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 |
|---|---|---|---|---|---|
| Morgan Stanley | 56 | $563 | 0.00% | −36−39.1% | Reduced |
| Timelo Investment Management Inc. | 10,000 | $100.5K | 0.14% | +10,000 | New |
| State of Wisconsin Investment Board | 10,000 | $100.5K | 0.00% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 10,387 | $104.4K | 0.02% | +10,387 | New |
| Susquehanna International Group, LLP | 14,964 | $150.5K | 0.00% | 00.0% | Unchanged |
| Evercore Wealth Management, LLC | 15,999 | $160.8K | 0.00% | 00.0% | Unchanged |
| Kepos Capital LP | 23,598 | $237.0K | 0.39% | +23,598 | New |
| UBS Group AG | 24,641 | $247.6K | 0.00% | +2,534+11.5% | Added |
| 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 |
| Centiva Capital, LP | 24,999 | $251.5K | 0.01% | 00.0% | Unchanged |
| StoneX Group Inc. | 42,600 | $428.1K | 0.02% | +42,600 | New |
| Boothbay Fund Management, LLC | 46,201 | $464.3K | 0.01% | −3,349−6.8% | Reduced |
| Governors Lane LP | 50,000 | $502.8K | 0.06% | 00.0% | Unchanged |
| Virtu Financial LLC | 51,164 | $515.0K | 0.02% | −5,337−9.4% | Reduced |
| Clear Street Group Inc. | 75,321 | $757.0K | 0.00% | −151,922−66.9% | Reduced |
| Kryger Capital LLC | 78,712 | $791.1K | 0.06% | +78,712 | New |
| Parallax Volatility Advisers, L.P. | 80,199 | $808.4K | 0.04% | +80,199 | New |
| Toronto Dominion Bank | 91,645 | $921.0K | 0.00% | −75,655−45.2% | Reduced |
| 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 |
| 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 |
| Schonfeld Strategic Advisors LLC | 121,362 | $1.22M | 0.01% | +121,362 | New |
| D. E. Shaw & Co., Inc. | 134,493 | $1.35M | 0.00% | +134,493 | New |
| Whitebox Advisors LLC | 150,000 | $1.51M | 0.02% | 00.0% | Unchanged |
| Lineage Point Capital LP | 171,000 | $1.72M | 0.42% | 00.0% | Unchanged |
| Millennium Management LLC | 182,950 | $1.84M | 0.00% | +24,700+15.6% | Added |
| Moore Capital Management, LP | 200,000 | $2.01M | 0.07% | 00.0% | Unchanged |
| Gabelli Funds LLC | 230,600 | $2.32M | 0.02% | 00.0% | Unchanged |
| Berkley W R Corp | 242,244 | $2.44M | 0.13% | 00.0% | Unchanged |
| O'Connor Alternative Investments LLC | 250,000 | $2.51M | 0.13% | +250,000 | New |
| Davidson Kempner Capital Management LP | 250,000 | $2.52M | 0.04% | 00.0% | Unchanged |
| Gabelli & Co Investment Advisers, Inc. | 269,400 | $2.71M | 0.40% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 300,000 | $3.02M | 0.02% | 00.0% | Unchanged |
| BlueCrest Capital Management Ltd | 337,000 | $3.39M | 0.32% | +337,000 | New |
| Aristeia Capital LLC | 350,000 | $3.52M | 0.08% | 00.0% | Unchanged |
| Sona Asset Management (US) LLC | 363,069 | $3.65M | 0.14% | +363,069 | New |
| Periscope Capital Inc. | 375,000 | $3.77M | 0.66% | −125,000−25.0% | Reduced |
| Rivernorth Capital Management, LLC | 399,510 | $4.02M | 0.20% | +399,510 | New |
| Vivaldi Asset Management, LLC | 399,701 | $4.02M | 0.21% | −298−0.1% | Reduced |
| BNP Paribas Arbitrage, SA | 401,475 | $4.03M | 0.00% | +43,308+12.1% | Added |
| Shaolin Capital Management LLC | 475,000 | $4.77M | 0.20% | −45,690−8.8% | Reduced |
| Mint Tower Capital Management B.V. | 500,000 | $5.03M | 0.50% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 524,281 | $5.27M | 0.08% | +204,283+63.8% | Added |
| Wealthspring Capital LLC | 548,807 | $5.52M | 1.31% | −8,698−1.6% | Reduced |
| Omers Administration Corp | 600,000 | $6.03M | 0.04% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 600,000 | $6.04M | 0.04% | +50,000+9.1% | Added |
| Radcliffe Capital Management, L.P. | 638,843 | $6.42M | 0.48% | +2,938+0.5% | Added |
| Context Capital Management, LLC | 791,300 | $7.96M | 0.18% | 00.0% | Unchanged |
| Verition Fund Management LLC | 842,415 | $8.47M | 0.08% | −34,962−4.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 849,998 | $8.55M | 0.01% | −250,000−22.7% | Reduced |
| Two Sigma Investments, LP | 994,317 | $9.99M | 0.01% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $10.1M | 0.02% | 00.0% | Unchanged |
| Glazer Capital, LLC | 1,073,671 | $10.8M | 0.23% | −63,593−5.6% | Reduced |
| HighTower Advisors, LLC | 1,082,900 | $10.9M | 0.01% | −50,788−4.5% | Reduced |
| Picton Mahoney Asset Management | 1,099,998 | $11.1M | 0.12% | 00.0% | Unchanged |
| 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 |
| CNH Partners LLC | 1,100,131 | $11.1M | 0.18% | −41,693−3.7% | Reduced |
| Magnetar Financial LLC | 1,099,995 | $11.1M | 0.11% | +1,099,995 | New |
| Linden Advisors LP | 1,100,000 | $11.1M | 0.06% | 00.0% | Unchanged |
| PEAK6 LLC | 1,250,000 | $12.6M | 0.36% | 00.0% | Unchanged |
| Meteora Capital, LLC | 1,253,752 | $12.6M | 0.93% | +600,000+91.8% | Added |
| Alberta Investment Management Corp | 1,450,000 | $14.6M | 0.09% | 00.0% | Unchanged |
| Highbridge Capital Management LLC | 1,470,000 | $14.8M | 0.94% | 00.0% | Unchanged |
| 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 |