RIOM Rio Alto Mining Limited
NYSENo longer listedCommon stock
RIOM was the NYSE ticker symbol of Rio Alto Mining Limited. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
RIOM at a glance
- Symbol
- RIOM
- Company / issuer
- Rio Alto Mining Limited
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015
RIOM ticker history
All listing names we have recorded under the symbol RIOM, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Rio Alto Mining Limited | Common Shares (Canada) | 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 RIOM?
RIOM was the ticker symbol of Rio Alto Mining Limited on NYSE.
Is RIOM still trading?
No. RIOM 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 RIOM listed on?
RIOM was listed on NYSE.