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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, Q3 2021

Institutional positions in Southern Co as of Sep 30, 2021. 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
1,492
+9 vs. Q2 2021
Shares held
631.5M
+4.93M (+0.8%) vs. Q2 2021
Total value
$39.1B
+$1.22B (+3.2%) vs. Q2 2021
New holders
95
602 more added
Sold out
86
520 more reduced

25 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 1,492 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 heldQ3 2021: $39.1B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Southern Co; share changes are against Q2 2021.

Institutions holding SO in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Thomasville National Bank87,068$5.39M0.56%−63−0.1%Reduced
Greystone Financial Group, LLC87,734$5.44M1.62%−21,932−20.0%Reduced
Huntington National Bank88,076$5.46M0.05%−13,592−13.4%Reduced
Oregon Public Employees Retirement Fund88,619$5.49M0.06%00.0%Unchanged
Mercer Global Advisors Inc88,636$5.49M0.04%+14,642+19.8%Added
Sumitomo Mitsui DS Asset Management Company, Ltd88,699$5.50M0.13%+494+0.6%Added
Carret Asset Management, LLC89,152$5.53M0.66%−1,950−2.1%Reduced
Norinchukin Bank, The89,505$5.55M0.08%+1,910+2.2%Added
Hantz Financial Services, Inc.89,705$5.56M0.18%+11,229+14.3%Added
Fiduciary Group LLC88,656$5.61M0.64%+2,850+3.3%Added
Umb Bank N A90,881$5.63M0.13%+465+0.5%Added
Blair William & Co91,621$5.68M0.02%+1,850+2.1%Added
Aull & Monroe Investment Management Corp92,043$5.70M2.81%−932−1.0%Reduced
6 Meridian92,067$5.71M0.45%+50,203+119.9%Added
Cetera Advisors LLC92,819$5.75M0.11%+13,873+17.6%Added
Davenport & Co LLC93,074$5.77M0.04%+3,441+3.8%Added
New England Asset Management Inc93,995$5.83M0.10%+2,400+2.6%Added
Massmutual Trust Co FSB94,275$5.84M0.24%+1,927+2.1%Added
Trustmark National Bank Trust Department94,444$5.85M0.47%−19,413−17.1%Reduced
Raymond James Trust N.A.94,591$5.86M0.20%+2,678+2.9%Added
First Horizon Advisors, Inc.94,793$5.87M0.19%+88,236+1,345.7%Added
Homrich & Berg94,872$5.88M0.13%+3,576+3.9%Added
Pinnacle Financial Partners Inc96,260$5.96M0.21%+3,139+3.4%Added
Pacer Advisors, Inc.96,434$5.98M0.08%+23,387+32.0%Added
Brookstone Capital Management96,522$6.03M0.11%+14,785+18.1%Added
First PREMIER Bank98,528$6.11M1.73%−1,963−2.0%Reduced
South Dakota Investment Council99,071$6.14M0.11%00.0%Unchanged
Edgemoor Investment Advisors, Inc.99,240$6.15M0.70%−18,793−15.9%Reduced
Cetera Advisor Networks LLC99,391$6.16M0.08%+1,681+1.7%Added
Principle Wealth Partners LLC99,810$6.18M0.71%+1,132+1.1%Added
Squarepoint Ops LLC99,920$6.19M0.04%−85,774−46.2%Reduced
MainStreet Investment Advisors LLC100,396$6.22M0.60%−2,177−2.1%Reduced
Fifth Third Bancorp100,454$6.22M0.03%+200.0%Added
Cubist Systematic Strategies, LLC103,454$6.41M0.08%−187,694−64.5%Reduced
Hartford Investment Management Co104,697$6.49M0.18%−12,264−10.5%Reduced
Mayflower Financial Advisors, LLC103,197$6.50M0.88%+380.0%Added
Biondo Investment Advisors, LLC103,962$6.51M1.12%+1,720+1.7%Added
Eaton Vance Management135,149$6.75M0.01%−32,524−19.4%Reduced
Kanawha Capital Management LLC109,273$6.77M0.63%+222+0.2%Added
Polaris Wealth Advisory Group, LLC108,331$6.79M0.41%+108,331New
Bragg Financial Advisors, Inc109,846$6.81M0.44%−3,797−3.3%Reduced
CIBC Private Wealth Group, LLC110,286$6.83M0.02%−30,436−21.6%Reduced
Associated Banc-Corp111,119$6.89M0.27%−3,365−2.9%Reduced
Nissay Asset Management Corp111,434$6.91M0.06%+4,614+4.3%Added
Westpac Banking Corp113,106$7.01M0.08%−7,365−6.1%Reduced
Securian Asset Management, Inc114,299$7.08M0.15%+25,028+28.0%Added
Illinois Municipal Retirement Fund114,315$7.08M0.26%+80,078+233.9%Added
Signature Wealth Management Group114,638$7.10M3.95%−1,907−1.6%Reduced
Cahaba Wealth Management, Inc.117,526$7.28M1.07%+4,102+3.6%Added
Thrivent Financial for Lutherans119,125$7.36M0.01%+222+0.2%Added
Cetera Investment Advisers118,734$7.36M0.12%+2,599+2.2%Added
TCTC Holdings, LLC120,316$7.46M0.34%−6,590−5.2%Reduced
KBC Group NV120,419$7.46M0.03%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.121,062$7.50M0.04%+12,074+11.1%Added
Natixis123,305$7.64M0.03%+123,305New
Wealthfront Advisers LLC123,429$7.65M0.04%+40,314+48.5%Added
Metropolitan Life Insurance Co124,533$7.72M0.11%−4,207−3.3%Reduced
Morgan Dempsey Capital Management LLC124,794$7.73M2.55%−6,750−5.1%Reduced
HITE Hedge Asset Management LLC125,000$7.75M0.98%+125,000New
Marshall Wace, LLP125,757$7.79M0.04%−400,480−76.1%Reduced
U.S. Capital Wealth Advisors, LLC126,362$7.83M0.34%+126,362New
Redpoint Investment Management Pty Ltd126,422$7.83M0.67%+161+0.1%Added
Private Advisor Group, LLC126,729$7.85M0.05%+27,629+27.9%Added
Buckhead Capital Management LLC126,870$7.86M1.76%−2,235−1.7%Reduced
Chartwell Investment Partners, LLC128,319$7.95M0.25%+128,319New
Coann Capital LLC128,520$7.96M7.68%+128,520New
Brinker Capital Investments, LLC132,589$8.02M0.13%00.0%Unchanged
Becker Capital Management Inc131,054$8.12M0.34%+4,805+3.8%Added
Schroder Investment Management Group132,689$8.22M0.01%−19,578−12.9%Reduced
IFM Investors Pty Ltd132,862$8.23M0.17%−727−0.5%Reduced
M&T Bank Corp133,931$8.30M0.04%+2,415+1.8%Added
Keybank National Association134,408$8.33M0.04%−1,168−0.9%Reduced
Advisors Management Group Inc135,014$8.37M2.60%−905−0.7%Reduced
Stephens Inc135,319$8.39M0.13%−1,151−0.8%Reduced
Advisory Services Network, LLC135,514$8.40M0.27%+34,560+34.2%Added
Nisa Investment Advisors, LLC135,990$8.43M0.05%+500+0.4%Added
Dai-Ichi Life Insurance Company, Ltd136,120$8.44M0.11%00.0%Unchanged
Bridgeworth, LLC137,371$8.51M2.39%−1,062−0.8%Reduced
Core Alternative Capital137,798$8.54M1.82%+17,638+14.7%Added
Te Ahumairangi Investment Management Ltd137,963$8.55M1.18%−21,500−13.5%Reduced
Mutual of America Capital Management LLC138,929$8.61M0.09%+728+0.5%Added
Rockland Trust Co141,758$8.78M0.61%+6,844+5.1%Added
Northern Oak Wealth Management Inc146,585$9.08M1.11%+4,833+3.4%Added
ExodusPoint Capital Management, LP146,736$9.09M0.14%−635,529−81.2%Reduced
Leavell Investment Management, Inc.147,402$9.13M0.68%+368+0.3%Added
Eagle Ridge Investment Management148,748$9.22M1.03%+6,718+4.7%Added
Kestra Advisory Services, LLC151,052$9.36M0.09%−30,094−16.6%Reduced
AE Wealth Management LLC152,069$9.42M0.08%−4,181−2.7%Reduced
Intact Investment Management Inc.152,500$9.45M0.26%00.0%Unchanged
Maryland Capital Management155,735$9.65M0.58%−5,276−3.3%Reduced
Mackay Shields LLC161,489$10.0M0.09%−4,684−2.8%Reduced
Texas Permanent School Fund163,572$10.1M0.12%−12,297−7.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)168,842$10.5M0.06%−5,080−2.9%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.168,639$10.5M0.16%+40,260+31.4%Added
CIBC Asset Management Inc169,600$10.5M0.04%+240.0%Added
Public Employees Retirement Association of Colorado172,854$10.7M0.05%−250−0.1%Reduced
Qube Research & Technologies Ltd174,411$10.8M0.14%−333,019−65.6%Reduced
Commerce Bank177,621$11.0M0.08%+3,417+2.0%Added
Public Sector Pension Investment Board178,588$11.1M0.07%+10,796+6.4%Added
State of Tennessee, Treasury Department178,872$11.1M0.04%−9,691−5.1%Reduced