Iron Horse Acquisition IRHOU Institutional Ownership

Ownership Summary

Iron Horse Acquisition II Corp. (NASDAQ:IRHOU) appears in 22 institutional 13F filings for the quarter ending March 2026.

• Their combined ownership stood at 37.4% of outstanding shares in March 2026, down from 456.2% in December 2025.
• They increased total shares held in Iron Horse Acquisition by 2.25% from the prior quarter, while the number of investors in IRHOU stayed flat year over year.
• Among the 22 funds, 6 bought more Iron Horse Acquisition shares, 5 sold down, and 11 held their ground.
• The aggregate institutional position in Iron Horse Acquisition amounted to 7.06Mn shares as of March 2026, up by 155.27K shares quarter on quarter, and with no net change year over year.
• MMCAP International Inc. SPC is the top holder of Iron Horse Acquisition as of March 31, 2026, with 1.5Mn shares representing 7.96% of outstanding stock.
• The most significant purchases of IRHOU for the quarter ending March 2026 came from O'Connor Alternative Investments LLC (100.0K), Toronto Dominion Bank (50.0K), Kepos Capital LP (40.0K), PRELUDE CAPITAL MANAGEMENT, LLC (5.0K), Stoic Point Capital Management LLC (5.0K).
• The biggest sellers of Iron Horse Acquisition for the quarter ending March 2026 included HRT FINANCIAL LP (16.64K), Lineage Point Capital LP (16.6K), Clear Street Group Inc. (7.2K), Yakira Capital Management, Inc. (3.09K), Wealthspring Capital LLC (1.36K).
• Per Business Quant data, the top 10 holders of Iron Horse Acquisition for the quarter ending March 2026 are MMCAP International Inc. SPC (1.5Mn), LMR Partners LLP (1.5Mn), Wealthspring Capital LLC (737.68K), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND (602.16K), HGC Investment Management Inc. (523.49K), TIG Advisors, LLC (400.0K), OMERS ADMINISTRATION Corp (400.0K), MILLENNIUM MANAGEMENT LLC (300.16K), BlueCrest Capital Management Ltd (175.0K), Westchester Capital Management, LLC (150.0K).