SOUTHERN CO

CUSIP: 842587842 Class: UNIT 12/15/2028

Holders for Q4 2025 Position Changes for Q4 2025

Note: Option positions (PUT/CALL) are excluded.

New Positions (42)

Portman Square Capital LLP
Value ($000) $88,925 Shares 1,786,000
CAMDEN ASSET MANAGEMENT L P /CA
Value ($000) $83,094 Shares 1,674,600
Monashee Investment Management LLC
Value ($000) $3,821 Shares 75,877
ADVENT CAPITAL MANAGEMENT /DE/
Value ($000) $45,639 Shares 916,989
Calamos Advisors LLC
Value ($000) $125,180 Shares 2,485,706
SSI INVESTMENT MANAGEMENT LLC
Value ($000) $8,093 Shares 163,090
Weiss Asset Management LP
Value ($000) $18,341 Shares 368,563
MANUFACTURERS LIFE INSURANCE COMPANY, THE
Value ($000) $101,467 Shares 2,038,727
Capital World Investors
Value ($000) $559,428 Shares 11,108,572
FRANKLIN RESOURCES INC
Value ($000) $301,441 Shares 5,985,717
BlueCrest Capital Management Ltd
Value ($000) $3,937 Shares 78,186
Capital International, Inc./CA/
Value ($000) $9,465 Shares 187,941
Voya Investment Management LLC
Value ($000) $50,360 Shares 1,000,000
Capula Management Ltd
Value ($000) $5,580 Shares 221,990
VAN ECK ASSOCIATES CORP
Value ($000) $62 Shares 1,206,030
GABELLI FUNDS LLC
Value ($000) $3,994 Shares 79,300
D. E. Shaw & Co., Inc.
Value ($000) $32,327 Shares 650,000
AMERIPRISE FINANCIAL INC
Value ($000) $53,496 Shares 1,077,336
VICTORY CAPITAL MANAGEMENT INC
Value ($000) $22,662 Shares 450,000
JANE STREET GROUP, LLC
Value ($000) $64,730 Shares 1,285,353