Gritstone Asset Management
ATII icon

Gritstone Asset Management’s Archimedes Tech SPAC Partners II Co ATII Stock Holding History

Gritstone Asset Management’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
-99,081
Closed -$1.03M – 184
2026
Q1 		$1.03M Hold
99,081
– – 1.1% 32
2025
Q4 		$1.03M Hold
99,081
– – 0.98% 34
2025
Q3 		$1.01M Sell
99,081
-919
-0.9% -$9.38K 1.04% 34
2025
Q2 		$1.02M Buy
+100,000
New +$1.01M 1.01% 34

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Gritstone Asset Management's ATII Position: Q2 2026 in Review

Gritstone Asset Management sold out of Archimedes Tech SPAC Partners II Co (ATII) in Q2 2026, closing a stake of 99,081 shares — an estimated $1.03M sold.

Gritstone Asset Management first reported a position in ATII in Q2 2025 and held it in 4 quarters. The position peaked at $1.03M in Q1 2026. 51 funds tracked by Wall St. Rank hold ATII as of Q2 2026.

  • Gritstone Asset Management reported no remaining Archimedes Tech SPAC Partners II Co position as of Q2 2026 after selling out during the quarter.
  • Gritstone Asset Management sold 99,081 Archimedes Tech SPAC Partners II Co shares in Q2 2026, an estimated $1.03M.
  • Gritstone Asset Management first reported a position in Archimedes Tech SPAC Partners II Co in Q2 2025 and held it in 4 quarters.
  • Gritstone Asset Management's Archimedes Tech SPAC Partners II Co position peaked at $1.03M in Q1 2026.
  • 51 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co as of Q2 2026.

Based on Gritstone Asset Management's 13F filing for Q2 2026, filed 6 Aug 2026.