As of September 30, 2018 BlackRock TCP Capital Corp.’s investment portfolio consisted of debt and equity positions in 95 portfolio companies with a total fair value of approximately $1.6 billion. Debt positions represented approximately 95% of the portfolio fair value, substantially all of which were senior secured debt. Equity positions represented approximately 54% of the investment portfolio.

As of September 30, 2018, the weighted average annual effective yield of our debt portfolio was approximately 11.7%.(1) As of September 30, 2018, approximately 92% of our debt portfolio at fair value had floating interest rates.

Investment by industry as of September 30, 2018

Investment by asset type as of September 30, 2018

(1) Weighted average annual effective yield includes amortization of deferred debt origination and end of term fees and accretion of original issue discount, but excludes market discount, any prepayment and make-whole fee income, and any debt investments that are distressed or on non-accrual status. Weighted average effective yield on the total portfolio (including debt investments that are distressed or on non-accrual status and equity investments) was 11.3% as of September 30, 2018.