MF
ARCIW

Magnetar Financial’s Archimedes Tech SPAC Partners III Warrant ARCIW Stock Holding History

Magnetar Financial’s Portfolio ARCIW Stock Details ARCIW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$225K Hold
300,000
– – ﹤0.01% 900
2026
Q1 		$165K Buy
+300,000
New +$159K ﹤0.01% 928

Other funds holding ARCIW

BFM
Boothbay Fund Management New York $7.6B AUM 109.3% 1-Year Est. Return
CC
Centiva Capital New York $11.5B AUM 31.97% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.56% 1-Year Est. Return
TCM
Tenor Capital Management New York $7.09B AUM 3.55% 1-Year Est. Return
GL
Governors Lane New York $1.2B AUM 26.21% 1-Year Est. Return
KPF
K2 Principal Fund Toronto, Ontario, Canada $1.36B AUM 25.58% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
SAMU
SONA Asset Management (US) New York $4.76B AUM 23.76% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

Magnetar Financial's ARCIW Position: Q2 2026 in Review

Magnetar Financial held its Archimedes Tech SPAC Partners III Warrant (ARCIW) position steady in Q2 2026 at 300,000 shares worth $225K. The position accounts for ﹤0.01% of the portfolio, ranked #900.

Magnetar Financial first reported a position in ARCIW in Q1 2026 and has held it in 2 quarters since. 41 funds tracked by Wall St. Rank hold ARCIW as of Q2 2026.

  • Magnetar Financial held 300,000 shares of Archimedes Tech SPAC Partners III Warrant worth $225K as of Q2 2026.
  • Magnetar Financial left its Archimedes Tech SPAC Partners III Warrant share count unchanged in Q2 2026.
  • Archimedes Tech SPAC Partners III Warrant made up ﹤0.01% of Magnetar Financial's portfolio in Q2 2026, its #900 holding.
  • Magnetar Financial first reported a position in Archimedes Tech SPAC Partners III Warrant in Q1 2026 and has held it in 2 quarters since.
  • 41 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners III Warrant as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.