BlackRock Portfolio Management LLC filed an amended beneficial ownership statement with the SEC on October 27, 2026, disclosing a 13.3% position in the iShares Bitcoin Premium Income ETF as of September 30, 2026.

Key Highlights

  • Reporting person: BlackRock Portfolio Management LLC, organized in Delaware and headquartered at 50 Hudson Yards, New York, NY 10001.
  • Shares beneficially owned: 200,000 shares of common stock of the iShares Bitcoin Premium Income ETF (CUSIP 46439G108).
  • Percent of class: 13.3% of the total outstanding common stock of the issuer.
  • Voting power: Sole voting power of 0 shares; shared voting power of 0 shares.
  • Dispositive power: Sole dispositive power over all 200,000 shares; shared dispositive power of 0 shares.
  • Five-percent interest: BlackRock iShares Seed is identified as holding more than five percent of the total outstanding common stock.
  • Filing date: Signed by Spencer Fleming, Managing Director, on October 27, 2026, as Amendment No. 2.

BlackRock Portfolio Management's Position in the iShares Bitcoin Premium Income ETF

According to the filing, BlackRock Portfolio Management LLC holds 200,000 shares of common stock in the iShares Bitcoin Premium Income ETF, an exchange-traded fund whose principal executive offices are located at 400 Howard Street, San Francisco, CA 94105. The beneficial ownership figure represents 13.3% of the fund's total outstanding common stock as of the event date of September 30, 2026. The filing was submitted as Amendment No. 2 to an earlier Schedule 13G.

The filing discloses that BlackRock Portfolio Management LLC holds all 200,000 shares through sole dispositive power, with zero shares subject to shared dispositive authority or any voting power, whether sole or shared. The filing further states, consistent with SEC Release No. 34-39538, that the reported position reflects securities beneficially owned by certain business units of BlackRock, Inc. and its subsidiaries and affiliates, and does not include securities beneficially owned by other business units that are disaggregated from the reporting business units under that release.

The filing also identifies BlackRock iShares Seed as a person whose interest in the common stock of the iShares Bitcoin Premium Income ETF is more than five percent of the total outstanding common stock, pursuant to Item 6 of the Schedule 13G. The filing certifies that the securities were acquired and are held in the ordinary course of business and were not acquired for the purpose of changing or influencing the control of the issuer, as stated in Item 10 of the document.

What Was Disclosed

BlackRock Portfolio Management LLC disclosed beneficial ownership of 200,000 shares, or 13.3%, of the iShares Bitcoin Premium Income ETF's common stock as of September 30, 2026, with sole dispositive power and no voting authority over those shares.