CL
ATIIW

CSS LLC’s Archimedes Tech SPAC Partners II Co Warrant ATIIW Stock Holding History

CSS LLC’s Portfolio ATIIW Stock Details ATIIW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$332K Sell
151,718
-335,901
-69% -$597K 0.01% 661
2026
Q1 		$249K Sell
487,619
-52,807
-10% -$36.5K 0.01% 704
2025
Q4 		$297K Buy
540,426
+7,780
+1% +$3.85K 0.01% 694
2025
Q3 		$208K Hold
532,646
– – 0.01% 759
2025
Q2 		$216K Buy
+532,646
New +$164K 0.01% 747

Other funds holding ATIIW

HCI
Harraden Circle Investments New York $784M AUM 20.59% 1-Year Est. Return
AC
Aristeia Capital Greenwich, Connecticut $7.69B AUM 15.48% 1-Year Est. Return
TCM
Tenor Capital Management New York $7.09B AUM 3.55% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.56% 1-Year Est. Return
DAM
Decagon Asset Management London, United Kingdom $525M AUM 50.51% 1-Year Est. Return

CSS LLC's ATIIW Position: Q2 2026 in Review

CSS LLC reduced its Archimedes Tech SPAC Partners II Co Warrant (ATIIW) stake by 69% in Q2 2026, selling an estimated $597K and leaving 151,718 shares worth $332K. The position accounts for 0.01% of the portfolio, ranked #661.

CSS LLC first reported a position in ATIIW in Q2 2025 and has held it in 5 quarters since. 32 funds tracked by Wall St. Rank hold ATIIW as of Q2 2026.

  • CSS LLC held 151,718 shares of Archimedes Tech SPAC Partners II Co Warrant worth $332K as of Q2 2026.
  • CSS LLC sold 335,901 Archimedes Tech SPAC Partners II Co Warrant shares in Q2 2026, an estimated $597K.
  • Archimedes Tech SPAC Partners II Co Warrant made up 0.01% of CSS LLC's portfolio in Q2 2026, its #661 holding.
  • CSS LLC first reported a position in Archimedes Tech SPAC Partners II Co Warrant in Q2 2025 and has held it in 5 quarters since.
  • 32 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co Warrant as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.