AMERICAN CENTURY INVESTMENT MANAGEMENT INC - 31 Dec 2025 SCHEDULE 13G Report for MSC Industrial Direct Co., Inc. Common Stock (MSM)

Key filing fact

AMERICAN CENTURY INVESTMENT MANAGEMENT INC disclosed 5.1% ownership in MSC Industrial Direct Co., Inc. Common Stock (MSM) on 31 Dec 2025.

Key facts

AMERICAN CENTURY INVESTMENT MANAGEMENT INC filed SCHEDULE 13G for MSC Industrial Direct Co., Inc. Common Stock (MSM).
Disclosed ownership: 5.1%.
Date of event: 31 Dec 2025.

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.

Reporting persons

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares Owned	sole voting power	Signature	Title
American Century Investment Management, Inc.	5.1%	2,837,642	2,731,346	American Century Investment Management, Inc.	/s/ John Pak / Senior Vice President
American Century Companies, Inc.	5.1%	2,837,642	2,731,346	American Century Companies, Inc.	/s/ John Pak / Senior Vice President
Stowers Institute for Medical Research	5.1%	2,837,642	2,731,346	Stowers Institute for Medical Research	/s/ Joselyn Verschelden / Authorized Signer

CIK / CUSIP context first

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