SilverBox Corp IV SBXD Institutional Ownership

Updated Oct 5, 2026

SilverBox Corp IV (SBXD) was held by 49 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

• Total shares held in SBXD rose 1.15% from Q1 2026; the number of holders rose 4.26% from Q2 2025.
• Of the 49 holders, 12 added to their positions, 11 reduced their stakes and 26 left their positions unchanged in Q2 2026.
• Altogether, institutional holders owned 20.47Mn SBXD shares at the end of Q2 2026, up 233.66K from the prior quarter and up 1.36Mn from a year earlier.
• Linden Advisors LP held the largest position in SBXD at 2Mn shares as of June 30, 2026.
• The largest position increases in SBXD for Q2 2026 were by W. R. Berkley Corp (+415.55K shares), Highbridge Capital Management LLC (+102.62K shares), Meteora Capital, LLC (+86.09K shares), Toronto Dominion Bank (+71.27K shares) and Quarry LP (+58.4K shares).
• The biggest cuts to SBXD positions during Q2 2026 came from AQR Arbitrage LLC (-322.98K shares), RLH Capital LLC (-94.23K shares), DLD Asset Management, LP (-71.07K shares), Periscope Capital Inc. (-50K shares) and Crossingbridge Advisors, LLC (-48.4K shares).
• According to Business Quant data, the leading holders of SBXD for Q2 2026 were Linden Advisors LP (2Mn shares), W. R. Berkley Corp (1.93Mn shares), Mizuho Securities USA LLC (1.8Mn shares), Polar Asset Management Partners Inc. (1.51Mn shares), AQR Arbitrage LLC (1.01Mn shares), Wolverine Asset Management LLC (993.82K shares), D. E. Shaw & Co., Inc. (989.4K shares), MMCAP International Inc. SPC (980K shares), Crossingbridge Advisors, LLC (928.61K shares) and Picton Mahoney Asset Management (824.9K shares).