Cosmo Feilding-Mellen, a director at $ATAI, sold 39,594 shares of the company on 01-02-2026 for an estimated $154,377. We received data on the trade from a recent SEC filing. This was a sale of approximately 0.5% of their shares of this class of stock. Following this trade, they now own 7,663,396 shares of this class of $ATAI stock.
$ATAI Insider Trading Activity
$ATAI insiders have traded $ATAI stock on the open market 2 times in the past 6 months. Of those trades, 1 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $ATAI stock by insiders over the last 6 months:
- INVESTMENT GROUP LTD. APEIRON purchased 8,675,799 shares for an estimated $18,999,999
- COSMO FEILDING-MELLEN sold 39,594 shares for an estimated $154,377
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$ATAI Hedge Fund Activity
We have seen 80 institutional investors add shares of $ATAI stock to their portfolio, and 28 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ALLY BRIDGE GROUP (NY) LLC added 2,287,005 shares (+inf%) to their portfolio in Q3 2025, for an estimated $12,098,256
- ARK INVESTMENT MANAGEMENT LLC added 2,019,551 shares (+inf%) to their portfolio in Q3 2025, for an estimated $10,683,424
- T. ROWE PRICE INVESTMENT MANAGEMENT, INC. added 1,939,951 shares (+inf%) to their portfolio in Q3 2025, for an estimated $10,262,340
- PALE FIRE CAPITAL SE removed 1,559,616 shares (-59.1%) from their portfolio in Q3 2025, for an estimated $8,250,368
- CITADEL ADVISORS LLC added 1,396,451 shares (+118.4%) to their portfolio in Q3 2025, for an estimated $7,387,225
- MORGAN STANLEY added 1,321,271 shares (+37.8%) to their portfolio in Q3 2025, for an estimated $6,989,523
- ADAR1 CAPITAL MANAGEMENT, LLC added 913,242 shares (+inf%) to their portfolio in Q3 2025, for an estimated $4,831,050
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$ATAI Analyst Ratings
Wall Street analysts have issued reports on $ATAI in the last several months. We have seen 4 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Canaccord Genuity issued a "Buy" rating on 10/22/2025
- Needham issued a "Buy" rating on 10/13/2025
- HC Wainwright & Co. issued a "Buy" rating on 09/23/2025
- Oppenheimer issued a "Outperform" rating on 07/29/2025
To track analyst ratings and price targets for $ATAI, check out Quiver Quantitative's $ATAI forecast page.
$ATAI Price Targets
Multiple analysts have issued price targets for $ATAI recently. We have seen 6 analysts offer price targets for $ATAI in the last 6 months, with a median target of $14.5.
Here are some recent targets:
- Justin Walsh from Jones Trading set a target price of $16.0 on 12/23/2025
- Sumant Kulkarni from Canaccord Genuity set a target price of $14.0 on 10/22/2025
- Ami Fadia from Needham set a target price of $12.0 on 10/13/2025
- Patrick R. Trucchio from HC Wainwright & Co. set a target price of $15.0 on 09/23/2025
- Jay Olson from Oppenheimer set a target price of $14.0 on 07/29/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.