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

13F holders, Q1 2025 (March 31)
13holders −1
2new positions
3sold out
$1.39avg. 13F price*

At the end of Q1 2025, 13 institutions reported holding Southern Co. (so 3.875 12/15/25) in their 13F filings, down 1 from Q4 2024. 2 opened new positions and 3 sold out. The largest holders were Mizuho Securities USA LLC ($19.5M), Nomura Holdings Inc. ($4.0M) and Police & Firemen's Retirement System of New Jersey ($1.2M).

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 Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions2$336K
Exits3$22.9M

All 13F filers, Q4 2024 → Q1 2025: 21,521 shares bought and 28,432,641 shares sold, net −28,411,120 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 13 holders

Mizuho Securities USA LLC 0.42% Reduce -26.8% 17,500,000 $19.5M
Nomura Holdings Inc. 0.02% Reduce -55.0% 43,933 $4.0M
Police & Firemen's Retirement System of New Jersey 0.01% No change 1,115,000 $1.2M
Loomis Sayles & Co. L P 0.00% Reduce -17.7% 13,248 $1.2M
Ameritas Investment Partners, Inc. 0.03% No change 830,000 $924K
Bank of New York Mellon Corp 0.00% Reduce -18.8% 650,000 $729K
Kestra Advisory Services, LLC 0.00% New 3,518 $323K
&partners 0.00% Reduce -3.3% 147,000 $162K
Northwestern Mutual Wealth Management Co. 0.00% Add +77.8% 16,000 $18K
Roundview Capital LLC 0.00% No change 12,500 $14K
Lanark Financial, Inc. 0.00% — 12,000 $13K
Wealth Enhancement Advisory Services, LLC 0.00% New 11,000 $12K
Laffer Tengler Investments, Inc. 0.00% Add +0.1% 2,552 $3K

"% 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.