such as value, size, quality or dividends, not by a story. It carries no market story, so it is not ranked against one.

Checked, and added to the Beta Book

It selects holdings by a factor such as value, size, quality or dividends, not by a story.

Mandate
Factor →
Last checked
October 16, 2026

We check every ETF against the 22 narratives. This one follows the market, a factor or a manager’s choices rather than a story, so it has no narrative and no Share of Narrative. See the narratives on the board → · See the whole Beta Book →

$103.5mAssets

Issued by American Century

How it is built

An unlevered long ETF.

Leverage1xMoves one for one with what it holds
OptionsNoneNo options on top of what it holds
Exposure–
Underlyings1A single asset or index

Common questions

Why does ACMG have no story?

It selects holdings by a factor such as value, size, quality or dividends, not by a story.

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Attention figures are weekly, from the board. Assets are StoryVector’s weekly figure. Classification and measurement. Not investment advice. How the measurement works →