ATAI Life Sciences N.V. (ATAI) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: November 12, 2025

Risk Assessment Details

Potential Dilution: 8.02% of current shares
Recent Dilution: 109.4% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
360M
Potential Supply
29M
Additional shares possible
Splits
None
Past 2 years

Summary

ATAI currently has 363M outstanding shares. with limited dilution risk as only 29.1M additional shares (8.0%) are authorized for issuance. The company has significantly diluted shareholders by 109.4% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Nov 12, 2025

10-Q filing | 363.2M shares outstanding

360M 29M
Nov 05, 2025

8-K filing: Atai Beckley N.V. filed a prospectus supplement covering the resale of up to 5,316,238 common shares by certain selling securityholders to satisfy registration rights granted in connection with the acquisition of Beckley Psytech Limited.

200M 29M
Oct 21, 2025

8-K filing: The Company announced the closing of a public offering of 27,283,750 common shares at a price of $5.48 per share.

200M 29M
Aug 14, 2025

10-Q filing | 196.6M shares outstanding

200M 29M
Jul 01, 2025

8-K filing: atai Life Sciences N.V. entered into subscription agreements for a PIPE Financing involving the sale of 18,264,840 ordinary shares and a pre-funded warrant to purchase 4,566,210 common shares at $2.19 per share, resulting in gross proceeds of approximately $50 million. ($50.0M proceeds)

200M 29M
Jun 02, 2025

8-K filing: atai Life Sciences N.V. entered into a share purchase agreement to acquire Beckley Psytech Limited by issuing 105,044,902 ordinary shares and concurrently entered into subscription agreements for a PIPE Financing involving the sale of 9,993,341 common shares and a pre-funded warrant to purchase 6,311,006 common shares, resulting in gross proceeds of approximately $30 million. ($30.0M proceeds)

200M 29M
May 14, 2025

10-Q filing | 200.3M shares outstanding

200M 29M
Mar 17, 2025

10-K filing | 198.3M shares outstanding

200M 29M
Feb 13, 2025

8-K filing: atai Life Sciences N.V. entered into an underwriting agreement for a public offering of 26,190,477 common shares at $2.10 per share, with an option for the underwriter to purchase an additional 3,928,571 shares. ($55.0M proceeds)

160M 29M
Nov 13, 2024

10-Q filing | 160.6M shares outstanding

160M 29M
Aug 13, 2024

10-Q filing | 160.4M shares outstanding

160M 29M
May 15, 2024

10-Q filing | 158.9M shares outstanding

160M 29M
Mar 28, 2024

10-K filing | 158.8M shares outstanding

160M 29M
Jan 23, 2024

8-K filing: atai Life Sciences N.V. acquired 24,096,385 newly issued series C preferred shares of Beckley Psytech Limited for $39,999,999.10 and an additional 11,153,246 shares for $10,000,000.37. ($50.0M proceeds)

160M 29M
Jan 09, 2024

8-K filing: atai Life Sciences N.V. entered into a Termination and New Consultancy Agreement with ATAI Life Sciences AG and Christian Angermayer, granting Mr. Angermayer an option to purchase 1,658,094 shares of the Company that vests over four years.

160M 29M
Jan 04, 2024

8-K filing: atai Life Sciences N.V. acquired 24,096,385 newly issued series C preferred shares of Beckley Psytech Limited for $39,999,999.10 and will acquire 11,153,246 shares for $10,000,000.40 in a secondary sale. ($50.0M proceeds)

160M 29M
Nov 14, 2023

10-Q filing | 155.8M shares outstanding

160M 29M
Aug 10, 2023

10-Q filing | 155.8M shares outstanding

160M 29M
May 11, 2023

10-Q filing | 155.8M shares outstanding

160M 29M
Mar 24, 2023

10-K filing | 155.7M shares outstanding

160M 29M
Nov 10, 2022

10-Q filing | 156.6M shares outstanding

160M 29M
Aug 15, 2022

10-Q filing | 154.0M shares outstanding

150M 29M
Jul 01, 2022

S-3 filing: ATAI Life Sciences N.V. files an S-3 form to offer and sell up to $300,000,000 in the aggregate of common shares and debt securities from time to time in one or more offerings.

150M 29M
May 16, 2022

10-Q filing | 153.5M shares outstanding

150M 29M
Mar 30, 2022

10-K filing | 160.7M shares outstanding

160M 29M
Nov 15, 2021

10-Q filing | 160.3M shares outstanding

160M 29M
Jun 15, 2021

S-1/A filing: This S-1/A filing describes an offering of 14,286,000 common shares with an option for underwriters to purchase an additional 2,142,900 common shares, with an estimated $178 million in net proceeds based on an assumed IPO price of $14.00 per share.

150M 29M
Jun 11, 2021

S-1/A filing: This is an S-1/A filing. It discusses the issuance of common shares and includes information related to a lock-up agreement and potential conversion of shares in connection with a public offering or reorganization.

110M 0
Jun 08, 2021

S-1/A filing: This is an S-1/A filing for an initial public offering of common shares by ATAI Life Sciences B.V., which will be converted into ATAI Life Sciences N.V. prior to closing. The company has granted underwriters an option to purchase additional shares. The net proceeds will be used as set forth in the 'Use of Proceeds' section.

110M 0
Jun 04, 2021

S-1/A filing: This S-1/A filing details the terms of an agreement where the company will issue shares of common stock to the founder upon the achievement of certain milestones related to intellectual property development.

N/A 0
Apr 20, 2021

S-1 filing: The filing relates to the issuance of common shares in connection with various investments and agreements, including COMPASS investment, conversion of convertible promissory notes, and stock purchase agreements. It also discusses stock options, warrants, and rights related to the company's common stock.

N/A 0
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