BlackRock, Inc. filed Amendment No. 3 to its Schedule 13G with the SEC on October 27, 2026, disclosing beneficial ownership of 19,587,246 shares of Option Care Health, Inc. common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: BlackRock reported beneficial ownership of 19,587,246 shares of Option Care Health common stock, representing 13.1% of the class.
  • Sole voting power: BlackRock disclosed sole voting power over 19,143,612 shares, with no shared voting power reported.
  • Sole dispositive power: BlackRock reported sole dispositive power over 19,587,246 shares, with no shared dispositive power reported.
  • Triggering event date: The date of the event requiring this filing was September 30, 2026.
  • Filing classification: BlackRock is identified as a parent holding company (type HC), incorporated in Delaware, with principal offices at 50 Hudson Yards, New York, NY 10001.
  • No controlling interest: The filing states that no single person's interest in Option Care Health common stock exceeds five percent of total outstanding common shares among those with rights to dividends or sale proceeds.

BlackRock's Amended Beneficial Ownership Position in Option Care Health

BlackRock, Inc. submitted Amendment No. 3 to its Schedule 13G regarding its holdings in Option Care Health, Inc. (CUSIP 68404L201), whose principal executive offices are located at 3000 Lakeside Dr, Suite 300N, Bannockburn, Illinois, 60015. According to the filing, the triggering event date was September 30, 2026, and the document was signed by Spencer Fleming, Managing Director, on October 27, 2026.

The filing discloses that BlackRock beneficially owned 19,587,246 shares of Option Care Health common stock, equal to 13.1% of the class, as of the event date. Of that total, BlackRock reported sole voting power over 19,143,612 shares. Shared voting power and shared dispositive power were each reported as zero. The filing notes, in accordance with SEC Release No. 34-39538 (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, if any, held by other business units whose beneficial ownership is disaggregated from the Reporting Business Units under that release.

On the question of beneficial ownership held on behalf of others, the filing states that "various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of Option Care Health, Inc." but that no one person's interest exceeds five percent of the total outstanding common shares. BlackRock's subsidiary information is referenced in Exhibit 99 attached to the filing. The filing also certifies that the 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."

What Was Disclosed

BlackRock, Inc. disclosed, via Amendment No. 3 to Schedule 13G filed October 27, 2026, that it beneficially owned 19,587,246 shares of Option Care Health, Inc. common stock, representing 13.1% of the class, as of September 30, 2026.