SCHEDULE: Dimensional Fund Advisors Discloses 5.2% Passive Stake in First Interstate BancSystem

Dimensional Fund Advisors LP has reported a 5.2% passive beneficial ownership stake in First Interstate BancSystem Inc., holding 5,416,568 shares of common stock.

Summary

• Dimensional Fund Advisors LP, an investment adviser, is the reporting person for this Schedule 13G filing.
• The filing pertains to First Interstate BancSystem Inc.'s Common Stock, identified by CUSIP Number 32055Y201.
• As of June 30, 2025, Dimensional Fund Advisors LP beneficially owns an aggregate of 5,416,568 shares of First Interstate BancSystem Inc. common stock.
• This ownership represents 5.2% of the class of securities.
• Dimensional Fund Advisors LP holds sole voting power over 5,336,155 shares and sole dispositive power over 5,416,568 shares.
• 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 the issuer.
• Dimensional Fund Advisors LP disclaims beneficial ownership of these securities, as they are owned by the various Funds it advises.

Sentiment

Score: 7

Explanation: The filing indicates a significant passive investment by a major institutional investor, which can be viewed as a vote of confidence, though it provides no operational or financial updates.

Positives

• A significant institutional investor, Dimensional Fund Advisors LP, has disclosed a 5.2% stake, which can be interpreted as a vote of confidence in First Interstate BancSystem Inc.

Management Comments

• Securities were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under Rule 14a-11.

Industry Context

This filing is a routine disclosure by a large institutional investment manager, Dimensional Fund Advisors LP, regarding its passive ownership stake in First Interstate BancSystem Inc., a regional bank. Such disclosures are common in the financial industry as institutional investors manage diversified portfolios.

Stakeholder Impact

• Shareholders: Disclosure of a significant institutional investor holding 5.2% of common stock, providing transparency on the ownership structure.

Key Dates

Keywords

First Interstate BancSystem Inc, Dimensional Fund Advisors LP, Schedule 13G, Beneficial Ownership, Common Stock, Investment Adviser, Passive Investment