ATRI Atrion Corporation
NASDAQNo longer listedCommon stock
ATRI was the NASDAQ ticker symbol of Atrion Corporation. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
ATRI at a glance
- Symbol
- ATRI
- Company / issuer
- Atrion Corporation
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Jul 2024
- Sector
- Health Care
- Industry
- Medical/Dental Instruments
- Country
- United States
- Last reported market cap
- $806.7 million (Jul 2024)
ATRI ticker history
All listing names we have recorded under the symbol ATRI, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Atrion Corporation | Common Stock | Jan 2015 | Jul 2024 |
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 ATRI?
ATRI was the ticker symbol of Atrion Corporation on NASDAQ.
Is ATRI still trading?
No. ATRI does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Jul 2024.
Which exchange was ATRI listed on?
ATRI was listed on NASDAQ.
Nearby symbols
ATOM Atomera IncorporatedATOS Atossa Therapeutics, Inc.ATPC Agape ATP CorporationATR AptarGroup, Inc.ATRA Atara Biotherapeutics, Inc.ATRC AtriCure, Inc.ATRM ATRM Holdings, Inc.ATRO Astronics CorporationATROB Astronics CorpATRS Antares Pharma Inc.ATS ATS CorporationATSG Air Transport Services Group, Inc