HCM IV Acquisition HACQU Institutional Ownership

Updated Oct 16, 2026

HCM IV Acquisition Corp. (NASDAQ:HACQU) appeared in the 13F filings of 17 institutional investors for the quarter ended June 30, 2026.

• Total holdings of HACQU shares fell 80.57% from Q1 2026.
• Of the 17 holders of HACQU in Q2 2026, 5 added to their positions, 3 reduced their stakes and 9 left their positions unchanged.
• Institutional investors held 5.39Mn shares of HCM IV Acquisition in total at the end of Q2 2026, down 22.36Mn from the prior quarter.
• LMR Partners LLP led 13F holders of HACQU with 1.4Mn shares as of June 30, 2026.
• The biggest increases in HACQU positions during Q2 2026 came from Toronto Dominion Bank (+128.01K shares), Lineage Point Capital LP (+9.16K shares), Aristeia Capital, L.L.C. (+3.8K shares), HRT Financial LP (+724 shares) and UBS Group AG (+2 shares).
• The largest position reductions in HACQU for Q2 2026 were by Glazer Capital, LLC (-926.33K shares), Mozayyx Management LLC (-298.8K shares) and Clear Street Group Inc. (-168.33K shares).
• Business Quant data shows the 10 biggest positions in HCM IV Acquisition as of Q2 2026 were held by LMR Partners LLP (1.4Mn shares), Aristeia Capital, L.L.C. (803.8K shares), Context Capital Management, LLC (750K shares), Peak6 LLC (500K shares), Toronto Dominion Bank (475K shares), Omers Administration Corp (400K shares), BlueCrest Capital Management Ltd (350K shares), Readystate Asset Management LP (175K shares), Syquant Capital Sas (150K shares) and Calamos Advisors LLC (148.01K shares).