LP
ATII

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

LMR Partners’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 		$5.16M Sell
478,978
-371,022
-44% -$4.03M 0.02% 637
2026
Q1 		$8.85M Hold
850,000
– – 0.02% 469
2025
Q4 		$8.81M Hold
850,000
– – 0.02% 427
2025
Q3 		$8.68M Hold
850,000
– – 0.04% 365
2025
Q2 		$8.7M Buy
+850,000
New +$8.57M 0.06% 313

Other funds holding ATII

TCM
Tenor Capital Management New York $7.09B AUM 3.55% 1-Year Est. Return
FBCM
Fort Baker Capital Management Larkspur, California $1.37B AUM 26.91% 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 1.47% 1-Year Est. Return
GCM
Ghisallo Capital Management Boston, Massachusetts $5.1B AUM 39.13% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return
SC
Shay Capital New York $1.56B AUM 46.17% 1-Year Est. Return

LMR Partners's ATII Position: Q2 2026 in Review

LMR Partners reduced its Archimedes Tech SPAC Partners II Co (ATII) stake by 44% in Q2 2026, selling an estimated $4.03M and leaving 478,978 shares worth $5.16M. The position accounts for 0.02% of the portfolio, ranked #637.

LMR Partners first reported a position in ATII in Q2 2025 and has held it in 5 quarters since. The position peaked at $8.85M in Q1 2026. 49 funds tracked by Wall St. Rank hold ATII as of Q2 2026.

  • LMR Partners held 478,978 shares of Archimedes Tech SPAC Partners II Co worth $5.16M as of Q2 2026.
  • LMR Partners sold 371,022 Archimedes Tech SPAC Partners II Co shares in Q2 2026, an estimated $4.03M.
  • Archimedes Tech SPAC Partners II Co made up 0.02% of LMR Partners's portfolio in Q2 2026, its #637 holding.
  • LMR Partners first reported a position in Archimedes Tech SPAC Partners II Co in Q2 2025 and has held it in 5 quarters since.
  • LMR Partners's Archimedes Tech SPAC Partners II Co position peaked at $8.85M in Q1 2026.
  • 49 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co as of Q2 2026.

Based on LMR Partners's 13F filing for Q2 2026, filed 14 Aug 2026.