Calamos Advisors
PLUN.U

Calamos Advisors’s Plutonian Acquisition Corp II Units PLUN.U Stock Holding History

Calamos Advisors’s Portfolio PLUN.U Stock Details PLUN.U Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.54M Buy
+250,000
New +$2.52M 0.01% 634

Other funds holding PLUN.U

SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
WC
Wealthspring Capital West Harrison, New York $448M AUM 8.34% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return
YCM
Yakira Capital Management Westport, Connecticut $351M AUM 21.8% 1-Year Est. Return
GCIA
Gabelli & Co Investment Advisers Rye, New York $688M AUM 63.4% 1-Year Est. Return
AA
ABC Arbitrage Paris, France $926M AUM 45.9% 1-Year Est. Return
CS
Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Calamos Advisors's PLUN.U Position: Q2 2026 in Review

Calamos Advisors opened a new position in Plutonian Acquisition Corp II Units (PLUN.U) in Q2 2026: 250,000 shares worth $2.54M. The stake represents 0.01% of the portfolio and ranks #634 among its holdings.

9 funds tracked by Wall St. Rank hold PLUN.U as of Q2 2026.

  • Calamos Advisors held 250,000 shares of Plutonian Acquisition Corp II Units worth $2.54M as of Q2 2026.
  • Plutonian Acquisition Corp II Units was a new Calamos Advisors position in Q2 2026.
  • Plutonian Acquisition Corp II Units made up 0.01% of Calamos Advisors's portfolio in Q2 2026, its #634 holding.
  • 9 funds tracked by Wall St. Rank held Plutonian Acquisition Corp II Units as of Q2 2026.

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