Calamos Advisors
KEYYU

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
Q2 		$2.02M Buy
+200,000
New +$2.01M 0.01% 667

Other funds holding KEYYU

AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.57% 1-Year Est. Return
AA
ABC Arbitrage Paris, France $926M AUM 45.9% 1-Year Est. Return
LIM
Longfellow Investment Management Boston, Massachusetts $489M AUM 9.58% 1-Year Est. Return

Calamos Advisors's KEYYU Position: Q2 2026 in Review

Calamos Advisors opened a new position in Keystone Acquisition Corp Unit (KEYYU) in Q2 2026: 200,000 shares worth $2.02M. The stake represents 0.01% of the portfolio and ranks #667 among its holdings.

4 funds tracked by Wall St. Rank hold KEYYU as of Q2 2026.

  • Calamos Advisors held 200,000 shares of Keystone Acquisition Corp Unit worth $2.02M as of Q2 2026.
  • Keystone Acquisition Corp Unit was a new Calamos Advisors position in Q2 2026.
  • Keystone Acquisition Corp Unit made up 0.01% of Calamos Advisors's portfolio in Q2 2026, its #667 holding.
  • 4 funds tracked by Wall St. Rank held Keystone Acquisition Corp Unit as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.