PTLA Portola Pharmaceuticals, Inc.
NASDAQNo longer listed
PTLA was the NASDAQ ticker symbol of Portola Pharmaceuticals, 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.
PTLA at a glance
- Symbol
- PTLA
- Company / issuer
- Portola Pharmaceuticals, Inc.
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Aug 2018
PTLA ticker history
All listing names we have recorded under the symbol PTLA, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Portola Pharmaceuticals, 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 PTLA?
PTLA was the ticker symbol of Portola Pharmaceuticals, Inc on NASDAQ.
Is PTLA still trading?
No. PTLA 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 PTLA listed on?
PTLA was listed on NASDAQ.
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