M3-Brigade Acquisition VI Corp
MBVI
67 hedge funds and large institutions have $300M invested in M3-Brigade Acquisition VI Corp in 2026 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 7 increasing their positions, 14 reducing their positions, and 5 closing their positions.
160% more first-time investments, than exits
New positions opened: 13 | Existing positions closed: 5
12% more funds holding
Funds holding: 60 → 67 (+7)
9% more capital invested
Capital invested by funds: $274M → $300M (+$26.1M)
7.12% more ownership
Funds ownership: 79.48% → 86.59% (+7.1%)
50% less repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 14
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MF
Magnetar Financial
Evanston,
Illinois
|
+$11.1M |
| 2 |
MC
Meteora Capital
Boca Raton,
Florida
|
+$6.05M |
| 3 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
+$4.03M |
| 4 |
SAMU
SONA Asset Management (US)
New York
|
+$3.66M |
| 5 |
BCM
BlueCrest Capital Management
St Helier,
Jersey
|
+$3.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$2.52M |
| 2 |
MSU
Mizuho Securities USA
New York
|
-$2M |
| 3 |
CS
Clear Street
New York
|
-$1.53M |
| 4 |
PC
Periscope Capital
Toronto,
Ontario, Canada
|
-$1.26M |
| 5 |
CCC
Cable Car Capital
San Francisco,
California
|
-$1M |
MBVI Hedge Fund Activity: Q1 2026 in Review
67 of the 8,206 institutional investors tracked by Wall St. Rank reported a position in M3-Brigade Acquisition VI Corp (MBVI) for Q1 2026, worth a combined $300M — up 9.5% from $274M a quarter earlier.
Buyers outnumbered sellers: 13 funds opened new MBVI positions and 5 closed out — a net gain of 8 holders — while 7 added to existing stakes and 14 trimmed.
The largest buyer was Magnetar Financial, opening a new position worth an estimated $11.1M. The largest seller was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, cutting an estimated $2.52M.
- 67 institutional investors held M3-Brigade Acquisition VI Corp (MBVI) as of Q1 2026, up from 60 in Q4 2025.
- Funds reported $300M of M3-Brigade Acquisition VI Corp stock for Q1 2026, up 9.5% quarter-over-quarter.
- 13 funds opened new M3-Brigade Acquisition VI Corp positions in Q1 2026 and 5 closed out, a net change of +8 holders.
- The largest M3-Brigade Acquisition VI Corp buyer in Q1 2026 was Magnetar Financial, an estimated $11.1M added.
- The largest M3-Brigade Acquisition VI Corp seller in Q1 2026 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $2.52M sold.
Based on aggregated 13F filings for Q1 2026.