MNK Mallinckrodt plc
NYSE AmericanNo longer listedOrdinary shares
MNK was the NYSE American ticker symbol of Mallinckrodt plc (ordinary shares). It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
MNK at a glance
- Symbol
- MNK
- Company / issuer
- Mallinckrodt plc
- Security type
- Ordinary shares
- Last exchange
- NYSE American
- Status
- No longer listed
- Seen in listing files
- Apr 2015 – Jul 2023
- Sector
- Health Care
- Industry
- Pharmaceuticals and Biotechnology
- IPO year
- 2022
- Last reported market cap
- $14.2 million (Jul 2023)
MNK ticker history
All listing names we have recorded under the symbol MNK, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Mallinckrodt plc | Ordinary Shares | Apr 2015 | Jul 2023 |
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 MNK?
MNK was the ticker symbol of Mallinckrodt plc on NYSE American.
Is MNK still trading?
No. MNK does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Jul 2023.
Which exchange was MNK listed on?
MNK was listed on NYSE American.
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