v3.26.1
NET LOSS PER SHARE OF COMMON STOCK (Tables)
 6 Months Ended
Jun. 30, 2026
Earnings Per Share [Abstract]  
Schedule of Basic and Diluted Net Loss Per Share Attributable to Common Stockholders
Basic and diluted net loss per share attributable to common stockholders are calculated as follows (amounts in thousands, except per share amounts):
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Numerator:
Net loss attributable to Energy Vault Holdings, Inc.$(29,692)$(34,927)$(62,177)$(56,063)
Less: accretion of redeemable non-controlling interest1,337 — 2,423 — 
Net loss attributable to common stockholders – basic(31,029)(34,927)(64,600)(56,063)
Less: Gain on change in fair value of OIC Warrant liability1,620 — 1,220 — 
Net loss attributable to common stockholders – diluted(32,649)(34,927)(65,820)(56,063)
Denominator:
Weighted-average shares outstanding – basic178,103 156,911 175,002 155,326 
Effect of dilutive securities:
OIC Warrants291 — 145 — 
Weighted-average shares outstanding – diluted178,394 156,911 175,147 155,326 
Net loss per share attributable to common stockholders – basic$(0.17)$(0.22)$(0.37)$(0.36)
Net loss per share attributable to common stockholders – diluted$(0.18)$(0.22)$(0.38)$(0.36)
Schedule of Common Share Equivalent Securities Excluded From Computation of Net Loss Per Share
The following outstanding balances of common share equivalent securities have been excluded from the calculation of diluted weighted-average common shares outstanding because the effect is anti-dilutive for the three and six months ended June 30, 2026 and 2025 (amounts in thousands):
Three and Six Months Ended June 30,
20262025
Warrants 8,167 5,167 
Stock options9,041 6,426 
RSUs19,949 24,199 
Senior Convertible Notes28,977 — 
Convertible Debentures21,773 — 
Total87,907 35,792