Blue Water Acquisition Corp. IV BWIV Institutional Ownership

Updated Oct 10, 2026

Blue Water Acquisition Corp. IV (NYSE:BWIV) had 34 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

• These investors held 27.73% of Blue Water Acquisition Corp. IV's outstanding shares at the end of Q2 2026.
• Combined, institutional investors held 9.85Mn shares of BWIV as of Q2 2026.
• Adage Capital Partners GP, L.L.C. was the top holder of Blue Water Acquisition Corp. IV as of June 30, 2026, with 1.12Mn shares, or 3.17% of shares outstanding.
• Per Business Quant data, the 10 largest holders of Blue Water Acquisition Corp. IV at the end of Q2 2026 were Adage Capital Partners GP, L.L.C. (1.12Mn shares), Magnetar Financial LLC (950K shares), Wealthspring Capital LLC (636.32K shares), Linden Advisors LP (625K shares), Alberta Investment Management Corp (600K shares), Rivernorth Capital Management, LLC (500K shares), Healthcare of Ontario Pension Plan Trust Fund (500K shares), Millennium Management LLC (475K shares), Commonwealth of Pennsylvania Public School Empls Retrmt SYS (400K shares) and Whitebox Advisors LLC (350K shares).