Citadel Advisors
OYSEU

Citadel Advisors’s Oyster Enterprises II Acquisition Corp Units OYSEU Stock Holding History

Citadel Advisors’s Portfolio OYSEU Stock Details OYSEU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$137K Buy
13,262
+101
+0.8% +$1.07K ﹤0.01% 11766
2025
Q4 		$138K Sell
13,161
-58
-0.4% -$600 ﹤0.01% 11398
2025
Q3 		$135K Buy
+13,219
New +$134K ﹤0.01% 11614

Other funds holding OYSEU

Calamos Advisors
Calamos Advisors Naperville, Illinois $28.2B AUM 21.78% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
OAC
OMERS Administration Corp Toronto, Ontario, Canada $15.6B AUM 24.73% 1-Year Est. Return
CS
Clear Street New York $24.6B AUM 56.26% 1-Year Est. Return
RAM
Readystate Asset Management Chicago, Illinois $2.23B AUM 15% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Citadel Advisors's OYSEU Position: Q1 2026 in Review

Citadel Advisors increased its Oyster Enterprises II Acquisition Corp Units (OYSEU) stake by 0.77% in Q1 2026, buying an estimated $1.07K and bringing the position to 13,262 shares worth $137K. The position accounts for ﹤0.01% of the portfolio, ranked #11766.

Citadel Advisors first reported a position in OYSEU in Q3 2025 and has held it in 3 quarters since. The position peaked at $138K in Q4 2025. 8 funds tracked by Wall St. Rank hold OYSEU as of Q1 2026.

  • Citadel Advisors held 13,262 shares of Oyster Enterprises II Acquisition Corp Units worth $137K as of Q1 2026.
  • Citadel Advisors bought 101 Oyster Enterprises II Acquisition Corp Units shares in Q1 2026, an estimated $1.07K.
  • Oyster Enterprises II Acquisition Corp Units made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #11766 holding.
  • Citadel Advisors first reported a position in Oyster Enterprises II Acquisition Corp Units in Q3 2025 and has held it in 3 quarters since.
  • Citadel Advisors's Oyster Enterprises II Acquisition Corp Units position peaked at $138K in Q4 2025.
  • 8 funds tracked by Wall St. Rank held Oyster Enterprises II Acquisition Corp Units as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.