M3-Brigade Acquisition Class AMBVI

13F holders, Q1 2026 (March 31)
67holders +7
11new positions
5sold out
2famous investors
$10.05avg. 13F price*

At the end of Q1 2026, 67 institutions reported holding M3-Brigade Acquisition Class A (MBVI) in their 13F filings, up 7 from Q4 2025. 11 opened new positions and 5 sold out. The largest holders were Highbridge Capital Management LLC ($14.8M), Alberta Investment Management Corp ($14.6M) and Meteora Capital, LLC ($12.6M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
M3-Brigade Acquisition Class A
CUSIP
G63221108
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q4 2025: 60Q4 2025Q1 2026: 67Q1 2026Q2 2026: 70Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions11$26.4M
Exits5$3.2M

All 13F filers, Q4 2025 → Q1 2026: 3,549,976 shares bought and 1,173,976 shares sold, net +2,376,000 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 67 holders

Highbridge Capital Management LLC 1.43% No change 1,470,000 $14.8M
Alberta Investment Management Corp 0.10% No change 1,450,000 $14.6M
Meteora Capital, LLC 0.94% Add +91.8% 1,253,752 $12.6M
PEAK6 LLC 0.36% No change 1,250,000 $12.6M
Linden Advisors LP 0.64% No change 1,100,000 $11.1M
Magnetar Financial LLC 0.12% New 1,099,995 $11.1M
AQR Arbitrage LLC 0.22% Reduce -3.6% 1,100,131 $11.1M
MMCAP International Inc. SPC 0.96% No change 1,100,000 $11.1M
TENOR CAPITAL MANAGEMENT Co., L.P. 0.75% No change 1,100,000 $11.1M
Polar Asset Management Partners Inc. 0.36% No change 1,100,000 $11.1M
Picton Mahoney Asset Management 0.12% No change 1,099,998 $11.1M
HighTower Advisors, LLC 0.01% Reduce -4.5% 1,082,900 $10.9M
Glazer Capital, LLC 0.24% Reduce -5.6% 1,073,671 $10.8M
Adage Capital Partners Gp, L.L.C. 0.02% No change 1,000,000 $10.1M
Two Sigma Investments, LP 0.01% No change 994,317 $10.0M
Healthcare of Ontario Pension Plan Trust Fund 0.01% Reduce -22.7% 849,998 $8.6M
Verition Fund Management LLC 0.09% Reduce -4.0% 842,415 $8.5M
Context Capital Management, LLC 2.16% No change 791,300 $8.0M
Radcliffe Capital Management, L.P. 0.73% Add +0.5% 638,843 $6.4M
Hudson Bay Capital Management LP 0.04% Add +9.1% 600,000 $6.0M
OMERS ADMINISTRATION Corp 0.04% No change 600,000 $6.0M
Wealthspring Capital LLC 1.33% Reduce -1.6% 548,807 $5.5M
Wolverine Asset Management LLC 0.28% Add +63.8% 524,281 $5.3M
Mint Tower Capital Management B.V. 1.09% No change 500,000 $5.0M
Shaolin Capital Management LLC 0.53% Reduce -8.8% 475,000 $4.8M
BNP Paribas Financial Markets 0.00% Add +12.1% 401,475 $4.0M
First Trust Capital Management L.P. 0.21% Reduce -0.1% 399,701 $4.0M
Rivernorth Capital Management, LLC 0.20% New 399,510 $4.0M
Periscope Capital Inc. 0.69% Reduce -25.0% 375,000 $3.8M
Sona Asset Management (us) LLC 0.21% New 363,069 $3.6M
Aristeia Capital, L.L.C. 0.14% No change 350,000 $3.5M
BlueCrest Capital Management Ltd 0.47% New 337,000 $3.4M
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.02% No change 300,000 $3.0M
GABELLI & Co INVESTMENT ADVISERS, INC. 0.40% No change 269,400 $2.7M
Davidson Kempner Capital Management LP 0.07% No change 250,000 $2.5M
O'Connor Alternative Investments LLC 0.14% — 250,000 $2.5M
Berkley W R Corp. 0.13% No change 242,244 $2.4M
Gabelli Funds LLC 0.02% No change 230,600 $2.3M
Moore Capital Management, LP 0.08% No change 200,000 $2.0M
Millennium Management 0.00% Add +15.6% 182,950 $1.8M
Lineage Point Capital LP 0.42% No change 171,000 $1.7M
Whitebox Advisors LLC 0.08% No change 150,000 $1.5M
D. E. Shaw & Co. 0.00% New 134,493 $1.4M
Schonfeld Strategic Advisors LLC 0.01% New 121,362 $1.2M
TIG Advisors, LLC 0.05% No change 100,000 $1.0M
Ghisallo Capital Management LLC 0.03% No change 100,000 $1.0M
K2 Principal Fund, L.P. 0.31% No change 100,000 $1.0M
Bulldog Investors, LLP 0.23% No change 100,000 $1.0M
Toronto Dominion Bank 0.00% Reduce -45.2% 91,645 $921K
Parallax Volatility Advisers, L.P. 0.05% New 80,199 $808K
Kryger Capital LLC 0.06% — 78,712 $791K
Clear Street Group Inc. 0.00% Reduce -66.8% 75,321 $757K
Virtu Financial LLC 0.02% Reduce -9.4% 51,164 $515K
Governors Lane LP 0.06% No change 50,000 $503K
Boothbay Fund Management, LLC 0.01% Reduce -6.8% 46,201 $464K
StoneX Group Inc. 0.02% New 42,600 $428K
Centiva Capital, LP 0.01% No change 24,999 $251K
Deltec Asset Management LLC 0.05% No change 25,000 $251K
Abc Arbitrage SA 0.03% No change 25,000 $251K
UBS Group AG 0.00% Add +11.5% 24,641 $248K
Kepos Capital LP 0.40% New 23,598 $237K
Evercore Wealth Management, LLC 0.00% No change 15,999 $161K
Susquehanna International Group, LLP 0.00% No change 14,964 $151K
PenderFund Capital Management Ltd. 0.05% New 10,387 $104K
State of Wisconsin Investment Board 0.00% No change 10,000 $101K
Timelo Investment Management Inc. 0.14% New 10,000 $101K
Morgan Stanley 0.00% Reduce -39.1% 56 $563

"% of holder's portfolio" is MBVI's weight in each manager's 13F, not the share of M3-Brigade Acquisition Class A the manager owns.