GAM
ATIIU

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

Gritstone Asset Management’s Portfolio ATIIU Stock Details ATIIU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-100,000
Closed -$1.01M – 139
2025
Q1 		$1.01M Buy
+100,000
New +$1M 1.06% 33

Other funds holding ATIIU

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Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
RCM
Rivernorth Capital Management West Palm Beach, Florida $2B AUM 0.66% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
MI
MMCAP International Grand Cayman, Cayman Islands $1.16B AUM 77.9% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
TCM
Tuttle Capital Management Riverside, Connecticut $60.8M AUM 17.47% 1-Year Est. Return
CS
Clear Street New York $24.6B AUM 56.26% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return

Gritstone Asset Management's ATIIU Position: Q2 2025 in Review

Gritstone Asset Management sold out of Archimedes Tech SPAC Partners II Co Unit (ATIIU) in Q2 2025, closing a stake of 100,000 shares — an estimated $1.01M sold.

Gritstone Asset Management first reported a position in ATIIU in Q1 2025 and held it in 1 quarter. The position peaked at $1.01M in Q1 2025. 9 funds tracked by Wall St. Rank hold ATIIU as of Q2 2025.

  • Gritstone Asset Management reported no remaining Archimedes Tech SPAC Partners II Co Unit position as of Q2 2025 after selling out during the quarter.
  • Gritstone Asset Management sold 100,000 Archimedes Tech SPAC Partners II Co Unit shares in Q2 2025, an estimated $1.01M.
  • Gritstone Asset Management first reported a position in Archimedes Tech SPAC Partners II Co Unit in Q1 2025 and held it in 1 quarter.
  • Gritstone Asset Management's Archimedes Tech SPAC Partners II Co Unit position peaked at $1.01M in Q1 2025.
  • 9 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co Unit as of Q2 2025.

Based on Gritstone Asset Management's 13F filing for Q2 2025, filed 25 Jul 2025.