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ATAI LIFE SCIENCES NV (ATAI) Stock Ownership and Short Interest

USA - NASDAQ:ATAI - NL0015000DX5 - Common Stock

5.96 USD
-0.26 (-4.18%)
Last: 10/28/2025, 8:00:01 PM
5.9 USD
-0.06 (-1.01%)
Pre-Market: 10/29/2025, 9:11:50 AM
ATAI Ownership Chart.ATAI Ownership Chart: showing Insider, Institutional ownership and shares available to the public.ATAI Ownership.InsiderInstitutionalPublic



Shares Outstanding235.97M
Float216.81M
Float Short Interest Percentage7.44%
Owners (insider)2.66%
Owners (institutional)13.93%
Owners (insider) change0%
Owners (institutional) change-0.33%
ATAI Institutional Ownership HistoryATAI Institutional Ownership HistoryATAI Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 5M 10M 15M 20M 25M
ATAI Historical Insider Transactions ChartATAI Historical Insider Buy and Sell Transactions ChartATAI Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 5M 10M 15M 20M
Date Name Type Shares Price Amount
Sep 30, 2025 Apeiron Investment Group Ltd. Other Aquisition 2367200 $ 0.00
Sep 30, 2025 Angermayer Christian Other Aquisition 2367200 $ 0.00
Aug 14, 2025 Apeiron Investment Group Ltd. Open Market Purchase 8675799 2.19 $ 18,999,999.81
Aug 14, 2025 Angermayer Christian Open Market Purchase 8675799 2.19 $ 18,999,999.81
Mar 24, 2025 Apeiron Investment Group Ltd. Open Market Purchase 1800000 1.40 $ 2,520,000.00
Mar 24, 2025 Angermayer Christian Open Market Purchase 1800000 1.40 $ 2,520,000.00
Mar 21, 2025 Kirpekar Sahil Open Market Sale 48563 1.35 $ 65,560.05
Mar 21, 2025 Craig Kevin James Open Market Sale 11563 1.35 $ 15,610.05
Mar 21, 2025 Rao Srinivas Open Market Sale 75418 1.35 $ 101,814.30
Mar 21, 2025 Johnson Anne Nagengast Open Market Sale 33545 1.35 $ 45,285.75
Mar 21, 2025 Short Glenn Frank Open Market Sale 13161 1.35 $ 17,767.35
Mar 14, 2025 Craig Kevin James Option Excercise 20000 $ 0.00
Mar 14, 2025 Short Glenn Frank Option Excercise 32500 $ 0.00
Mar 14, 2025 Rao Srinivas Option Excercise 175000 $ 0.00
Mar 14, 2025 Kirpekar Sahil Option Excercise 100000 $ 0.00
Mar 14, 2025 Johnson Anne Nagengast Option Excercise 100000 $ 0.00
Feb 14, 2025 Apeiron Investment Group Ltd. Open Market Purchase 10835718 2.10 $ 22,755,007.80
Feb 14, 2025 Angermayer Christian Open Market Purchase 10835718 2.10 $ 22,755,007.80