Main Street Capital Corporation filed its quarterly report on Form 10-Q with the U.S. Securities and Exchange Commission on August 7, 2026, covering the period ended June 30, 2026.

Key Highlights

  • Total net assets: $3,166,538 thousand as of June 30, 2026, up from $2,993,893 thousand as of December 31, 2025, according to the filing.
  • Net asset value per share: $33.92 as of June 30, 2026, compared with $33.33 as of December 31, 2025, as reported in the filing.
  • Net investment income: $90,324 thousand for the three months ended June 30, 2026, and $174,903 thousand for the six months ended June 30, 2026, per the filing.
  • Net increase in net assets from operations: $147,577 thousand for Q2 2026, or $1.58 per share (basic and diluted), as disclosed in the filing.
  • Total investments at fair value: $5,746,044 thousand as of June 30, 2026, versus $5,518,117 thousand as of December 31, 2025, per the consolidated balance sheet.
  • Shares outstanding: 93,508,461 shares of common stock as of August 6, 2026, as stated on the filing's cover page.
  • Total investment income: $149,572 thousand for the three months ended June 30, 2026, and $289,678 thousand for the six months ended June 30, 2026, according to the filing.

Main Street Capital Q2 2026: Investment Portfolio and Financial Results

Main Street Capital Corporation (New York Stock Exchange: MAIN) reported total assets of $5,941,041 thousand and total liabilities of $2,774,503 thousand as of June 30, 2026, according to the unaudited consolidated balance sheet included in the filing. The company's total investment portfolio had a cost basis of $4,974,649 thousand and was carried at a fair value of $5,746,044 thousand. Control investments accounted for $2,587,784 thousand of that fair value, affiliate investments for $1,005,158 thousand, and non-control/non-affiliate investments for $2,153,102 thousand.

For the three months ended June 30, 2026, the company disclosed total investment income of $149,572 thousand, compared with $143,973 thousand for the same period in 2025. Total expenses for Q2 2026 were $55,775 thousand. Net investment income before taxes was $93,797 thousand for the quarter. After excise tax expense of $659 thousand and federal and state income and other tax expenses of $2,814 thousand, net investment income was $90,324 thousand. The company also recorded total net realized gain of $32,828 thousand and total net unrealized appreciation of $32,220 thousand for the quarter, resulting in a net increase in net assets from operations of $147,577 thousand, or $1.58 per share.

For the six months ended June 30, 2026, net investment income was $174,903 thousand, and net increase in net assets from operations was $196,558 thousand, or $2.14 per share. The weighted-average shares outstanding on a basic and diluted basis were 93,253,619 for Q2 2026 and 91,961,399 for the first half of 2026. As of June 30, 2026, the company had credit facilities of $241,000 thousand outstanding, along with multiple series of notes and SBIC debentures on its balance sheet. The filing notes that shares issued and outstanding were 93,354,166 as of June 30, 2026.

What Was Disclosed

Main Street Capital Corporation disclosed unaudited consolidated financial statements for the quarter and six months ended June 30, 2026, including balance sheet data, income from its three investment categories, per-share results, and the composition of its debt and net assets.