MF
AACBU

Magnetar Financial’s Artius II Acquisition Inc Units AACBU Stock Holding History

Magnetar Financial’s Portfolio AACBU Stock Details AACBU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-600,000
Closed -$6.07M – 1226
2025
Q1 		$6.07M Buy
+600,000
New +$6.02M 0.08% 159

Other funds holding AACBU

HIM
HGC Investment Management Toronto, Ontario, Canada $451M AUM 8.78% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $45.4B AUM 60.68% 1-Year Est. Return
RCM
Rivernorth Capital Management West Palm Beach, Florida $2B AUM 0.66% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 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

Magnetar Financial's AACBU Position: Q2 2025 in Review

Magnetar Financial sold out of Artius II Acquisition Inc Units (AACBU) in Q2 2025, closing a stake of 600,000 shares — an estimated $6.07M sold.

Magnetar Financial first reported a position in AACBU in Q1 2025 and held it in 1 quarter. The position peaked at $6.07M in Q1 2025. 6 funds tracked by Wall St. Rank hold AACBU as of Q2 2025.

  • Magnetar Financial reported no remaining Artius II Acquisition Inc Units position as of Q2 2025 after selling out during the quarter.
  • Magnetar Financial sold 600,000 Artius II Acquisition Inc Units shares in Q2 2025, an estimated $6.07M.
  • Magnetar Financial first reported a position in Artius II Acquisition Inc Units in Q1 2025 and held it in 1 quarter.
  • Magnetar Financial's Artius II Acquisition Inc Units position peaked at $6.07M in Q1 2025.
  • 6 funds tracked by Wall St. Rank held Artius II Acquisition Inc Units as of Q2 2025.

Based on Magnetar Financial's 13F filing for Q2 2025, filed 12 Aug 2025.