DOSSIER · 13F Holders · Q2 2026

EDISON INTL

5 institutions still hold EDISON INTL as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 281020957·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$19M
visible holders
Holders
5
filers reporting
Concentration
52.46%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported EDISON INTL in Q2 2026. GROUP ONE TRADING LLC leads at 52.5% 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
$10M133K0.01%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$7M90K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$2M27K0.00%Q2 2026
04
HRT FINANCIAL LP
CIK 0001475597
$234K4K0.00%Q4 2025
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025