v3.26.3
Condensed Consolidated Schedule of Investments
$ in Thousands
Sep. 30, 2026
USD ($)
Schedule of Investments [Line Items]  
Estimated Fair Value $ 886,648 [1],[2]
Estimated Fair Value as a Percentage of Net Assets 73.20% [1],[2]
Derivative Instruments at Fair Value $ 3,396 [1],[2]
Derivative instruments percent of net assets 0.28% [1],[2]
Money Market Funds At Fair Value $ 332,597 [1],[2]
Money market funds percent of net assets 27.44% [1],[2]
Total Investments and Money Market Funds Fair Value $ 1,222,641 [1],[2]
Total, Investments and money market funds percent of net assets 100.88% [1],[2]
Energy and Environmental [Member]  
Schedule of Investments [Line Items]  
Estimated Fair Value as a Percentage of Net Assets 49.18%
Investment, Identifier [Axis]: Derivative Instruments Foreign currency forward contracts Valuation Level II  
Schedule of Investments [Line Items]  
Derivative Instruments at Fair Value $ 3,396 [1],[2]
Derivative instruments percent of net assets 0.28% [1],[2]
Investment, Identifier [Axis]: Money Market Funds JP Morgan US Government Capital Fund Geography North America Valuation Level I  
Schedule of Investments [Line Items]  
Money Market Funds At Fair Value $ 166,297 [1],[2]
Money market funds percent of net assets 13.72% [1],[2]
Investment, Identifier [Axis]: Money Market Funds Morgan Stanley Liquidity Government Institutional Fund Geography North America Valuation Level I  
Schedule of Investments [Line Items]  
Money Market Funds At Fair Value $ 166,300 [1],[2]
Money market funds percent of net assets 13.72% [1],[2]
Investment, Identifier [Axis]: Portfolio Companies Energy & Environmental Kelda Holdings Limited Asset Equity interest held through Glacier Lux Topco S.à r.l. Geography Europe Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 76,212 [1],[2]
Estimated Fair Value as a Percentage of Net Assets 6.29% [1],[2]
Investment, Identifier [Axis]: Portfolio Companies Energy & Environmental Other investments in portfolio companies Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 105,976 [1],[2],[3],[4]
Estimated Fair Value as a Percentage of Net Assets 8.74% [1],[2],[3],[4]
Investment, Identifier [Axis]: Portfolio Companies Energy & Environmental Reworld Waste Asset Equity interest held through Covert Aggregator, LP Geography North America Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 75,102 [1],[2]
Estimated Fair Value as a Percentage of Net Assets 6.20% [1],[2]
Investment, Identifier [Axis]: Portfolio Companies Energy & Environmental Scale Microgrids Asset Equity interest held through Stallion Aggregator LP Geography North America Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 129,997 [1],[2]
Estimated Fair Value as a Percentage of Net Assets 10.73% [1],[2]
Investment, Identifier [Axis]: Portfolio Companies Energy & Environmental Steel River Energy Center Asset Equity interest held through CCR Steel River Topco, LP Geography North America Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 106,741 [1],[2]
Estimated Fair Value as a Percentage of Net Assets 8.81% [1],[2]
Investment, Identifier [Axis]: Portfolio Companies Energy & Environmental Urbaser Asset Equity interest held through Gallardo Aggregator SCSP Geography Europe Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 101,966 [1],[2]
Estimated Fair Value as a Percentage of Net Assets 8.41% [1],[2]
Investment, Identifier [Axis]: Portfolio Companies Financial Other investment in portfolio company Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 25,000 [1],[2],[5]
Estimated Fair Value as a Percentage of Net Assets 2.06% [1],[2],[5]
Investment, Identifier [Axis]: Portfolio Companies Technology EdgeConneX Asset Equity interest held through EQT AI Deal Aggregator SCSP and McHerndon Aggregator SCS Geography North America Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 86,846 [1],[2]
Estimated Fair Value as a Percentage of Net Assets 7.17% [1],[2]
Investment, Identifier [Axis]: Portfolio Companies Technology Other investment in portfolio companies Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 124,374 [1],[2],[3],[6]
Investment, Identifier [Axis]: Portfolio Companies Technology Other investments in portfolio companies Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value as a Percentage of Net Assets 10.26% [1],[2],[3],[6]
Investment, Identifier [Axis]: Portfolio Companies Transportation & Logistics Other investment in portfolio company Valuation Level III  
Schedule of Investments [Line Items]  
Estimated Fair Value $ 54,434 [1],[2],[3],[7]
Estimated Fair Value as a Percentage of Net Assets 4.49% [1],[2],[3],[7]
[1] The fair value is domiciled across North America 51.50% and Europe 21.66%.
[2] The portfolio's cost is domiciled across North America $512,795 and Europe $255,003.
[3] There were no single investments included in this category that exceeded 5% of net assets.
[4] 2.47% of fair value shown is domiciled in Europe, 6.27% in North America.
[5] 2.06% of fair value shown is domiciled in North America.
[6] 10.26% of fair value shown is domiciled in North America.
[7] 4.49% of fair value shown is domiciled in Europe.