Quarterly report [Sections 13 or 15(d)]

DEBT (Tables)

v3.26.3
DEBT (Tables)
9 Months Ended
Sep. 30, 2026
Debt Disclosure [Abstract]  
Schedule of Debt and Average Amount of Total Borrowings Outstanding and Weighted-Overall Average Effective Interest Rate
A summary of Main Street’s debt as of September 30, 2026 is as follows:
Outstanding
Balance
Net Unamortized Debt
Issuance Premiums
(Costs/Discounts) (1)
Recorded Value
Estimated
Fair Value (2)
(in thousands)
Corporate Facility $ 495,000  $ —  $ 495,000  $ 495,000 
SPV Facility 300,500  —  300,500  300,500 
March 2029 Notes
550,000  555  550,555  556,265 
June 2027 Notes
400,000  (215) 399,785  402,780 
August 2028 Notes
350,000  (1,431) 348,569  346,273 
SBIC debentures 350,000  (4,524) 345,476  306,346 
April 2031 Notes
150,000  (957) 149,043  144,806 
Total debt $ 2,595,500  $ (6,572) $ 2,588,928  $ 2,551,970 
___________________________
(1)The unamortized deferred financing costs for the Credit Facilities are reflected as Deferred financing costs on the Consolidated Balance Sheets. The net unamortized debt issuance costs/discounts related to the June 2027 Notes, August 2028 Notes, SBIC debentures and April 2031 Notes are reflected as contra-liabilities on the Consolidated Balance Sheets, while the net unamortized debt issuance premium related to the March 2029 Notes is reflected as an addition to the carrying value on the Consolidated Balance Sheets.
(2)Estimated fair value for outstanding debt is shown as if Main Street had adopted the fair value option under ASC 825, Financial Instruments (“ASC 825”). See discussion of the methods used to estimate the fair value of Main Street’s debt in Note B.12. — Summary of Significant Accounting Policies — Fair Value of Financial Instruments.
A summary of Main Street’s debt as of December 31, 2025 is as follows:
Outstanding
Balance
Net Unamortized
Debt Issuance
Costs/Discounts (1)
Recorded Value Estimated
Fair Value (2)
(in thousands)
Corporate Facility $ 432,000  $ —  $ 432,000  $ 432,000 
SPV Facility 86,000  —  86,000  86,000 
July 2026 Notes
500,000  (285) 499,715  496,150 
June 2027 Notes
400,000  (431) 399,569  408,764 
August 2028 Notes
350,000  (2,004) 347,996  352,293 
March 2029 Notes
350,000  (2,279) 347,721  365,649 
SBIC debentures 350,000  (5,407) 344,593  310,930 
Total debt $ 2,468,000  $ (10,406) $ 2,457,594  $ 2,451,786 
___________________________
(1)The unamortized deferred financing costs for the Credit Facilities are reflected as Deferred financing costs on the Consolidated Balance Sheets, while the net unamortized debt issuance costs/discounts related to the July 2026 Notes, June 2027 Notes, August 2028 Notes, March 2029 Notes and SBIC debentures are reflected as contra-liabilities on the Consolidated Balance Sheets.
(2)Estimated fair value for outstanding debt is shown as if Main Street had adopted the fair value option under ASC 825. See discussion of the methods used to estimate the fair value of Main Street’s debt in Note B.12. — Summary of Significant Accounting Policies — Fair Value of Financial Instruments.
A summary of Main Street’s weighted-average amount of total debt outstanding and overall weighted-average effective interest rate including amortization of debt issuance costs, original issuance discounts and premiums and fees on unused lender commitments for the three and nine months ended September 30, 2026 and 2025 is as follows:
Three Months Ended September 30,
Nine Months Ended September 30,
2026
2025
2026
2025
(dollars in millions)
Weighted-average debt outstanding $ 2,562.9  $ 2,242.1  $ 2,548.6  $ 2,208.9 
Weighted-average effective interest rate 6.1  % 5.8  % 5.7  % 5.8  %
Schedule of Interest Expense
A summary of Main Street’s interest expense for the three and nine months ended September 30, 2026 and 2025 is as follows:
Three Months Ended September 30,
Nine Months Ended September 30,
2026
2025
2026
2025
(in thousands)
Corporate Facility $ 6,795  $ 4,107  $ 14,761  $ 14,431 
SPV Facility 4,724  3,033  12,327  10,621 
March 2029 Notes
9,499  6,261  25,235  18,783 
June 2027 Notes
6,571  6,572  19,715  19,715 
August 2028 Notes
4,916  2,452  14,748  2,452 
SBIC debentures 3,159  3,166  9,384  9,452 
April 2031 Notes 2,652  —  5,063  — 
July 2026 Notes
605  3,882  8,368  11,645 
December 2025 Notes
—  2,999  —  9,060 
Total interest expense $ 38,921  $ 32,472  $ 109,601  $ 96,159 
Schedule of Condensed Balance Sheet and Statement of Operations of MSCC Funding
MSCC Funding’s balance sheets as of September 30, 2026 and December 31, 2025 are as follows:
Balance Sheets
(in thousands)
September 30, 2026 December 31, 2025
(Unaudited)
ASSETS
Investments at fair value (cost: $536,968 and $348,954, respectively)
$ 528,368  $ 344,093 
Cash and cash equivalents 9,181  6,375 
Interest and dividend receivable and other assets 3,177  2,149 
Deferred financing costs (net of accumulated amortization of $4,432 and $3,314, respectively)
5,966  7,084 
Total assets $ 546,692  $ 359,701 
LIABILITIES
SPV Facility $ 300,500  $ 86,000 
Accounts payable and other liabilities to affiliates —  42 
Interest payable 1,513  695 
Total liabilities 302,013  86,737 
NET ASSETS
Contributed capital 153,709  197,064 
Total undistributed earnings 90,970  75,900 
Total net assets 244,679  272,964 
Total liabilities and net assets $ 546,692  $ 359,701 
MSCC Funding’s statements of operations for the three and nine months ended September 30, 2026 and 2025 are as follows:
Statements of Operations
(in thousands)
(Unaudited)
Three Months Ended
September 30,
Nine Months Ended
September 30,
2026 2025 2026 2025
INVESTMENT INCOME:
Interest, dividend and fee income $ 14,587  $ 10,154  $ 39,774  $ 31,242 
EXPENSES:
Interest (4,724) (3,033) (12,327) (10,621)
Management fee to MSCC (697) (459) (1,848) (1,203)
General and administrative (24) (11) (66) (127)
Total expenses (5,445) (3,503) (14,241) (11,951)
NET INVESTMENT INCOME 9,142  6,651  25,533  19,291 
Total net realized loss —  (2,481) (6,725) (2,481)
Total net unrealized appreciation (depreciation) 741  2,226  (3,738) (64)
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS $ 9,883  $ 6,396  $ 15,070  $ 16,746