UBS O'Connor’s Archimedes Tech SPAC Partners II Co ATII Stock Holding History

UBS O'Connor’s Portfolio ATII Stock Details ATII Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	$2.07M	Hold	200,000	–	–	0.06%	105
2025 Q3	$2.05M	Hold	200,000	–	–	0.07%	131
2025 Q2	$2.05M	Buy	+200,000	New	+$2.02M	0.06%	155

Other funds holding ATII

Tenor Capital Management New York $6.49B AUM 3.01% 1-Year Est. Return

Magnetar Financial Evanston, Illinois $9.83B AUM 190.64% 1-Year Est. Return

D.E. Shaw & Co New York $127B AUM 43.98% 1-Year Est. Return

Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return

Westchester Capital Management (New York) Valhalla, New York $2.07B AUM 26.02% 1-Year Est. Return

Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

LMR Partners London, United Kingdom $10.9B AUM 60.68% 1-Year Est. Return

Ghisallo Capital Management Boston, Massachusetts $3.63B AUM 30.51% 1-Year Est. Return

Governors Lane New York $801M AUM 30.42% 1-Year Est. Return