DOSSIER · 13F Holders · Q2 2026

SOUTHERN CO

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

CUSIP 842587957·6 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$114M
visible holders
Holders
6
filers reporting
Concentration
44.69%
JPMORGAN CHASE & CO #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported SOUTHERN CO in Q2 2026. JPMORGAN CHASE & CO leads at 44.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
JPMORGAN CHASE & CO
CIK 0000019617
$51M525K0.00%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$29M299K0.04%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$17M209K0.00%Q3 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$17M203K0.01%Q3 2026
05
All Terrain Financial Advisors, LLC
CIK 0001731358
$220K2K0.04%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025