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Southern Co

SO
Exchange
NYSE
Industry
Electric Services
SEC CIK
0000092122

In the last 90 days, Southern Co insiders filed 0 open-market purchases and 6 sales; 2,370 institutions reported holding it in 13F filings for Q2 2026, worth $79.9B in total; no superinvestor holds it.

Other share classesSOJCSOJDSOJESOJFSOMN

13F holders, Q2 2026

Institutional positions in Southern Co as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
2,370
+33 vs. Q1 2026
Shares held
834.3M
+47.0M (+6.0%) vs. Q1 2026
Total value
$79.9B
+$3.90B (+5.1%) vs. Q1 2026
New holders
147
1,106 more added
Sold out
114
729 more reduced

30 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 2,370 institutions
Q1 2021: 1,491 institutionsQ2 2021: 1,508 institutionsQ3 2021: 1,492 institutionsQ4 2021: 1,654 institutionsQ1 2022: 1,700 institutionsQ2 2022: 1,683 institutionsQ3 2022: 1,661 institutionsQ4 2022: 1,737 institutionsQ1 2023: 1,706 institutionsQ2 2023: 1,728 institutionsQ3 2023: 1,713 institutionsQ4 2023: 1,838 institutionsQ1 2024: 1,825 institutionsQ2 2024: 1,888 institutionsQ3 2024: 2,010 institutionsQ4 2024: 2,126 institutionsQ1 2025: 2,207 institutionsQ2 2025: 2,184 institutionsQ3 2025: 2,222 institutionsQ4 2025: 2,273 institutionsQ1 2026: 2,367 institutionsQ2 2026: 2,370 institutions
Value heldQ2 2026: $79.9B
Q1 2021: $39.2BQ2 2021: $38.3BQ3 2021: $39.1BQ4 2021: $43.9BQ1 2022: $47.3BQ2 2022: $47.2BQ3 2022: $46.0BQ4 2022: $49.1BQ1 2023: $48.8BQ2 2023: $48.8BQ3 2023: $44.9BQ4 2023: $49.1BQ1 2024: $51.0BQ2 2024: $56.8BQ3 2024: $66.9BQ4 2024: $61.4BQ1 2025: $69.0BQ2 2025: $70.8BQ3 2025: $74.6BQ4 2025: $69.6BQ1 2026: $76.2BQ2 2026: $79.9B
Institutions holding SO and their total value by quarter
QuarterHoldersValue
Q2 20262,370$79.9B
Q1 20262,367$76.2B
Q4 20252,273$69.6B
Q3 20252,222$74.6B
Q2 20252,184$70.8B
Q1 20252,207$69.0B
Q4 20242,126$61.4B
Q3 20242,010$66.9B
Q2 20241,888$56.8B
Q1 20241,825$51.0B
Q4 20231,838$49.1B
Q3 20231,713$44.9B
Q2 20231,728$48.8B
Q1 20231,706$48.8B
Q4 20221,737$49.1B
Q3 20221,661$46.0B
Q2 20221,683$47.2B
Q1 20221,700$47.3B
Q4 20211,654$43.9B
Q3 20211,492$39.1B
Q2 20211,508$38.3B
Q1 20211,491$39.2B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Southern Co; share changes are against Q1 2026.

Institutions holding SO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
SG Americas Securities, LLC684,551$65.5M0.04%+396,173+137.4%Added
National Bank of Canada678,449$64.9M0.06%+94,311+16.1%Added
Fort Washington Investment Advisors Inc651,760$62.4M0.31%−409−0.1%Reduced
Capital Investment Advisors, LLC648,573$62.1M0.82%+8,373+1.3%Added
Universal- Beteiligungs- und Servicegesellschaft mbH646,054$61.6M0.09%−40,873−6.0%Reduced
Creative Planning625,306$59.8M0.03%+35,749+6.1%Added
Advisor Group Holdings, Inc.621,416$59.5M0.07%+71,414+13.0%Added
Prudential Financial Inc609,584$58.3M0.06%−981,007−61.7%Reduced
Assenagon Asset Management S.A.605,409$57.9M0.08%−3,376−0.6%Reduced
State of Wisconsin Investment Board598,052$57.2M0.12%+8,383+1.4%Added
Clark Capital Management Group, Inc.593,182$56.8M0.31%+8,175+1.4%Added
Magellan Asset Management Ltd592,268$56.7M1.27%+46,723+8.6%Added
Vaughan David Investments LLC590,329$56.5M1.12%+8,953+1.5%Added
Treasurer of the State of North Carolina582,353$55.7M0.14%+110,601+23.4%Added
Wealth Enhancement Advisory Services, LLC570,498$53.7M0.09%+104,203+22.3%Added
The PNC Financial Services Group, Inc.555,870$53.2M0.03%+8,637+1.6%Added
Chevy Chase Trust Holdings, Inc.548,439$52.5M0.14%+1,991+0.4%Added
Schroder Investment Management Group542,307$52.5M0.04%−140,417−20.6%Reduced
Great West Life Assurance Co532,507$50.9M0.08%−97,876−15.5%Reduced
Asset Management One Co.,Ltd.527,081$50.4M0.13%+8,813+1.7%Added
Investment Management Corp of Ontario522,424$50.0M0.63%−64,508−11.0%Reduced
Worldquant Millennium Advisors LLC512,138$49.0M0.17%+135,507+36.0%Added
Verition Fund Management LLC508,415$48.7M0.34%+502,329+8,253.8%Added
OpenArc Corporate Advisory, LLC504,412$48.3M0.57%+52,957+11.7%Added
1832 Asset Management L.P.495,642$47.4M0.06%−69,620−12.3%Reduced
EP Wealth Advisors, LLC491,161$47.0M0.18%+106,017+27.5%Added
Sterling Capital Management LLC484,710$46.4M0.79%−114,744−19.1%Reduced
Van Eck Associates Corp480,883$46.0M0.03%+15,716+3.4%Added
CIBC Asset Management Inc478,067$45.8M0.10%−29,464−5.8%Reduced
Cambridge Investment Research Advisors, Inc.477,447$45.7M0.10%+413+0.1%Added
SEI Investments Co463,111$44.3M0.04%−70,848−13.3%Reduced
AQR Capital Management LLC456,982$43.7M0.02%+76,392+20.1%Added
Savant Capital, LLC447,836$43.0M0.13%+228,843+104.5%Added
Nomura Asset Management Co Ltd449,136$43.0M0.09%+31,308+7.5%Added
Millennium Management LLC434,991$41.6M0.03%−23,467−5.1%Reduced
Mackenzie Financial Corp430,935$41.2M0.04%+31,894+8.0%Added
Public Employees Retirement System of Ohio430,244$41.2M0.12%−15,816−3.5%Reduced
MML Investors Services, LLC429,658$41.1M0.08%+78,432+22.3%Added
Resona Asset Management Co.,Ltd.425,524$40.8M0.19%−18,591−4.2%Reduced
Janney Montgomery Scott LLC421,712$40.4M0.08%+38,195+10.0%Added
Gabelli Funds LLC417,952$40.0M0.26%+20,350+5.1%Added
US Bancorp413,755$39.6M0.04%+3,891+0.9%Added
TD Asset Management Inc411,844$39.4M0.03%−6,295−1.5%Reduced
Edgar Lomax Co411,155$39.4M2.94%−36,915−8.2%Reduced
Capital International Inc402,657$38.5M0.27%+10,118+2.6%Added
Sanctuary Advisors, LLC401,627$38.4M0.18%−1,174−0.3%Reduced
State of Tennessee, Treasury Department392,021$37.5M0.11%+84,943+27.7%Added
Toronto Dominion Bank379,515$36.3M0.06%+29,023+8.3%Added
Mariner, LLC375,232$35.9M0.04%−78,928−17.4%Reduced
Cahaba Wealth Management, Inc.373,857$35.8M2.16%−15,721−4.0%Reduced
Allspring Global Investments Holdings, LLC372,809$35.5M0.05%+3,358+0.9%Added
Southern Financial Group, LLC366,432$35.1M8.95%−1,447−0.4%Reduced
State of New Jersey Common Pension Fund D364,593$34.9M0.12%−11,062−2.9%Reduced
DnB Asset Management AS362,724$34.7M0.10%−184,386−33.7%Reduced
Bollard Group LLC355,146$34.0M1.03%+15,005+4.4%Added
Warren Averett Asset Management, LLC347,945$33.3M0.19%+12,518+3.7%Added
Foundations Investment Advisors, LLC347,316$33.2M0.34%+43,093+14.2%Added
Virginia Retirement Systems Et Al343,619$32.9M0.20%+81,142+30.9%Added
GW Henssler & Associates Ltd343,576$32.9M1.46%+205+0.1%Added
Aptus Capital Advisors, LLC342,150$32.7M0.24%−38,956−10.2%Reduced
Fifth Third Bancorp333,428$31.9M0.05%+1,478+0.4%Added
IFM Investors Pty Ltd331,715$31.7M0.21%+32,839+11.0%Added
Kestra Advisory Services, LLC329,023$31.5M0.10%−34,703−9.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.329,018$31.5M0.04%+71,931+28.0%Added
American Century Companies Inc326,394$31.2M0.01%+19,897+6.5%Added
Captrust Financial Advisors325,851$31.2M0.05%+19,238+6.3%Added
Public Sector Pension Investment Board321,853$30.8M0.08%+8,507+2.7%Added
Czech National Bank320,873$30.7M0.17%+20,992+7.0%Added
Voya Investment Management LLC314,488$30.1M0.03%+13,270+4.4%Added
Arizona State Retirement System312,805$29.9M0.15%+11,059+3.7%Added
Mirae Asset Global Investments Co., Ltd.310,423$29.7M0.06%+94,361+43.7%Added
Liberty One Investment Management, LLC309,176$29.6M2.96%+4,864+1.6%Added
CIBC Bancorp USA Inc.308,433$29.5M0.04%−57,571−15.7%Reduced
Arbejdsmarkedets Tillaegspension304,100$29.1M0.63%+34,504+12.8%Added
Two Sigma Investments, LP303,736$29.1M0.02%+147,758+94.7%Added
Crossmark Global Holdings, Inc.302,533$29.0M0.38%+12,554+4.3%Added
Baird Financial Group, Inc.298,169$28.5M0.04%−1,304−0.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)297,547$28.5M0.05%−35,652−10.7%Reduced
Susquehanna Portfolio Strategies, LLC292,936$28.0M0.45%+1,008+0.3%Added
State of Michigan Retirement System288,623$27.6M0.12%+1,000+0.3%Added
Huntington National Bank287,618$27.5M0.13%+4,412+1.6%Added
Rockefeller Capital Management L.P.281,598$27.0M0.04%+45,729+19.4%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.279,824$26.8M0.03%+223,055+392.9%Added
D. E. Shaw & Co., Inc.275,457$26.4M0.02%−84,043−23.4%Reduced
Teacher Retirement System of Texas268,847$25.7M0.07%+72,754+37.1%Added
Vinva Investment Management Ltd262,779$25.4M0.17%+155,931+145.9%Added
Hennessy Advisors Inc263,900$25.3M0.81%+7,800+3.0%Added
Shaolin Capital Management LLC262,895$25.2M1.43%−32,838−11.1%Reduced
Crawford Investment Counsel Inc262,546$25.1M0.42%+170+0.1%Added
O'Shaughnessy Asset Management, LLC261,561$25.0M0.12%+14,824+6.0%Added
STRS Ohio260,196$24.9M0.09%−19,951−7.1%Reduced
MetLife Investment Management257,921$24.7M0.11%+625+0.2%Added
Cerity Partners LLC256,903$24.6M0.03%−3,881−1.5%Reduced
Illinois Municipal Retirement Fund255,702$24.5M0.28%−32,912−11.4%Reduced
Swiss Life Asset Management Ltd250,850$24.0M0.10%−15,108−5.7%Reduced
Mercer Global Advisors Inc249,562$23.9M0.03%+13,696+5.8%Added
Woodline Partners LP246,048$23.5M0.07%+30,377+14.1%Added
CI Private Wealth, LLC243,080$23.3M0.03%−8,338−3.3%Reduced
MAI Capital Management242,161$23.2M0.09%+3,524+1.5%Added
Becker Capital Management Inc241,005$23.1M0.62%+3,113+1.3%Added