AQR Capital Management Holdings, LLC Ownership Update in IB Acquisition Corp.

This Form 3 filing by AQR Capital Management Holdings, LLC, AQR Capital Management LLC, and AQR Arbitrage LLC reports changes in ownership of IB Acquisition Corp. (IBAC) following the redemption of 10,009,120 shares of Common Stock by other company stockholders. As of September 24, 2025, the reporting entities collectively own more than 15% of the outstanding Common Stock, totaling 5,739,970 shares. The filing details various derivative and non-derivative holdings, including Rights and Common Stock, across multiple funds managed by AQR. The Rights entitle holders to one-twentieth of a share of Common Stock upon the issuer's initial business combination. The filing also includes information on Equity Swaps and the ownership structure of the reporting entities.