Skip to main content

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
ExodusPoint Capital Management, LP576,900$50.3M0.56%+576,900New
Donaldson Capital Management, LLC570,252$49.7M1.58%+7,225+1.3%Added
State of Wisconsin Investment Board570,127$49.7M0.11%−7,281−1.3%Reduced
Chevy Chase Trust Holdings, Inc.562,334$49.0M0.13%−3,120−0.6%Reduced
Advisor Group Holdings, Inc.561,260$49.0M0.07%−73,871−11.6%Reduced
Capital International Inc523,474$45.6M0.36%+42,286+8.8%Added
Asset Management One Co.,Ltd.517,910$45.3M0.13%−3,612−0.7%Reduced
Sterling Capital Management LLC516,512$45.0M0.73%+491,166+1,937.8%Added
The PNC Financial Services Group, Inc.512,996$44.7M0.02%−17,633−3.3%Reduced
CIBC Asset Management Inc496,353$43.3M0.10%+105,589+27.0%Added
DnB Asset Management AS486,143$42.4M0.15%+32,221+7.1%Added
Creative Planning481,036$41.9M0.03%+15,921+3.4%Added
Susquehanna International Group, LLP475,019$41.4M0.06%+316,529+199.7%Added
Treasurer of the State of North Carolina461,705$40.3M0.13%−33,729−6.8%Reduced
Cambridge Investment Research Advisors, Inc.460,252$40.1M0.11%+27,341+6.3%Added
Magellan Asset Management Ltd450,612$39.3M0.48%+47,355+11.7%Added
Van Eck Associates Corp446,334$38.9M0.03%+26,165+6.2%Added
Public Employees Retirement System of Ohio444,753$38.8M0.12%+2,489+0.6%Added
OpenArc Corporate Advisory, LLC443,704$38.7M0.64%+443,704New
Resona Asset Management Co.,Ltd.436,639$38.1M0.18%−9,878−2.2%Reduced
Mariner, LLC436,557$38.1M0.05%+44,503+11.4%Added
Standard Life Aberdeen plc430,795$37.6M0.06%−2,617−0.6%Reduced
US Bancorp419,842$36.6M0.04%−1,034−0.2%Reduced
SEI Investments Co416,732$36.3M0.04%+12,920+3.2%Added
Forsta Ap-Fonden415,300$36.2M0.22%+80,600+24.1%Added
TD Asset Management Inc407,483$35.5M0.03%−1,597−0.4%Reduced
Nomura Asset Management Co Ltd401,771$35.0M0.09%+8,644+2.2%Added
Gabelli Funds LLC398,202$34.7M0.24%−3,298−0.8%Reduced
Citadel Advisors LLC392,060$34.2M0.02%−311,454−44.3%Reduced
Toronto Dominion Bank391,566$34.1M0.06%−34,327−8.1%Reduced
Aptus Capital Advisors, LLC391,245$34.1M0.29%+9,895+2.6%Added
EP Wealth Advisors, LLC390,880$34.1M0.18%+390,880New
MML Investors Services, LLC386,267$33.7M0.08%+17,939+4.9%Added
Credit Agricole S A383,477$33.4M0.09%+334,809+687.9%Added
State of New Jersey Common Pension Fund D375,655$32.8M0.12%−6,584−1.7%Reduced
Janney Montgomery Scott LLC373,869$32.6M0.07%+6,974+1.9%Added
Southern Financial Group, LLC370,966$32.3M9.26%+370,966New
Sanctuary Advisors, LLC368,033$32.1M0.18%+17,884+5.1%Added
Allspring Global Investments Holdings, LLC366,869$32.0M0.05%+2,474+0.7%Added
Worldquant Millennium Advisors LLC353,743$30.8M0.12%−663,923−65.2%Reduced
Kestra Advisory Services, LLC341,749$29.8M0.12%+5,169+1.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)340,486$29.7M0.06%+58,304+20.7%Added
Cahaba Wealth Management, Inc.339,697$29.6M2.06%−3,662−1.1%Reduced
Quantinno Capital Management LP339,247$29.6M0.06%+40,760+13.7%Added
GW Henssler & Associates Ltd338,543$29.5M1.42%−7,232−2.1%Reduced
Warren Averett Asset Management, LLC334,357$29.2M0.24%+93,960+39.1%Added
Schroder Investment Management Group331,460$29.0M0.02%−309,234−48.3%Reduced
Weiss Asset Management LP332,693$29.0M0.41%+332,693New
D. E. Shaw & Co., Inc.330,402$28.8M0.02%+29,995+10.0%Added
Capital Fund Management S.A.329,431$28.7M0.27%+239,977+268.3%Added
Voya Investment Management LLC322,457$28.1M0.03%+9,973+3.2%Added
Bollard Group LLC322,040$28.1M0.74%−128,581−28.5%Reduced
Illinois Municipal Retirement Fund316,494$27.6M0.35%+18,126+6.1%Added
State of Tennessee, Treasury Department307,078$27.4M0.09%−82,184−21.1%Reduced
SG Americas Securities, LLC311,075$27.1M0.04%−315,320−50.3%Reduced
Arizona State Retirement System309,715$27.0M0.15%−11,315−3.5%Reduced
Advisors Capital Management, LLC306,039$26.7M0.31%+3,549+1.2%Added
Westwood Holdings Group Inc.302,986$26.4M0.21%−387,215−56.1%Reduced
Baird Financial Group, Inc.301,601$26.3M0.04%−10,880−3.5%Reduced
Brinker Capital Investments, LLC294,522$25.7M0.19%−4,680−1.6%Reduced
Czech National Bank290,344$25.3M0.16%+10,955+3.9%Added
American Century Companies Inc290,212$25.3M0.01%+3,679+1.3%Added
State of Michigan Retirement System288,223$25.1M0.12%−9,300−3.1%Reduced
Crossmark Global Holdings, Inc.283,015$24.7M0.35%+25,275+9.8%Added
Captrust Financial Advisors282,431$24.6M0.05%−1,107−0.4%Reduced
Public Sector Pension Investment Board280,415$24.5M0.08%+43,194+18.2%Added
Brandywine Global Investment Management, LLC273,908$23.9M0.16%−5,626−2.0%Reduced
Arbejdsmarkedets Tillaegspension272,066$23.7M0.60%+272,066New
Exchange Traded Concepts, LLC270,321$23.6M0.20%+114,601+73.6%Added
Hancock Whitney Corp268,429$23.4M0.42%−16,860−5.9%Reduced
Liberty One Investment Management, LLC267,878$23.4M2.98%−417,891−60.9%Reduced
Huntington National Bank266,943$23.3M0.14%+5,732+2.2%Added
Gotham Asset Management, LLC264,377$23.1M0.08%+135,334+104.9%Added
MetLife Investment Management263,973$23.0M0.11%−8,998−3.3%Reduced
IFM Investors Pty Ltd262,122$22.9M0.19%+9,127+3.6%Added
Crawford Investment Counsel Inc261,457$22.8M0.38%+202+0.1%Added
Man Group plc260,519$22.7M0.04%+179,716+222.4%Added
Foundations Investment Advisors, LLC257,096$22.4M0.29%+32,516+14.5%Added
Lockheed Martin Investment Management Co254,540$22.2M0.74%+104,570+69.7%Added
CI Private Wealth, LLC253,575$22.1M0.03%+9,910+4.1%Added
Hennessy Advisors Inc252,400$22.0M0.78%−6,800−2.6%Reduced
STRS Ohio249,701$21.8M0.08%−10,056−3.9%Reduced
Mercer Global Advisors Inc249,674$21.8M0.03%+6,566+2.7%Added
Becker Capital Management Inc243,626$21.2M0.61%+3,134+1.3%Added
FIL Ltd243,321$21.2M0.02%+9,198+3.9%Added
Cerity Partners LLC241,120$21.0M0.03%+7,450+3.2%Added
Edgar Lomax Co240,695$21.0M1.59%−5,510−2.2%Reduced
Swiss Life Asset Management Ltd239,402$20.9M0.11%−17,977−7.0%Reduced
AQR Capital Management LLC236,978$20.7M0.01%−156,359−39.8%Reduced
MAI Capital Management236,851$20.7M0.12%−15,940−6.3%Reduced
Retirement Systems of Alabama234,243$20.4M0.07%−416−0.2%Reduced
Allworth Financial LP232,637$20.3M0.08%+49,591+27.1%Added
Fukoku Mutual Life Insurance Co230,101$20.1M1.32%−827−0.4%Reduced
Northwestern Mutual Wealth Management Co227,673$19.9M0.01%+16,770+8.0%Added
Rockefeller Capital Management L.P.227,383$19.8M0.04%+3,342+1.5%Added
Teacher Retirement System of Texas227,333$19.8M0.07%−81,128−26.3%Reduced
Richard C. Young & CO., LTD.226,568$19.8M1.77%+2,593+1.2%Added
Midwest Trust Co225,703$19.7M0.25%+2,397+1.1%Added
Comerica Bank219,442$19.1M0.08%−10,450−4.5%Reduced
Calamos Wealth Management LLC218,922$19.1M0.66%−1,233−0.6%Reduced