JV I and Glick JV. This compared to 76.4% of first lien loans, 10.1% of second lien loans and 7.5% of unsecured debt investments, including the debt investments in SLF JV I and Glick JV, as of September 30, 2023.
As of December 31, 2023, there were seven investments on non-accrual status, which represented 5.9% and 4.2% of the debt portfolio at cost and fair value, respectively. This is up from four investments on non-accrual status in the prior quarter, which represented 2.4% and 1.8% of the debt portfolio at cost and fair value, respectively.
SLF JV I
The Company’s investments in SLF JV I totaled $142.2 million at fair value as of December 31, 2023, up 0.5% from $141.5 million as of September 30, 2023. The increase was primarily driven by SLF JV I’s use of leverage and unrealized appreciation in the underlying investment portfolio.
As of December 31, 2023, SLF JV I had $372.8 million in assets, including senior secured loans to 52 portfolio companies. This compared to $376.1 million in assets, including senior secured loans to 48 portfolio companies, as of September 30, 2023. As of December 31, 2023, no investments held by SLF JV I were on non-accrual status. SLF JV I generated cash interest income of $3.6 million for the Company during the quarter ended December 31, 2023, up from $3.5 million in the prior quarter. In addition, SLF JV I generated dividend income of $1.4 million for the Company during the quarter ended December 31, 2023, up from $1.1 million in the prior quarter. As of December 31, 2023, SLF JV I had $121.0 million of undrawn capacity (subject to borrowing base and other limitations) on its $270 million senior revolving credit facility, and its debt to equity ratio was 1.1x.
Glick JV
The Company’s investments in Glick JV totaled $51.0 million at fair value as of December 31, 2023, up 1.9% from $50.0 million as of September 30, 2023. The increase was primarily driven by Glick JV I’s use of leverage and unrealized appreciation in the underlying investment portfolio.
As of December 31, 2023, Glick JV had $139.2 million in assets, including senior secured loans to 42 portfolio companies. This compared to $141.2 million in assets, including senior secured loans to 38 portfolio companies, as of September 30, 2023. As of December 31, 2023, no investments held by Glick JV were on non-accrual status. Glick JV generated cash interest income of $1.5 million during the quarter ended December 31, 2023, flat as compared to the prior quarter. As of December 31, 2023, Glick JV had $27.0 million of undrawn capacity (subject to borrowing base and other limitations) on its $80 million senior revolving credit facility, and its debt to equity ratio was 1.1x.
Liquidity and Capital Resources
As of December 31, 2023, the Company had total principal value of debt outstanding of $1,660.0 million, including $710.0 million of outstanding borrowings under its revolving credit facilities, $300.0 million of the 3.500% Notes due 2025, $350.0 million of the 2.700% Notes due 2027 and $300.0 million of the 7.100% Notes due 2029. The funding mix was composed of 43% secured and 57% unsecured borrowings as of December 31, 2023. The Company was in compliance with all financial covenants under its credit facilities as of December 31, 2023.
As of December 31, 2023, the Company had $112.4 million of unrestricted cash and cash equivalents and $907.5 million of undrawn capacity on its credit facilities (subject to borrowing base and other limitations). As of December 31, 2023, unfunded investment commitments were $226.6 million, or $199.5 million excluding unfunded commitments to the Company’s joint ventures. Of the $199.5 million, approximately $165.9 million could be drawn immediately with the remaining amount subject to certain milestones that must be met by portfolio companies. The Company has analyzed cash and cash equivalents, availability under its credit facilities, the ability to rotate out of certain assets and amounts of unfunded commitments that could be drawn and believes its liquidity and capital resources are sufficient to invest in market opportunities as they arise.
As of December 31, 2023, the weighted average interest rate on debt outstanding, including the effect of the interest rate swap agreements, was 7.0%, unchanged from the prior quarter.
The Company’s total debt to equity ratio was 1.10x as of each of December 31, 2023 and September 30, 2023. The Company’s net debt to equity ratio was 1.02x and 1.01x as of December 31, 2023 and September 30, 2023, respectively.
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