PC
ATII

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

Periscope Capital’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 		$1.89M Sell
175,000
-177,880
-50% -$1.93M 0.17% 179
2026
Q1 		$3.68M Sell
352,880
-95,220
-21% -$1M 0.41% 54
2025
Q4 		$4.64M Sell
448,100
-51,900
-10% -$538K 0.53% 24
2025
Q3 		$5.12M Buy
500,000
+50,000
+11% +$511K 0.81% 16
2025
Q2 		$4.6M Buy
+450,000
New +$4.54M 1.01% 16

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

Periscope Capital's ATII Position: Q2 2026 in Review

Periscope Capital reduced its Archimedes Tech SPAC Partners II Co (ATII) stake by 50% in Q2 2026, selling an estimated $1.93M and leaving 175,000 shares worth $1.89M. The position accounts for 0.17% of the portfolio, ranked #179.

Periscope Capital first reported a position in ATII in Q2 2025 and has held it in 5 quarters since. The position peaked at $5.12M in Q3 2025. 49 funds tracked by Wall St. Rank hold ATII as of Q2 2026.

  • Periscope Capital held 175,000 shares of Archimedes Tech SPAC Partners II Co worth $1.89M as of Q2 2026.
  • Periscope Capital sold 177,880 Archimedes Tech SPAC Partners II Co shares in Q2 2026, an estimated $1.93M.
  • Archimedes Tech SPAC Partners II Co made up 0.17% of Periscope Capital's portfolio in Q2 2026, its #179 holding.
  • Periscope Capital first reported a position in Archimedes Tech SPAC Partners II Co in Q2 2025 and has held it in 5 quarters since.
  • Periscope Capital's Archimedes Tech SPAC Partners II Co position peaked at $5.12M in Q3 2025.
  • 49 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co as of Q2 2026.

Based on Periscope Capital's 13F filing for Q2 2026, filed 11 Aug 2026.