Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Schedule of Basis and Diluted Net Loss Per Share Attributable to ATAI Stockholders

Basic and diluted net loss per share attributable to atai stockholders were calculated as follows (in thousands, except share and per share data):

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Numerator:
Net loss	$	(37,509	)	$	(53,373	)	$	(75,067	)	$	(49,329	)
Net loss attributable to redeemable    noncontrolling interests and noncontrolling    interests		(891	)		(4,912	)		(1,580	)		(1,556	)
Net loss attributable to ATAI Life Sciences    N.V. shareholders - basic and diluted	$	(36,618	)	$	(48,461	)	$	(73,487	)	$	(47,773	)
Denominator:
Weighted average common shares outstanding    attributable to ATAI Life Sciences N.V.    Stockholders - basic and diluted		153,971,202			132,265,075			153,751,456			125,797,732
Net loss per share attributable to ATAI Life    Sciences N.V. shareholders - basic and diluted	$	(0.24	)	$	(0.37	)	$	(0.48	)	$	(0.38	)

Schedule of Computation of Diluted net Income (Loss) Per Share Attributable to Common Shareholders

Potentially dilutive securities to the Company’s common shares:

	As of June 30,
	2022		2021
Options to purchase common stock		34,410,771		23,797,993
HSOP options to purchase common stock		7,046,496		7,281,376
2018 Convertible Promissory Notes - Related Parties (Note 10)		9,561,824		16,000,000
		51,019,091		47,079,369