AA
ATII

AQR Arbitrage’s Archimedes Tech SPAC Partners II Co ATII Stock Holding History

AQR Arbitrage’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
Q1 		$9.58M Sell
920,672
-43,710
-5% -$459K 0.16% 157
2025
Q4 		$9.99M Hold
964,382
– – 0.21% 138
2025
Q3 		$9.85M Sell
964,382
-5,000
-0.5% -$51.1K 0.25% 141
2025
Q2 		$9.92M Buy
+969,382
New +$9.77M 0.23% 133

Other funds holding ATII

TCM
Tenor Capital Management New York $6.49B AUM 3.01% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $9.84B AUM 190.64% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $45.4B AUM 60.68% 1-Year Est. Return
GCM
Ghisallo Capital Management Boston, Massachusetts $3.63B AUM 30.51% 1-Year Est. Return
GL
Governors Lane New York $1.56B AUM 30.42% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $16.7B AUM 23.27% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

AQR Arbitrage's ATII Position: Q1 2026 in Review

AQR Arbitrage reduced its Archimedes Tech SPAC Partners II Co (ATII) stake by 4.5% in Q1 2026, selling an estimated $459K and leaving 920,672 shares worth $9.58M. The position accounts for 0.16% of the portfolio, ranked #157.

AQR Arbitrage first reported a position in ATII in Q2 2025 and has held it in 4 quarters since. The position peaked at $9.99M in Q4 2025. 54 funds tracked by Wall St. Rank hold ATII as of Q1 2026.

  • AQR Arbitrage held 920,672 shares of Archimedes Tech SPAC Partners II Co worth $9.58M as of Q1 2026.
  • AQR Arbitrage sold 43,710 Archimedes Tech SPAC Partners II Co shares in Q1 2026, an estimated $459K.
  • Archimedes Tech SPAC Partners II Co made up 0.16% of AQR Arbitrage's portfolio in Q1 2026, its #157 holding.
  • AQR Arbitrage first reported a position in Archimedes Tech SPAC Partners II Co in Q2 2025 and has held it in 4 quarters since.
  • AQR Arbitrage's Archimedes Tech SPAC Partners II Co position peaked at $9.99M in Q4 2025.
  • 54 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co as of Q1 2026.

Based on AQR Arbitrage's 13F filing for Q1 2026, filed 15 May 2026.