Vanguard Capital Management filed an amended beneficial ownership statement with the SEC on October 30, 2026, disclosing a 4.80% stake in Octave Specialty Group Inc common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Vanguard Capital Management reported 2,163,199 shares of Octave Specialty Group Inc common stock beneficially owned.
  • Percent of class: The reported stake represents 4.80% of the issuer's common stock class.
  • Sole voting power: Vanguard Capital Management holds sole voting power over 286,606 shares, with 0 shares subject to shared voting power.
  • Sole dispositive power: The filing attributes sole dispositive power over all 2,163,199 shares to Vanguard Capital Management, with no shared dispositive power reported.
  • Filing event date: The date of the event requiring this filing is reported as September 30, 2026.
  • Amendment: This is Amendment No. 1 to an earlier beneficial ownership statement for the same issuer.
  • Reporting person type: Vanguard Capital Management is classified as an investment adviser (type "IA") organized in Pennsylvania.

Vanguard Capital Management's Position in Octave Specialty Group

According to the filing, Vanguard Capital Management, headquartered at 100 Vanguard Blvd, Malvern, PA 19355, reported beneficial ownership of 2,163,199 shares of common stock in Octave Specialty Group Inc, a company whose principal executive offices are located at One World Trade Center, 41st Floor, New York, NY 10007. The filing covers common stock with CUSIP number 023139884, and the reported ownership equals 4.80% of the class. Octave Specialty Group Inc has not been assigned an exchange-listed ticker in the text of this filing.

The filing notes, in accordance with SEC Release No. 34-39538 (January 12, 1998), that the reported securities reflect those "beneficially owned, or deemed to be beneficially owned" by Vanguard Capital Management LLC and named affiliates including Vanguard Asset Management Limited, Vanguard Fiduciary Trust Company, Vanguard Global Advisers, LLC, and Vanguard Investments Australia Ltd. The filing further states that it "includes securities held by Vanguard funds, or sleeves thereof, over which Vanguard Capital Management LLC exercises dispositive power," as well as securities held by clients over which named affiliates or business divisions exercise dispositive and/or voting power. The filing specifies that securities beneficially owned by other subsidiaries or affiliates whose ownership is disaggregated under the cited release are not included.

The filing also discloses that Vanguard Capital Management, "including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein." The filing certifies that no single other person's interest in the reported securities exceeds 5%. The document was signed by My Trieu-Gatt, identified as Authorized Signatory and Head of Global Fund Administration, on October 30, 2026.

What Was Disclosed

Vanguard Capital Management filed Amendment No. 1 to its beneficial ownership statement, reporting 2,163,199 shares, or 4.80%, of Octave Specialty Group Inc common stock as of September 30, 2026, with sole dispositive power over all reported shares and sole voting power over 286,606 shares.