Main Street Capital (MAIN) Operating Margin: History & Chart

Main Street Capital Corporation(MAIN)

Asset Management · Houston, TX

$56.81+0.27 (+0.47%)

Delayed quote: Sep 16, 2026, 10:55 AM EDT

About Main Street Capital Corporation

Main Street Capital Corporation functions as a Business Development Company (BDC), providing diverse capital solutions across different market segments. Primarily, the firm supplies equity capital to lower middle market companies. These investments support various strategic objectives, including recapitalizations, management buyouts, refinancing, family estate planning, industry consolidation, and growth initiatives for both mature and later-stage emerging businesses. Main Street actively seeks to forge partnerships with entrepreneurs, business owners, and management teams, frequently offering comprehensive, "one-stop" financing alternatives for its lower middle market portfolio. Companies targeted for equity investment in this segment typically have annual revenues between $5 million and $300 million, with individual equity investments generally ranging from $2 million to $75 million, and an enterprise value for the target company usually falling between $3 million and $20 million. The firm is prepared to take stakes from a 5% minority position up to a 50% majority interest. In addition to its equity offerings, Main Street also extends debt capital to middle market companies. These funds are allocated to finance activities such as acquisitions, management buyouts, growth strategies, recapitalizations, and refinancing. Debt transactions in the middle market typically range from $5 million to $50 million per deal, targeting businesses with annual EBITDA between $1 million and $20 million. It is important to note that these middle market debt recipients are generally larger in scale than the companies within Main Street's lower middle market equity portfolio. The firm demonstrates a wide investment scope, engaging with numerous industries. These include, but are not limited to: air freight and logistics, auto components, building products, chemicals, commercial services, computing, construction and engineering, consumer finance and services, electronic equipment, energy (equipment, services, and consumables), financial services, healthcare (equipment and providers), hospitality, internet software and services, IT services, machinery, paper and forest products, professional and industrial services, road and rail transportation, software, specialty retail, and telecommunications. Broadly, this covers sectors within consumer discretionary, energy, materials, technology, and transportation. Main Street Capital Corporation was established in 2007, with its main operations based in Houston, Texas, and an additional office located in Chojnów, Poland.

Houston, TX

110 employees

www.mainstcapital.com

Financial Services / Asset Management

Sector: Financial Services
Industry: Asset Management
CEO: Dwayne Louis Hyzak

View full financials

MAIN Operating Margin Metrics

OPERATING MARGIN

80.71%

OPERATING MARGIN AVG TTM

65.73%

OPERATING MARGIN AVG 3Y

72.69%

OPERATING MARGIN AVG 5Y

72.63%

OPERATING MARGIN AVG 10Y

71.44%

OPERATING MARGIN AVG 15Y

69.51%

OPERATING MARGIN AVG 20Y

64.31%

CURRENT VS TTM AVG

+22.79%

CURRENT VS 3Y AVG

+11.04%

CURRENT VS 5Y AVG

+11.13%

CURRENT VS 10Y AVG

+12.97%

CURRENT VS 15Y AVG

+16.10%

CURRENT VS 20Y AVG

+25.50%

SECTOR MEDIAN · FINANCIAL SERVICES

23.64%

median of 103 covered companies

CURRENT VS SECTOR MEDIAN

+241.41%

vs the sector median at left

NAME	MARKET CAP	OPERATING MARGIN	TTM	3Y	5Y
Main Street Capital Corporation (MAIN)	$5.28B	80.71%	65.73%	72.69%	72.63%
Axos Financial, Inc. (AX)vs ›	$5.27B	29.52%	30.66%	32.85%	36.53%
RLI Corp. (RLI)vs ›	$5.61B	28.42%	25.84%	29.77%	27.90%
MarketAxess Holdings Inc. (MKTX)vs ›	$5.75B	40.51%	41.32%	42.64%	45.51%
Sezzle Inc. (SEZL)vs ›	$3.96B	40.39%	34.80%	15.22%	-7.78%
PIMCO Dynamic Income Fund (PDI)vs ›	$6.59B	78.88%	80.75%	90.27%	92.97%
iShares Core 80/20 Aggressive Allocation ETF (AOA)vs ›	$3.21B	N/A	N/A	N/A	N/A
TeraWulf Inc. (WULF)vs ›	$7.53B	-101.10%	-77.76%	-122.25%	-83.27%
Nuveen Quality Municipal Income Fund (NAD)vs ›	$2.50B	69.73%	170.78%	-122.92%	-51.58%
Kinsale Capital Group, Inc. (KNSL)vs ›	$8.28B	35.90%	33.14%	30.23%	28.61%

NAME

MARKET CAP

OPERATING MARGIN

TTM

Main Street Capital Corporation (MAIN)

$5.28B

80.71%

65.73%

72.69%

72.63%

Axos Financial, Inc. (AX)vs ›

$5.27B

29.52%

30.66%

32.85%

36.53%

RLI Corp. (RLI)vs ›

$5.61B

28.42%

25.84%

29.77%

27.90%

MarketAxess Holdings Inc. (MKTX)vs ›

$5.75B

40.51%

41.32%

42.64%

45.51%

Sezzle Inc. (SEZL)vs ›

$3.96B

40.39%

34.80%

15.22%

-7.78%

PIMCO Dynamic Income Fund (PDI)vs ›

$6.59B

78.88%

80.75%

90.27%

92.97%

iShares Core 80/20 Aggressive Allocation ETF (AOA)vs ›

$3.21B

N/A

TeraWulf Inc. (WULF)vs ›

$7.53B

-101.10%

-77.76%

-122.25%

-83.27%

Nuveen Quality Municipal Income Fund (NAD)vs ›

$2.50B

69.73%

170.78%

-122.92%

-51.58%

Kinsale Capital Group, Inc. (KNSL)vs ›

$8.28B

35.90%

33.14%

30.23%

28.61%

Operating Margin FAQ

What is the operating margin for Main Street Capital Corporation (MAIN)?

The operating margin for MAIN stock is 80.71%.

Is Main Street Capital Corporation's operating margin high or low?

The operating margin of 80.71% is 11% above its 5-year average of 72.63%, near the high end of its 5-year range (45.13%–80.81%).

What is the TTM average operating margin for Main Street Capital Corporation (MAIN)?

The TTM average operating margin for MAIN stock is 65.73%.

What is the 3Y average operating margin for Main Street Capital Corporation (MAIN)?

The 3Y average operating margin for MAIN stock is 72.69%.

What is the 5Y average operating margin for Main Street Capital Corporation (MAIN)?

The 5Y average operating margin for MAIN stock is 72.63%.

What is the 10Y average operating margin for Main Street Capital Corporation (MAIN)?

The 10Y average operating margin for MAIN stock is 71.44%.

What is the 15Y average operating margin for Main Street Capital Corporation (MAIN)?

The 15Y average operating margin for MAIN stock is 69.51%.

What is the 20Y average operating margin for Main Street Capital Corporation (MAIN)?

The 20Y average operating margin for MAIN stock is 64.31%.

DATE	OPERATING MARGIN
2026-06-30	62.71%
2026-03-31	54.58%
2025-12-31	67.29%
2025-09-30	72.61%
2025-06-30	71.46%
2025-03-31	72.33%
2024-12-31	77.36%
2024-09-30	73.38%
2024-06-30	71.72%
2024-03-31	73.86%
2023-12-31	77.94%
2023-09-30	72.79%
2023-06-30	73.34%
2023-03-31	69.06%
2022-12-31	74.73%
2022-09-30	61.50%
2022-06-30	45.13%
2022-03-31	72.12%
2021-12-31	77.15%
2021-09-30	77.79%
2021-06-30	80.81%
2021-03-31	71.57%
2020-12-31	77.77%
2020-09-30	78.76%
2020-06-30	63.40%
2020-03-31	112.30%
2019-12-31	40.63%
2019-09-30	58.30%
2019-06-30	65.55%
2019-03-31	66.52%
2018-12-31	40.20%
2018-09-30	78.18%
2018-06-30	72.16%
2018-03-31	63.86%
2017-12-31	80.77%
2017-09-30	68.71%
2017-06-30	71.87%
2017-03-31	77.03%
2016-12-31	74.31%
2016-09-30	71.69%
2016-06-30	68.36%
2016-03-31	49.26%
2015-12-31	28.05%
2015-09-30	54.09%
2015-06-30	72.46%
2015-03-31	70.96%
2014-12-31	61.24%
2014-09-30	54.83%
2014-06-30	73.53%
2014-03-31	72.02%
2013-12-31	63.26%
2013-09-30	79.53%
2013-06-30	72.48%
2013-03-31	80.09%
2012-12-31	81.71%
2012-09-30	67.62%
2012-06-30	61.54%
2012-03-31	42.17%
2011-12-31	34.40%
2011-09-30	60.64%
2011-06-30	59.61%
2011-03-31	55.27%
2010-12-31	53.86%
2010-09-30	52.83%
2010-06-30	54.31%
2010-03-31	45.40%
2009-12-31	635.74%
2009-09-30	58.31%
2009-06-30	55.20%
2009-03-31	58.91%
2008-12-31	-99.26%
2008-09-30	56.76%
2008-06-30	61.93%
2008-03-31	62.18%
2007-12-31	0.00%
2007-09-30	55.80%
2007-06-30	30.90%
2007-03-31	48.50%
2006-12-31	0.00%
2006-09-30	0.00%

DATE

OPERATING MARGIN

2026-06-30

62.71%

2026-03-31

54.58%

2025-12-31

67.29%

2025-09-30

72.61%

2025-06-30

71.46%

2025-03-31

72.33%

2024-12-31

77.36%

2024-09-30

73.38%

2024-06-30

71.72%

2024-03-31

73.86%

2023-12-31

77.94%

2023-09-30

72.79%

2023-06-30

73.34%

2023-03-31

69.06%

2022-12-31

74.73%

2022-09-30

61.50%

2022-06-30

45.13%

2022-03-31

72.12%

2021-12-31

77.15%

2021-09-30

77.79%

2021-06-30

80.81%

2021-03-31

71.57%

2020-12-31

77.77%

2020-09-30

78.76%

2020-06-30

63.40%

2020-03-31

112.30%

2019-12-31

40.63%

2019-09-30

58.30%

2019-06-30

65.55%

2019-03-31

66.52%

2018-12-31

40.20%

2018-09-30

78.18%

2018-06-30

72.16%

2018-03-31

63.86%

2017-12-31

80.77%

2017-09-30

68.71%

2017-06-30

71.87%

2017-03-31

77.03%

2016-12-31

74.31%

2016-09-30

71.69%

2016-06-30

68.36%

2016-03-31

49.26%

2015-12-31

28.05%

2015-09-30

54.09%

2015-06-30

72.46%

2015-03-31

70.96%

2014-12-31

61.24%

2014-09-30

54.83%

2014-06-30

73.53%

2014-03-31

72.02%

2013-12-31

63.26%

2013-09-30

79.53%

2013-06-30

72.48%

2013-03-31

80.09%

2012-12-31

81.71%

2012-09-30

67.62%

2012-06-30

61.54%

2012-03-31

42.17%

2011-12-31

34.40%

2011-09-30

60.64%

2011-06-30

59.61%

2011-03-31

55.27%

2010-12-31

53.86%

2010-09-30

52.83%

2010-06-30

54.31%

2010-03-31

45.40%

2009-12-31

635.74%

2009-09-30

58.31%

2009-06-30

55.20%

2009-03-31

58.91%

2008-12-31

-99.26%

2008-09-30

56.76%

2008-06-30

61.93%

2008-03-31

62.18%

2007-12-31

0.00%

2007-09-30

55.80%

2007-06-30

30.90%

2007-03-31

48.50%

2006-12-31

0.00%

2006-09-30

0.00%

Operating Margin: 80.71%

MAIN Operating Margin

MAIN Average Operating Margin Chart

MAIN Current vs Average Operating Margin Chart

MAIN Operating Margin Metrics

MAIN Competitors' Operating Margin

Operating Efficiency

Operating Margin Formula & Definition

Operating Margin FAQ

MAIN Operating Margin History

Related Metrics