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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: $274.3MQ1 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$274.3M
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
Morgan Stanley26$2630.00%−30−53.6%Reduced
FNY Investment Advisers, LLC500$5.00K0.00%+500New
UBS Group AG2,863$29.0K0.00%−21,778−88.4%Reduced
JPMorgan Chase & Co9,842$99.7K0.00%+9,842New
State of Wisconsin Investment Board10,000$101.3K0.00%00.0%Unchanged
Timelo Investment Management Inc.10,000$101.3K0.13%00.0%Unchanged
Evercore Wealth Management, LLC15,999$162.1K0.00%00.0%Unchanged
Kepos Capital LP23,598$239.0K0.33%00.0%Unchanged
Centiva Capital, LP24,999$253.2K0.01%00.0%Unchanged
Deltec Asset Management LLC25,000$253.3K0.04%00.0%Unchanged
Abc Arbitrage SA25,000$253.3K0.03%00.0%Unchanged
Virtu Financial LLC34,851$353.0K0.01%−16,313−31.9%Reduced
Toronto Dominion Bank41,800$423.4K0.00%−49,845−54.4%Reduced
Susquehanna International Group, LLP44,532$451.1K0.00%+29,568+197.6%Added
Boothbay Fund Management, LLC46,201$468.0K0.01%00.0%Unchanged
PenderFund Capital Management Ltd.48,564$492.0K0.06%+38,177+367.5%Added
Governors Lane LP50,000$506.5K0.05%00.0%Unchanged
Clear Street Group Inc.60,000$607.8K0.00%−15,321−20.3%Reduced
Kryger Capital LLC77,393$784.0K0.04%−1,319−1.7%Reduced
Parallax Volatility Advisers, L.P.89,781$909.5K0.03%+9,582+11.9%Added
TIG Advisors, LLC100,000$1.01M0.05%00.0%Unchanged
Ghisallo Capital Management LLC100,000$1.01M0.02%00.0%Unchanged
SRS Capital Advisors, Inc.111,000$1.12M0.01%+111,000New
Bulldog Investors, LLP115,237$1.17M0.26%+15,237+15.2%Added
CSS LLC120,000$1.22M0.05%+120,000New
Whitebox Advisors LLC150,000$1.52M0.02%00.0%Unchanged
Lineage Point Capital LP171,000$1.73M0.36%00.0%Unchanged
Millennium Management LLC182,950$1.85M0.00%00.0%Unchanged
Moore Capital Management, LP200,000$2.03M0.05%00.0%Unchanged
D. E. Shaw & Co., Inc.204,993$2.08M0.00%+70,500+52.4%Added
Gabelli Funds LLC205,600$2.08M0.01%−25,000−10.8%Reduced
Mizuho Securities USA LLC230,925$2.33M0.04%+230,925New
Berkley W R Corp242,244$2.45M0.12%00.0%Unchanged
Davidson Kempner Capital Management LP250,000$2.53M0.04%00.0%Unchanged
O'Connor Alternative Investments LLC250,000$2.53M0.18%00.0%Unchanged
Schonfeld Strategic Advisors LLC254,425$2.58M0.01%+133,063+109.6%Added
Gabelli & Co Investment Advisers, Inc.269,400$2.73M0.40%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys300,000$3.04M0.01%00.0%Unchanged
BlueCrest Capital Management Ltd337,000$3.41M0.15%00.0%Unchanged
Aristeia Capital LLC350,000$3.55M0.06%00.0%Unchanged
Sona Asset Management (US) LLC363,069$3.68M0.14%00.0%Unchanged
Periscope Capital Inc.375,000$3.80M0.60%00.0%Unchanged
Vivaldi Asset Management, LLC399,701$4.05M0.24%00.0%Unchanged
BNP Paribas Arbitrage, SA401,475$4.07M0.00%00.0%Unchanged
Rivernorth Capital Management, LLC399,121$4.07M0.19%−389−0.1%Reduced
Shaolin Capital Management LLC424,411$4.30M0.24%−50,589−10.7%Reduced
Mint Tower Capital Management B.V.500,000$5.07M0.60%00.0%Unchanged
Wealthspring Capital LLC517,108$5.24M1.17%−31,699−5.8%Reduced
Hudson Bay Capital Management LP600,000$6.08M0.03%00.0%Unchanged
Omers Administration Corp600,000$6.08M0.04%00.0%Unchanged
Wolverine Asset Management LLC631,553$6.40M0.08%+107,272+20.5%Added
Radcliffe Capital Management, L.P.668,807$6.78M0.52%+29,964+4.7%Added
Context Capital Management, LLC791,300$8.02M0.16%00.0%Unchanged
Verition Fund Management LLC842,415$8.53M0.06%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund849,998$8.61M0.01%00.0%Unchanged
HighTower Advisors, LLC888,850$9.00M0.01%−194,050−17.9%Reduced
Meteora Capital, LLC987,332$10.0M0.83%−266,420−21.2%Reduced
Two Sigma Investments, LP994,317$10.1M0.01%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,000,000$10.1M0.01%00.0%Unchanged
Magnetar Financial LLC1,099,995$11.1M0.10%00.0%Unchanged
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
CNH Partners LLC1,108,776$11.2M0.16%+8,645+0.8%Added
Picton Mahoney Asset Management1,116,998$11.3M0.10%+17,000+1.5%Added
PEAK6 LLC1,250,000$12.7M0.31%00.0%Unchanged
Glazer Capital, LLC1,350,000$13.7M0.34%+276,329+25.7%Added
Alberta Investment Management Corp1,450,000$14.7M0.08%00.0%Unchanged
Highbridge Capital Management LLC1,526,796$15.5M0.53%+56,796+3.9%Added
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