SilverBox Corp IV (SBXD) Institutional Ownership

Ownership Summary

SilverBox Corp IV (NYSE:SBXD) currently has 45 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• These investors collectively held 92.5% of the company's total shares outstanding in December 2025, down from 98.2% in September 2025.
• In percentage terms, this reflects as a holdings change of 11.02% quarter on quarter, and an increase of 73.08% year over year.
• During the quarter, 15 institutions bought more SilverBox Corp IV shares, 9 sold shares, and 21 of the 45 total investors held their position steady.
• The total number of shares held by institutions in SilverBox Corp IV increased to 19.65Mn as of December 2025, a net change of up by 1.95Mn shares quarter on quarter, and up 4.94Mn shares year over year.
• The top institutional stake in SilverBox Corp IV as of December 31, 2025 belongs to LINDEN ADVISORS LP, which owns 2.00Mn shares, or 9.41% of the company.
• Among the most significant buyers of SilverBox Corp IV during December 2025 were MIZUHO SECURITIES USA LLC (1.35Mn), BERKLEY W R CORP (1.04Mn), Crossingbridge Advisors, LLC (637.73K), RiverPark Advisors, LLC (587.73K), ARISTEIA CAPITAL, L.L.C. (336.12K).
• Leading sellers of SilverBox Corp IV stock in December 2025 included Polar Asset Management Partners Inc. (1.58Mn), TORONTO DOMINION BANK (779.94K), DLD Asset Management, LP (148.76K), METEORA CAPITAL, LLC (80.00K), CITADEL ADVISORS LLC (36.08K).
• The top 10 institutional holders of SilverBox Corp IV for the quarter ending December 2025 included LINDEN ADVISORS LP (2.00Mn), MIZUHO SECURITIES USA LLC (1.65Mn), Polar Asset Management Partners Inc. (1.38Mn), AQR Arbitrage LLC (1.35Mn), BERKLEY W R CORP (1.21Mn), D. E. Shaw & Co., Inc. (989.40K), MMCAP International Inc. SPC (980.00K), WOLVERINE ASSET MANAGEMENT LLC (972.11K), PICTON MAHONEY ASSET MANAGEMENT (824.90K), Governors Lane LP (753.18K).