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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.

Other share classesMBVIUMBVIW

13F holders, Q2 2026

Institutional positions in M3-Brigade Acquisition VI Corp. as of Jun 30, 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
70
+3 vs. Q1 2026
Shares held
30.3M
+449.0K (+1.5%) vs. Q1 2026
Total value
$307.2M
+$6.86M (+2.3%) vs. Q1 2026
New holders
5
12 more added
Sold out
2
12 more reduced

Compare with Q1 2026: 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.

Institutional holdersQ2 2026: 70 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 60 institutionsQ1 2026: 67 institutionsQ2 2026: 70 institutions
Value heldQ2 2026: $307.2M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $286.8MQ1 2026: $300.3MQ2 2026: $307.2M
Institutions holding MBVI and their total value by quarter
QuarterHoldersValue
Q2 202670$307.2M
Q1 202667$300.3M
Q4 202560$286.8M
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding M3-Brigade Acquisition VI Corp.; share changes are against Q1 2026.

Institutions holding MBVI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Highbridge Capital Management LLC1,526,796$15.5M0.53%+56,796+3.9%Added
Alberta Investment Management Corp1,450,000$14.7M0.08%00.0%Unchanged
Glazer Capital, LLC1,350,000$13.7M0.34%+276,329+25.7%Added
PEAK6 LLC1,250,000$12.7M0.31%00.0%Unchanged
Picton Mahoney Asset Management1,116,998$11.3M0.10%+17,000+1.5%Added
CNH Partners LLC1,108,776$11.2M0.16%+8,645+0.8%Added
Linden Advisors LP1,100,000$11.1M0.06%00.0%Unchanged
MMCAP International Inc. SPC1,100,000$11.1M0.94%00.0%Unchanged
Polar Asset Management Partners Inc.1,100,000$11.1M0.20%00.0%Unchanged
Tenor Capital Management Co., L.P.1,100,000$11.1M0.16%00.0%Unchanged
Magnetar Financial LLC1,099,995$11.1M0.10%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,000,000$10.1M0.01%00.0%Unchanged
Two Sigma Investments, LP994,317$10.1M0.01%00.0%Unchanged
Meteora Capital, LLC987,332$10.0M0.83%−266,420−21.2%Reduced
HighTower Advisors, LLC888,850$9.00M0.01%−194,050−17.9%Reduced
Healthcare of Ontario Pension Plan Trust Fund849,998$8.61M0.01%00.0%Unchanged
Verition Fund Management LLC842,415$8.53M0.06%00.0%Unchanged
Context Capital Management, LLC791,300$8.02M0.16%00.0%Unchanged
Radcliffe Capital Management, L.P.668,807$6.78M0.52%+29,964+4.7%Added
Wolverine Asset Management LLC631,553$6.40M0.08%+107,272+20.5%Added
Hudson Bay Capital Management LP600,000$6.08M0.03%00.0%Unchanged
Omers Administration Corp600,000$6.08M0.04%00.0%Unchanged
Wealthspring Capital LLC517,108$5.24M1.17%−31,699−5.8%Reduced
Mint Tower Capital Management B.V.500,000$5.07M0.60%00.0%Unchanged
Shaolin Capital Management LLC424,411$4.30M0.24%−50,589−10.7%Reduced
Rivernorth Capital Management, LLC399,121$4.07M0.19%−389−0.1%Reduced
BNP Paribas Arbitrage, SA401,475$4.07M0.00%00.0%Unchanged
Vivaldi Asset Management, LLC399,701$4.05M0.24%00.0%Unchanged
Periscope Capital Inc.375,000$3.80M0.60%00.0%Unchanged
Sona Asset Management (US) LLC363,069$3.68M0.14%00.0%Unchanged
Aristeia Capital LLC350,000$3.55M0.06%00.0%Unchanged
BlueCrest Capital Management Ltd337,000$3.41M0.15%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys300,000$3.04M0.01%00.0%Unchanged
Gabelli & Co Investment Advisers, Inc.269,400$2.73M0.40%00.0%Unchanged
Schonfeld Strategic Advisors LLC254,425$2.58M0.01%+133,063+109.6%Added
Davidson Kempner Capital Management LP250,000$2.53M0.04%00.0%Unchanged
O'Connor Alternative Investments LLC250,000$2.53M0.18%00.0%Unchanged
Berkley W R Corp242,244$2.45M0.12%00.0%Unchanged
Mizuho Securities USA LLC230,925$2.33M0.02%+230,925New
Gabelli Funds LLC205,600$2.08M0.01%−25,000−10.8%Reduced
D. E. Shaw & Co., Inc.204,993$2.08M0.00%+70,500+52.4%Added
Moore Capital Management, LP200,000$2.03M0.05%00.0%Unchanged
Millennium Management LLC182,950$1.85M0.00%00.0%Unchanged
Lineage Point Capital LP171,000$1.73M0.36%00.0%Unchanged
Whitebox Advisors LLC150,000$1.52M0.02%00.0%Unchanged
CSS LLC120,000$1.22M0.05%+120,000New
Bulldog Investors, LLP115,237$1.17M0.26%+15,237+15.2%Added
SRS Capital Advisors, Inc.111,000$1.12M0.01%+111,000New
TIG Advisors, LLC100,000$1.01M0.05%00.0%Unchanged
Ghisallo Capital Management LLC100,000$1.01M0.02%00.0%Unchanged
Parallax Volatility Advisers, L.P.89,781$909.5K0.03%+9,582+11.9%Added
Kryger Capital LLC77,393$784.0K0.04%−1,319−1.7%Reduced
Clear Street Group Inc.60,000$607.8K0.00%−15,321−20.3%Reduced
Governors Lane LP50,000$506.5K0.05%00.0%Unchanged
PenderFund Capital Management Ltd.48,564$492.0K0.06%+38,177+367.5%Added
Boothbay Fund Management, LLC46,201$468.0K0.01%00.0%Unchanged
Susquehanna International Group, LLP44,532$451.1K0.00%+29,568+197.6%Added
Toronto Dominion Bank41,800$423.4K0.00%−49,845−54.4%Reduced
Virtu Financial LLC34,851$353.0K0.01%−16,313−31.9%Reduced
Deltec Asset Management LLC25,000$253.3K0.04%00.0%Unchanged
Abc Arbitrage SA25,000$253.3K0.03%00.0%Unchanged
Centiva Capital, LP24,999$253.2K0.01%00.0%Unchanged
Kepos Capital LP23,598$239.0K0.33%00.0%Unchanged
Evercore Wealth Management, LLC15,999$162.1K0.00%00.0%Unchanged
State of Wisconsin Investment Board10,000$101.3K0.00%00.0%Unchanged
Timelo Investment Management Inc.10,000$101.3K0.13%00.0%Unchanged
JPMorgan Chase & Co9,842$99.7K0.00%+9,842New
UBS Group AG2,863$29.0K0.00%−21,778−88.4%Reduced
FNY Investment Advisers, LLC500$5.00K0.00%+500New
Morgan Stanley26$2630.00%−30−53.6%Reduced
K2 Principal Fund, L.P.0$00.00%−100,000−100.0%Sold out
StoneX Group Inc.0$00.00%−42,600−100.0%Sold out