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, Q4 2025
Institutional positions in M3-Brigade Acquisition VI Corp. as of Dec 31, 2025. 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
- 60
- +60 vs. Q3 2025
- Shares held
- 27.4M
- +27.4M vs. Q3 2025
- Total value
- $274.3M
- +$274.3M vs. Q3 2025
- New holders
- 60
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding M3-Brigade Acquisition VI Corp.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Highbridge Capital Management LLC | 1,470,000 | $14.7M | 0.68% | +1,470,000 | New |
| Alberta Investment Management Corp | 1,450,000 | $14.5M | 0.09% | +1,450,000 | New |
| PEAK6 LLC | 1,250,000 | $12.5M | 0.34% | +1,250,000 | New |
| CNH Partners LLC | 1,141,824 | $11.4M | 0.24% | +1,141,824 | New |
| Glazer Capital, LLC | 1,137,264 | $11.4M | 0.30% | +1,137,264 | New |
| HighTower Advisors, LLC | 1,133,688 | $11.3M | 0.01% | +1,133,688 | New |
| Linden Advisors LP | 1,100,000 | $11.0M | 0.07% | +1,100,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 1,099,998 | $11.0M | 0.02% | +1,099,998 | New |
| MMCAP International Inc. SPC | 1,100,000 | $11.0M | 1.10% | +1,100,000 | New |
| Polar Asset Management Partners Inc. | 1,100,000 | $11.0M | 0.22% | +1,100,000 | New |
| Tenor Capital Management Co., L.P. | 1,100,000 | $11.0M | 0.16% | +1,100,000 | New |
| Picton Mahoney Asset Management | 1,099,998 | $11.0M | 0.12% | +1,099,998 | New |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $10.0M | 0.02% | +1,000,000 | New |
| Two Sigma Investments, LP | 994,317 | $9.94M | 0.01% | +994,317 | New |
| Verition Fund Management LLC | 877,377 | $8.78M | 0.05% | +877,377 | New |
| Context Capital Management, LLC | 791,300 | $7.91M | 0.20% | +791,300 | New |
| Meteora Capital, LLC | 653,752 | $6.54M | 0.55% | +653,752 | New |
| Radcliffe Capital Management, L.P. | 635,905 | $6.36M | 0.35% | +635,905 | New |
| Omers Administration Corp | 600,000 | $6.01M | 0.04% | +600,000 | New |
| Wealthspring Capital LLC | 557,505 | $5.58M | 1.32% | +557,505 | New |
| Hudson Bay Capital Management LP | 550,000 | $5.51M | 0.03% | +550,000 | New |
| Shaolin Capital Management LLC | 520,690 | $5.21M | 0.20% | +520,690 | New |
| Mint Tower Capital Management B.V. | 500,000 | $5.00M | 0.63% | +500,000 | New |
| Periscope Capital Inc. | 500,000 | $5.00M | 0.97% | +500,000 | New |
| Vivaldi Asset Management, LLC | 399,999 | $4.00M | 0.24% | +399,999 | New |
| BNP Paribas Arbitrage, SA | 358,167 | $3.59M | 0.00% | +358,167 | New |
| Aristeia Capital LLC | 350,000 | $3.50M | 0.10% | +350,000 | New |
| Wolverine Asset Management LLC | 319,998 | $3.20M | 0.05% | +319,998 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 300,000 | $3.00M | 0.02% | +300,000 | New |
| Gabelli & Co Investment Advisers, Inc. | 269,400 | $2.69M | 0.40% | +269,400 | New |
| UBS Oconnor LLC | 250,000 | $2.50M | 0.07% | +250,000 | New |
| Davidson Kempner Capital Management LP | 250,000 | $2.50M | 0.04% | +250,000 | New |
| Berkley W R Corp | 242,244 | $2.42M | 0.14% | +242,244 | New |
| Gabelli Funds LLC | 230,600 | $2.31M | 0.02% | +230,600 | New |
| Clear Street Group Inc. | 227,243 | $2.27M | 0.01% | +227,243 | New |
| Mizuho Securities USA LLC | 200,000 | $2.00M | 0.03% | +200,000 | New |
| Moore Capital Management, LP | 200,000 | $2.00M | 0.04% | +200,000 | New |
| Lineage Point Capital LP | 171,000 | $1.71M | 0.65% | +171,000 | New |
| Toronto Dominion Bank | 167,300 | $1.67M | 0.00% | +167,300 | New |
| Millennium Management LLC | 158,250 | $1.58M | 0.00% | +158,250 | New |
| Whitebox Advisors LLC | 150,000 | $1.50M | 0.03% | +150,000 | New |
| Ghisallo Capital Management LLC | 100,000 | $1.00M | 0.04% | +100,000 | New |
| Cable Car Capital LLC | 100,002 | $1.00M | 0.06% | +100,002 | New |
| TIG Advisors, LLC | 100,000 | $1.00M | 0.05% | +100,000 | New |
| K2 Principal Fund, L.P. | 100,000 | $1.00M | 0.10% | +100,000 | New |
| Bulldog Investors, LLP | 100,000 | $1.00M | 0.22% | +100,000 | New |
| Virtu Financial LLC | 56,501 | $566.0K | 0.02% | +56,501 | New |
| Governors Lane LP | 50,000 | $500.0K | 0.05% | +50,000 | New |
| Boothbay Fund Management, LLC | 49,550 | $495.5K | 0.01% | +49,550 | New |
| Centiva Capital, LP | 24,999 | $250.2K | 0.02% | +24,999 | New |
| Deltec Asset Management LLC | 25,000 | $250.0K | 0.04% | +25,000 | New |
| Abc Arbitrage SA | 25,000 | $250.0K | 0.02% | +25,000 | New |
| UBS Group AG | 22,107 | $221.1K | 0.00% | +22,107 | New |
| Evercore Wealth Management, LLC | 15,999 | $160.0K | 0.00% | +15,999 | New |
| Susquehanna International Group, LLP | 14,964 | $149.8K | 0.00% | +14,964 | New |
| Citadel Advisors LLC | 10,953 | $109.6K | 0.00% | +10,953 | New |
| State of Wisconsin Investment Board | 10,000 | $100.0K | 0.00% | +10,000 | New |
| Royal Bank of Canada | 5,500 | $55.0K | 0.00% | +5,500 | New |
| FNY Investment Advisers, LLC | 500 | $5.00K | 0.00% | +500 | New |
| Morgan Stanley | 92 | $920 | 0.00% | +92 | New |