ATAI AtaiBeckley Inc.
ATAI was the NASDAQ ticker symbol of AtaiBeckley Inc. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
ATAI at a glance
- Symbol
- ATAI
- Company / issuer
- AtaiBeckley Inc.
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Sep 2026
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- Germany
- IPO year
- 2008
- Last reported market cap
- $2.7 billion (Aug 2026)
ATAI ticker history
All companies and securities we have recorded under the symbol ATAI, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| ATA Inc. | — | Jan 2015 | Aug 2018 |
| ATAI Life Sciences N.V. | Common Shares | Jun 2021 | Nov 2025 |
| Atai Beckley N.V | Common Shares | Nov 2025 | Jan 2026 |
| AtaiBeckley Inc. | Common Stock | Jan 2026 | Sep 2026 |
Snapshots have gaps (notably 2018–2021, and 2015–2021 for NYSE listings), so the actual delisting date may be later than the last-seen date.
Frequently asked questions
What company has the ticker symbol ATAI?
ATAI was the ticker symbol of AtaiBeckley Inc on NASDAQ.
Is ATAI still trading?
No. ATAI does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Sep 2026.
Which companies have used the ticker ATAI?
Our listing records show ATAI used by: ATA Inc.; ATAI Life Sciences N.V.; Atai Beckley N.V; AtaiBeckley Inc..
Which exchange was ATAI listed on?
ATAI was listed on NASDAQ.