The Southern Company (SO) Ownership

NYSE: SOTop holders, insider trades and short interest.

SO ownership summary

as of October 18, 2026
Institutions
74.3%
of shares outstanding
Insiders
0.10%
of shares outstanding
Shares outstanding
1.15B
Float
1.15B
shares available to trade
Short interest
2.55%
29.3M shares short
Days to cover
4.63
short interest down 16.6% vs prior month
  • Institutions 74.31%
  • Insiders 0.10%
  • Other investors 25.59%

SO top institutional holders

20 largest
The Southern Company top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.08%93.0M$8.48B+2.6M (+2.9%)June 30, 2026
2Vanguard Capital Management, LLC6.40%73.7M$6.72B+2.1M (+3.0%)June 30, 2026
3State Street Corp5.63%64.8M$5.91B+1.8M (+2.9%)June 30, 2026
4Capital World Investors5.43%62.5M$5.70B+6.3M (+11.2%)June 30, 2026
5T. Rowe Price Associates, Inc.4.03%46.4M$4.23B+10.0M (+27.4%)June 30, 2026
6JPMorgan Chase & Co2.85%32.8M$2.99B−10.6M (−24.4%)June 30, 2026
7Geode Capital Management, LLC2.55%29.3M$2.67B+960,236 (+3.4%)June 30, 2026
8Vanguard Portfolio Management, LLC2.35%27.0M$2.46B+886,834 (+3.4%)June 30, 2026
9FMR Inc1.96%22.5M$2.05B−350,690 (−1.5%)June 30, 2026
10Franklin Templeton Inc1.44%16.6M$1.51B−247,401 (−1.5%)June 30, 2026
11The Goldman Sachs Group Inc1.27%14.6M$1.33B+8.7M (+149.6%)June 30, 2026
12NORGES BANK1.25%14.4M$1.31B+1.6M (+12.7%)June 30, 2026
13Massachusetts Financial Services Company1.20%13.8M$1.26B−1.8M (−11.3%)June 30, 2026
14Morgan Stanley - Brokerage Accounts1.18%13.5M$1.23B+624,619 (+4.8%)June 30, 2026
15Northern Trust Corp0.85%9.8M$889.5M−72,094 (−0.7%)June 30, 2026
16Ameriprise Financial Inc0.83%9.6M$872.5M+132,926 (+1.4%)June 30, 2026
17Royal Bank of Canada0.76%8.7M$795.2M−31,725 (−0.4%)June 30, 2026
18Bank of America Corp0.73%8.4M$765.2M+11,920 (+0.1%)June 30, 2026
19Legal & General Group PLC0.67%7.7M$702.4M−145,265 (−1.9%)June 30, 2026
20Charles Schwab Investment Management Inc0.64%7.4M$673.5M+275,333 (+3.9%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 36.1M shares and 7 cut 13.2M.

SO top mutual fund and ETF holders

20 largest
The Southern Company top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.12%35.9M$3.27B−60,359 (−0.2%)August 31, 2026
2Vanguard 500 Index Investor2.63%30.2M$2.76B+258,683 (+0.9%)September 30, 2026
3State Street®UtilSelSectSPDR®ETF1.72%19.8M$1.80B+203,352 (+1.0%)September 30, 2026
4American Funds Income Fd of Amer A1.63%18.8M$1.71B−4.7M (−20.0%)September 30, 2026
5iShares Core S&P 500 ETF1.33%15.3M$1.40B−24,679 (−0.2%)September 30, 2026
6Fidelity 500 Index1.27%14.6M$1.33B+56,242 (+0.4%)August 31, 2026
7State Street® SPDR® S&P 500® ETF1.23%14.1M$1.29B—September 30, 2026
8American Funds American Balanced A1.11%12.8M$1.17B+596,488 (+4.9%)September 30, 2026
9American Funds Washington Mutual A1.10%12.7M$1.16B+1.8M (+16.5%)September 30, 2026
10Vanguard MStar Value Index Investor0.93%10.7M$979.8M−40,122 (−0.4%)September 30, 2026
11Franklin Income A10.78%9.0M$820.6M—August 31, 2026
12Vanguard Utilities ETF0.67%7.7M$706.5M−19,879 (−0.3%)September 30, 2026
13MFS Value A0.55%6.3M$578.4M−491,292 (−7.2%)August 31, 2026
14Vanguard Institutional Index I0.53%6.1M$554.9M+60,566 (+1.0%)September 30, 2026
15T. Rowe Price Value0.47%5.5M$497.0M—September 30, 2026
16American Funds Cptl Wld Gr&Inc A0.47%5.4M$492.5M—September 30, 2026
17Columbia Dividend Income Inst0.47%5.4M$487.9M−10,049 (−0.2%)August 31, 2026
18Vanguard High Dividend Yield ETF0.41%4.7M$427.5M+109,959 (+2.4%)September 30, 2026
19iShares Core Dividend Growth ETF0.34%3.9M$353.7M+698 (+0.0%)September 30, 2026
20JPMorgan Equity Premium Income ETF0.32%3.7M$332.9M+2,260 (+0.1%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

SO insider transactions

latest 6
The Southern Company insider transactions
DateNameTransactionPriceSharesValue
2026-03-30Kimberly S GreeneSell$96.6725,000$2.4M
2026-03-19Christopher CummiskeySell$96.556,669$643,892
2025-12-02Jared MoskowitzBuy$89.04——
2025-09-23Val T. HoyleSell$93.63——
2025-08-28Marjorie Taylor GreeneBuy$92.30——
2025-07-21Kimberly S GreeneSell$95.0013,158$1.3M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

SO shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns SO

Institutional investors own 74.3% of Southern Company's shares and insiders 0.10%. The largest holder is BlackRock Inc with 8.08% of the shares (93.0M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 2.55% of the float, or 4.63 days of average trading volume. The share count rose 22.1% since 2014.

Related: SO analyst forecast, SO key metrics, SO dividend history. See the SO stock overview for the latest quote and news.

SO ownership FAQ

Who owns the most Southern Company stock?

The largest shareholders of Southern Company are BlackRock Inc (8.08%), Vanguard Capital Management, LLC (6.40%), State Street Corp (5.63%), Capital World Investors (5.43%), T. Rowe Price Associates, Inc. (4.03%).

What percentage of Southern Company is owned by institutions?

Institutions hold 74.3% of Southern Company's shares outstanding; insiders hold 0.10%.

Which funds own Southern Company?

The largest fund holders of Southern Company are Vanguard MStar Total Stk Mkt Idx Invest (3.12%), Vanguard 500 Index Investor (2.63%), State Street®UtilSelSectSPDR®ETF (1.72%), American Funds Income Fd of Amer A (1.63%), iShares Core S&P 500 ETF (1.33%).

What is Southern Company's short interest?

29.3M shares of Southern Company were sold short, 2.55% of the float; at the average daily volume it would take 4.63 days to cover.

Are insiders buying or selling Southern Company?

Of the latest 6 reported insider transactions in Southern Company (since July 21, 2025), 2 were purchases and 4 were sales.

How many shares of Southern Company are outstanding?

Southern Company has 1.15B shares outstanding, of which 1.15B are in the public float.

Utilities - Regulated Electric: ownership