SOUTHERN CO SO
COM · Common Stock · CUSIP 842587107 · ISIN US8425871071
US electricity corporation
- SectorUtilities
- IndustryElectric Services
- HeadquartersAtlanta, GA
- Founded1945
- Websitesoutherncompany.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($247.7m this quarter). Holder counts are more reliable. Shares outstanding: 1.1bn as of 2023-01-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $71.38. Options: 32 managers hold calls ($318.4m notional), 34 hold puts ($211.7m).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1,660 |
| Q4 2022 | 1,735 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $294.1m | $255.4m | 0.87 |
| Q4 2022 | $318.4m | $211.7m | 0.66 |
Biggest buyers
| BlackRock Inc. | Added | +4.6m |
| VANGUARD GROUP INC | Added | +3.3m |
| NORGES BANK | Added | +2.7m |
| Caisse de depot et placement du Quebec | New | +1.7m |
| Zimmer Partners, LP | Added | +1.6m |
| ClearBridge Investments Ltd | New | +1.4m |
| FIRST TRUST ADVISORS LP | Added | +823.4k |
| Balyasny Asset Management L.P. | Added | +790.7k |
| MARSHALL WACE, LLP | Added | +635.0k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +584.9k |
Biggest sellers
| FMR LLC | Reduced | -5.4m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -2.8m |
| MILLENNIUM MANAGEMENT LLC | Sold out | -2.0m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -1.1m |
| REAVES W H & CO INC | Reduced | -920.2k |
| FORSTA AP-FONDEN | Reduced | -613.9k |
| TWO SIGMA ADVISERS, LP | Sold out | -571.7k |
| TWO SIGMA INVESTMENTS, LP | Sold out | -537.6k |
| GOLDMAN SACHS GROUP INC | Reduced | -498.7k |
| HRT FINANCIAL LP | Sold out | -462.1k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $57.9m811.1k shares |
| CITADEL ADVISORS LLC | Reduced | $55.8m781.4k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $50.1m701.9k shares |
| JANE STREET GROUP, LLC | Added | $42.4m593.4k shares |
| SIMPLEX TRADING, LLC | Added | $15.5m216.9k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $13.1m184.0k shares |
| Cubist Systematic Strategies, LLC | Reduced | $12.7m177.2k shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $12.4m1.7k shares |
| JPMORGAN CHASE & CO | Added | $12.0m167.5k shares |
| D. E. Shaw & Co., Inc. | Reduced | $8.7m122.3k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $40.6m568.1k shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $31.5m4.4k shares |
| JPMORGAN CHASE & CO | Reduced | $23.6m329.8k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $14.6m204.1k shares |
| UBS Group AG | Added | $14.3m200.8k shares |
| CITADEL ADVISORS LLC | Reduced | $12.8m179.0k shares |
| BANK OF AMERICA CORP /DE/ | Added | $10.3m144.0k shares |
| Walleye Trading LLC | Reduced | $8.7m121.2k shares |
| SIMPLEX TRADING, LLC | Reduced | $8.6m120.9k shares |
| HSBC HOLDINGS PLC | Unchanged | $8.1m114.2k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 7.4% |
| Capital World Investors 13G · institution new · filed 2026-05-14 | 5.6% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC), JPMORGAN CHASE & CO (3.7%, 2026-03-05)
Insider purchases and sales in Q4 2022
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2021 | 0 | — | 0 | — | — |
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 4 | $5.2m | — |
| Q1 2022 | 0 | — | 6 | $18.6m | — |
| Q2 2022 | 0 | — | 3 | $12.8m | — |
| Q3 2022 | 0 | — | 2 | $5.2m | — |
| Q4 2022 | 0 | — | 2 | $2.2m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2022-12-07 | DAVIS MARTIN BERNARD EVP and CIO | Sold | $100.8k1.5k shares |
| 2022-11-10 | Kuczynski Stephen E Pres. & CEO, Southern Nuclear | Sold | $938.7k14.5k shares |
| 2022-10-28 | DAVIS MARTIN BERNARD EVP and CIO | Sold | $200.7k3.0k shares |
| 2022-10-10 | Kuczynski Stephen E Pres. & CEO, Southern Nuclear | Sold | $935.5k14.5k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q4 2022
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.19% of their portfolio | 97.9m $7.0bn | Added +3.3m |
| BlackRock Inc. 0.18% of their portfolio | 81.0m $5.8bn | Added +4.6m |
| STATE STREET CORP 0.27% of their portfolio | 65.2m $4.7bn | Added +112.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.69% of their portfolio | 60.2m $4.3bn | Reduced -2.8m |
| FMR LLC 0.23% of their portfolio | 31.8m $2.3bn | Reduced -5.4m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.66% of their portfolio | 26.6m $1.9bn | Reduced -1.1m |
| GEODE CAPITAL MANAGEMENT, LLC 0.20% of their portfolio | 19.5m $1.4bn | Added +584.9k |
| FRANKLIN RESOURCES INC 0.56% of their portfolio | 15.1m $1.1bn | Added +140.7k |
| NORTHERN TRUST CORP 0.18% of their portfolio | 11.7m $835.5m | Reduced -198.4k |
| Capital Research Global Investors 0.24% of their portfolio | 11.0m $787.4m | Reduced -385.7k |
| MORGAN STANLEY 0.07% of their portfolio | 9.2m $656.3m | Added +255.8k |
| Legal & General Group Plc 0.25% of their portfolio | 9.0m $645.9m | Reduced -51.5k |
| Bank of New York Mellon Corp 0.15% of their portfolio | 9.0m $643.7m | Added +218.5k |
| Invesco Ltd. 0.18% of their portfolio | 8.7m $621.0m | Added +316.2k |
| BANK OF AMERICA CORP /DE/ 0.07% of their portfolio | 7.5m $536.0m | Added +530.6k |
| California Public Employees Retirement System 0.44% of their portfolio | 7.2m $513.1m | Reduced -370.0k |
| NORGES BANK 0.11% of their portfolio | 6.1m $436.0m | Added +2.7m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.13% of their portfolio | 5.8m $416.6m | Added +228.2k |
| FEDERATED HERMES, INC. 1.12% of their portfolio | 5.6m $403.0m | Added +322.6k |
| PICTET ASSET MANAGEMENT SA 0.51% of their portfolio | 5.0m $356.0m | Added +243.8k |
| Nuveen Asset Management, LLC 0.12% of their portfolio | 4.5m $318.6m | Added +514.5k |
| Swiss National Bank 0.23% of their portfolio | 4.4m $315.8m | Reduced -181.6k |
| WELLS FARGO & COMPANY/MN 0.10% of their portfolio | 4.4m $312.2m | Added +157.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.15% of their portfolio | 3.9m $278.2m | Added +230.4k |
| GOLDMAN SACHS GROUP INC 0.08% of their portfolio | 3.8m $270.8m | Reduced -498.7k |
| Ensign Peak Advisors, Inc 0.58% of their portfolio | 3.6m $258.2m | Added +134.3k |
| JPMORGAN CHASE & CO 0.03% of their portfolio | 3.4m $245.7m | Added +307.2k |
| ROYAL BANK OF CANADA 0.07% of their portfolio | 3.4m $243.9m | Added +557.5k |
| Sumitomo Mitsui Trust Group, Inc. 0.19% of their portfolio | 3.3m $233.9m | Reduced -179.5k |
| RENAISSANCE TECHNOLOGIES LLC 0.29% of their portfolio | 3.0m $212.7m | Reduced -83.2k |
| FIRST TRUST ADVISORS LP 0.22% of their portfolio | 2.6m $186.9m | Added +823.4k |
| WELLINGTON MANAGEMENT GROUP LLP 0.04% of their portfolio | 2.5m $178.9m | Added +15.6k |
| AMERIPRISE FINANCIAL INC 0.05% of their portfolio | 2.2m $160.3m | Added +41.8k |
| RAYMOND JAMES & ASSOCIATES 0.15% of their portfolio | 2.2m $159.8m | Added +43.6k |
| BANK OF MONTREAL /CAN/ 0.07% of their portfolio | 2.1m $154.2m | Added +304.8k |
| RHUMBLINE ADVISERS 0.20% of their portfolio | 2.1m $150.2m | Added +57.1k |
| DEUTSCHE BANK AG\ 0.08% of their portfolio | 2.0m $140.4m | Added +264.2k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.19% of their portfolio | 1.9m $138.5m | Added +109.2k |
| DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio | 1.9m $137.7m | Added +40.7k |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.16% of their portfolio | 1.9m $136.8m | Added +280.6k |
| VICTORY CAPITAL MANAGEMENT INC 0.16% of their portfolio | 1.9m $135.0m | Added +69.3k |
| CONFLUENCE INVESTMENT MANAGEMENT LLC 2.01% of their portfolio | 1.9m $134.5m | Added +20.1k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.23% of their portfolio | 1.8m $128.5m | Reduced -237.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.20% of their portfolio | 1.8m $126.8m | Added +17.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.07% of their portfolio | 1.8m $126.4m | Added +110.1k |
| Zimmer Partners, LP 2.51% of their portfolio | 1.7m $124.9m | Added +1.6m |
| Caisse de depot et placement du Quebec 0.38% of their portfolio | 1.7m $124.3m | New |
| National Pension Service 0.24% of their portfolio | 1.7m $123.5m | Added +53.8k |
| LPL Financial LLC 0.10% of their portfolio | 1.7m $122.3m | Added +108.0k |
| Amundi 0.07% of their portfolio | 1.7m $120.8m | Reduced -390.0k |
| SYNOVUS FINANCIAL CORP 1.37% of their portfolio | 1.7m $119.8m | Reduced -5.4k |
| APG Asset Management N.V. 0.22% of their portfolio | 1.6m $113.7m | Reduced -38.3k |
| UBS Group AG 0.05% of their portfolio | 1.6m $111.2m | Added +538.2k |
| MARSHALL WACE, LLP 0.28% of their portfolio | 1.5m $108.4m | Added +635.0k |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO 1.26% of their portfolio | 1.5m $103.8m | Added +5.8k |
| Balyasny Asset Management L.P. 0.36% of their portfolio | 1.4m $102.8m | Added +790.7k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.06% of their portfolio | 1.4m $101.0m | Reduced -23.7k |
| ClearBridge Investments Ltd 3.05% of their portfolio | 1.4m $100.3m | New |
| Energy Income Partners, LLC 2.18% of their portfolio | 1.4m $97.0m | Added +437.4k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.23% of their portfolio | 1.3m $95.1m | Reduced -25.7k |
| PRINCIPAL FINANCIAL GROUP INC 0.07% of their portfolio | 1.3m $94.4m | Reduced -2.0k |
| JENNISON ASSOCIATES LLC 0.10% of their portfolio | 1.3m $94.4m | Added +363.9k |
| CREDIT SUISSE AG/ 0.10% of their portfolio | 1.3m $92.6m | Added +92.1k |
| BARCLAYS PLC 0.08% of their portfolio | 1.3m $92.5m | First filing |
| HSBC HOLDINGS PLC 0.11% of their portfolio | 1.3m $91.2m | Added +432.3k |
| ALLIANCEBERNSTEIN L.P. 0.04% of their portfolio | 1.3m $90.3m | Added +3.6k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.21% of their portfolio | 1.2m $87.0m | Reduced -170 |
| ZACKS INVESTMENT MANAGEMENT 1.17% of their portfolio | 1.2m $84.1m | Added +43.7k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.21% of their portfolio | 1.2m $83.6m | Added +3.9k |
| PERSONAL CAPITAL ADVISORS CORP 0.40% of their portfolio | 1.2m $82.6m | Added +29.2k |
| TRUIST FINANCIAL CORP 0.13% of their portfolio | 1.1m $76.0m | Added +43.9k |
| COHEN & STEERS, INC. 0.17% of their portfolio | 1.1m $75.2m | Unchanged |
| Korea Investment CORP 0.23% of their portfolio | 1.0m $74.3m | Added +12.0k |
| STIFEL FINANCIAL CORP 0.11% of their portfolio | 1.0m $71.6m | Added +44.5k |
| BNP PARIBAS FINANCIAL MARKETS 0.18% of their portfolio | 999.0k $71.3m | Added +463.1k |
| HighTower Advisors, LLC 0.16% of their portfolio | 979.5k $69.9m | Added +121.1k |
| PRUDENTIAL FINANCIAL INC 0.12% of their portfolio | 978.4k $69.9m | Added +55.3k |
| CITIGROUP INC 0.10% of their portfolio | 972.0k $69.4m | Added +126.8k |
| OLD REPUBLIC INTERNATIONAL CORP 2.09% of their portfolio | 933.0k $66.6m | Reduced -36.5k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.15% of their portfolio | 901.6k $64.4m | Reduced -190 |
| MACQUARIE GROUP LTD 0.07% of their portfolio | 889.5k $63.3m | Reduced -30.6k |
| Clark Capital Management Group, Inc. 0.57% of their portfolio | 862.7k $61.6m | Reduced -79.1k |
| Mawer Investment Management Ltd. 0.33% of their portfolio | 819.2k $58.5m | Added +5.2k |
| Mitsubishi UFJ Trust & Banking Corp 0.15% of their portfolio | 810.7k $57.9m | Added +101.3k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.16% of their portfolio | 792.5k $57.0m | Added +107.6k |
| MACKENZIE FINANCIAL CORP 0.09% of their portfolio | 785.3k $56.1m | Reduced -96.8k |
| J.P. Morgan Private Wealth Advisors LLC 0.12% of their portfolio | 774.8k $55.3m | Reduced -97.2k |
| OSAIC HOLDINGS, INC. 0.11% of their portfolio | 770.1k $55.0m | Reduced -1.6k |
| Stonegate Investment Group, LLC 2.34% of their portfolio | 759.1k $54.2m | Added +1.4k |
| NATIXIS ADVISORS, LLC 0.20% of their portfolio | 757.5k $54.1m | Added +24.6k |
| Welch Group, LLC 2.96% of their portfolio | 724.9k $51.8m | Added +10.8k |
| InterOcean Capital Group, LLC 1.77% of their portfolio | 675.7k $48.3m | Added +15.7k |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.20% of their portfolio | 652.9k $46.6m | Added +18.6k |
| State of New Jersey Common Pension Fund D 0.18% of their portfolio | 649.8k $46.4m | Added +11.8k |
| Raymond James Financial Services Advisors, Inc. 0.09% of their portfolio | 641.1k $45.8m | Added +3.1k |
| CAPITAL ADVISORS INC/OK 1.30% of their portfolio | 639.7k $45.7m | Added +5.6k |
| Chevy Chase Trust Holdings, LLC 0.19% of their portfolio | 632.1k $45.1m | Reduced -22.3k |
| CANADA LIFE ASSURANCE Co 0.11% of their portfolio | 574.0k $41.2m | Reduced -7.7k |
| VOYA INVESTMENT MANAGEMENT LLC 0.05% of their portfolio | 573.8k $41.0m | Added +17.9k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.13% of their portfolio | 565.4k $40.4m | Reduced -39.3k |