LUK Leucadia National Corporation
LUK was the NYSE ticker symbol of Leucadia National Corporation. 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 “Leucadia National Corp” as a former name of Jefferies Financial Group Inc., which trades today as JEF.
LUK at a glance
- Symbol
- LUK
- Company / issuer
- Leucadia National Corporation
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015
LUK ticker history
All listing names we have recorded under the symbol LUK, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Leucadia National Corporation | Common Stock | 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 LUK?
LUK was the ticker symbol of Leucadia National Corporation on NYSE.
Is LUK still trading?
No. LUK 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 JEF (Jefferies Financial Group Inc.).
Which exchange was LUK listed on?
LUK was listed on NYSE.