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

Clear Street’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	$270K	Sell	25,000 -52,452	-68%	-$570K	﹤0.01%	676
2026 Q1	$806K	Buy	77,452 +73,257	+1,746%	+$770K	﹤0.01%	393
2025 Q4	$43.5K	Sell	4,195 -25,000	-86%	-$259K	﹤0.01%	639
2025 Q3	$298K	Sell	29,195 -8,339	-22%	-$85.2K	﹤0.01%	329
2025 Q2	$384K	Buy	+37,534	New	+$378K	﹤0.01%	179

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

Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return

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

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 New York $138B AUM 41.87% 1-Year Est. Return

Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return

Shay Capital New York $1.56B AUM 46.17% 1-Year Est. Return

Clear Street's ATII Position: Q2 2026 in Review

Clear Street reduced its Archimedes Tech SPAC Partners II Co (ATII) stake by 68% in Q2 2026, selling an estimated $570K and leaving 25,000 shares worth $270K. The position accounts for ﹤0.01% of the portfolio, ranked #676.

Clear Street first reported a position in ATII in Q2 2025 and has held it in 5 quarters since. The position peaked at $806K in Q1 2026. 50 funds tracked by Wall St. Rank hold ATII as of Q2 2026.

Clear Street held 25,000 shares of Archimedes Tech SPAC Partners II Co worth $270K as of Q2 2026.
Clear Street sold 52,452 Archimedes Tech SPAC Partners II Co shares in Q2 2026, an estimated $570K.
Archimedes Tech SPAC Partners II Co made up ﹤0.01% of Clear Street's portfolio in Q2 2026, its #676 holding.
Clear Street first reported a position in Archimedes Tech SPAC Partners II Co in Q2 2025 and has held it in 5 quarters since.
Clear Street's Archimedes Tech SPAC Partners II Co position peaked at $806K in Q1 2026.
50 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co as of Q2 2026.

Based on Clear Street's 13F filing for Q2 2026, filed 12 Aug 2026.