AET Aetna Inc.
NYSENo longer listedCommon stock
AET was the NYSE ticker symbol of Aetna 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.
AET at a glance
- Symbol
- AET
- Company / issuer
- Aetna Inc.
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015
AET ticker history
All listing names we have recorded under the symbol AET, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Aetna Inc. | Common Stock | Apr 2015 | Apr 2015 |
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 AET?
AET was the ticker symbol of Aetna Inc on NYSE.
Is AET still trading?
No. AET does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Apr 2015.
Which exchange was AET listed on?
AET was listed on NYSE.
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