Who reported a 5.1% stake in AdvanSix Inc., and how many shares do they hold?

American Century Investment Management, Inc., along with American Century Companies, Inc. and the Stowers Institute for Medical Research, collectively reported a 5.1% beneficial ownership stake in AdvanSix Inc. (ASIX), holding 1,363,346 shares with sole voting and dispositive power.

Does any single client of American Century Investment Management, Inc. hold more than 5% of AdvanSix's common stock?

No — the Schedule 13G filing explicitly states that 'no single client advised by American Century Investment Management, Inc. holds more than 5% of AdvanSix's common stock.'

American Century Group Reports 5.1% Stake in AdvanSix (ASIX)

Aug 14, 2026

American Century Investment Management reported a 5.1% beneficial ownership stake in chemical manufacturer AdvanSix Inc., holding over 1.36 million shares with sole voting power.

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