Golub Capital BDC announced that it originated $187.4 million in new middle-market investment commitments during the three months ended September 30, 2015. Approximately 78% of the new middle-market investment commitments were one stop loans, 21% were senior secured loans and 1% were equity securities. Of the new middle-market investment commitments, $179.6 million funded at close. In addition, during the three months ended September 30, 2015, Golub Capital BDC, Inc. invested $12.0 million in Senior Loan Fund LLC, an unconsolidated Delaware limited liability company ("SLF"), that invests in senior secured loans and is co-managed by Golub Capital BDC, Inc. and RGA Reinsurance Company.
Total investments at fair value are estimated to have decreased by approximately 2.6%, or $40.9 million, during the three months ended September 30, 2015 after factoring in debt repayments, sales of securities, net fundings on revolvers, and net change in unrealized gains (losses). Total investments at fair value held by SLF are estimated to have increased by approximately 24.3%, or $62.1 million, after factoring in debt repayments, sales of securities, net fundings on revolvers, and net change in unrealized gains (losses).
Golub Capital BDC, Inc. is an externally-managed, non-diversified closed-end management investment company that has elected to be treated as a business development company under the Investment Company Act of 1940. Golub Capital BDC invests primarily in senior secured, one stop, second lien and subordinated loans of middle-market companies that are often sponsored by private equity investors. Golub Capital BDC's investment activities are managed by its investment adviser, GC Advisors LLC, an affiliate of the Golub Capital group of companies ("Golub Capital").
Golub Capital is a nationally recognized credit asset manager with over $15 billion of capital under management. The firm has an award-winning middle market lending business. Golub Capital has four highly complementary business lines led by experienced teams of credit professionals: Middle Market Lending, Late Stage Lending, Broadly Syndicated Loans and Opportunistic Credit. Golub Capital's lending offices are located in Chicago, New York, San Francisco and Charlotte.