Main Street Capital Corporation (NYSE: MAIN) released preliminary estimates for its first quarter 2026 operating results, according to a company statement.

The Houston-based investment firm estimates net investment income of $0.91 to $0.95 per share for the quarter. Distributable net investment income is projected at $0.98 to $1.02 per share, while distributable net investment income before taxes is estimated at $1.02 to $1.06 per share.

Net asset value per share as of March 31, 2026 is estimated at $33.42 to $33.50, representing an increase of $0.09 to $0.17 per share from the December 31, 2025 NAV of $33.33. This increase occurred after accounting for a supplemental dividend of $0.30 per share paid in March 2026.

The company estimates it generated an annualized return on equity of approximately 6% for the first quarter. Investments on non-accrual status comprised an estimated 1.2% of the total investment portfolio at fair value and 4.0% at cost as of March 31, 2026.

Investment activity during the quarter included $205.9 million in total lower middle market portfolio investments, resulting in a net increase of $157.1 million in cost basis after repayments and other adjustments. Private loan portfolio investments totaled $149.1 million, with a net increase of $36.6 million in cost basis.

"We are pleased with our performance in the first quarter, which resulted in distributable net investment income before taxes that was in line with our expectations," said CEO Dwayne L. Hyzak.

Main Street plans to release complete first quarter 2026 results on May 7, 2026, followed by a conference call on May 8, 2026.