1RT Acquisition ONCHU Institutional Ownership

Updated Oct 16, 2026

1RT Acquisition Corp. (NASDAQ:ONCHU) was held by 17 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

• Shares of ONCHU held in total fell 15.72% from Q1 2026.
• Of the 17 holders of ONCHU in Q2 2026, 3 added to their positions, 2 reduced their stakes and 12 left their positions unchanged.
• Altogether, institutional holders owned 3.16Mn ONCHU shares at the end of Q2 2026, down 588.63K from the prior quarter.
• As of June 30, 2026, Point72 Asset Management, L.P. held the largest stake in 1RT Acquisition with 1.5Mn shares.
• The biggest increases in ONCHU positions during Q2 2026 came from Citadel Advisors LLC (+2.98K shares) and HRT Financial LP (+2.14K shares).
• Holders that trimmed the most shares of 1RT Acquisition in Q2 2026 while keeping a position were Clear Street Group Inc. (-92.7K shares) and Parallax Volatility Advisers, L.P. (-1 share).
• 1RT Acquisition's 10 largest institutional shareholders as of Q2 2026 were Point72 Asset Management, L.P. (1.5Mn shares), LMR Partners LLP (700K shares), Ghisallo Capital Management LLC (250K shares), Citadel Advisors LLC (172.68K shares), Toronto Dominion Bank (102.44K shares), Peak6 LLC (75K shares), Kamunting Street Capital Management, L.P. (60K shares), JPMorgan Chase & Co (50K shares), Omers Administration Corp (49.99K shares) and HRT Financial LP (48.84K shares), per Business Quant data.