STO Statoil ASA
STO was the NYSE ticker symbol of Statoil ASA. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol. SEC records list “Statoil ASA” as a former name of Equinor ASA, which trades today as EQNR, STOHF.
STO at a glance
- Symbol
- STO
- Company / issuer
- Statoil ASA
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015
STO ticker history
All listing names we have recorded under the symbol STO, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Statoil ASA | — | 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 STO?
STO was the ticker symbol of Statoil ASA on NYSE.
Is STO still trading?
No. STO 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 EQNR, STOHF (Equinor ASA).
Which exchange was STO listed on?
STO was listed on NYSE.