M3-Brigade Acquisition VI Corp.
MBVI- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002073928
No open-market purchases or sales by M3-Brigade Acquisition VI Corp. insiders were filed in the last 90 days; 70 institutions reported holding it in 13F filings for Q2 2026, worth $307.2M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in M3-Brigade Acquisition VI Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 67
- +8 vs. Q4 2025
- Shares held
- 29.9M
- +2.70M (+10.0%) vs. Q4 2025
- Total value
- $300.3M
- +$28.6M (+10.5%) vs. Q4 2025
- New holders
- 13
- 7 more added
- Sold out
- 5
- 14 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MBVI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 70 | $307.2M |
| Q1 2026 | 67 | $300.3M |
| Q4 2025 | 60 | $274.3M |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding M3-Brigade Acquisition VI Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Highbridge Capital Management LLC | 1,470,000 | $14.8M | 0.94% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 1,450,000 | $14.6M | 0.09% | 00.0% | Unchanged |
| Meteora Capital, LLC | 1,253,752 | $12.6M | 0.93% | +600,000+91.8% | Added |
| PEAK6 LLC | 1,250,000 | $12.6M | 0.36% | 00.0% | Unchanged |
| Linden Advisors LP | 1,100,000 | $11.1M | 0.06% | 00.0% | Unchanged |
| Magnetar Financial LLC | 1,099,995 | $11.1M | 0.11% | +1,099,995 | New |
| CNH Partners LLC | 1,100,131 | $11.1M | 0.18% | −41,693−3.7% | Reduced |
| MMCAP International Inc. SPC | 1,100,000 | $11.1M | 0.95% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,100,000 | $11.1M | 0.26% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 1,100,000 | $11.1M | 0.17% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 1,099,998 | $11.1M | 0.12% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 1,082,900 | $10.9M | 0.01% | −50,788−4.5% | Reduced |
| Glazer Capital, LLC | 1,073,671 | $10.8M | 0.23% | −63,593−5.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $10.1M | 0.02% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 994,317 | $9.99M | 0.01% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 849,998 | $8.55M | 0.01% | −250,000−22.7% | Reduced |
| Verition Fund Management LLC | 842,415 | $8.47M | 0.08% | −34,962−4.0% | Reduced |
| Context Capital Management, LLC | 791,300 | $7.96M | 0.18% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 638,843 | $6.42M | 0.48% | +2,938+0.5% | Added |
| Hudson Bay Capital Management LP | 600,000 | $6.04M | 0.04% | +50,000+9.1% | Added |
| Omers Administration Corp | 600,000 | $6.03M | 0.04% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 548,807 | $5.52M | 1.31% | −8,698−1.6% | Reduced |
| Wolverine Asset Management LLC | 524,281 | $5.27M | 0.08% | +204,283+63.8% | Added |
| Mint Tower Capital Management B.V. | 500,000 | $5.03M | 0.50% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 475,000 | $4.77M | 0.20% | −45,690−8.8% | Reduced |
| BNP Paribas Arbitrage, SA | 401,475 | $4.03M | 0.00% | +43,308+12.1% | Added |
| Vivaldi Asset Management, LLC | 399,701 | $4.02M | 0.21% | −298−0.1% | Reduced |
| Rivernorth Capital Management, LLC | 399,510 | $4.02M | 0.20% | +399,510 | New |
| Periscope Capital Inc. | 375,000 | $3.77M | 0.66% | −125,000−25.0% | Reduced |
| Sona Asset Management (US) LLC | 363,069 | $3.65M | 0.14% | +363,069 | New |
| Aristeia Capital LLC | 350,000 | $3.52M | 0.08% | 00.0% | Unchanged |
| BlueCrest Capital Management Ltd | 337,000 | $3.39M | 0.32% | +337,000 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 300,000 | $3.02M | 0.02% | 00.0% | Unchanged |
| Gabelli & Co Investment Advisers, Inc. | 269,400 | $2.71M | 0.40% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 250,000 | $2.52M | 0.04% | 00.0% | Unchanged |
| O'Connor Alternative Investments LLC | 250,000 | $2.51M | 0.13% | +250,000 | New |
| Berkley W R Corp | 242,244 | $2.44M | 0.13% | 00.0% | Unchanged |
| Gabelli Funds LLC | 230,600 | $2.32M | 0.02% | 00.0% | Unchanged |
| Moore Capital Management, LP | 200,000 | $2.01M | 0.07% | 00.0% | Unchanged |
| Millennium Management LLC | 182,950 | $1.84M | 0.00% | +24,700+15.6% | Added |
| Lineage Point Capital LP | 171,000 | $1.72M | 0.42% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 150,000 | $1.51M | 0.02% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 134,493 | $1.35M | 0.00% | +134,493 | New |
| Schonfeld Strategic Advisors LLC | 121,362 | $1.22M | 0.01% | +121,362 | New |
| Ghisallo Capital Management LLC | 100,000 | $1.01M | 0.03% | 00.0% | Unchanged |
| TIG Advisors, LLC | 100,000 | $1.01M | 0.05% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 100,000 | $1.00M | 0.11% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 100,000 | $1.00M | 0.23% | 00.0% | Unchanged |
| Toronto Dominion Bank | 91,645 | $921.0K | 0.00% | −75,655−45.2% | Reduced |
| Parallax Volatility Advisers, L.P. | 80,199 | $808.4K | 0.04% | +80,199 | New |
| Kryger Capital LLC | 78,712 | $791.1K | 0.06% | +78,712 | New |
| Clear Street Group Inc. | 75,321 | $757.0K | 0.00% | −151,922−66.9% | Reduced |
| Virtu Financial LLC | 51,164 | $515.0K | 0.02% | −5,337−9.4% | Reduced |
| Governors Lane LP | 50,000 | $502.8K | 0.06% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 46,201 | $464.3K | 0.01% | −3,349−6.8% | Reduced |
| StoneX Group Inc. | 42,600 | $428.1K | 0.02% | +42,600 | New |
| Centiva Capital, LP | 24,999 | $251.5K | 0.01% | 00.0% | Unchanged |
| Deltec Asset Management LLC | 25,000 | $251.3K | 0.05% | 00.0% | Unchanged |
| Abc Arbitrage SA | 25,000 | $251.3K | 0.03% | 00.0% | Unchanged |
| UBS Group AG | 24,641 | $247.6K | 0.00% | +2,534+11.5% | Added |
| Kepos Capital LP | 23,598 | $237.0K | 0.39% | +23,598 | New |
| Evercore Wealth Management, LLC | 15,999 | $160.8K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 14,964 | $150.5K | 0.00% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 10,387 | $104.4K | 0.02% | +10,387 | New |
| State of Wisconsin Investment Board | 10,000 | $100.5K | 0.00% | 00.0% | Unchanged |
| Timelo Investment Management Inc. | 10,000 | $100.5K | 0.14% | +10,000 | New |
| Morgan Stanley | 56 | $563 | 0.00% | −36−39.1% | Reduced |
| Mizuho Securities USA LLC | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Cable Car Capital LLC | 0 | $0 | 0.00% | −100,002−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −10,953−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| UBS Oconnor LLC | – | – | – | – | Not filed |