Calamos Advisors’s SilverBox Corp IV Units SBXD.U Stock Holding History

Calamos Advisors’s Portfolio SBXD.U Stock Details SBXD.U Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-500,000	Closed	-$5.08M	–	992
2024 Q4	$5.08M	Hold	500,000	–	–	0.02%	514
2024 Q3	$5.01M	Buy	+500,000	New	+$5.01M	0.02%	529

Other funds holding SBXD.U

Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return

SSA

Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return

Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return

Calamos Advisors's SBXD.U Position: Q1 2025 in Review

Calamos Advisors sold out of SilverBox Corp IV Units (SBXD.U) in Q1 2025, closing a stake of 500,000 shares — an estimated $5.08M sold.

Calamos Advisors first reported a position in SBXD.U in Q3 2024 and held it in 2 quarters. The position peaked at $5.08M in Q4 2024. 5 funds tracked by Wall St. Rank hold SBXD.U as of Q1 2025.

Calamos Advisors reported no remaining SilverBox Corp IV Units position as of Q1 2025 after selling out during the quarter.
Calamos Advisors sold 500,000 SilverBox Corp IV Units shares in Q1 2025, an estimated $5.08M.
Calamos Advisors first reported a position in SilverBox Corp IV Units in Q3 2024 and held it in 2 quarters.
Calamos Advisors's SilverBox Corp IV Units position peaked at $5.08M in Q4 2024.
5 funds tracked by Wall St. Rank held SilverBox Corp IV Units as of Q1 2025.

Based on Calamos Advisors's 13F filing for Q1 2025, filed 29 Apr 2025.