Quartzsea Acquisition CORP Schedule 13G passive stakes

Mizuho Financial Group, Inc. has disclosed beneficial ownership of 8.0% of Quartzsea Acquisition Corporation's common shares as of June 30, 2026.

W. R. Berkley Corporation and Berkley Insurance Company have disclosed beneficial ownership of 900,000 Class A ordinary shares in Quartzsea Acquisition Corp, representing 8.9% of the class.

Wolverine Asset Management, LLC and affiliated entities have reported beneficial ownership of 4.89% of Quartzsea Acquisition Corporation's ordinary shares as of June 30, 2026.

Feis Equities LLC and Lawrence M. Feis have jointly reported beneficial ownership of 600,132 ordinary shares, representing 5.26% of the outstanding shares of Quartzsea Acquisition Corp.

Karpus Management, Inc. has filed a Schedule 13G reporting an 8.54% beneficial ownership stake in Quartzsea Acquisition Corp.

Mizuho Financial Group, Inc. has reported a 5.6% beneficial ownership stake in Quartzsea Acquisition Corporation, holding 641,777 common shares.

Wolverine Asset Management and affiliated entities have reported a passive 5.12% beneficial ownership stake in Quartzsea Acquisition Corp, totaling 584,505 ordinary shares.

Harraden Circle Investments and related entities have fully divested their Class A Common Stock holdings in Quartzsea Acquisition Corp, reducing their beneficial ownership to zero percent.

TD Securities (USA) LLC, along with its parent entities, reported a 2.5% beneficial ownership stake in Quartzsea Acquisition Corporation's ordinary shares.

Karpus Management, Inc. has filed a Schedule 13G, revealing a beneficial ownership of 2,368,775 common shares, representing 20.76% of Quartzsea Acquisition Corp.

Feis Equities LLC and Lawrence M. Feis have disclosed a passive 4.25% ownership stake in Quartzsea Acquisition Corp., holding 484,963 ordinary shares.

TD Securities (USA) LLC, along with its parent entities, has filed a Schedule 13G disclosing beneficial ownership of 7.4% of Quartzsea Acquisition Corporation's ordinary shares.

Mizuho Financial Group, Inc. has reported a 9.0% beneficial ownership stake in Quartzsea Acquisition Corporation, holding 856,000 common shares as of March 31, 2025.

Feis Equities LLC and Lawrence M. Feis have disclosed a passive beneficial ownership of 9.84% of Quartzsea Acquisition Corp's Ordinary Shares, totaling 814,797 shares.

Harraden Circle Investments, LLC and affiliated entities, including Frederick V. Fortmiller, Jr., have disclosed a collective beneficial ownership of 8.71% of Quartzsea Acquisition Corp's Class A Common Stock.