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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 5 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, Q4 2025

Institutional positions in Southern Co as of Dec 31, 2025. 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
2,273
+98 vs. Q3 2025
Shares held
797.3M
+14.1M (+1.8%) vs. Q3 2025
Total value
$69.6B
−$4.66B (−6.3%) vs. Q3 2025
New holders
246
864 more added
Sold out
148
806 more reduced

47 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 2,273 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 heldQ4 2025: $69.6B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Southern Co; share changes are against Q3 2025.

Institutions holding SO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Savant Capital, LLC218,592$19.1M0.11%+8,034+3.8%Added
Mirae Asset Global ETFs Holdings Ltd.215,912$18.8M0.03%+35,837+19.9%Added
O'Shaughnessy Asset Management, LLC214,247$18.7M0.10%−17,941−7.7%Reduced
Carnegie Capital Asset Management, LLC211,962$18.5M0.34%+4,612+2.2%Added
CWA Asset Management Group, LLC208,204$18.2M0.65%+6,191+3.1%Added
Mackenzie Financial Corp206,583$18.1M0.02%−700,533−77.2%Reduced
ProShare Advisors LLC206,817$18.0M0.03%−353−0.2%Reduced
Sanibel Captiva Trust Company, Inc.206,221$18.0M0.50%−110−0.1%Reduced
Vestcor Inc206,180$18.0M0.51%+60,173+41.2%Added
Amalgamated Bank203,644$17.8M0.13%−9,668−4.5%Reduced
Millennium Management LLC202,694$17.7M0.01%−165,226−44.9%Reduced
Mirae Asset Global Investments Co., Ltd.201,137$17.5M0.05%+32,933+19.6%Added
Calamos Advisors LLC196,647$17.1M0.07%−7,648−3.7%Reduced
Eurizon Capital SGR S.p.A.194,925$17.0M0.05%+194,925New
British Columbia Investment Management Corp195,027$17.0M0.09%+36,882+23.3%Added
PensionDanmark Pensionsforsikringsaktieselskab194,410$17.0M0.15%+194,410New
Benjamin Edwards Inc192,629$16.8M0.19%−1,819−0.9%Reduced
HB Wealth Management, LLC192,433$16.8M0.11%+1,913+1.0%Added
Steward Partners Investment Advisory, LLC188,032$16.4M0.09%+11,890+6.8%Added
Woodline Partners LP187,849$16.4M0.06%+42,465+29.2%Added
Jones Financial Companies LLLP187,652$16.4M0.01%+23,064+14.0%Added
iA Global Asset Management Inc.186,800$16.3M0.21%−24,378−11.5%Reduced
Nichols & Pratt Advisers LLP186,548$16.3M1.02%00.0%Unchanged
Regions Financial Corp186,388$16.3M0.10%−10,248−5.2%Reduced
Leavell Investment Management, Inc.185,419$16.2M0.67%−2,867−1.5%Reduced
Cbre Clarion Securities LLC184,682$16.1M0.24%+184,682New
Utah Retirement Systems181,993$15.9M0.15%00.0%Unchanged
Daiwa Securities Group Inc.180,107$15.7M0.05%+5,768+3.3%Added
Bank of Nova Scotia178,952$15.6M0.02%+30,493+20.5%Added
Wiley Bros.-Aintree Capital, LLC177,421$15.5M0.08%+17,897+11.2%Added
USS Investment Management Ltd175,403$15.3M0.08%00.0%Unchanged
Xponance, Inc.172,387$15.0M0.11%+9,361+5.7%Added
DekaBank Deutsche Girozentrale184,531$15.0M0.03%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC171,194$14.9M0.04%−10,667−5.9%Reduced
Moody Lynn & Lieberson, LLC170,366$14.9M0.79%−3,388−1.9%Reduced
Police & Firemen's Retirement System of New Jersey168,457$14.7M0.12%−8,875−5.0%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd166,038$14.5M0.11%+2,768+1.7%Added
Dai-Ichi Life Insurance Company, Ltd165,632$14.4M0.37%−30,871−15.7%Reduced
CWM, LLC165,475$14.4M0.04%+64,104+63.2%Added
Wealthfront Advisers LLC164,689$14.4M0.03%−7,403−4.3%Reduced
CCM Investment Advisers LLC163,407$14.2M1.36%+15,498+10.5%Added
Resources Investment Advisors, LLC.161,521$14.1M0.14%+120,411+292.9%Added
Nisa Investment Advisors, LLC160,641$14.0M0.05%+2,598+1.6%Added
Commerce Bank159,748$13.9M0.08%−3,430−2.1%Reduced
M&T Bank Corp158,292$13.8M0.04%+10,531+7.1%Added
CIBC World Markets Corp157,721$13.8M0.07%+157,721New
First Horizon Corp155,839$13.6M0.61%+2,199+1.4%Added
Baillie Gifford & Co154,618$13.5M0.01%+1,888+1.2%Added
Arkadios Wealth Advisors154,170$13.4M0.27%+9,661+6.7%Added
NEOS Investment Management LLC153,376$13.4M0.08%+24,743+19.2%Added
New York Life Investment Management LLC151,069$13.2M0.11%+1,579+1.1%Added
Nomura Asset Management International Inc.150,690$13.1M0.02%+150,690New
King Luther Capital Management Corp149,874$13.1M0.05%+16,397+12.3%Added
Independent Advisor Alliance148,325$12.9M0.31%+2,915+2.0%Added
JustInvest LLC148,233$12.9M0.13%−10,484−6.6%Reduced
Alerus Financial NA148,126$12.9M0.63%+2,159+1.5%Added
Yousif Capital Management, LLC143,244$12.7M0.14%−6,010−4.0%Reduced
Brookstone Capital Management145,426$12.7M0.15%−7,328−4.8%Reduced
Rakuten Investment Management, Inc.144,805$12.7M0.04%+67,802+88.1%Added
Bragg Financial Advisors, Inc145,136$12.7M0.41%−1,326−0.9%Reduced
Susquehanna Portfolio Strategies, LLC144,095$12.6M0.19%+144,095New
Advisory Services Network, LLC140,715$12.3M0.17%+16,542+13.3%Added
Advisors Management Group Inc140,629$12.3M2.23%+43,461+44.7%Added
Public Employees Retirement Association of Colorado140,287$12.2M0.04%−302−0.2%Reduced
Nissay Asset Management Corp139,019$12.1M0.06%+460.0%Added
Banco Bilbao Vizcaya Argentaria, S.A.138,385$12.1M0.08%−28,573−17.1%Reduced
CIBC Private Wealth Group, LLC137,905$12.0M0.02%−3,274−2.3%Reduced
Biondo Investment Advisors, LLC137,799$12.0M1.45%−919−0.7%Reduced
Davenport & Co LLC137,349$12.0M0.06%+54,658+66.1%Added
Tudor Investment Corp Et Al136,602$11.9M0.07%+136,602New
CIBC World Markets Inc.136,455$11.9M0.02%+109,538+406.9%Added
Klingenstein Fields & Co LP133,951$11.7M0.44%−2,338−1.7%Reduced
Verity & Verity, LLC133,916$11.7M0.91%+1,741+1.3%Added
Pathstone Holdings, LLC132,872$11.6M0.04%−2,130−1.6%Reduced
Jamison Private Wealth Management, Inc.130,418$11.4M1.38%+1,074+0.8%Added
Cullinan Associates Inc129,777$11.3M0.77%−124−0.1%Reduced
Blair William & Co128,905$11.2M0.03%+4,452+3.6%Added
Royal London Asset Management Ltd128,860$11.2M0.02%+1,462+1.1%Added
Kanawha Capital Management LLC128,556$11.2M0.77%+9,009+7.5%Added
Pinnacle Associates Ltd128,109$11.2M0.14%+2,729+2.2%Added
Bell Bank127,901$11.2M0.48%+21,751+20.5%Added
Oregon Public Employees Retirement Fund126,089$11.0M0.14%+317+0.3%Added
Keybank National Association124,557$10.9M0.04%−587−0.5%Reduced
Farther Finance Advisors, LLC123,122$10.7M0.12%+61,298+99.1%Added
Baltimore-Washington Financial Advisors, Inc.122,816$10.7M0.45%+9,356+8.2%Added
QRG Capital Management, Inc.122,662$10.7M0.12%+7,918+6.9%Added
Rafferty Asset Management, LLC121,255$10.6M0.04%+5,436+4.7%Added
Signature Wealth Management Group121,142$10.6M4.31%+1,120+0.9%Added
Jane Street Group, LLC120,326$10.5M0.01%−327,833−73.2%Reduced
Stephens Inc120,238$10.5M0.13%+1,446+1.2%Added
Fisher Asset Management, LLC119,135$10.4M0.00%−856−0.7%Reduced
Metis Global Partners, LLC118,756$10.4M0.24%+2,949+2.5%Added
RFG Advisory, LLC118,383$10.3M0.19%−6,153−4.9%Reduced
Mutual of America Capital Management LLC118,212$10.3M0.11%−1,008−0.8%Reduced
Capital Innovations LLC115,871$10.1M2.88%+115,871New
Keel Point, LLC115,731$10.1M0.61%+8,797+8.2%Added
IFG Advisory, LLC114,973$10.0M0.44%−711−0.6%Reduced
Fairvoy Private Wealth, LLC114,962$10.0M2.24%−1,415−1.2%Reduced
Arrowstreet Capital, Limited Partnership114,224$9.96M0.01%−164,428−59.0%Reduced
Shelton Capital Management113,483$9.90M0.20%−46,538−29.1%Reduced