DOSSIER · 13F Holders · Q2 2026

M3-BRIGADE ACQUISITION VI CO

19 institutions still hold M3-BRIGADE ACQUISITION VI CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G63221124·19 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$27M
visible holders
Holders
19
filers reporting
Concentration
23.59%
HGC Investment Management Inc. #1
top holder share
AI Holders Summary · Q2 2026

19 institutions reported M3-BRIGADE ACQUISITION VI CO in Q2 2026. HGC Investment Management Inc. leads at 23.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
HGC Investment Management Inc.
CIK 0001711200
$6M625K1.26%Q2 2026
02
TORONTO DOMINION BANK
CIK 0000947263
$6M585K0.01%Q2 2026
03
LMR Partners LLP
CIK 0001578621
$3M250K0.01%Q2 2026
04
READYSTATE ASSET MANAGEMENT LP
CIK 0001900923
$2M225K0.09%Q4 2025
05
SYQUANT CAPITAL SAS
CIK 0001766392
$2M200K0.32%Q1 2026
06
Clear Street Group Inc.
CIK 0001881567
$1M130K0.00%Q2 2026
07
JPMORGAN CHASE & CO
CIK 0000019617
$1M100K0.00%Q2 2026
08
Walleye Capital LLC
CIK 0001758720
$1M100K0.00%Q2 2026
09
CITIGROUP INC
CIK 0000831001
$933K90K0.00%Q2 2026
10
KRYGER CAPITAL Ltd
CIK 0001911807
$779K77K0.06%Q4 2025
11
Quarry LP
CIK 0001965207
$513K50K0.04%Q2 2026
12
Westchester Capital Management, LLC
CIK 0001512805
$513K50K0.03%Q2 2026
13
Sandia Investment Management LP
CIK 0001880562
$506K50K1.26%Q4 2025
14
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$506K50K0.64%Q3 2025
15
Calamos Advisors LLC
CIK 0001316507
$255K25K0.00%Q2 2026
16
SONA ASSET MANAGEMENT (US) LLC
CIK 0001856405
$254K25K0.01%Q1 2026
17
Bulldog Investors, LLP
CIK 0001504304
$155K15K0.03%Q1 2026
18
CITADEL ADVISORS LLC
CIK 0001423053
$108K11K0.00%Q4 2025
19
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$2020.00%Q2 2026