Asset Manager

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Main Street Capital Corporation

Main Street Capital Corporation is a asset manager based in Houston, founded 2002, managing approximately $40M; the Altss profile covers its classification,...

Main Street Capital Corporation logo

Main Street Capital Corporation

Main Street Capital, located in Houston, TX, is a private debt and private equity firm that invests in lower and middle market private companies.

General information

Firm type

Generalist

Year founded

2002

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Houston

Corporate office

1300 Post Oak Blvd, 8th Floor, Houston, TX 77056, United States

Principals

Dwayne Hyzak

Chief Executive Officer

David Magdol

President and Chief Investment Officer

Jesse Morris

Executive Vice President and Chief Operating Officer

Jason Beauvais

Executive Vice President, General Counsel and Secretary

Sector focus

GeneralistPrivate CreditPrivate Equity

Frequently asked questions

Who runs investment decisions at Main Street Capital?

David Magdol is the President and Chief Investment Officer and has overseen investment operations since August 2011. He also serves on the firm’s executive and investment committees. In his role as a Senior Managing Director on the lower middle market team, he originates and executes new investments and sits on portfolio company boards. CEO Dwayne Hyzak and COO Jesse Morris also participate in investment committee decisions.

How does Main Street’s BDC structure affect its ability to hold investments?

Main Street operates as a business development company that went public in 2007. Unlike a traditional private equity fund, a BDC has permanent capital, so Main Street does not face a fixed fund life or pressure to sell portfolio companies on a preset schedule. The firm can hold equity positions indefinitely, making it structurally closer to a patient family-backed investor than to five-year fund managers.

Does Main Street participate in fund commitments or only direct deals?

Main Street makes direct investments — both debt and equity — into operating companies. It does not market itself as a fund-of-funds or a limited partner committing to third-party private equity funds. The firm’s lower middle market strategy involves originating, negotiating, and structuring proprietary one-stop financings directly with company owners and management teams.

How is Main Street different from a conventional mezzanine debt fund?

A conventional mezzanine fund typically supplies only subordinated or unsecured debt alongside a sponsor’s equity. Main Street provides the entire capital structure — first-lien secured debt plus common or preferred equity — in a single transaction. The firm also holds board seats and works with management on add-on acquisitions and capital raises, acting more like a control-equity partner than a passive lender.

What investment stages does Main Street Capital target?

Main Street focuses on later-stage and transitioning companies, not startups. The firm backs management buyouts, recapitalizations, acquisitions, and growth financings at businesses that already generate meaningful revenue — typically $10 million to $150 million in the lower middle market segment, and $25 million to $500 million in the private loan strategy. It does not pursue early-stage venture rounds.

What is MSC Income and how is it related to Main Street Capital?

MSC Income is an externally managed entity whose CEO and Chairman is Dwayne Hyzak. David Magdol serves as its President and CIO, with Jesse Morris as COO and Jason Beauvais as General Counsel. The firm shares Main Street’s executive leadership, but its investment mandate and portfolio are separate from the publicly traded BDC. Main Street’s website describes the arrangement as an additional pool of capital under common management.

Which sectors does Main Street Capital explicitly avoid?

Main Street does not publish a formal exclusion list on its website. Public filings for BDCs typically exclude industries such as banking, insurance, commodities speculation, and companies that derive revenue from gaming or certain regulated activities, but the firm’s marketing materials emphasize diverse industrial and service-sector investing rather than negative screens.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

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