MF
BBCQ

Magnetar Financial’s Bleichroeder Acquisition Corp II BBCQ Stock Holding History

Magnetar Financial’s Portfolio BBCQ Stock Details BBCQ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$12.1M Sell
1,175,000
-124,993
-10% -$1.29M 0.11% 130
2026
Q1 		$13M Buy
+1,299,993
New +$13M 0.13% 104

Other funds holding BBCQ

FBCM
Fort Baker Capital Management Larkspur, California $1.37B AUM 26.91% 1-Year Est. Return
HCM
Highbridge Capital Management New York $4.11B AUM 26.03% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
GL
Governors Lane New York $1.2B AUM 26.21% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.56% 1-Year Est. Return
SAMU
SONA Asset Management (US) New York $4.76B AUM 23.76% 1-Year Est. Return

Magnetar Financial's BBCQ Position: Q2 2026 in Review

Magnetar Financial reduced its Bleichroeder Acquisition Corp II (BBCQ) stake by 9.6% in Q2 2026, selling an estimated $1.29M and leaving 1,175,000 shares worth $12.1M. The position accounts for 0.11% of the portfolio, ranked #130.

Magnetar Financial first reported a position in BBCQ in Q1 2026 and has held it in 2 quarters since. The position peaked at $13M in Q1 2026. 66 funds tracked by Wall St. Rank hold BBCQ as of Q2 2026.

  • Magnetar Financial held 1,175,000 shares of Bleichroeder Acquisition Corp II worth $12.1M as of Q2 2026.
  • Magnetar Financial sold 124,993 Bleichroeder Acquisition Corp II shares in Q2 2026, an estimated $1.29M.
  • Bleichroeder Acquisition Corp II made up 0.11% of Magnetar Financial's portfolio in Q2 2026, its #130 holding.
  • Magnetar Financial first reported a position in Bleichroeder Acquisition Corp II in Q1 2026 and has held it in 2 quarters since.
  • Magnetar Financial's Bleichroeder Acquisition Corp II position peaked at $13M in Q1 2026.
  • 66 funds tracked by Wall St. Rank held Bleichroeder Acquisition Corp II as of Q2 2026.

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