Calamos Advisors’s Keystone Acquisition Corp Unit KEYYU Stock Holding History

Calamos Advisors’s Portfolio KEYYU Stock Details KEYYU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$2.04M	Hold	200,000	–	–	0.01%	680
2026 Q2	$2.02M	Buy	+200,000	New	+$2.01M	0.01%	667

Calamos Advisors's KEYYU Position: Q3 2026 in Review

Calamos Advisors held its Keystone Acquisition Corp Unit (KEYYU) position steady in Q3 2026 at 200,000 shares worth $2.04M. The position accounts for 0.01% of the portfolio, ranked #680.

Calamos Advisors first reported a position in KEYYU in Q2 2026 and has held it in 2 quarters since. 1 fund tracked by Wall St. Rank holds KEYYU as of Q3 2026.

Calamos Advisors held 200,000 shares of Keystone Acquisition Corp Unit worth $2.04M as of Q3 2026.
Calamos Advisors left its Keystone Acquisition Corp Unit share count unchanged in Q3 2026.
Keystone Acquisition Corp Unit made up 0.01% of Calamos Advisors's portfolio in Q3 2026, its #680 holding.
Calamos Advisors first reported a position in Keystone Acquisition Corp Unit in Q2 2026 and has held it in 2 quarters since.
1 fund tracked by Wall St. Rank held Keystone Acquisition Corp Unit as of Q3 2026.

Based on Calamos Advisors's 13F filing for Q3 2026, filed 2 Nov 2026.