QTM Quantum Corporation
QTM was the NYSE ticker symbol of Quantum 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. A company with the same name, Quantum Corporation, currently trades as QMCO.
QTM at a glance
- Symbol
- QTM
- Company / issuer
- Quantum Corporation
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015
QTM ticker history
All listing names we have recorded under the symbol QTM, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Quantum Corporation | 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.
Other symbols for Quantum Corporation
Frequently asked questions
What company has the ticker symbol QTM?
QTM was the ticker symbol of Quantum Corporation on NYSE.
Is QTM still trading?
No. QTM does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Apr 2015. The company now appears to trade as QMCO (Quantum Corporation).
Which exchange was QTM listed on?
QTM was listed on NYSE.