MF
BIII

Magnetar Financial’s Black Spade Acquisition III Co BIII Stock Holding History

Magnetar Financial’s Portfolio BIII Stock Details BIII Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$9.95M Hold
999,993
– – 0.09% 174
2026
Q1 		$9.86M Buy
+999,993
New +$9.91M 0.1% 148

Other funds holding BIII

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
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
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
FBCM
Fort Baker Capital Management Larkspur, California $1.37B AUM 26.91% 1-Year Est. Return
SAMU
SONA Asset Management (US) New York $4.76B AUM 23.76% 1-Year Est. Return
WC
Wealthspring Capital West Harrison, New York $448M AUM 8.38% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.56% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return

Magnetar Financial's BIII Position: Q2 2026 in Review

Magnetar Financial held its Black Spade Acquisition III Co (BIII) position steady in Q2 2026 at 999,993 shares worth $9.95M. The position accounts for 0.09% of the portfolio, ranked #174.

Magnetar Financial first reported a position in BIII in Q1 2026 and has held it in 2 quarters since. 40 funds tracked by Wall St. Rank hold BIII as of Q2 2026.

  • Magnetar Financial held 999,993 shares of Black Spade Acquisition III Co worth $9.95M as of Q2 2026.
  • Magnetar Financial left its Black Spade Acquisition III Co share count unchanged in Q2 2026.
  • Black Spade Acquisition III Co made up 0.09% of Magnetar Financial's portfolio in Q2 2026, its #174 holding.
  • Magnetar Financial first reported a position in Black Spade Acquisition III Co in Q1 2026 and has held it in 2 quarters since.
  • 40 funds tracked by Wall St. Rank held Black Spade Acquisition III Co as of Q2 2026.

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