BlackRock Portfolio Management LLC filed an amended Schedule 13G with the SEC on November 4, 2026, disclosing a beneficial ownership stake of 10.1% in Amerisafe Inc as of October 31, 2026.

Key Highlights

  • Aggregate beneficial ownership: 1,876,788 shares of Amerisafe Inc common stock, representing 10.1% of the class.
  • Sole voting power: BlackRock Portfolio Management LLC reported sole voting power over 1,760,250 shares.
  • Sole dispositive power: The filing disclosed sole dispositive power over all 1,876,788 shares, with no shared voting or dispositive power reported.
  • Third-party interest: The filing identifies one person, "Aperio Aggregated Positions for AUM/Thresholds with Proxy Voting Rights," as having more than five percent of the total outstanding common stock interest.
  • Event date: The date of the event requiring this filing is stated as October 31, 2026.
  • Filer classification: BlackRock Portfolio Management LLC is classified as a holding company (HC), organized in Delaware, with its principal office at 50 Hudson Yards, New York, NY 10001.

BlackRock Portfolio Management's Amended 13G Filing on Amerisafe Common Stock

BlackRock Portfolio Management LLC, a Delaware-organized entity classified as a holding company, filed Amendment No. 1 to its Schedule 13G regarding Amerisafe Inc (NASDAQ:AMSF) on November 4, 2026. According to the filing, the event triggering the amendment occurred on October 31, 2026. The filing covers shares of Amerisafe's common stock, identified by CUSIP number 03071H100. Amerisafe's principal executive offices are listed in the filing as 2301 Highway 190 West, DeRidder, LA 70634.

The filing reports aggregate beneficial ownership of 1,876,788 shares, equal to 10.1% of the outstanding class. Of those shares, BlackRock Portfolio Management LLC reported sole voting power over 1,760,250 shares and sole dispositive power over the full 1,876,788 shares. Shared voting power and shared dispositive power are each reported as zero. The filing notes, in accordance with SEC Release No. 34-39538 dated January 12, 1998, that the Schedule 13G "reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the 'Reporting Business Units') of BlackRock, Inc. and its subsidiaries and affiliates" and does not include securities beneficially owned by other business units whose beneficial ownership is disaggregated from the Reporting Business Units under that release.

Under Item 6, the filing discloses that one person, identified as "Aperio Aggregated Positions for AUM/Thresholds with Proxy Voting Rights," holds an interest in Amerisafe's common stock exceeding five percent of the total outstanding shares. The filing was signed by Spencer Fleming, Managing Director, on behalf of BlackRock Portfolio Management LLC. Supporting exhibits include a Power of Attorney (Exhibit 24) and an Item 7 subsidiary identification exhibit (Exhibit 99).

What Was Disclosed

BlackRock Portfolio Management LLC filed an amended Schedule 13G disclosing beneficial ownership of 1,876,788 shares, or 10.1%, of Amerisafe Inc common stock as of October 31, 2026, with sole voting power over 1,760,250 of those shares and no shared voting or dispositive power.