AMERICAN CENTURY INVESTMENT MANAGEMENT INC - 31 Mar 2026 SCHEDULE 13G/A Report for MarineMax, Inc. Common Stock (HZO)

Quoteable Key Fact

"AMERICAN CENTURY INVESTMENT MANAGEMENT INC disclosed 9.6% ownership in MarineMax, Inc. Common Stock (HZO) on 31 Mar 2026."

Quick Takeaways

AMERICAN CENTURY INVESTMENT MANAGEMENT INC filed SCHEDULE 13G/A for MarineMax, Inc. Common Stock (HZO).
Disclosed ownership: 9.6%.
Date of event: 31 Mar 2026.

This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
You can verify ownership claims directly against the original SEC filing.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Name	Ownership	Shares Owned	sole voting power	Signature	Title
American Century Capital Portfolios, Inc.	5%	1,095,000	1,095,000	American Century Capital Portfolios, Inc.	/s/ John Pak / Senior Vice President
American Century Investment Management, Inc.	9.6%	2,120,402	2,053,376	American Century Investment Management, Inc.	/s/ John Pak / Senior Vice President
American Century Companies, Inc.	9.6%	2,120,402	2,053,376	American Century Companies, Inc.	/s/ John Pak / Senior Vice President
Stowers Institute for Medical Research	9.6%	2,120,402	2,053,376	Stowers Institute for Medical Research	/s/ Joselyn Verschelden / Authorized Signer