M3-Brigade Acquisition ViMBVIU
13F holders, Q4 2025 (December 31)26holders −51
1new positions
5sold out
1famous investor
$10.11avg. 13F price*
At the end of Q4 2025, 26 institutions reported holding M3-Brigade Acquisition Vi Co. (MBVIU) in their 13F filings, down 51 from Q3 2025. 1 opened new positions and 5 sold out. The largest holders were Magnetar Financial LLC ($11.1M), HGC Investment Management Inc. ($6.3M) and Steadfast Capital Management LP ($4.0M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- M3-Brigade Acquisition Vi Co.
- CUSIP
- G63221124
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $1.5M |
| Exits | 5 | $6.6M |
All 13F filers, Q3 2025 → Q4 2025: 186,670 shares bought and 2,378,557 shares sold, net −2,191,887 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 26 holders
| Magnetar Financial LLC | 0.12% | No change | 1,100,000 | $11.1M |
| HGC Investment Management Inc. | 1.35% | Reduce -26.5% | 625,000 | $6.3M |
| Steadfast Capital Management LP | 0.07% | No change | 400,000 | $4.0M |
| Rivernorth Capital Management, LLC | 0.19% | Reduce -0.1% | 399,512 | $4.0M |
| Toronto Dominion Bank | 0.01% | Add +3.9% | 281,400 | $2.8M |
| LMR Partners LLP | 0.03% | No change | 250,000 | $2.5M |
| Readystate Asset Management LP | 0.17% | Add +12.5% | 225,000 | $2.3M |
| Syquant Capital Sas | 0.25% | No change | 200,000 | $2.0M |
| JPMorgan Chase & Co. | 0.00% | New | 150,000 | $1.5M |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -9.1% | 100,000 | $1.0M |
| Walleye Capital LLC | 0.01% | No change | 100,000 | $1.0M |
| Citigroup Inc. | 0.00% | No change | 100,000 | $1.0M |
| Clear Street Group Inc. | 0.00% | Reduce -77.5% | 83,199 | $842K |
| KRYGER CAPITAL Ltd | 0.06% | Add +1.3% | 76,978 | $779K |
| Sandia Investment Management LP | 1.27% | No change | 50,000 | $506K |
| Quarry LP | 0.09% | No change | 50,000 | $506K |
| Westchester Capital Management, LLC | 0.02% | No change | 50,000 | $505K |
| Sona Asset Management (us) LLC | 0.02% | No change | 25,000 | $253K |
| Calamos Advisors LLC | 0.00% | No change | 24,606 | $249K |
| Tuttle Capital Management, LLC | 0.45% | No change | 20,000 | $203K |
| Bulldog Investors, LLP | 0.03% | Reduce -86.8% | 15,240 | $154K |
| Citadel Advisors | 0.00% | Reduce -1.7% | 10,645 | $108K |
| PenderFund Capital Management Ltd. | 0.04% | No change | 10,387 | $105K |
| Timelo Investment Management Inc. | 0.11% | No change | 10,000 | $101K |
| FNY Investment Advisers, LLC | 0.02% | Add +2.0% | 5,408 | $54K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Reduce -100.0% | 2 | $20 |
"% of holder's portfolio" is MBVIU's weight in each manager's 13F, not the share of M3-Brigade Acquisition Vi Co. the manager owns.