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MARKETABLE SECURITIES (Tables)
6 Months Ended
Jun. 30, 2026
Cash and Cash Equivalents [Abstract]  
Marketable Securities
The following table summarizes the Company’s marketable securities:
Cost BasisGross Unrealized LossesGross Unrealized GainsFair Value
June 30, 2026
Current
Marketable debt securities(1)
$857,211 $(1,525)$— $855,686 
Marketable equity securities28,159 (5,507)— 22,652 
Total marketable securities $885,370 $(7,032)$— $878,338 
Non-current
Marketable debt securities(2)
$25,790 $(885)$— $24,905 
December 31, 2025
Current
Marketable debt securities(1)
$771,505 $— $4,827 $776,332 
Marketable equity securities28,159 (7,385)— 20,774 
Total marketable securities$799,664 $(7,385)$4,827 $797,106 
Non-current
Marketable debt securities(2)
$10,416 $(175)$— $10,241 
(1)     Marketable debt securities are comprised primarily of U.S. Treasury Bills and Government Agency Bonds.
(2)    Advances to the Donald Project JV.