QSII Quality Systems, Inc.
NASDAQNo longer listed
QSII was the NASDAQ ticker symbol of Quality Systems, 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.
QSII at a glance
- Symbol
- QSII
- Company / issuer
- Quality Systems, Inc.
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Aug 2018
QSII ticker history
All listing names we have recorded under the symbol QSII, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Quality Systems, Inc. | — | Jan 2015 | Aug 2018 |
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 QSII?
QSII was the ticker symbol of Quality Systems, Inc on NASDAQ.
Is QSII still trading?
No. QSII does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Aug 2018.
Which exchange was QSII listed on?
QSII was listed on NASDAQ.
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