MDR McDermott International, Inc.

NYSENo longer listedCommon stock

MDR was the NYSE ticker symbol of McDermott International, 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.

MDR at a glance

Symbol
MDR
Company / issuer
McDermott International, Inc.
Security type
Common stock
Last exchange
NYSE
Status
No longer listed
Seen in listing files
Apr 2015

MDR ticker history

All listing names we have recorded under the symbol MDR, from periodic snapshots of US exchange listing files.

NameSecurityFirst seenLast seen
McDermott International, Inc.Common StockApr 2015Apr 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 MDR?

MDR was the ticker symbol of McDermott International, Inc on NYSE.

Is MDR still trading?

No. MDR 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 MDR listed on?

MDR was listed on NYSE.

Nearby symbols

All symbols starting with M →