Mainstay Capital Management LLC Southern CO Transaction History

Mainstay Capital Management LLC

$940 Million
Q3 2025

A detailed history of Mainstay Capital Management LLC transactions in Southern CO stock. As of the latest transaction made, Mainstay Capital Management LLC holds 43,123 shares of SO stock, worth $3.91 Million. This represents 0.43% of its overall portfolio holdings.

Number of Shares

43,123

Previous 85,744 49.71%

Holding current value

$3.91 Million

Previous $7.87 Million 48.1%

% of portfolio

0.43%

Previous 0.4%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Dec 09, 2025	SELL	$90.83 - $96.0 $3.87 Million - $4.09 Million	-42,621 Reduced 49.71%	43,123 $4.09 Million
Q2 2025 Jul 24, 2025	BUY	$84.91 - $92.56 $3.79 Million - $4.13 Million	44,651 Added 108.66%	85,744 $7.87 Million
Q1 2025 May 05, 2025	SELL	$80.96 - $92.96 $10,039 - $11,527	-124 Reduced 0.3%	41,093 $3.78 Million
Q4 2024 Feb 04, 2025	BUY	$81.5 - $94.15 $41,891 - $48,393	514 Added 1.26%	41,217 $3.39 Million
Q3 2024 Oct 23, 2024	SELL	$77.0 - $90.52 $9,779 - $11,496	-127 Reduced 0.31%	40,703 $3.67 Million

Q2 2024 Jul 30, 2024	BUY	$67.77 - $80.71 $81,933 - $97,578	1,209 Added 3.05%	40,830 $3.17 Million
Q1 2024 Apr 30, 2024	BUY	$66.25 - $72.24 $107,921 - $117,678	1,629 Added 4.29%	39,621 $2.84 Million
Q4 2023 Jan 25, 2024	BUY	$62.71 - $73.08 $384,098 - $447,615	6,125 Added 19.22%	37,992 $2.66 Million
Q3 2023 Oct 26, 2023	BUY	$64.72 - $73.09 $105,493 - $119,136	1,630 Added 5.39%	31,867 $2.06 Million
Q2 2023 Jul 25, 2023	SELL	$68.97 - $75.66 $121,869 - $133,691	-1,767 Reduced 5.52%	30,237 $2.12 Million
Q1 2023 May 03, 2023	BUY	$62.32 - $72.5 $104,697 - $121,800	1,680 Added 5.54%	32,004 $2.23 Million
Q4 2022 Feb 14, 2023	BUY	$63.44 - $72.26 $96,936 - $110,413	1,528 Added 5.31%	30,324 $2.17 Million
Q3 2022 Nov 15, 2022	BUY	$68.0 - $80.16 $240,720 - $283,766	3,540 Added 14.02%	28,796 $1.96 Million
Q2 2022 Aug 05, 2022	BUY	$65.39 - $76.51 $7,585 - $8,875	116 Added 0.46%	25,256 $1.8 Million
Q1 2022 May 10, 2022	SELL	$62.84 - $72.51 $34,687 - $40,025	-552 Reduced 2.15%	25,140 $1.82 Million
Q4 2021 Feb 15, 2022	BUY	$61.1 - $68.58 $296,212 - $332,475	4,848 Added 23.26%	25,692 $1.76 Million
Q3 2021 Nov 12, 2021	SELL	$61.34 - $67.32 $236,956 - $260,057	-3,863 Reduced 15.64%	20,844 $1.29 Million
Q2 2021 Aug 06, 2021	BUY	$60.46 - $66.42 $11,668 - $12,819	193 Added 0.79%	24,707 $1.5 Million
Q1 2021 May 13, 2021	SELL	$56.72 - $62.32 $36,300 - $39,884	-640 Reduced 2.54%	24,514 $1.52 Million
Q4 2020 Mar 04, 2021	SELL	$54.62 - $64.17 $250,705 - $294,540	-4,590 Reduced 15.43%	25,154 $1.55 Million
Q3 2020 Nov 13, 2020	SELL	$51.56 - $55.78 $131,632 - $142,406	-2,553 Reduced 7.9%	29,744 $1.61 Million
Q2 2020 Jul 23, 2020	SELL	$50.14 - $60.33 $84,987 - $102,259	-1,695 Reduced 4.99%	32,297 $1.67 Million
Q1 2020 Apr 23, 2020	SELL	$43.23 - $70.85 $123,205 - $201,922	-2,850 Reduced 7.74%	33,992 $1.79 Million
Q4 2019 Jan 21, 2020	BUY	$60.33 - $63.86 $97,131 - $102,814	1,610 Added 4.57%	36,842 $2.35 Million
Q3 2019 Oct 16, 2019	BUY	$54.84 - $61.98 $67,727 - $76,545	1,235 Added 3.63%	35,232 $2.17 Million
Q2 2019 Aug 07, 2019	BUY	$51.2 - $56.28 $236,032 - $259,450	4,610 Added 15.69%	33,997 $1.88 Million
Q1 2019 Apr 23, 2019	SELL	$43.72 - $52.53 $130,285 - $156,539	-2,980 Reduced 9.21%	29,387 $1.52 Million
Q4 2018 Feb 08, 2019	SELL	$42.79 - $47.56 $146,341 - $162,655	-3,420 Reduced 9.56%	32,367 $1.39 Million
Q3 2018 Nov 13, 2018	SELL	$42.66 - $49.08 $91,207 - $104,933	-2,138 Reduced 5.64%	35,787 $1.56 Million
Q2 2018 Aug 24, 2018	SELL	$42.73 - $46.6 $35.2 Million - $38.4 Million	-823,866 Reduced 95.6%	37,925 $1.76 Million
Q2 2018 Aug 23, 2018	BUY	$42.73 - $46.6 $35.1 Million - $38.3 Million	821,434 Added 2035.42%	861,791 $19.1 Million
Q1 2018 May 10, 2018	SELL	$42.92 - $47.2 $69,916 - $76,888	-1,629 Reduced 3.88%	40,357 $1.8 Million
Q4 2017 Mar 28, 2018	BUY	$48.05 - $53.25 $2.02 Million - $2.24 Million	41,986	41,986 $2.02 Million

Others Institutions Holding SO

# of Institutions

2,536

Shares Held

783M

Call Options Held

4.68M

Put Options Held

3.59M

View Full List

About SOUTHERN CO

Ticker SO
Exchange NYSE
Sector Utilities
Industry Utilities—Regulated Electric
Shares Outstandng 1,088,669,952
Market Cap $98.6B
Description
The Southern Company, through its subsidiaries, engages in the generation, transmission, and distribution of electricity. It operates through Gas Distribution Operations, Gas Pipeline Investments, Wholesale Gas Services, and Gas Marketing Services segments. The company also develops, constructs, acquires, owns, and manages power generation asset...

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Mainstay Capital Management LLC Southern CO Transaction History