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GBDC vs. MAIN
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility
Financials

Correlation

The correlation between GBDC and MAIN is 0.39, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.


Performance

GBDC vs. MAIN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Golub Capital BDC, Inc. (GBDC) and Main Street Capital Corporation (MAIN). The values are adjusted to include any dividend payments, if applicable.

200.00%400.00%600.00%800.00%1,000.00%1,200.00%December2025FebruaryMarchAprilMay
250.24%
977.26%
GBDC
MAIN

Key characteristics

Sharpe Ratio

GBDC:

-0.43

MAIN:

0.68

Sortino Ratio

GBDC:

-0.50

MAIN:

1.05

Omega Ratio

GBDC:

0.94

MAIN:

1.15

Calmar Ratio

GBDC:

-0.48

MAIN:

0.70

Martin Ratio

GBDC:

-1.07

MAIN:

2.49

Ulcer Index

GBDC:

7.60%

MAIN:

5.89%

Daily Std Dev

GBDC:

18.70%

MAIN:

21.47%

Max Drawdown

GBDC:

-48.15%

MAIN:

-64.53%

Current Drawdown

GBDC:

-9.69%

MAIN:

-14.15%

Fundamentals

Market Cap

GBDC:

$3.80B

MAIN:

$4.77B

EPS

GBDC:

$1.33

MAIN:

$5.85

PE Ratio

GBDC:

10.77

MAIN:

9.20

PEG Ratio

GBDC:

1.51

MAIN:

2.09

PS Ratio

GBDC:

4.81

MAIN:

8.69

PB Ratio

GBDC:

0.95

MAIN:

1.70

Total Revenue (TTM)

GBDC:

$725.56M

MAIN:

$465.50M

Gross Profit (TTM)

GBDC:

$725.56M

MAIN:

$436.33M

EBITDA (TTM)

GBDC:

$556.36M

MAIN:

$468.70M

Returns By Period

In the year-to-date period, GBDC achieves a -4.08% return, which is significantly higher than MAIN's -6.74% return. Over the past 10 years, GBDC has underperformed MAIN with an annualized return of 7.45%, while MAIN has yielded a comparatively higher 14.22% annualized return.


GBDC

YTD

-4.08%

1M

5.98%

6M

-2.75%

1Y

-7.78%

5Y*

16.30%

10Y*

7.45%

MAIN

YTD

-6.74%

1M

6.67%

6M

7.53%

1Y

13.39%

5Y*

23.88%

10Y*

14.22%

*Annualized

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Risk-Adjusted Performance

GBDC vs. MAIN — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

GBDC
The Risk-Adjusted Performance Rank of GBDC is 2424
Overall Rank
The Sharpe Ratio Rank of GBDC is 2727
Sharpe Ratio Rank
The Sortino Ratio Rank of GBDC is 2424
Sortino Ratio Rank
The Omega Ratio Rank of GBDC is 2424
Omega Ratio Rank
The Calmar Ratio Rank of GBDC is 2121
Calmar Ratio Rank
The Martin Ratio Rank of GBDC is 2525
Martin Ratio Rank

MAIN
The Risk-Adjusted Performance Rank of MAIN is 7373
Overall Rank
The Sharpe Ratio Rank of MAIN is 7676
Sharpe Ratio Rank
The Sortino Ratio Rank of MAIN is 6767
Sortino Ratio Rank
The Omega Ratio Rank of MAIN is 6868
Omega Ratio Rank
The Calmar Ratio Rank of MAIN is 7878
Calmar Ratio Rank
The Martin Ratio Rank of MAIN is 7676
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

GBDC vs. MAIN - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Golub Capital BDC, Inc. (GBDC) and Main Street Capital Corporation (MAIN). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.


The current GBDC Sharpe Ratio is -0.43, which is lower than the MAIN Sharpe Ratio of 0.68. The chart below compares the historical Sharpe Ratios of GBDC and MAIN, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio-1.000.001.002.003.004.00December2025FebruaryMarchAprilMay
-0.43
0.68
GBDC
MAIN

Dividends

GBDC vs. MAIN - Dividend Comparison

GBDC's dividend yield for the trailing twelve months is around 9.73%, more than MAIN's 7.32% yield.


TTM20242023202220212020201920182017201620152014
GBDC
Golub Capital BDC, Inc.
9.73%12.14%10.00%9.35%7.58%8.37%5.91%8.49%7.47%8.32%7.70%7.14%
MAIN
Main Street Capital Corporation
7.32%7.02%8.55%7.97%5.74%6.99%6.76%8.43%7.02%7.42%9.15%8.72%

Drawdowns

GBDC vs. MAIN - Drawdown Comparison

The maximum GBDC drawdown since its inception was -48.15%, smaller than the maximum MAIN drawdown of -64.53%. Use the drawdown chart below to compare losses from any high point for GBDC and MAIN. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-9.69%
-14.15%
GBDC
MAIN

Volatility

GBDC vs. MAIN - Volatility Comparison

Golub Capital BDC, Inc. (GBDC) and Main Street Capital Corporation (MAIN) have volatilities of 10.77% and 10.49%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


2.00%4.00%6.00%8.00%10.00%12.00%14.00%December2025FebruaryMarchAprilMay
10.77%
10.49%
GBDC
MAIN

Financials

GBDC vs. MAIN - Financials Comparison

This section allows you to compare key financial metrics between Golub Capital BDC, Inc. and Main Street Capital Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.


Quarterly
Annual

Total Revenue: Total amount of money received from sales and other business activities


50.00M100.00M150.00M200.00M20212022202320242025
211.10M
187.22M
(GBDC) Total Revenue
(MAIN) Total Revenue
Values in USD except per share items

GBDC vs. MAIN - Profitability Comparison

The chart below illustrates the profitability comparison between Golub Capital BDC, Inc. and Main Street Capital Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

Gross Margin
Operating Margin
Net Margin
Quarterly
Annual

80.0%85.0%90.0%95.0%100.0%20212022202320242025
100.0%
100.0%
(GBDC) Gross Margin
(MAIN) Gross Margin
GBDC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on May 2025, Golub Capital BDC, Inc. reported a gross profit of 211.10M and revenue of 211.10M. Therefore, the gross margin over that period was 100.0%.

MAIN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on May 2025, Main Street Capital Corporation reported a gross profit of 187.22M and revenue of 187.22M. Therefore, the gross margin over that period was 100.0%.

GBDC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on May 2025, Golub Capital BDC, Inc. reported an operating income of 205.74M and revenue of 211.10M, resulting in an operating margin of 97.5%.

MAIN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on May 2025, Main Street Capital Corporation reported an operating income of 171.15M and revenue of 187.22M, resulting in an operating margin of 91.4%.

GBDC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on May 2025, Golub Capital BDC, Inc. reported a net income of 98.66M and revenue of 211.10M, resulting in a net margin of 46.7%.

MAIN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on May 2025, Main Street Capital Corporation reported a net income of 174.24M and revenue of 187.22M, resulting in a net margin of 93.1%.