SEC ownership of M3-Brigade Acquisition VI Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002073928.

Comparable stake leader

M3-Brigade Sponsor VI LLC

Disclosed value leader

GOLDMAN SACHS GROUP INC

Comparable rows

25/50

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
25 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
M3-Brigade Sponsor VI LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0002073928
Issuer location
New York, NY

Ownership snapshot

Top shareholders of M3-Brigade Acquisition VI Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
M3-Brigade Sponsor VI LLC
Disclosed value leader
GOLDMAN SACHS GROUP INC
Comparable rows
25/50
Latest evidence
30 Jun 2026
13D/G 13F Lead comparable stake: 20% 25 rows are not safely comparable across share classes. 13D/G row: M3-Brigade Sponsor VI LLC Showing 1-8 of 50 holder rows.

Quick read

M3-Brigade Sponsor VI LLC leads the comparable SEC ownership view at 20%.

25 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens M3-Brigade Sponsor VI LLC's linked filing trail.
Comparable ownership Top 5
M3-Brigade Sponsor VI LLC 20%
GOLDMAN SACHS GROUP INC 6%
HIGHBRIDGE CAPITAL MANAGEMENT LLC 4.4%
TWO SIGMA INVESTMENTS, LP 2.9%
METEORA CAPITAL, LLC 2.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
M3-Brigade Sponsor VI LLC
13D/G
20%
—
8,625,000 shares
$0 30 Sep 2025
GOLDMAN SACHS GROUP INC
13D/G
THE GOLDMAN SACHS GROUP, INC.
6%
$20,950,645
2,080,501 shares
$0 31 Dec 2025
HIGHBRIDGE CAPITAL MANAGEMENT LLC
13F
Company
13F
4.4%
$15,474,077
1,526,796 shares
— 30 Jun 2026
TWO SIGMA INVESTMENTS, LP
13F
Company
13F
2.9%
$10,072,431
994,317 shares
— 30 Jun 2026
METEORA CAPITAL, LLC
13F
Company
13F
2.8%
$10,001,673
987,332 shares
— 30 Jun 2026
HighTower Advisors, LLC
13F
Company
13F
2.6%
$9,004,051
888,850 shares
— 30 Jun 2026
First Trust Capital Management L.P.
13F
Company
13F
1.2%
$4,048,971
399,701 shares
— 30 Jun 2026
BlueCrest Capital Management Ltd
13F
Company
13F
0.97%
$3,413,810
337,000 shares
— 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 28 Sep 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-9 of 9 reporting-owner rows connected to M3-Brigade Acquisition VI Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
9
Largest Forms 3/4/5 holder
M3-Brigade Sponsor VI LLC
Net 12M change
$0
Latest report
14 May 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
M3-Brigade Sponsor VI LLC 10%+ Owner Mixed 26 Aug 2025
Christopher Chaice Executive Vice President Mixed 26 Aug 2025
Charles Hugh Farkas Garner EVP & Secretary Mixed 26 Aug 2025
Eric D. Greenhaus Chief Financial Officer Mixed 26 Aug 2025
Mohsin Y. Meghji Executive Chairman of the BOD, Director Mixed 26 Aug 2025
Matthew Perkal Chief Executive Officer, Director Mixed 26 Aug 2025
Benjamin F. Rattner Director Mixed 26 Aug 2025
Frank M. Garrison Director Mixed 02 Dec 2025
Michael Neruda Director Mixed 14 May 2026

Recent insider transactions for M3-Brigade Acquisition VI Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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