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M3-Brigade Acquisition VI Corp.

MBVIU
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; 16 institutions reported holding it in 13F filings for Q2 2026, worth $25.2M in total; no superinvestor holds it.

Other share classesMBVIMBVIW

Q3 2025 vs. Q2 2025

How the institutions holding M3-Brigade Acquisition VI Corp. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of MBVIU: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders077+77
Shares030.9M+30.9M
Value$0$312.3M+$312.3M

New holders (77)

Institutions that held M3-Brigade Acquisition VI Corp. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to MBVIU in Q3 2025
InstitutionSharesValue% of portfolio
Highbridge Capital Management LLC1,470,000$14.9M0.75%
Alberta Investment Management Corp1,450,000$14.7M0.11%
Glazer Capital, LLC1,329,906$13.5M0.45%
PEAK6 LLC1,250,000$12.7M0.32%
CNH Partners LLC1,141,831$11.6M0.29%
Picton Mahoney Asset Management1,100,000$11.1M0.14%
Linden Advisors LP1,100,000$11.1M0.07%
MMCAP International Inc. SPC1,100,000$11.1M1.29%
Tenor Capital Management Co., L.P.1,100,000$11.1M0.15%
Magnetar Financial LLC1,100,000$11.1M0.07%
Healthcare of Ontario Pension Plan Trust Fund1,100,000$11.1M0.02%
Polar Asset Management Partners Inc.1,100,000$11.1M0.23%
Two Sigma Investments, LP1,005,208$10.2M0.02%
Adage Capital Partners GP, L.L.C.1,000,000$10.1M0.02%
Context Capital Management, LLC880,000$8.91M0.27%
HGC Investment Management Inc.850,000$8.60M2.10%
Verition Fund Management LLC812,384$8.22M0.05%
Shaolin Capital Management LLC650,000$6.58M0.31%
Omers Administration Corp600,000$6.07M0.04%
Radcliffe Capital Management, L.P.575,000$5.82M0.36%
Wealthspring Capital LLC560,962$5.68M1.35%
Hudson Bay Capital Management LP550,000$5.57M0.03%
Meteora Capital, LLC500,237$5.06M0.54%
Mint Tower Capital Management B.V.500,000$5.06M0.65%
Millennium Management LLC475,000$4.81M0.00%
Steadfast Capital Management LP400,000$4.05M0.07%
Rivernorth Capital Management, LLC400,000$4.05M0.23%
Vivaldi Asset Management, LLC400,000$4.05M0.26%
Periscope Capital Inc.393,300$3.98M0.97%
Clear Street Group Inc.369,958$3.74M0.02%
BNP Paribas Arbitrage, SA358,169$3.62M0.00%
Aristeia Capital LLC350,000$3.54M0.11%
Wolverine Asset Management LLC330,000$3.34M0.05%
Toronto Dominion Bank270,840$2.74M0.01%
Gabelli & Co Investment Advisers, Inc.269,400$2.73M0.44%
Mizuho Securities USA LLC257,725$2.58M0.05%
LMR Partners LLP250,000$2.53M0.03%
Davidson Kempner Capital Management LP250,000$2.53M0.04%
Saba Capital Management, L.P.247,577$2.51M0.08%
Berkley W R Corp242,245$2.45M0.16%
Gabelli Funds LLC230,600$2.33M0.02%
Moore Capital Management, LP200,000$2.02M0.04%
Syquant Capital SAS200,000$2.02M0.58%
Readystate Asset Management LP200,000$2.02M0.10%
StoneX Group Inc.182,051$1.84M0.08%
Whitebox Advisors LLC150,000$1.52M0.03%
Cantor Fitzgerald, L. P.116,500$1.18M0.02%
Bulldog Investors, LLP115,240$1.17M0.27%
Schonfeld Strategic Advisors LLC110,000$1.11M0.01%
Citigroup Inc100,000$1.01M0.00%
TIG Advisors, LLC100,000$1.01M0.06%
K2 Principal Fund, L.P.100,000$1.01M0.11%
Parallax Volatility Advisers, L.P.100,000$1.01M0.03%
Cable Car Capital LLC100,000$1.01M0.43%
Walleye Capital LLC100,000$1.01M0.01%
Ghisallo Capital Management LLC100,000$1.01M0.03%
Omni Event Management Ltd75,976$768.9K0.09%
Westchester Capital Management, LLC50,000$506.0K0.03%
Boothbay Fund Management, LLC50,000$506.0K0.01%
Governors Lane LP50,000$506.0K0.07%
Atw Spac Management LLC50,000$506.0K0.64%
Sandia Investment Management LP50,000$506.0K1.51%
Quarry LP50,000$506.0K0.12%
Deltec Asset Management LLC25,000$253.0K0.04%
Sona Asset Management (US) LLC25,000$253.0K0.01%
Centiva Capital, LP24,999$253.0K0.02%
Calamos Advisors LLC24,606$249.0K0.00%
Tuttle Tactical Management20,000$202.4K0.77%
Virtu Financial LLC12,095$122.0K0.01%
Citadel Advisors LLC10,829$109.6K0.00%
PenderFund Capital Management Ltd.10,387$105.1K0.02%
State of Wisconsin Investment Board10,000$101.2K0.00%
Timelo Investment Management Inc.10,000$101.2K0.17%
TrueMark Investments, LLC10,000$101.2K0.02%
Royal Bank of Canada8,653$88.0K0.00%
FNY Investment Advisers, LLC5,300$53.0K0.02%
UBS Group AG2$200.00%

Sold out (0)

Institutions that held M3-Brigade Acquisition VI Corp. at the end of Q2 2025 and filed for Q3 2025 without it.

None.