StoneBridge Acquisition APAC Institutional Ownership

Updated Oct 5, 2026

StoneBridge Acquisition II Corp (NASDAQ:APAC) had 28 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

• Collectively, these holders controlled 65.76% of StoneBridge Acquisition's outstanding shares in Q2 2026, up from 32.86% in Q1 2026.
• Total shares held in StoneBridge Acquisition rose 0.05% versus Q1 2026.
• Among the 28 holders of StoneBridge Acquisition, 3 added to their positions, 6 reduced their stakes and 19 left their positions unchanged.
• Altogether, institutional holders owned 5.29Mn APAC shares at the end of Q2 2026, up 2.89K from the prior quarter.
• Mizuho Securities USA LLC led 13F holders of APAC with 552.05K shares as of June 30, 2026, or 6.86% of shares outstanding.
• The biggest increases in APAC positions during Q2 2026 came from Karpus Management, Inc. (+31.57K shares) and Clear Street Group Inc. (+10.79K shares).
• Holders that trimmed the most shares of StoneBridge Acquisition in Q2 2026 while keeping a position were Glazer Capital, LLC (-24.97K shares), Shaolin Capital Management LLC (-23.14K shares), Warberg Asset Management LLC (-3.8K shares), Wolverine Asset Management LLC (-3.15K shares) and Rivernorth Capital Management, LLC (-384 shares).
• According to Business Quant data, the leading holders of APAC for Q2 2026 were Mizuho Securities USA LLC (552.05K shares), Rivernorth Capital Management, LLC (494.13K shares), Karpus Management, Inc. (465.12K shares), Wolverine Asset Management LLC (397.86K shares), Glazer Capital, LLC (360.1K shares), Clear Street Group Inc. (318.92K shares), AQR Arbitrage LLC (286.85K shares), Logan Stone Capital, LLC (252K shares), Mangrove Partners Im, LLC (225K shares) and Aristeia Capital, L.L.C. (200K shares).