Southern Company

SO • NYSE

Southern Company is a regulated electric company in the utilities sector on NYSE, led by Christopher C. Womack, with a market cap of $96.2B. As of Q3 2025, 71% of shares are held by 2,165 institutional investors, with VANGUARD GROUP INC as the largest holder at 9.67%.

President and Chief Executive OfficerChristopher C. Womack

Market Cap$96.2B

Regulated Electric

Utilities

Employees28.1K

Websitesoutherncompany.com

Country

United States of America

Overview

Overview of institutional ownership in SO as of Q3 2025 with a market cap of $104.25B

All Institutions

Institutions: 2,165
Value Held: $74.3B
Shares Held: 784.6M
Avg Position: $34.3M
Median Position: $795.7K

Hedge Funds

Hedge Funds: 72
Value Held: $1.1B
Shares Held: 11.7M
Avg Position: $15.3M
Median Position: $1.5M

Ownership Breakdown

Institutional (non-HF)

70.25%

$73.2B

Hedge Funds

1.06%

$1.1B

Retail & Other

28.69%

$29.9B

Based on market cap of $104.25B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in SO as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$10.1B 0.15% of portfolio	9.67% 106.4M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$8.2B 0.15% of portfolio	7.89% 86.8M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$6.6B 0.42% of portfolio	6.35% 69.8M shares	≤ Q2 2013 Held for 12y 5m+	$1.56T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$5.6B 0.19% of portfolio	5.37% 59.1M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
C Capital World Investors Institution	-	$3.2B 0.44% of portfolio	3.05% 33.5M shares	Q2 2025 Held for 5 months	$730.00B
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	Robert W Sharps President	$2.8B 0.30% of portfolio	2.64% 29.0M shares	≤ Q2 2013 Held for 12y 5m+	$912.31B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$2.5B 0.16% of portfolio	2.44% 26.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
FMR LLC Institution	-	$2.3B 0.12% of portfolio	2.23% 24.5M shares	≤ Q2 2013 Held for 12y 5m+	$1.92T
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Long Only Manager	Edward Murray Maloney CEO	$1.9B 0.58% of portfolio	1.80% 19.8M shares	Q3 2017 Held for 8y 2m	$322.72B
C Capital International Investors Institution	-	$1.9B 0.30% of portfolio	1.79% 19.7M shares	Q2 2023 Held for 2y 5m	$615.90B

Net Capital Flow

Institutional buying and selling activity for SO in Q3 2025

Net Flow: +$2.5B
Buyers: 946
Sellers: 811
Total Bought: +$5.2B
Total Sold: −$2.7B
Avg Position: $34.8M

Biggest Buyers

Institution	Net Bought	Current Position
C Capital World Investors Institution	+$2.4B +25.6M shares	$3.2B 33.5M shares
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	+$1.1B +11.5M shares	$2.8B 29.0M shares
MORGAN STANLEY RIA/Wealth	+$104.2M +1.1M shares	$1.3B 14.0M shares
R ROYAL BANK OF CANADA Institution	+$103.1M +1.1M shares	$989.4M 10.4M shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$96.4M +1.0M shares	$96.4M 1.0M shares
WORLDQUANT MILLENNIUM QUANTITATIVE STRATEGIES LLC Hedge Fund•Multi-Strategy	+$89.9M +949.0K shares	$96.4M 1.0M shares
GEODE CAPITAL MANAGEMENT LLC ETF Provider	+$82.3M +867.3K shares	$2.5B 26.9M shares
JPMORGAN CHASE & CO Institution	+$81.1M +855.7K shares	$6.6B 69.8M shares
UBS Group AG Institution	+$78.4M +827.1K shares	$473.8M 5.0M shares
BARCLAYS PLC Institution	+$67.5M +712.1K shares	$329.5M 3.5M shares

Biggest Sellers

Institution	Net Sold	Current Position
C Capital International Investors Institution	−$590.8M −6.2M shares	$1.9B 19.7M shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$157.5M −1.7M shares	$66.7M 703.5K shares
GOLDMAN SACHS GROUP INC Institution	−$125.4M −1.3M shares	$560.6M 5.9M shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	−$113.0M −1.2M shares	$530.7K 5.6K shares
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy	−$110.9M −1.2M shares	Sold Off 0 shares
Marshall Wace LLP Institution	−$91.9M −970.2K shares	$194.3M 2.1M shares
A Assenagon Asset Management S.A. Institution	−$83.7M −882.8K shares	$30.1M 317.9K shares
JENNISON ASSOCIATES LLC Long Only Manager	−$74.6M −786.7K shares	$168.6M 1.8M shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$74.5M −811.7K shares	Sold Off 0 shares
C CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM Institution	−$71.1M −750.3K shares	$326.7M 3.4M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited SO in Q3 2025

New Positions: 53
New Value: $21.6M
Exited Positions: 95
Exited Value: $375.3M

New Positions

Institution	Position Value
LEE JOHNSON CAPITAL MANAGEMENT, LLC RIA/Wealth	$2.2M 23.4K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$2.1M 22.4K shares
T TEMA ETFS LLC Institution	$1.7M 18.2K shares
WJ Financial Advisors LLC RIA/Wealth	$1.6M 17.3K shares
C CAPITAL INTERNATIONAL S A Institution	$1.6M 16.5K shares
Blackstone Group L.P. Institution	$1.4M 15.0K shares
S Sustainable Insight Capital Management, LLC Long Only Manager	$1.1M 11.4K shares
Rather & Kittrell, Inc. RIA/Wealth	$680.5K 7.2K shares
LVM CAPITAL MANAGEMENT LTD/MI RIA/Wealth	$455.6K 4.8K shares
L Legacy Trust Institution	$428.5K 4.5K shares

Exited Positions

Institution	Previous Position
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy	$110.9M 1.2M shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$74.5M 811.7K shares
CBRE CLARION SECURITIES LLC Real Assets	$55.1M 599.6K shares
D DDD Partners, LLC Institution	$20.2M 219.7K shares
G Greenland Capital Management LP Hedge Fund•Multi-Strategy	$16.5M 179.4K shares
A AXA Institution	$9.4M 101.9K shares
M MIRAE ASSET SECURITIES INC. Institution	$9.2M 100.3K shares
R Robeco Institutional Asset Management B.V. Institution	$8.1M 88.4K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$7.1M 77.1K shares
R Railway Pension Investments Ltd Institution	$7.0M 76.2K shares

Options Activity

Institutions with the largest Call and Put options positions in SO as of Q3 2025

Call Positions: 35
Call Value: $434.5M
Put Positions: 32
Put Value: $206.6M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$111.3M 11.7K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$87.6M 9.2K contracts
J JANE STREET GROUP, LLC Institution	$68.6M 7.2K contracts
UBS Group AG Institution	$31.8M 3.4K contracts
W WOLVERINE TRADING, LLC Institution	$21.3M 2.3K contracts
C Cubist Systematic Strategies, LLC Institution	$14.9M 1.6K contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$13.7M 1.5K contracts
D D. E. Shaw & Co., Inc. Institution	$12.7M 1.3K contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$9.1M 958.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$7.6M 802.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$72.9M 7.7K contracts
E Eisler Capital Management Ltd. Institution	$27.8M 3.0K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$22.6M 2.4K contracts
H HSBC HOLDINGS PLC Institution	$10.5M 1.1K contracts
UBS Group AG Institution	$8.8M 932.0 contracts
W WOLVERINE TRADING, LLC Institution	$7.9M 837.0 contracts
Verition Fund Management LLC Hedge Fund•Multi-Strategy	$7.4M 777.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$7.1M 754.0 contracts
A Allianz Asset Management AG Institution	$5.0M 528.0 contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$4.4M 468.0 contracts

Most Committed Institutions

Institutions with SO as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
C CAPITAL & PLANNING, LLC Institution	-	8.30% $13.4M	0.01% 141.8K shares	Q4 2024 Held for 11 months	$161.9M
Signature Wealth Management Group RIA/Wealth	Scott Richard Brown Managing Partner	4.41% $11.4M	0.01% 120.0K shares	Q4 2023 Held for 1y 11m	$257.7M
C Chronos Wealth Management, LLC RIA/Wealth	William Wallace Chamberlain Managing Partner	4.00% $8.2M	0.01% 86.1K shares	Q4 2019 Held for 5y 11m	$204.0M
Windle Wealth, LLC RIA/Wealth	Donald Ray Windle CCO	3.87% $8.6M	0.01% 91.3K shares	Q4 2022 Held for 2y 11m	$223.5M
MEKETA INVESTMENT GROUP INC /ADV Fund of Funds	Peter Scott Woolley CEO	3.79% $1.2M	0.00% 12.2K shares	Q4 2024 Held for 11 months	$30.5M
A Aull & Monroe Investment Management Corp RIA/Wealth	Jamie Lynn Thuss President	3.77% $7.4M	0.01% 77.7K shares	≤ Q2 2013 Held for 12y 5m+	$195.3M
LIBERTY ONE INVESTMENT MANAGEMENT, LLC RIA/Wealth	Roch Richard Tranel CEO	3.66% $65.0M	0.06% 685.8K shares	Q4 2019 Held for 5y 11m	$1.8B
Carson Advisory Inc. RIA/Wealth	Robert Howard Carson President	3.60% $6.6M	0.01% 69.8K shares	Q4 2021 Held for 3y 11m	$183.8M
Soroban Capital Partners LLC Hedge Fund•Long/Short	Vito Tanzi CFO	3.31% $402.8M	0.39% 4.3M shares	Q1 2025 Held for 8 months	$12.2B
A Aventail Capital Group, LP Hedge Fund•Long/Short	John (Nmn) Lee COO	3.11% $65.3M	0.06% 688.8K shares	Q2 2024 Held for 1y 5m	$2.1B

Hedge Fund Spotlight

Discover hedge funds investing in SO

PANAGORA ASSET MANAGEMENT INC

Hedge Fund • Quant

Portfolio ManagerBryan David Belton

Portfolio Value: $24.8B
Positions: 1,146
Last Reported: Q3 2025

Sector Allocation

Position in Southern Company

Market Value: $595.9K
Shares Held: 6.3K
Portfolio Weight: 0.00%
Owned Since: 2013-Q2

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