Who owns M3-Brigade Acquisition VI Corp., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
THE GOLDMAN SACHS GROUP, INC.: 6.0% · 2,080,501 shares — GOLDMAN SACHS & CO. LLC: 6.0% · 2,080,501 shares
M3-Brigade Sponsor VI LLC: 20.0% · 8,625,000 shares — M3-Brigade Acquisition Partners VI Corp.: 20.0% · 8,625,000 shares — Mohsin Y. Meghji: 20.0% · 8,625,000 shares
Every institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of M3-Brigade Acquisition VI Corp. they hold. Together these 76 managers report 410.70% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | $15.5M | 1,526,796 | 0.38% | 20.36% | June 30, 2026 |
| Alberta Investment Management Corp | $14.7M | 1,450,000 | 0.08% | 19.33% | June 30, 2026 |
74 more institutional holders behind a free account
See every manager reporting M3-Brigade Acquisition VI Corp., how much of the company they hold, and how big the position is inside their own portfolio.
Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 6 funds hold 8.75% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| First Trust Merger Arbitrage Fund | $3.45M | 0.22% | 4.58% | March 31, 2026 |
| First Trust Alternative Opportunities Fund | $1.01M | 0.03% | 1.33% | June 30, 2026 |
4 more funds behind a free account
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