Southern Co. (so 3.875 12/15/25)

13F holders, Q4 2024 (December 31)
14holders +2
2new positions
1sold out
$1.24avg. 13F price*

At the end of Q4 2024, 14 institutions reported holding Southern Co. (so 3.875 12/15/25) in their 13F filings, up 2 from Q3 2024. 2 opened new positions and 1 sold out. The largest holders were Mizuho Securities USA LLC ($25.1M), Thrivent Financial for Lutherans ($19.0M) and Nomura Holdings Inc. ($8.0M).

Company
Southern Co. (so 3.875 12/15/25)
CUSIP
842587DP9
Latest filing quarter
Q3 2025

History

Number of 13F holders

051015 Q1 2024: 9Q1 2024Q2 2024: 10Q2 2024Q3 2024: 12Q3 2024Q4 2024: 14Q4 2024Q1 2025: 13Q1 2025Q2 2025: 10Q2 2025Q3 2025: 5Q3 2025

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions2$25.1M
Exits1$11.0M

All 13F filers, Q3 2024 → Q4 2024: 24,521,337 shares bought and 19,802,277 shares sold, net +4,719,060 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 14 holders

Mizuho Securities USA LLC 0.46% New 23,892,000 $25.1M
Thrivent Financial for Lutherans 0.04% Add +3.5% 18,062,000 $19.0M
Nomura Holdings Inc. 0.04% Add +2.4% 97,722 $8.0M
Jane Street Group, LLC 0.01% Reduce -72.6% 3,754,000 $4.0M
Loomis Sayles & Co. L P 0.00% Reduce -21.0% 16,100 $1.3M
Police & Firemen's Retirement System of New Jersey 0.01% — 1,115,000 $1.2M
Ameritas Investment Partners, Inc. 0.03% No change 830,000 $872K
Bank of New York Mellon Corp 0.00% No change 800,000 $841K
&partners 0.00% Add +2.0% 152,000 $160K
Stonegate Investment Group, LLC 0.00% Reduce -43.5% 13,000 $14K
Roundview Capital LLC 0.00% No change 12,500 $13K
Northwestern Mutual Wealth Management Co. 0.00% New 9,000 $9K
Laffer Tengler Investments, Inc. 0.00% Add +2.5% 2,549 $3K
Lanark Financial, Inc. 0.00% — 12 $12

"% of holder's portfolio" is SOUTHERN CO (SO 3.875 12/15/25)'s weight in each manager's 13F, not the share of Southern Co. (so 3.875 12/15/25) the manager owns.