SCHEDULE: Wellington Management Discloses 4.3% Stake in Belden

Wellington Management Group LLP and its affiliates reported a 4.3% beneficial ownership stake in Belden Inc. common stock as of June 30, 2025.

Summary

• Wellington Management Group LLP, Wellington Group Holdings LLP, and Wellington Investment Advisors Holdings LLP collectively reported beneficial ownership of 1,706,201 shares of Belden Inc. common stock.
• This beneficial ownership represents 4.3% of Belden Inc.'s outstanding common stock.
• The reporting entities hold shared voting power over 1,125,542 shares and shared dispositive power over 1,706,201 shares.
• The filing is an Amendment No. 1 to a Schedule 13G, indicating an update to a previously reported beneficial ownership position.
• The securities are owned of record by clients of investment advisers indirectly owned by Wellington Management Group LLP, with no single client known to have the right or power over more than five percent of this class of securities.
• The filing certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing the control of Belden Inc.

Sentiment

Score: 5

Explanation: Neutral, as this is a routine disclosure of passive beneficial ownership by an institutional investor, not indicative of positive or negative company performance or strategic shifts.

Industry Context

This filing reflects a routine passive investment position by a major asset manager in a publicly traded company, which is a common practice for institutional investors managing diversified client portfolios. It provides transparency regarding significant institutional holdings in the market.

Stakeholder Impact

• Shareholders: Provides transparency regarding a significant institutional holder's passive stake in the company, confirming a large investor's continued presence.

Key Dates

Keywords

Belden Inc., Wellington Management, Schedule 13G, Beneficial Ownership, Common Stock, Institutional Investor, SEC Filing