M3-Brigade Acquisition Class AMBVI
13F holders, Q1 2026 (March 31)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
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 11 | $26.4M |
| Exits | 5 | $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.