DOSSIER · 13F Holders · Q1 2026

BROOKFIELD CORP

6 institutions still hold BROOKFIELD CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 11271J957·6 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$14M
visible holders
Holders
6
filers reporting
Concentration
36.37%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

6 institutions reported BROOKFIELD CORP in Q1 2026. GROUP ONE TRADING LLC leads at 36.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$5M127K0.01%Q1 2026
02
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$5M1K0.00%Q1 2026
03
Lancaster Investment Management
CIK 0001630064
$2M11K1.09%Q1 2026
04
IMC-Chicago, LLC
CIK 0001452861· Market maker
$2M44K0.00%Q1 2026
05
SIMPLEX TRADING, LLC
CIK 0001488542
$469K12K0.00%Q1 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025