v3.25.2
Cash and Cash Equivalents, Restricted Cash and Investments
6 Months Ended
Jun. 30, 2025
Cash, Cash Equivalents, and Short-Term Investments [Abstract]  
Cash and Cash Equivalents, Restricted Cash and Investments Cash and Cash Equivalents, Restricted Cash and Investments
The fair value of cash and cash equivalents, restricted cash and investments held are as follows:  
 As of June 30, 2025
 Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
 (in thousands)
Cash and cash equivalents$21,364 $— $— $21,364 
Restricted cash29,000 — — 29,000 
Total cash and cash equivalents and restricted cash$50,364 $— $— $50,364 
Securities maturing within one year:    
U.S. treasury securities94,853 (12)94,846 
Corporate debt securities22,804 (11)22,797 
Total short-term investments$117,657 $$(23)$117,643 
Total cash and cash equivalents, restricted cash and short-term investments$168,021 $$(23)$168,007 
 As of December 31, 2024
 Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
  (in thousands) 
Cash and cash equivalents$66,656 $— $— $66,656 
Restricted cash— — — — 
Total cash and cash equivalents and restricted cash$66,656 $— $— $66,656 
Securities maturing within one year:    
U.S. treasury securities127,884 106 — 127,990 
Corporate debt securities43,299 30 (18)43,311 
Total short-term investments$171,183 $136 $(18)$171,301 
Total cash and cash equivalents, restricted cash and short-term investments$237,839 $136 $(18)$237,957 

As of June 30, 2025 and December 31, 2024, Lexicon’s investments in an unrealized loss position had an estimated fair value of $76.4 million and $12.9 million, respectively. There were no realized gains or losses during either of the six month periods ended June 30, 2025 and 2024.