MAIN STREET CAPITAL CORP (MAIN) Institutional Ownership and Insiders Activity

MAIN STREET CAPITAL CORP (MAIN) is widely held by institutional investors, with 392 firms reporting positions valued at approximately $1.19B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Price T Rowe Associates Inc is the largest disclosed holder, reporting approximately $173.41M in MAIN holdings in its latest filing.

Recent insider activity includes 50 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.