OCAI
ATII

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

O'Connor Alternative Investments’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
2026
Q2 		– Sell
-200,000
Closed -$2.09M – 182
2026
Q1 		$2.09M Buy
+200,000
New +$2.1M 0.11% 63

Other funds holding ATII

TCM
Tenor Capital Management New York $7.09B AUM 3.56% 1-Year Est. Return
FBCM
Fort Baker Capital Management Larkspur, California $1.37B AUM 26.9% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
DAM
Decagon Asset Management London, United Kingdom $525M AUM 50.51% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.46% 1-Year Est. Return
GCM
Ghisallo Capital Management Boston, Massachusetts $5.1B AUM 39.12% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
SC
Shay Capital New York $1.56B AUM 46.17% 1-Year Est. Return
GL
Governors Lane New York $1.2B AUM 26.22% 1-Year Est. Return

O'Connor Alternative Investments's ATII Position: Q2 2026 in Review

O'Connor Alternative Investments sold out of Archimedes Tech SPAC Partners II Co (ATII) in Q2 2026, closing a stake of 200,000 shares — an estimated $2.09M sold.

O'Connor Alternative Investments first reported a position in ATII in Q1 2026 and held it in 1 quarter. The position peaked at $2.09M in Q1 2026. 41 funds tracked by Wall St. Rank hold ATII as of Q2 2026.

  • O'Connor Alternative Investments reported no remaining Archimedes Tech SPAC Partners II Co position as of Q2 2026 after selling out during the quarter.
  • O'Connor Alternative Investments sold 200,000 Archimedes Tech SPAC Partners II Co shares in Q2 2026, an estimated $2.09M.
  • O'Connor Alternative Investments first reported a position in Archimedes Tech SPAC Partners II Co in Q1 2026 and held it in 1 quarter.
  • O'Connor Alternative Investments's Archimedes Tech SPAC Partners II Co position peaked at $2.09M in Q1 2026.
  • 41 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co as of Q2 2026.

Based on O'Connor Alternative Investments's 13F filing for Q2 2026, filed 14 Aug 2026.