Calamos Advisors
OYSER

Calamos Advisors’s Oyster Enterprises II Acquisition Corp Rights OYSER Stock Holding History

Calamos Advisors’s Portfolio OYSER Stock Details OYSER Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$16.6K Buy
+123,093
New +$16.8K ﹤0.01% 954

Other funds holding OYSER

COPPSERS
Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $20.6B AUM 37.37% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.57% 1-Year Est. Return
PC
Periscope Capital Toronto, Ontario, Canada $1.14B AUM 6.91% 1-Year Est. Return
CCM
Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return
CS
Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return
GCIA
Gabelli & Co Investment Advisers Rye, New York $688M AUM 63.4% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $15.7B AUM 36.4% 1-Year Est. Return
Walleye Capital
Walleye Capital New York $28B AUM 44.22% 1-Year Est. Return
GAM
Gritstone Asset Management Bethesda, Maryland $104M AUM 5.96% 1-Year Est. Return

Calamos Advisors's OYSER Position: Q2 2026 in Review

Calamos Advisors opened a new position in Oyster Enterprises II Acquisition Corp Rights (OYSER) in Q2 2026: 123,093 shares worth $16.6K. The stake represents ﹤0.01% of the portfolio and ranks #954 among its holdings.

10 funds tracked by Wall St. Rank hold OYSER as of Q2 2026.

  • Calamos Advisors held 123,093 shares of Oyster Enterprises II Acquisition Corp Rights worth $16.6K as of Q2 2026.
  • Oyster Enterprises II Acquisition Corp Rights was a new Calamos Advisors position in Q2 2026.
  • Oyster Enterprises II Acquisition Corp Rights made up ﹤0.01% of Calamos Advisors's portfolio in Q2 2026, its #954 holding.
  • 10 funds tracked by Wall St. Rank held Oyster Enterprises II Acquisition Corp Rights as of Q2 2026.

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