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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; 2,371 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

Q3 2026 data is still coming in: 13 institutions have reported holding SO so far. See Q3 2026

Institutional holders
2,371
+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
730 more reduced

29 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: 2,371 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: 2,371 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 20262,371$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
Arizona State Retirement System312,805$29.9M0.15%+11,059+3.7%Added
Voya Investment Management LLC314,488$30.1M0.03%+13,270+4.4%Added
Czech National Bank320,873$30.7M0.17%+20,992+7.0%Added
Public Sector Pension Investment Board321,853$30.8M0.08%+8,507+2.7%Added
Captrust Financial Advisors325,851$31.2M0.05%+19,238+6.3%Added
American Century Companies Inc326,394$31.2M0.01%+19,897+6.5%Added
Mirae Asset Global ETFs Holdings Ltd.329,018$31.5M0.04%+71,931+28.0%Added
Kestra Advisory Services, LLC329,023$31.5M0.10%−34,703−9.5%Reduced
IFM Investors Pty Ltd331,715$31.7M0.21%+32,839+11.0%Added
Fifth Third Bancorp333,428$31.9M0.05%+1,478+0.4%Added
Aptus Capital Advisors, LLC342,150$32.7M0.24%−38,956−10.2%Reduced
GW Henssler & Associates Ltd343,576$32.9M1.46%+205+0.1%Added
Virginia Retirement Systems Et Al343,619$32.9M0.20%+81,142+30.9%Added
Foundations Investment Advisors, LLC347,316$33.2M0.34%+43,093+14.2%Added
Warren Averett Asset Management, LLC347,945$33.3M0.19%+12,518+3.7%Added
Bollard Group LLC355,146$34.0M1.03%+15,005+4.4%Added
DnB Asset Management AS362,724$34.7M0.10%−184,386−33.7%Reduced
State of New Jersey Common Pension Fund D364,593$34.9M0.12%−11,062−2.9%Reduced
Southern Financial Group, LLC366,432$35.1M8.95%−1,447−0.4%Reduced
Allspring Global Investments Holdings, LLC372,809$35.5M0.05%+3,358+0.9%Added
Cahaba Wealth Management, Inc.373,857$35.8M2.16%−15,721−4.0%Reduced
Mariner, LLC375,232$35.9M0.04%−78,928−17.4%Reduced
Toronto Dominion Bank379,515$36.3M0.06%+29,023+8.3%Added
State of Tennessee, Treasury Department392,021$37.5M0.11%+84,943+27.7%Added
Sanctuary Advisors, LLC401,627$38.4M0.18%−1,174−0.3%Reduced
Capital International Inc402,657$38.5M0.27%+10,118+2.6%Added
Edgar Lomax Co411,155$39.4M2.94%−36,915−8.2%Reduced
TD Asset Management Inc411,844$39.4M0.03%−6,295−1.5%Reduced
US Bancorp413,755$39.6M0.04%+3,891+0.9%Added
Gabelli Funds LLC417,952$40.0M0.26%+20,350+5.1%Added
Janney Montgomery Scott LLC421,712$40.4M0.08%+38,195+10.0%Added
Resona Asset Management Co.,Ltd.425,524$40.8M0.19%−18,591−4.2%Reduced
MML Investors Services, LLC429,658$41.1M0.08%+78,432+22.3%Added
Public Employees Retirement System of Ohio430,244$41.2M0.12%−15,816−3.5%Reduced
Mackenzie Financial Corp430,935$41.2M0.04%+31,894+8.0%Added
Millennium Management LLC434,991$41.6M0.03%−23,467−5.1%Reduced
Nomura Asset Management Co Ltd449,136$43.0M0.09%+31,308+7.5%Added
Savant Capital, LLC447,836$43.0M0.13%+228,843+104.5%Added
AQR Capital Management LLC456,982$43.7M0.02%+76,392+20.1%Added
SEI Investments Co463,111$44.3M0.04%−70,848−13.3%Reduced
Cambridge Investment Research Advisors, Inc.477,447$45.7M0.10%+413+0.1%Added
CIBC Asset Management Inc478,067$45.8M0.10%−29,464−5.8%Reduced
Van Eck Associates Corp480,883$46.0M0.03%+15,716+3.4%Added
Sterling Capital Management LLC484,710$46.4M0.79%−114,744−19.1%Reduced
EP Wealth Advisors, LLC491,161$47.0M0.18%+106,017+27.5%Added
1832 Asset Management L.P.495,642$47.4M0.06%−69,620−12.3%Reduced
OpenArc Corporate Advisory, LLC504,412$48.3M0.57%+52,957+11.7%Added
Verition Fund Management LLC508,415$48.7M0.34%+502,329+8,253.8%Added
Worldquant Millennium Advisors LLC512,138$49.0M0.17%+135,507+36.0%Added
Investment Management Corp of Ontario522,424$50.0M0.63%−64,508−11.0%Reduced
Asset Management One Co.,Ltd.527,081$50.4M0.13%+8,813+1.7%Added
Great West Life Assurance Co532,507$50.9M0.08%−97,876−15.5%Reduced
Schroder Investment Management Group542,307$52.5M0.04%−140,417−20.6%Reduced
Chevy Chase Trust Holdings, Inc.548,439$52.5M0.14%+1,991+0.4%Added
The PNC Financial Services Group, Inc.555,870$53.2M0.03%+8,637+1.6%Added
Wealth Enhancement Advisory Services, LLC570,498$53.7M0.09%+104,203+22.3%Added
Treasurer of the State of North Carolina582,353$55.7M0.14%+110,601+23.4%Added
Vaughan David Investments LLC590,329$56.5M1.12%+8,953+1.5%Added
Magellan Asset Management Ltd592,268$56.7M1.27%+46,723+8.6%Added
Clark Capital Management Group, Inc.593,182$56.8M0.31%+8,175+1.4%Added
State of Wisconsin Investment Board598,052$57.2M0.12%+8,383+1.4%Added
Assenagon Asset Management S.A.605,409$57.9M0.08%−3,376−0.6%Reduced
Prudential Financial Inc609,584$58.3M0.06%−981,007−61.7%Reduced
Advisor Group Holdings, Inc.621,416$59.5M0.07%+71,414+13.0%Added
Creative Planning625,306$59.8M0.03%+35,749+6.1%Added
Universal- Beteiligungs- und Servicegesellschaft mbH646,054$61.6M0.09%−40,873−6.0%Reduced
Capital Investment Advisors, LLC648,573$62.1M0.82%+8,373+1.3%Added
Fort Washington Investment Advisors Inc651,760$62.4M0.31%−409−0.1%Reduced
National Bank of Canada678,449$64.9M0.06%+94,311+16.1%Added
SG Americas Securities, LLC684,551$65.5M0.04%+396,173+137.4%Added
Cohen & Steers, Inc.691,562$66.2M0.10%00.0%Unchanged
Quantinno Capital Management LP700,173$67.0M0.08%+240,610+52.4%Added
Balyasny Asset Management LLC701,019$67.1M0.12%+543,308+344.5%Added
Arrowstreet Capital, Limited Partnership704,100$67.4M0.03%+144,224+25.8%Added
Victory Capital Management Inc707,473$67.7M0.04%+3,987+0.6%Added
Old Republic International Corporation711,900$68.1M2.55%00.0%Unchanged
Vaughan Nelson Investment Management, L.P.745,415$71.3M0.63%+745,415New
Bank Julius Baer & Co. Ltd, Zurich746,107$71.6M0.19%+11,841+1.6%Added
Korea Investment CORP756,114$72.4M0.14%−83,908−10.0%Reduced
New York State Teachers Retirement System779,399$74.6M0.14%−85,371−9.9%Reduced
Welch Group, LLC787,841$75.4M2.58%+5,050+0.6%Added
Mitsubishi UFJ Trust & Banking Corp811,142$77.6M0.17%+16,988+2.1%Added
Cetera Investment Advisers819,582$78.4M0.07%+21,093+2.6%Added
APG Asset Management N.V.954,653$79.9M0.20%+209,252+28.1%Added
Macquarie Group Ltd846,178$81.0M0.35%+105,436+14.2%Added
Commonwealth Equity Services, LLC873,978$83.6M0.11%−16,602−1.9%Reduced
State Board of Administration of Florida Retirement System946,207$90.6M0.15%−14,632−1.5%Reduced
Truist Financial Corp971,161$92.9M0.11%+70.0%Added
Jones Financial Companies LLLP964,398$93.7M0.04%+172,374+21.8%Added
New York State Common Retirement Fund1,033,775$98.9M0.12%−17,800−1.7%Reduced
Capital International Investors1,036,760$99.2M0.02%−347,049−25.1%Reduced
Zacks Investment Management1,037,823$99.3M0.71%+3460.0%Added
Duff & Phelps Investment Management Co1,066,805$102.1M0.96%−6,489−0.6%Reduced
GWM Advisors LLC1,067,217$102.1M0.30%+27,944+2.7%Added
Stifel Financial Corp1,067,608$102.2M0.09%+12,079+1.1%Added
Alliancebernstein L.P.1,064,958$102.8M0.04%+19,498+1.9%Added
Vanguard Investments Australia, Ltd.1,126,072$107.8M0.27%+55,581+5.2%Added
Capital Advisors Inc1,139,024$109.0M1.60%+99,735+9.6%Added
Russell Investments Group, Ltd.1,168,322$111.8M0.10%+44,680+4.0%Added
Citadel Advisors LLC1,173,137$112.3M0.06%+278,240+31.1%Added