Gritstone Asset Management’s M3-Brigade Acquisition V Corp MBAV Stock Holding History

Gritstone Asset Management’s Portfolio MBAV Stock Details MBAV Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-406,203	Closed	-$4.59M	–	133
2025 Q2	$4.59M	Hold	406,203	–	–	4.54%	3
2025 Q1	$4.16M	Sell	406,203 -1,369	-0.3%	-$13.9K	4.37%	4
2024 Q4	$4.1M	Buy	+407,572	New	+$4.09M	4.34%	5

Other funds holding MBAV

HCI

Harraden Circle Investments New York $499M AUM 24.03% 1-Year Est. Return

AIMCA

Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $16.7B AUM 23.27% 1-Year Est. Return

MMCAP International Grand Cayman, Cayman Islands $1.16B AUM 77.9% 1-Year Est. Return

Meteora Capital Boca Raton, Florida $1.36B AUM 21.19% 1-Year Est. Return

Magnetar Financial Evanston, Illinois $9.84B AUM 190.64% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

PAMP

Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 1-Year Est. Return

TCM

Tenor Capital Management New York $6.49B AUM 3.01% 1-Year Est. Return

PMAM

Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 50.48% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return

Gritstone Asset Management's MBAV Position: Q3 2025 in Review

Gritstone Asset Management sold out of M3-Brigade Acquisition V Corp (MBAV) in Q3 2025, closing a stake of 406,203 shares — an estimated $4.59M sold.

Gritstone Asset Management first reported a position in MBAV in Q4 2024 and held it in 3 quarters. The position peaked at $4.59M in Q2 2025. 61 funds tracked by Wall St. Rank hold MBAV as of Q3 2025.

Gritstone Asset Management reported no remaining M3-Brigade Acquisition V Corp position as of Q3 2025 after selling out during the quarter.
Gritstone Asset Management sold 406,203 M3-Brigade Acquisition V Corp shares in Q3 2025, an estimated $4.59M.
Gritstone Asset Management first reported a position in M3-Brigade Acquisition V Corp in Q4 2024 and held it in 3 quarters.
Gritstone Asset Management's M3-Brigade Acquisition V Corp position peaked at $4.59M in Q2 2025.
61 funds tracked by Wall St. Rank held M3-Brigade Acquisition V Corp as of Q3 2025.

Based on Gritstone Asset Management's 13F filing for Q3 2025, filed 4 Nov 2025.