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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 2025

Institutional positions in Southern Co as of Jun 30, 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
2,184
+4 vs. Q1 2025
Shares held
775.5M
+26.1M (+3.5%) vs. Q1 2025
Total value
$70.8B
+$1.92B (+2.8%) vs. Q1 2025
New holders
129
937 more added
Sold out
125
734 more reduced

27 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 2,184 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 2025: $70.8B
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 2025

Shares, value and share of portfolio for each institution holding Southern Co; share changes are against Q1 2025.

Institutions holding SO in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc105,904,243$9.73B0.16%+1,694,066+1.6%Added
BlackRock, Inc.87,174,120$8.01B0.15%+2,823,251+3.3%Added
JPMorgan Chase & Co68,964,026$6.33B0.44%+5,379,090+8.5%Added
State Street Corp59,116,535$5.43B0.20%+718,012+1.2%Added
Geode Capital Management, LLC26,006,919$2.38B0.17%+241,572+0.9%Added
Capital International Investors25,891,240$2.38B0.41%+120,040+0.5%Added
FMR LLC24,741,464$2.27B0.13%−4,280,489−14.7%Reduced
Massachusetts Financial Services Co20,331,847$1.87B0.59%−846,719−4.0%Reduced
Price T Rowe Associates Inc17,526,556$1.61B0.18%+2,659,780+17.9%Added
Franklin Resources Inc14,015,721$1.29B0.34%−929,994−6.2%Reduced
Morgan Stanley12,861,163$1.18B0.08%+655,173+5.4%Added
Norges Bank12,846,730$1.18B0.15%+2,191,875+20.6%Added
Northern Trust Corp10,585,833$972.1M0.13%−326,830−3.0%Reduced
Ameriprise Financial Inc9,753,110$895.6M0.22%+460,337+5.0%Added
Royal Bank of Canada9,351,679$858.8M0.17%+229,964+2.5%Added
Bank of America Corp8,369,321$768.6M0.06%−756,381−8.3%Reduced
Legal & General Group Plc8,246,984$757.3M0.19%−171,800−2.0%Reduced
Capital World Investors7,981,421$732.9M0.11%+7,981,421New
Goldman Sachs Group Inc7,238,446$664.7M0.11%−104,351−1.4%Reduced
Bank of New York Mellon Corp7,143,812$656.0M0.12%−333,919−4.5%Reduced
Charles Schwab Investment Management Inc6,768,667$621.6M0.11%+87,891+1.3%Added
UBS Asset Management Americas Inc6,440,323$591.4M0.12%+1,683,622+35.4%Added
Nuveen, LLC5,144,135$472.4M0.13%−404,845−7.3%Reduced
Invesco Ltd.5,099,967$468.3M0.08%+120,523+2.4%Added
California Public Employees Retirement System4,197,343$385.4M0.25%−720,825−14.7%Reduced
UBS Group AG4,171,860$383.1M0.08%−618,555−12.9%Reduced
Soroban Capital Partners LP4,097,422$376.3M3.67%+1,867,912+83.8%Added
Pictet Asset Management Holding SA3,976,531$365.2M0.37%+329,738+9.0%Added
Wells Fargo & Company3,837,981$352.4M0.08%−159,647−4.0%Reduced
Swiss National Bank3,320,200$304.9M0.18%+229,900+7.4%Added
Wellington Management Group LLP3,050,380$280.1M0.05%+11,347+0.4%Added
Marshall Wace, LLP3,020,895$277.4M0.33%−667,542−18.1%Reduced
Ensign Peak Advisors, Inc3,007,951$276.2M0.47%+72,341+2.5%Added
Raymond James Financial Inc2,850,056$261.7M0.09%−73,016−2.5%Reduced
Barclays PLC2,764,813$253.9M0.10%+321,651+13.2%Added
National Pension Service2,706,225$248.5M0.21%−74,300−2.7%Reduced
Sumitomo Mitsui Trust Holdings, Inc.2,651,091$243.4M0.15%+33,533+1.3%Added
Jennison Associates LLC2,565,858$235.6M0.14%+403,929+18.7%Added
Dimensional Fund Advisors LP2,500,656$229.6M0.05%+14,361+0.6%Added
Envestnet Asset Management Inc2,475,729$227.3M0.07%−20,803−0.8%Reduced
LPL Financial LLC2,469,887$226.8M0.08%+117,985+5.0%Added
Citadel Advisors LLC2,364,908$217.2M0.19%−70,651−2.9%Reduced
Federated Hermes, Inc.2,343,596$215.2M0.41%−702,697−23.1%Reduced
Amundi2,340,475$213.3M0.07%+627,779+36.7%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys2,120,654$194.7M1.03%+29,904+1.4%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.2,111,001$193.9M0.15%+164,097+8.4%Added
Deutsche Bank AG1,932,571$177.5M0.07%+6,115+0.3%Added
Rhumbline Advisers1,922,888$176.6M0.15%−42,210−2.1%Reduced
HSBC Holdings PLC1,801,472$165.1M0.11%−22,451−1.2%Reduced
Synovus Financial Corp1,691,153$155.3M1.90%−195,729−10.4%Reduced
Bank of Montreal1,681,955$154.5M0.08%−181,375−9.7%Reduced
Confluence Investment Management LLC1,579,454$145.0M2.05%−24,280−1.5%Reduced
HighTower Advisors, LLC1,521,288$139.7M0.18%+38,895+2.6%Added
Empower Advisory Group, LLC1,471,380$135.1M0.40%+32,308+2.2%Added
Principal Financial Group Inc1,425,255$130.9M0.07%+84,426+6.3%Added
Duff & Phelps Investment Management Co1,345,974$123.6M1.45%+45,088+3.5%Added
California State Teachers Retirement System1,312,583$120.5M0.13%+8,484+0.7%Added
Zacks Investment Management1,312,546$120.5M1.03%+11,844+0.9%Added
Colony Group, LLC1,283,955$117.9M0.26%+11,700+0.9%Added
Energy Income Partners, LLC1,271,065$116.7M2.29%−177,761−12.3%Reduced
Manufacturers Life Insurance Company, The1,243,669$114.2M0.10%+29,059+2.4%Added
ExodusPoint Capital Management, LP1,207,378$110.9M1.35%+572,725+90.2%Added
Assenagon Asset Management S.A.1,200,624$110.3M0.17%+499,996+71.4%Added
Point72 Asset Management, L.P.1,197,502$110.0M0.26%+1,197,502New
Natixis Advisors, L.P.1,186,232$108.9M0.17%+88,297+8.0%Added
Alliancebernstein L.P.1,168,862$107.3M0.04%+77,787+7.1%Added
Prudential Financial Inc1,164,431$106.9M0.14%+558,673+92.2%Added
Russell Investments Group, Ltd.1,147,022$105.3M0.13%+122,663+12.0%Added
New York State Common Retirement Fund1,138,774$104.6M0.14%−1,504−0.1%Reduced
Cohen & Steers, Inc.1,118,326$102.7M0.19%+5000.0%Added
State Board of Administration of Florida Retirement System1,094,349$100.5M0.18%−13,083−1.2%Reduced
Citigroup Inc1,084,523$99.6M0.07%−41,811−3.7%Reduced
Commonwealth Equity Services, LLC1,057,031$97.1M0.13%−35,523−3.3%Reduced
Canada Pension Plan Investment Board1,044,101$95.9M0.08%+979,587+1,518.4%Added
Stifel Financial Corp1,014,384$93.2M0.09%+527+0.1%Added
Adage Capital Partners GP, L.L.C.1,006,600$92.4M0.16%−342,600−25.4%Reduced
APG Asset Management N.V.1,168,486$91.4M0.27%+935,130+400.7%Added
BNP Paribas Arbitrage, SA943,430$86.6M0.07%−851,537−47.4%Reduced
Mizuho Markets Americas LLC933,700$85.7M2.83%+713,700+324.4%Added
Capital Advisors Inc928,504$85.3M1.53%+16,878+1.9%Added
Macquarie Group Ltd912,450$83.8M0.10%+26,404+3.0%Added
Stonegate Investment Group, LLC890,861$81.8M2.06%+10,580+1.2%Added
First Trust Advisors LP870,513$79.9M0.06%−117,942−11.9%Reduced
Korea Investment CORP856,846$78.7M0.18%−20,248−2.3%Reduced
Mawer Investment Management Ltd.836,480$76.8M0.39%−49,211−5.6%Reduced
Clark Capital Management Group, Inc.832,086$76.4M0.53%−199,863−19.4%Reduced
Capital Research Global Investors824,394$75.7M0.02%+2810.0%Added
Mitsubishi UFJ Trust & Banking Corp822,403$75.5M0.17%+42,531+5.5%Added
Balyasny Asset Management LLC811,737$74.5M0.17%+720,589+790.6%Added
New York State Teachers Retirement System804,729$73.9M0.15%−36,145−4.3%Reduced
Mackenzie Financial Corp786,524$72.2M0.09%−42,833−5.2%Reduced
Old Republic International Corporation771,000$70.8M2.78%00.0%Unchanged
Welch Group, LLC767,455$70.5M2.95%+1,005+0.1%Added
Westwood Holdings Group Inc.750,229$68.9M0.50%−119,043−13.7%Reduced
Truist Financial Corp739,044$67.9M0.10%−12,724−1.7%Reduced
Aventail Capital Group, LP688,765$63.2M2.81%+571,073+485.2%Added
Universal- Beteiligungs- und Servicegesellschaft mbH672,387$61.7M0.11%+1,213+0.2%Added
Victory Capital Management Inc653,869$60.0M0.04%−353,206−35.1%Reduced
Advisor Group Holdings, Inc.624,649$57.4M0.10%+125,623+25.2%Added
1832 Asset Management L.P.615,958$56.6M0.10%+50,271+8.9%Added