MF
ATIIW

Magnetar Financial’s Archimedes Tech SPAC Partners II Co Warrant ATIIW Stock Holding History

Magnetar Financial’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
Q1 		$332K Hold
650,000
– – ﹤0.01% 742
2025
Q4 		$357K Hold
650,000
– – ﹤0.01% 639
2025
Q3 		$241K Hold
650,000
– – ﹤0.01% 736
2025
Q2 		$251K Buy
+650,000
New +$201K ﹤0.01% 746

Other funds holding ATIIW

MTCM
Mint Tower Capital Management Amsterdam, Netherlands $1.12B AUM 18.84% 1-Year Est. Return
HCI
Harraden Circle Investments New York $499M AUM 19.71% 1-Year Est. Return
TCM
Tenor Capital Management New York $6.49B AUM 3% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $62.2B AUM 31.35% 1-Year Est. Return
SCM
Shaolin Capital Management Miami, Florida $2.71B AUM 64.57% 1-Year Est. Return
CL
CSS LLC Chicago, Illinois $2.09B AUM 58.96% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 26.7% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $45.4B AUM 60.47% 1-Year Est. Return

Magnetar Financial's ATIIW Position: Q1 2026 in Review

Magnetar Financial held its Archimedes Tech SPAC Partners II Co Warrant (ATIIW) position steady in Q1 2026 at 650,000 shares worth $332K. The position accounts for ﹤0.01% of the portfolio, ranked #742.

Magnetar Financial first reported a position in ATIIW in Q2 2025 and has held it in 4 quarters since. The position peaked at $357K in Q4 2025. 36 funds tracked by Wall St. Rank hold ATIIW as of Q1 2026.

  • Magnetar Financial held 650,000 shares of Archimedes Tech SPAC Partners II Co Warrant worth $332K as of Q1 2026.
  • Magnetar Financial left its Archimedes Tech SPAC Partners II Co Warrant share count unchanged in Q1 2026.
  • Archimedes Tech SPAC Partners II Co Warrant made up ﹤0.01% of Magnetar Financial's portfolio in Q1 2026, its #742 holding.
  • Magnetar Financial first reported a position in Archimedes Tech SPAC Partners II Co Warrant in Q2 2025 and has held it in 4 quarters since.
  • Magnetar Financial's Archimedes Tech SPAC Partners II Co Warrant position peaked at $357K in Q4 2025.
  • 36 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners II Co Warrant as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.