MF
OYSER

Magnetar Financial’s Oyster Enterprises II Acquisition Corp Rights OYSER Stock Holding History

Magnetar Financial’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
Q1 		$221K Hold
1,300,000
– – ﹤0.01% 867
2025
Q4 		$260K Hold
1,300,000
– – ﹤0.01% 733
2025
Q3 		$221K Buy
+1,300,000
New +$221K ﹤0.01% 757

Other funds holding OYSER

MC
Meteora Capital Boca Raton, Florida $1.36B AUM 21.19% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
HCI
Harraden Circle Investments New York $499M AUM 24.03% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $45.4B AUM 60.68% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
TCM
Tenor Capital Management New York $6.49B AUM 3.01% 1-Year Est. Return
PMAM
Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 50.48% 1-Year Est. Return
CL
CSS LLC Chicago, Illinois $2.09B AUM 59.56% 1-Year Est. Return

Magnetar Financial's OYSER Position: Q1 2026 in Review

Magnetar Financial held its Oyster Enterprises II Acquisition Corp Rights (OYSER) position steady in Q1 2026 at 1,300,000 shares worth $221K. The position accounts for ﹤0.01% of the portfolio, ranked #867.

Magnetar Financial first reported a position in OYSER in Q3 2025 and has held it in 3 quarters since. The position peaked at $260K in Q4 2025. 44 funds tracked by Wall St. Rank hold OYSER as of Q1 2026.

  • Magnetar Financial held 1,300,000 shares of Oyster Enterprises II Acquisition Corp Rights worth $221K as of Q1 2026.
  • Magnetar Financial left its Oyster Enterprises II Acquisition Corp Rights share count unchanged in Q1 2026.
  • Oyster Enterprises II Acquisition Corp Rights made up ﹤0.01% of Magnetar Financial's portfolio in Q1 2026, its #867 holding.
  • Magnetar Financial first reported a position in Oyster Enterprises II Acquisition Corp Rights in Q3 2025 and has held it in 3 quarters since.
  • Magnetar Financial's Oyster Enterprises II Acquisition Corp Rights position peaked at $260K in Q4 2025.
  • 44 funds tracked by Wall St. Rank held Oyster Enterprises II Acquisition Corp Rights as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.