v3.26.1
Statements of Changes in Net Assets - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Increase (decrease) in net assets resulting from operations        
Net investment loss $ (1,339) $ (1,888) $ (2,805) $ (3,748)
Net realized gain (loss) 33,368 22,303 11,600 47,304
Net change in unrealized appreciation (depreciation) (360,422) 940,462 (1,105,844) 464,101
Net increase (decrease) in net assets resulting from operations (328,393) 960,877 (1,097,049) 507,657
Increase (decrease) in net assets from capital share transactions        
Creations for Shares issued 181,959 608,565 755,278 1,299,155
Redemptions for Shares redeemed (277,024) (444,454) (899,667) (1,311,197)
Net increase (decrease) in net assets resulting from capital share transactions (95,065) 164,111 (144,389) (12,042)
Total increase (decrease) in net assets from operations and capital share transactions (423,458) 1,124,988 (1,241,438) 495,615
Net assets        
Beginning of period 2,549,070 3,132,666 3,367,050 3,762,039
End of period $ 2,125,612 $ 4,257,654 $ 2,125,612 $ 4,257,654
Increase (Decrease) in Partners' Capital [Roll Forward]        
Shares issued 4,450 11,480 17,670 24,200
Shares redeemed (6,980) (8,660) (21,760) (25,540)
Net increase (decrease) in Shares issued and outstanding (2,530) 2,820 (4,090) (1,340)